CN101674606A - Data transmission method and device - Google Patents
Data transmission method and device Download PDFInfo
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- CN101674606A CN101674606A CN200910190747A CN200910190747A CN101674606A CN 101674606 A CN101674606 A CN 101674606A CN 200910190747 A CN200910190747 A CN 200910190747A CN 200910190747 A CN200910190747 A CN 200910190747A CN 101674606 A CN101674606 A CN 101674606A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/18—Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
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Abstract
The embodiment of the invention provides a data transmission method and a device, wherein, the data transmission method comprises the following steps: obtaining field information of a data message after conversion; matching the obtained field information with the recorded rules; determining a carrier which corresponds to the data message according to the recorded rules if the matching is successful; and carrying out transmission on the data message through the determined carrier. The adoption of the data transmission method and the device provided by the embodiment of the invention can lead amobile terminal to match the received data message onto the proper carrier for carrying out the transmission, thereby meeting the transmission needs.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of data transmission method and device.
Background technology
Portable terminal (Mobile Station, MS) carrying out in the process of data interaction with external network (as: Internet), what portable terminal carried out is professional different, its QoS that needs also may be different, and then the carrying of transmitting this business is also possible different, as: visit Internet browses generic web page needs lower QoS grade; Carry out video conference, then need bigger bandwidth and less delay, therefore need higher QoS grade or the like.
If portable terminal self is professional initiator, as at GPRS (GeneralPacket Radio Service, GPRS) in the network, portable terminal is at a packet data protocol (PacketData Protocol, PDP) context Context obtains the IP address of this terminal in network in activating, also obtained with this PDP Context simultaneously and activated corresponding default quality of service (Quality ofService, QoS) parameter, and then set up the carrying corresponding with this qos parameter, utilize this to carry and transmit corresponding data message (for example generic web page browse data message).
When default qos parameter can not satisfy the QoS needs of current business, portable terminal or network side activate by secondary PDPContext, a newly-built (GatewayGPRS Support Node from the portable terminal to the GGSN, GGSN) end-to-end carrying, transmit the data message of current business, with the needs of the QoS that satisfies current business.
This method exists in other the network too, as the SAE network, different is, in the SAE network, when default qos parameter can not satisfy the QoS needs of current business, portable terminal or network side are to come the end-to-end carrying of newly-built portable terminal to packet data gateway (Packet DataNetwork, PDN GW) by the process of setting up dedicated bearing.
When two or more subscriber equipmenies are linked into network by portable terminal, as: at a mobile virtual private network (Virtual Private Network, VPN) during networking is used, portable terminal is as the public access device of small-sized branching networks, the radio bearer of mobile branching networks visit main office network or Internet is provided, the portable terminal here may the be built-in router or the server of mobile data card, simultaneously again with each subscriber equipmenies of branching networks by wireless or wired connection.Business that each subscriber equipment carried out may be different, therefore should the desired QoS of business also may be different, the end-to-end carrying that therefore is used for transmitting this business also needs difference.
But, the source IP address of the customer equipment data message that portable terminal is transmitted not is the IP address of portable terminal, therefore may occur the identical phenomenon of source port occurring in the data flow of a plurality of different source IP addresss, transmit so portable terminal may match the data message that receives in the carrying of a mistake.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of method and device of transfer of data, changes by the data message to subscriber equipment, has realized that portable terminal can match the data message that receives in the fashionable carrying to transmit.
A kind of data transmission method comprises:
Obtain the field information of the data message after the conversion;
Rule according to field information that obtains and record is mated;
If the match is successful, then determine and the corresponding carrying of described data message according to the rule of described record;
Described data message is transmitted by described definite carrying.
A kind of method of transfer of data comprises:
The data message that mobile terminal receive sends;
Know when described data message transmits by first carrying, determine whether to exist the end-to-end carrying corresponding with described data message;
If there is no, then make up the Business Stream information of described data message and the corresponding relation of QoS, and send to described portable terminal, comprise IP filter in the wherein said Business Stream information according to the field information generation of described data message;
The end-to-end carrying of the qos requirement of described data message is satisfied in foundation.
A kind of network address port conversion equipment comprises
Receiving element is used to receive the data message that subscriber equipment sends;
Converting unit, the source port number that is used for data message that receiving element is received is converted to the port numbers that regenerates;
Transmitting element is used for the data message after the conversion is sent to portable terminal.
A kind of portable terminal comprises:
First acquiring unit is used to obtain the field information of the data message after the conversion;
Matching unit is used for the described field information that acquiring unit is obtained and the rule of record and mates;
Determining unit is used for when the match is successful, determines and the corresponding carrying of described data message according to the rule of described record;
Transmission unit is used for the carrying that described data message is determined by described determining unit is transmitted.
A kind of network equipment comprises:
Receiving element is used for the data message that mobile terminal receive sends;
Determining unit when being used for determining that described data message that described receiving element receives transmits by first carrying, determines whether to exist the end-to-end carrying corresponding with described data message;
Construction unit, if when being used for described determining unit and determining there be not the end-to-end carrying corresponding with described data message, make up the Business Stream information of described data message and the corresponding relation of QoS, and send to described portable terminal, comprise IP filter in the wherein said Business Stream information according to the field information generation of described data message;
The unit is set up in carrying, is used to set up the end-to-end carrying of the qos requirement that satisfies described data message.
The embodiment of the invention is by changing the customer equipment data message, portable terminal obtains the field information of the data message after the conversion, and mate according to the rule of this field information and record, if rule match success with this record, then determine the end-to-end carrying of this data message of transmission according to this rule, this data message is transmitted by the carrying of determining, even having realized portable terminal is not professional promoter, also can select suitable end-to-end carrying, satisfy the needs of transfer of data for the data message of this Business Stream.Further, the source port number of data converted message be regenerate and be well-determined, so can be unique determine a Business Stream according to the source port number after this conversion, for realizing that field information according to the data message after the conversion mates the end-to-end carrying of transmitting this data message condition is provided.
Description of drawings
Fig. 1 is first schematic diagram of a kind of data transmission method of the embodiment of the invention;
Fig. 2 is second schematic diagram of a kind of data transmission method of the embodiment of the invention;
Fig. 3 is the 3rd schematic diagram of a kind of data transmission method of the embodiment of the invention;
Fig. 4 is the 4th schematic diagram of a kind of data transmission method of the embodiment of the invention;
Fig. 5 is the schematic diagram of a kind of network address port conversion equipment of the embodiment of the invention;
Fig. 6 is the schematic diagram of a kind of portable terminal of the embodiment of the invention;
Fig. 7 is the schematic diagram of a kind of network equipment of the embodiment of the invention.
Embodiment
, be described in detail data transmission method and device that the embodiment of the invention provided below in conjunction with accompanying drawing.
In one embodiment of the invention, between portable terminal and each subscriber equipment, connect network address port conversion (Network Address and Port Translation, a NAPT) equipment; In another one embodiment of the present invention, on portable terminal, realize the network address port translation function.
In another one embodiment of the present invention, the data message of subscriber equipment is by NAPT equipment or after having the portable terminal of NAPT translation function, the source IP address of the data message of this subscriber equipment is converted to the IP address of portable terminal, and source port number is converted to the source port number that regenerates.
In another one embodiment of the present invention, need on the network equipment, to be configured in advance, comprising:
Dispose corresponding qos parameter for various type of service as required, typical type of service can comprise generic web page browse service, file transfer protocol (FTP) (File Transfer Protocol, FTP) professional, RTP (Realtime Transpoet Protocol, network transfer delay etc. when RTP) audio frequency and video business etc., qos parameter comprise the professional required network bandwidth, operation; Wherein, dispose, also can be provided with or the like according to the requirement of operator for the different corresponding qos parameters of type of service configuration can rule of thumb be worth.Wherein this network equipment can be GGSN in GPRS network, can be PDNGW etc. in the SAE network.
With reference to accompanying drawing 1, another one embodiment of the present invention provides a kind of data transmission method, comprising:
101, portable terminal obtains the field information of the data message after the conversion;
Wherein, this data message can be the uplink data messages that subscriber equipment sends.
Data message after the conversion that portable terminal reception NAPT equipment sends, wherein this NAPT equipment is changed data message, comprising:
NAPT equipment receives the customer equipment data message, and the source port number of this customer equipment data message is converted to the source port number that regenerates, and further, NAPT equipment can be converted to the source IP address of customer equipment data message the IP address of portable terminal.
If the function of NAPT realizes that on portable terminal then portable terminal receives the data message that subscriber equipment sends, and changes according to above-mentioned rule.
The field information that portable terminal obtains the data message after the conversion comprises:
Portable terminal obtains the five-tuple information of the data message after the conversion, and wherein five-tuple information can comprise: source IP address, purpose IP address, protocol type (the agreement Protocal fields of 8 bits), source port number and destination slogan etc.
Portable terminal can obtain the IP heading and transmission control protocol (the Transmission Control Protocol of the data message after the conversion, TCP)/User Datagram Protoco (UDP) (User DatagramProtocol, UDP) head can obtain the five-tuple information of this data message from this IP heading and TCP/UDP head.
103, described portable terminal mates according to the field information that obtains and the rule of record;
Wherein, the rule of mobile terminal records can be the corresponding relation of Business Stream information and corresponding end-to-end carrying, comprising:
Portable terminal obtains the corresponding relation of the QoS of Business Stream information and this Business Stream information correspondence from the network equipment when carrying out the secondary context activation, and sets up corresponding end-to-end carrying according to this QoS.
On portable terminal, satisfy carrying and pairing Business Stream information of this data message such as Business Stream masterplate (the Traffic Flow Template of data message QoS, TFT) be associated together, so get access to the corresponding relation of Business Stream information and QoS, and set up the carrying of correspondence according to this QoS after, promptly set up the corresponding relation of the end-to-end carrying of Business Stream information and correspondence.Therefore can find the end-to-end carrying of this data message of transmission according to TFT information, and comprise one or more IP filters PacketFilter among a TFT, after any one the Packet Filter coupling among data message and certain TFT, just can determine that this data message need transmit in the carrying related with this TFT.
In the embodiment of the invention, Packet Filter be by through NAPT equipment or the field information of the data message of the corresponding Business Stream after having the portable terminal conversion of NAPT function generate.
If 105 the match is successful, then determine and the corresponding end-to-end carrying of described data message according to the rule of described record;
Wherein, the match is successful is meant that the Business Stream information of the field information of the data message that gets access to such as five-tuple field value and record such as each attribute of the correspondence among the Packet Filter among the TFT are identical respectively, and the field information of the data message that perhaps gets access to such as I five-tuple field value belong to respectively in each attribute span of correspondence among the Packet Filter.
The five-tuple information of the data message that for example obtains comprises: protocol type is 6 (being TCP), and source port number is 1000, the destination slogan be 1200 and purpose IP address be 201.2.2.1.(wherein 201.2.2.0 is the IP address and the content of the Remote Address and Subnet Mask attribute among Packet Filter is for { 201.2.2.0[255.255.255.0] }, 255.255.255.0 be netmask), the content of Protocol Number attribute is 6 (expression TCP), the following of Local Port Range attribute is limited to 900, on be limited to 1100, the value of RemotePort Range attribute is 1200.Because purpose IP address 201.2.2.1 belongs in the represented network segment scope of RemoteAddress and Subnet Mask attribute in the message, source port number 1000 belongs in the LocalPort Range attribute bound scope, and other field in the message is identical with other corresponding attribute value among the Packet Filter, therefore this data message and this Packet Filter are complementary, promptly the match is successful with the pairing TFT of this PacketFilter, can find the end-to-end carrying of this data message of transmission by this TFT that determines.
107, described portable terminal transmits described data message by described definite carrying.
Portable terminal transmits this data message according to the end-to-end carrying of determining, wherein, this end-to-end carrying of determining is satisfies the pairing end-to-end carrying of this data message QoS.
Further, if it fails to match, the data message after the described conversion is transmitted by first carrying.
Further, portable terminal or network address port conversion equipment are preserved the five-tuple information of described data message and the corresponding relation of the source port number after the conversion.
The embodiment of the invention is changed by the data message that subscriber equipment is sent, portable terminal obtains the field information of the data message after the conversion, and mate according to the rule of this field information and record, if the match is successful, then determine and the corresponding carrying of this data message, this data message is transmitted by the carrying of determining according to this rule.Even having realized portable terminal is not professional promoter, also can select suitable end-to-end carrying for the data message that receives, transmit this professional data message, satisfied the needs of transfer of data.
With reference to accompanying drawing 2, the embodiment of the invention also provides a kind of data transmission method, and this method comprises:
201, the data message of network equipment mobile terminal receive transmission;
Need to prove, the related network equipment of the embodiment of the invention can be gateway GPRS supporting node (GGSN) GGSN in GPRS network, then being packet data gateway PDNGW in the SAE network, is that example describes with GGSN in the embodiment of the invention.
Wherein, the data message that the portable terminal that the network equipment receives sends can be through the data converted message, and the method and the process of concrete conversion can be with reference to steps 101.
203, the network equipment is known when described data message transmits by first carrying, determines whether to exist the end-to-end carrying corresponding with described data message;
In GPRS network, the carrying of setting up when first carrying is meant by a PDP context activation, in the SAE network, first carrying is meant default bearer.
GGSN is known when this data message transmits by first carrying, this data message is carried out deep message resolve (deep packet inspection, DPI), and, determine whether to exist corresponding end-to-end carrying with the QoS of this data message according to pre-configured type of service and the corresponding relation of QoS.
205, if there is no, then make up the Business Stream information of described data message and the corresponding relation of QoS, and send to described portable terminal, comprise IP filter in the wherein said Business Stream information according to the field information generation of described data message;
If determine not exist this end-to-end carrying, then field information such as the five-tuple information according to this data message generates Packet Filter, the Packet Filter that generates is added among corresponding service stream information such as the TFT, and search the pairing QoS of this TFT, the corresponding relation of this TFT and QoS is sent to portable terminal.
207, set up the end-to-end carrying of the qos requirement that satisfies this data message.
GGSN sends secondary PDP context activation flow process, the carrying of setting up the QoS that satisfies described Business Stream information correspondence.
In the secondary pdp context activation, after portable terminal receives the corresponding relation of Business Stream information that GGSN sends and QoS, preserve the relation of this correspondence, and the end-to-end carrying of setting up correspondence according to this QoS, set up the corresponding relation of Business Stream information and end-to-end carrying, follow-uply can find corresponding end-to-end carrying according to Business Stream information such as TFT.
Need to prove: in step 203, if determine to exist this end-to-end carrying, just portable terminal can't recognize the end-to-end carrying of this correspondence, then the field information of message such as five-tuple information are generated Packet Filter according to these data, and renewal is kept at the Business Stream information on the GGSN, the Packet Filter that will generate simultaneously and send to portable terminal mutually with the sign of the corresponding Business Stream information of this Packet Filter, after portable terminal receives Packet Filter, with this Packet Filter add to the corresponding Business Stream information of the sign of this Business Stream information in.
The embodiment of the invention is to be the description that example is carried out with the general packet radio service (GPRS) network, and this method equally also can be applicable to other network, as the SAE network.Distinctive points is that the network equipment in GPRS network is gateway GPRS supporting node (GGSN) GGSN, then is packet data gateway PDN GW in the SAE network; In GPRS network, set up the end-to-end carrying of satisfying qos requirement by the secondary PDP context activation, then be to set up dedicated bearing that satisfies qos requirement etc. in the SAE network by the flow process of setting up of dedicated bearing.
In embodiments of the present invention, the network equipment is when knowing this data message by the first carrying transmission, the data message is carried out DPI resolves, and upgrade or rebuild Business Stream information, and notice corresponding mobile terminal, make portable terminal receive or renewal corresponding service stream information, portable terminal goes stream information can set up or determine the end-to-end carrying of the data message of this Business Stream of transmission according to corresponding service, and set up or the corresponding relation (rule of record) of new service flow information and corresponding end-to-end carrying more, make portable terminal can select suitable carrying data message transmission according to the rule of record to the data message that receives.
With reference to accompanying drawing 3, the embodiment of the invention provides a kind of data transmission method, and subscriber equipment is connected with portable terminal by NAPT equipment, and this method comprises:
301, subscriber equipment sends uplink data messages to NAPT.
Subscriber equipment sends uplink data messages to NAPT, comprises information such as source port number and source IP address in this data message.During as the subscriber equipment browsing page, the source port number that is comprised in the uplink data messages that subscriber equipment sends can be 80, and source IP address can be IP Address3.
302, after NAPT receives this uplink data messages, the uplink data messages that receives is changed, being comprised:
NAPT is converted to the source port number that regenerates with the source port number of this uplink data messages, further, the source IP address of this uplink data messages is converted to the IP address of portable terminal.Further, the uplink data messages after source IP address and the source port number conversion is sent to portable terminal.
Further, NAPT is converted to the source IP address of this uplink data messages before the IP address of portable terminal, also comprises:
The IP address of portable terminal manually is arranged on the NAPT equipment; Perhaps
Portable terminal sends to NAPT equipment with its own IP address, the IP address that NAPT receives and preserves this portable terminal.
Wherein, in GPRS network, portable terminal can obtain the IP address of this portable terminal in network after finishing PDP context activation.
Further, the IP address in network of this portable terminal can be static, also can be dynamic.When the IP address of this portable terminal was dynamic change, the NAPT that upgrades in time went up the IP address of portable terminal.
Wherein, NAPT can comprise the method that the source port of the uplink data messages that receives regenerates new port numbers:
On NAPT untapped port numbers is still generated an idle chained list, during initialization, all of the port is number all in idle chained list.For example: the range of port number that disposes on NAPT is 1～65535, then still untapped port numbers in this scope can be generated an idle chained list, and each port numbers can be used as a node in the chained list.Wherein during initialization, the arrangement of node in chained list can be carried out according to rule arbitrarily.
When NAPT receives first part of message of Business Stream of subscriber equipment, the port numbers of the port numbers of current head node in the idle chained list as this upstream, further, head node before deserving can be deleted from idle chained list, further, descendant node is set to new head node and distributes to next Business Stream (Business Streams different with current Business Stream).
Wherein, the head node in this chained list can be to come top node in this chained list, and descendant node is the back node in this head node.
Need to prove herein, Business Stream comprises can well-determined many piece of data message according to this five-tuple information, if promptly each field of the five-tuple information in the two piece of data messages is corresponding identical respectively, can determine that then they just belong to same Business Stream.
NAPT is first part of message of the Business Stream that receives when distributing a new source port number, and the subsequent packet of this Business Stream all needs to use this source port number.Further, NAPT need write down the five-tuple information of Business Stream of this subscriber equipment and the corresponding relation of this new distribution source port number.
Further, when the business of some Business Streams stopped, NAPT can relay the port numbers for this traffic flow assignment the tail node of getting back to idle chained list, this port numbers can be redistributed to new Business Stream.
In one embodiment of the invention, the scope of the port numbers that is provided with on NAPT equipment is 1～65535, can support 64K stream to carry out business simultaneously at most, can satisfy general application scenarios.Certainly as required, reduce source port number.
Adopt above-mentioned port translation method, the source port that can guarantee each upstream all is unique, and all source port numbers that send to the uplink service stream of portable terminal all can not repeat, and portable terminal can be determined unique this data flow of determining by source port.
303, after portable terminal receives uplink data messages, uplink data messages is mated, the uplink data messages after the coupling is sent to GGSN.
Portable terminal obtains the five-tuple information of this uplink data messages according to the uplink data messages that receives, and mates according to the five-tuple information of obtaining and the rule of local record.
In embodiments of the present invention, this subscriber equipment is first subscriber equipment that sends datagram by this portable terminal, and this data message also is first part of message of this subscriber equipment, so do not write down the corresponding relation of pairing Business Stream information of this data message and QoS on this portable terminal, further, also may not preserve the corresponding relation of the end-to-end carrying of Business Stream information and correspondence, therefore portable terminal does not match corresponding Business Stream information according to the five-tuple information of the uplink data messages of obtaining, and may just can't find the needed carrying of the QoS that satisfies this uplink message to transmit yet.
Further, the carrying that can set up when not having the uplink data messages that the match is successful by a context activation of this portable terminal is transmitted.
The uplink data messages that the carrying of setting up when 304, GGSN receives by a context activation transmits, and handle accordingly.
After GGSN receives uplink data messages, can know the type of the carrying of this data message of transmission.
GGSN knows that the data message that receives is that the carrying of setting up during by a context activation is when transmitting, can carry out deep layer DPI to this data message that receives resolves, obtain this uplink data messages corresponding service type, can determine the needed QoS of this data message according to the corresponding relation of pre-configured type of service and QoS.
(1) if determining the end-to-end carrying of the required QoS correspondence of this Business Stream, GGSN exists, for no other reason than that portable terminal can't identify this Business Stream information, and the carrying that causes portable terminal that this data message is set up during by a PDP context activation is transmitted, then GGSN generates new Packet Filter according to the five-tuple information of the data message that receives, and add in the Business Stream information of preservation, Packet Filter and the pairing traffic stream identifier of Packet Filter that generates can be sent to portable terminal simultaneously, after portable terminal receives this Packet Filter, with the Packet Filter that receives add to this traffic stream identifier corresponding service stream information in.
Send to the sign (TFT1) that comprises the pairing TFT of this Packet Filter among the Packet Filter of portable terminal as: GGSN, portable terminal can find this corresponding TFT according to this TFT sign (TFT1), and this Packet Filter is added among the corresponding TFT.
Concrete: GGSN initiates the PDP context modification flow process to portable terminal, and this Packet Filter is sent to portable terminal.
(2) if GGSN determines not exist the corresponding carrying with the required QoS of this Business Stream, then GGSN generates new Packet Filter according to the five-tuple information of this data message, further, this PacketFilter is added in the corresponding service stream information, and go up type of service and the corresponding relation generation Business Stream information of QoS and the corresponding relation of QoS that is provided with according to GGSN.Further, the corresponding relation with this Business Stream information and the QoS of correspondence sends to portable terminal.
As: GGSN initiation secondary PDP context activation, initiate secondary PDP to portable terminal and activate message, set up the end-to-end carrying of satisfying this qos requirement, also the Business Stream information of generation and the corresponding relation of QoS are sent to portable terminal simultaneously.
Wherein, GGSN comprises according to the object lesson of the corresponding Packet Filter of the five-tuple information generation of this data message:
Purpose IP address in the uplink data messages of a TCP type that GGSN receives is 172.168.8.1, source port number is 5003, the destination slogan is 1001, then the Packet Filter of Sheng Chenging can be that (the bracket front is the IP address for { 172.168.8.0[255.255.255.0] } for the content of Remote Address and Subnet Mask attribute, bracket inside is netmask), the content of ProtocolNumber attribute is 6 (expression TCP), the value of Local Port Range attribute is 5003, and the value of RemotePort Range attribute is 1001.
Need to prove, Business Stream information can comprise Business Stream masterplate TFT etc., further, can comprise one or more IP filter Packet Filter among each TFT, each field value of the five-tuple information of the data message of the Business Stream under the attribute of Packet Filter and this Packet Filter exists corresponding relation.If that is: the attribute of each field value of the five-tuple information of some data messages and Packet Filter is complementary, determine that then this data message belongs to the pairing Business Stream of this Packet Filter, further, if comprise a plurality of Packet Filter among the TFT, then, can determine that then this data message belongs to the pairing carrying of this TFT as long as data message can match one of them PacketFilter.
GGSN sends to external network with the uplink data messages that this receives.
305, after portable terminal receives this secondary context foundation request, set up the pairing end-to-end carrying of secondary context.
The corresponding relation of QoS and Business Stream information during portable terminal reception and preservation secondary context are set up and asked, and the end-to-end carrying of setting up correspondence according to the QoS that receives.After the end-to-end carrying with correspondence of portable terminal is set up and is finished, can realize the related of Business Stream information and corresponding end-to-end carrying, the rule that record is corresponding when the subsequent movement terminal receives other data message of this Business Stream, can adopt the end-to-end carrying of this correspondence to transmit.
Further, when portable terminal during to described subscriber equipment converting downlink data message, portable terminal sends to NAPT with this downlink data message, NAPT according to the five-tuple information of the Business Stream of preserving in advance and when up NAPT change the corresponding relation of stylish distribution source port number, become source IP address in the uplink message that subscriber equipment sends, destination slogan to convert source port number in the uplink message that subscriber equipment sends to the purpose IP address transition of downlink data message.Afterwards, the downlink message after will changing again sends to the subscriber equipment corresponding with destination address.
The data transmission method that the embodiment of the invention provides, when the subscriber equipment that has two or more is connected on the same portable terminal, by the conversion to the source port number and the source IP address of subscriber equipment, the phenomenon of identical sources port, purpose IP address and destination interface can not appear occurring in the stream of a plurality of different source IP addresss.Portable terminal just can mate the uplink data messages that receives, and determines to satisfy the end-to-end carrying of this uplink data messages transmission demand, and then transmits this data message by this carrying of determining, has satisfied professional transmission needs.
With reference to accompanying drawing 4, another one embodiment of the present invention also provides a kind of data transmission method, and subscriber equipment links to each other with portable terminal by NAPT equipment, and this method comprises:
401, subscriber equipment sends uplink data messages to NAPT, with reference to step 301.
402, after NAPT receives this data message, the source IP address of this data message is converted to the IP address of portable terminal, further, the source port number of this data message is converted to the source port number that regenerates, data message after source IP address and the source port number conversion is sent to portable terminal, specifically with reference to step 302.
403, after portable terminal receives uplink data messages, uplink data messages is mated, this uplink data messages is sent to GGSN according to matching result.
In embodiments of the present invention, receive QoS that GGSN sends and the corresponding relation of Business Stream is that example describes with portable terminal, wherein GGSN sets up and sends the description of the corresponding relation of QoS and Business Stream with reference to step 305.
Portable terminal receives uplink data messages, and obtains the five-tuple information of this uplink data messages, mates according to five-tuple information of obtaining and the Business Stream information that receives.
(1) if each attribute of a Packet Filter in a certain Business Stream of preserving on each field value of this five-tuple information and the portable terminal is all identical or corresponding, show that then the match is successful, this data message is the data message of Business Stream under this Packet Filter, portable terminal can determine with this Packet Filter under the corresponding end-to-end carrying of Business Stream, wherein this end-to-end carrying is the carrying of the QoS that satisfies these uplink data messages transmission needs.
For example, the protocol type in the uplink data messages is 6 (being TCP), and source port number is 1000, and the destination slogan is 1200, and purpose IP address is 201.2.2.1.(the bracket front is the IP address and the content of the RemoteAddress and Subnet Mask attribute among Packet Filter is for { 201.2.2.0[255.255.255.0] }, bracket inside is netmask), the content of Protocol Number attribute is 6 (expression TCP), the following of Local Port Range attribute is limited to 900, on be limited to 1100, the value of Remote Port Range attribute is 1200.Because purpose IP address 201.2.2.1 belongs in the represented network segment scope of Remote Address andSubnet Mask attribute in the message, source port number 1000 belongs in the Local Port Range attribute bound scope, and other field in the message is identical with other corresponding attribute value among the Packet Filter, so this part message and this Packet Filter are that the match is successful.
(2) if the attribute of the Packet Filter of each Business Stream of preserving on each field value of this five-tuple information and the portable terminal is all inequality or corresponding, show that then it fails to match, promptly do not exist with this data message and flow to corresponding service; Further, the carrying that can set up when not having the data message that the match is successful by a context activation of this portable terminal or the default bearer of foundation transmit this data message.
If the match is successful, then execution in step 404; If it fails to match, then with reference to step 304～305.
404, GGSN receives this data message that transmits by aforesaid end-to-end carrying, and handles accordingly.
GGSN knows that this data message is when satisfying the end-to-end carrying transmission of qos requirement, directly this data message is sent to external network, also can send to external network after DPI resolves with carrying out behind this data message.
Wherein, after GGSN receives uplink data messages, resolve the type of the carrying that can know this data message of transmission by DPI.
The data transmission method that the embodiment of the invention provided, portable terminal can mate with the uplink data messages that receives according to the rule of record, when the match is successful, according to the definite end-to-end carrying of the rule of record to correspondence, the uplink data messages that receives is transmitted by the carrying of determining, satisfied professional transmission requirements, also can realize simultaneously based on other QoS control of stream level.
With reference to accompanying drawing 5, another one embodiment of the present invention provides a kind of network address port conversion equipment, comprises
Receiving element 501 is used to receive the data message that subscriber equipment sends;
Converting unit 503, the source port number that is used for data message that receiving element 501 is received is converted to the source port number that regenerates;
Transmitting element 505 is used for the data message after the conversion is sent to portable terminal.
In another one embodiment of the present invention, this network address port conversion equipment also comprises:
Preserve the unit, be used to preserve the five-tuple information of the data message that described subscriber equipment sends and the corresponding relation of the source port number after the conversion.
In another one embodiment of the present invention, described converting unit extracts the source port number of a node as the data message after changing from the idle chained list that generates in advance.
The network address port conversion equipment that the embodiment of the invention provides, the data message that subscriber equipment sends can be changed, the source port number of the data message after the conversion is well-determined, therefore can unique definite a data message according to the source port number after the conversion, make portable terminal the data message after the conversion can be matched in the suitable carrying and transmit.
With reference to accompanying drawing 6, a kind of portable terminal is provided among the another one embodiment of the present invention, comprising:
First acquiring unit 601 is used to obtain the field information of the data message after the conversion;
Determining unit 605 is used for determining and the corresponding carrying of described data message according to the rule of described record when matching unit 603 when the match is successful;
In another one embodiment of the present invention, this portable terminal also comprises:
First receiving element is used to receive the data message after the conversion that the network address port conversion equipment sends; Obtain the field information of described data message in the data message that first acquiring unit 601 receives from described first receiving element.
In another one embodiment of the present invention, this portable terminal also comprises:
Second receiving element is used to receive the data message that subscriber equipment sends;
Converting unit, the source port number that is used for data message that second receiving element is received is converted to the source port number that regenerates;
Obtain the field information of described data message in the data message after first acquiring unit 601 is changed from described converting unit.
In another one embodiment of the present invention, this portable terminal can also comprise:
Second acquisition unit is used to obtain the Business Stream of described data message and the corresponding relation of QoS;
Set up the unit, be used to set up the end-to-end carrying of satisfying described qos requirement, make up the corresponding relation of described Business Stream and described end-to-end carrying.
In another one embodiment of the present invention, first acquiring unit 601, also be used to obtain described IP filter and with the corresponding Business Stream message identification of described IP filter, with the described IP filter that obtains add to the corresponding Business Stream information of described Business Stream message identification in.
In another one embodiment of the present invention,
Described transmission unit 607 also is used for when it fails to match described conversion back data message being transmitted by first carrying.
In another one embodiment of the present invention, this portable terminal also comprises:
Preserve the unit, be used to preserve the five-tuple information of described data message and the corresponding relation of the source port number after the conversion.
The portable terminal that the embodiment of the invention provides, can obtain the field information of the data message that receives, and mate according to the rule of field information that obtains and record, if the match is successful, then the data message that this is received transmits by the carrying of determining, realized that the suitable carrying of passing through that portable terminal will receive transmits, satisfied the needs of professional transmission, realized based on other control of QoS level.
With reference to accompanying drawing 7, a kind of network equipment is provided among the another one embodiment of the present invention, comprising:
Receiving element 701 is used for the data message that mobile terminal receive sends;
Determining unit 703 is used for determining that the described data message that described receiving element 701 receives transmits by first carrying, determines whether to exist the end-to-end carrying corresponding with described data message;
In another one embodiment of the present invention, when determining unit 703 determines to exist the end-to-end carrying corresponding with described data message, described construction unit 705 generates IP filter with described field information according to described data message, send to portable terminal with the IP filter of described generation and with the corresponding Business Stream message identification of described IP filter, notify described portable terminal with described IP filter add to the corresponding Business Stream information of described Business Stream message identification in.
In another one embodiment of the present invention, this network equipment can also comprise:
Dispensing unit is used for the corresponding relation of configuration service type and QoS on the described network equipment.
The network equipment that the embodiment of the invention provided can generate corresponding Packet Filter according to the uplink data messages that receives, and the corresponding relation that makes up Business Stream information and QoS sends to portable terminal, set up the end-to-end carrying of satisfying this qos requirement simultaneously, make that portable terminal can be that the data message that receives selects suitable carrying to transmit according to the rule of record, has satisfied the needs of professional transmission.
Use the method and apparatus that the embodiment of the invention provided, the data message that subscriber equipment sends can be changed, the source port number of the data message after the conversion is unique to be determined, can be unique determine to belong to the data message of identical services stream according to this source port number, avoided prior art since source port number may identically cause select wrong problem of carrying for data message.The network equipment also can generate corresponding Packet Filter according to the five-tuple information of this data message, and then the corresponding relation of structure Business Stream information and QoS, and send to portable terminal, the end-to-end carrying of QoS is satisfied in foundation, makes portable terminal set up the corresponding relation (rule of record) of Business Stream information and this end-to-end carrying; Or the network equipment can generate corresponding Packet Filter according to the five-tuple information of this data message, send to portable terminal mutually with the Packet Filter of this generation and with the sign of the corresponding Business Stream information of this PacketFilter, make portable terminal with this PacketFilter add to the corresponding Business Stream information of the sign of this Business Stream information in, the corresponding relation of new service flow information and end-to-end carrying (rule of record) more.After portable terminal receives data message, obtain the field information (field information that comprises source port number is well-determined) of this data message, and determine this data message corresponding service stream information according to the rule of field information that obtains and record, and then the carrying of definite this data message of transmission, realized satisfying the carrying of qos requirement for different data message selections.Overcome in the prior art because source port number repeats or can not be the problem that the data message that receives is selected suitable carrying because portable terminal can not discerned the type of service under the data message that subscriber equipment sends, satisfied the needs of transfer of data.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (26)
1, a kind of data transmission method is characterized in that, comprising:
Obtain the field information of the data message after the conversion;
Rule according to field information that obtains and record is mated;
If the match is successful, then determine and the corresponding carrying of described data message according to the rule of described record;
Described data message is transmitted by described definite carrying.
2, data transmission method as claimed in claim 1 is characterized in that, the field information that obtains the data message after the conversion comprises:
Receive the data message after the described conversion that the network address port conversion equipment sends, obtain the field information of the data message after the conversion, wherein said network address port conversion equipment is changed the data message that receives; Perhaps
The described data message that receives is changed, obtained the field information of the data message after the conversion.
3, data transmission method as claimed in claim 2 is characterized in that, the described described data message conversion that will receive comprises:
The source port number of described data message is converted to the source port number that regenerates.
4, data transmission method as claimed in claim 3 is characterized in that, the source port number of described data message is converted to the source port number that regenerates and comprises:
From the idle chained list that generates in advance, extract the source port number of a node as the data message after changing.
5, data transmission method as claimed in claim 2 is characterized in that, also comprises:
Preserve the five-tuple information of described data message and the corresponding relation of the source port number after the conversion.
6, data transmission method as claimed in claim 1 is characterized in that, the rule of described record comprises:
The incidence relation of carrying of the data message of Business Stream information and the described Business Stream of transmission comprises the IP filter that the field information according to the data message of described Business Stream generates in the described Business Stream information.
7, data transmission method as claimed in claim 6 is characterized in that, also comprises:
Obtain the corresponding relation of described Business Stream and service quality QoS;
The end-to-end carrying of described qos requirement is satisfied in foundation;
Make up the corresponding relation of Business Stream information and described end-to-end carrying.
8, data transmission method as claimed in claim 6 is characterized in that, also comprises:
Obtain described IP filter and with the corresponding Business Stream message identification of described IP filter;
With the described IP filter that obtains add to described Business Stream message identification corresponding service stream information in.
9, data transmission method as claimed in claim 1 is characterized in that, mates according to the rule of field information that obtains and record to comprise:
Mate according to the five-tuple information of the data message that obtains and the IP filter in the Business Stream information, if the corresponding attribute in each field value of the five-tuple information of described data message and the Business Stream information in the IP filter is identical respectively, perhaps in each corresponding attribute span of described IP filter, then the match is successful respectively for each field value of the five-tuple information of described data message.
10, as the arbitrary described data transmission method of claim 1 to 9, it is characterized in that, also comprise:
If it fails to match, the data message after the described conversion is transmitted by first carrying.
11, a kind of method of transfer of data is characterized in that, comprising:
The data message that mobile terminal receive sends;
Know when described data message transmits by first carrying, determine whether to exist the end-to-end carrying corresponding with described data message;
If there is no, then make up the Business Stream information of described data message and the corresponding relation of QoS, and send to described portable terminal, comprise IP filter in the wherein said Business Stream information according to the field information generation of described data message;
The end-to-end carrying of the qos requirement of described data message is satisfied in foundation.
12, data transmission method as claimed in claim 11 is characterized in that, also comprises:
Described portable terminal receives and preserves the corresponding relation of described Business Stream information and QoS;
The end-to-end carrying of the qos requirement of described data message is satisfied in foundation.
13, data transmission method as claimed in claim 11 is characterized in that, also comprises:
If there be the end-to-end carrying corresponding with described data message, field information according to described data message generates IP filter, and send to portable terminal with described IP filter and with the sign of the corresponding Business Stream information of this IP filter so that described portable terminal with described IP filter add to the corresponding Business Stream information of the sign of described Business Stream information in.
14, as the arbitrary described data transmission method of claim 11 to 13, it is characterized in that, also comprise:
The corresponding relation of configuration service type and QoS.
15, a kind of network address port conversion equipment is characterized in that, comprising:
Receiving element is used to receive the data message that subscriber equipment sends;
Converting unit, the source port number that is used for data message that receiving element is received is converted to the port numbers that regenerates;
Transmitting element is used for the data message after the conversion is sent to portable terminal.
16, network address port conversion equipment as claimed in claim 15 is characterized in that, also comprises:
Preserve the unit, be used to preserve the five-tuple information of the data message that described subscriber equipment sends and the corresponding relation of the source port number after the conversion.
17, as claim 15 or 16 described network address port conversion equipments, it is characterized in that,
Described converting unit extracts the source port number of a node as the data message after changing from the idle chained list that generates in advance.
18, a kind of portable terminal is characterized in that, comprising:
First acquiring unit is used to obtain the field information of the data message after the conversion;
Matching unit is used for the described field information that acquiring unit is obtained and the rule of record and mates;
Determining unit is used for when the match is successful, determines and the corresponding carrying of described data message according to the rule of described record;
Transmission unit is used for the carrying that described data message is determined by described determining unit is transmitted.
19, portable terminal as claimed in claim 18 is characterized in that, also comprises:
First receiving element is used to receive the data message after the described conversion that the network address port conversion equipment sends;
Obtain the field information of described data message in the data message that described first acquiring unit receives from described first receiving element;
Perhaps
Second receiving element is used to receive the data message that subscriber equipment sends;
Converting unit, the source port number that is used for second receiving element is received data message is converted to the source port number that regenerates;
Obtain the field information of described data message in the data message after described first acquiring unit is changed from described converting unit.
20, portable terminal as claimed in claim 18 is characterized in that, also comprises:
Second acquisition unit is used to obtain the Business Stream information of described data message and the corresponding relation of QoS;
Set up the unit, be used to set up the end-to-end carrying of satisfying described qos requirement, make up the corresponding relation of described Business Stream information and described end-to-end carrying.
21, portable terminal as claimed in claim 18 is characterized in that,
Described first acquiring unit, also be used to obtain described IP filter and with the corresponding Business Stream message identification of described IP filter, with the described IP filter that obtains add to the corresponding Business Stream information of described Business Stream message identification in.
22, portable terminal as claimed in claim 18 is characterized in that,
Described transmission unit also is used for when it fails to match the data message after the described conversion being transmitted by first carrying.
23, as the arbitrary described portable terminal of claim 18 to 23, it is characterized in that, also comprise:
Preserve the unit, be used to preserve the five-tuple information of described data message and the corresponding relation of the source port number after the conversion.
24, a kind of network equipment is characterized in that, comprising:
Receiving element is used for the data message that mobile terminal receive sends;
Determining unit when being used for determining that described data message that described receiving element receives transmits by first carrying, determines whether to exist the end-to-end carrying corresponding with described data message;
Construction unit, if when being used for described determining unit and determining there be not the end-to-end carrying corresponding with described data message, make up the Business Stream information of described data message and the corresponding relation of QoS, and send to described portable terminal, comprise IP filter in the wherein said Business Stream information according to the field information generation of described data message;
The unit is set up in carrying, is used to set up the end-to-end carrying of the qos requirement that satisfies described data message.
25, the network equipment as claimed in claim 24 is characterized in that, also comprises:
If determining unit determines to exist the end-to-end carrying corresponding with described data message, described construction unit generates IP filter with described field information according to described data message, send to described portable terminal with the IP filter of described generation and with the corresponding Business Stream message identification of described IP filter, notify described portable terminal with described IP filter add to the corresponding Business Stream information of described Business Stream message identification in.
26, as the claim 24 or the 25 described network equipments, it is characterized in that, also comprise:
Dispensing unit is used for the corresponding relation of configuration service type and QoS on the described network equipment.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910190747A CN101674606A (en) | 2009-09-25 | 2009-09-25 | Data transmission method and device |
| PCT/CN2010/076494 WO2011035678A1 (en) | 2009-09-25 | 2010-08-31 | Method and apparatus for data transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910190747A CN101674606A (en) | 2009-09-25 | 2009-09-25 | Data transmission method and device |
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| Publication Number | Publication Date |
|---|---|
| CN101674606A true CN101674606A (en) | 2010-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910190747A Pending CN101674606A (en) | 2009-09-25 | 2009-09-25 | Data transmission method and device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101674606A (en) |
| WO (1) | WO2011035678A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2011035678A1 (en) * | 2009-09-25 | 2011-03-31 | 华为技术有限公司 | Method and apparatus for data transmission |
| CN102238743A (en) * | 2010-05-05 | 2011-11-09 | 联芯科技有限公司 | Multiplex bearer management method and device |
| CN102308614A (en) * | 2011-07-01 | 2012-01-04 | 华为技术有限公司 | Bearing processing method and device |
| CN104010050A (en) * | 2014-05-30 | 2014-08-27 | 北京航空航天大学 | Method and device for achieving gateway NAPT function based on middleware |
| CN104158752A (en) * | 2014-09-01 | 2014-11-19 | 华为技术有限公司 | Method and device of processing business flow |
| CN104639457A (en) * | 2013-11-11 | 2015-05-20 | 中兴通讯股份有限公司 | Policy control method, policy control device and gateway equipment |
| CN106033582A (en) * | 2016-04-29 | 2016-10-19 | 苏州奖多多科技有限公司 | Data processing method and device |
| CN107579807A (en) * | 2016-06-30 | 2018-01-12 | 电信科学技术研究院 | The method and device of data transfer |
| WO2018126692A1 (en) * | 2017-01-09 | 2018-07-12 | 华为技术有限公司 | Method and apparatus for controlling data transmission |
| WO2020088601A1 (en) * | 2018-11-02 | 2020-05-07 | 华为技术有限公司 | Method and device for controlling terminal and network connection |
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| US8503437B2 (en) * | 2003-03-13 | 2013-08-06 | Verizon Business Global Llc | Integrated customer premises equipment device |
| CN1317874C (en) * | 2003-09-27 | 2007-05-23 | 财团法人资讯工业策进会 | Network address port conversion gateway and method for providing virtual host service fast inquiry replacement |
| US8787393B2 (en) * | 2005-04-11 | 2014-07-22 | International Business Machines Corporation | Preventing duplicate sources from clients served by a network address port translator |
| CN100571199C (en) * | 2005-12-16 | 2009-12-16 | 华为技术有限公司 | The method of a kind of home gateway and guarantee in-home network service terminal QoS |
| JP4726860B2 (en) * | 2007-06-19 | 2011-07-20 | シャープ株式会社 | Gateway device, access gateway device, core network system, program, and packet transfer method |
| CN101674606A (en) * | 2009-09-25 | 2010-03-17 | 华为技术有限公司 | Data transmission method and device |
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2009
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- 2010-08-31 WO PCT/CN2010/076494 patent/WO2011035678A1/en active Application Filing
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| WO2011035678A1 (en) * | 2009-09-25 | 2011-03-31 | 华为技术有限公司 | Method and apparatus for data transmission |
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| CN104010050A (en) * | 2014-05-30 | 2014-08-27 | 北京航空航天大学 | Method and device for achieving gateway NAPT function based on middleware |
| CN104158752A (en) * | 2014-09-01 | 2014-11-19 | 华为技术有限公司 | Method and device of processing business flow |
| CN106033582A (en) * | 2016-04-29 | 2016-10-19 | 苏州奖多多科技有限公司 | Data processing method and device |
| CN107579807A (en) * | 2016-06-30 | 2018-01-12 | 电信科学技术研究院 | The method and device of data transfer |
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| WO2011035678A1 (en) | 2011-03-31 |
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