CN102143027A - Method and device for accessing network - Google Patents
Method and device for accessing network Download PDFInfo
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- CN102143027A CN102143027A CN2010106079146A CN201010607914A CN102143027A CN 102143027 A CN102143027 A CN 102143027A CN 2010106079146 A CN2010106079146 A CN 2010106079146A CN 201010607914 A CN201010607914 A CN 201010607914A CN 102143027 A CN102143027 A CN 102143027A
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Abstract
The invention relates to the field of communication, in particular to a method and device for accessing a network. The method is based on a scene comprising two or more access domains. The method comprises the steps of: sending a PPPOE (Point-to-Point Protocol over Ethernet) initial message, wherein the PPPOE initial message carries a user online domain; determining whether an online domain access network needs to be selected, if yes, selecting a required online domain; and if not, accessing the original user name into the network. According to the technical scheme provided by the embodiment of the invention, through modifying a consultation message field in a PADI (PPPOE Active Discovery Initiation) of a dialing process of the user PPPOE and adding a tag for indicating the user online domain on the PPPOE on the basis of the original tag, the user can select a function of the access device when the PPPOE is dialed.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of network access method and equipment.
Background technology
The major function of point-to-point protocol PPPOE on the Ethernet (Point-to-Point Protocol over Ethernet) is the connection that point-to-point is provided on Ethernet, PPPOE adds the header of Ethernet in the front of standard P PP message, make PPPOE provide and connect remote access device by simple bridge joint access device, and the sharing that can utilize Ethernet connects a plurality of subscriber's main stations, under this model, each subscriber's main station utilizes the PPP storehouse of self, and the user uses familiar interface.Access control is chargeed and is waited and can carry out at each user.
When having a plurality of access device in the network, these equipment can be positioned at the heterogeneous networks (such as inserting campus network and World Wide Web (WWW) respectively) of same operator, also can be the equipment of different operators, just need provide a kind of mode this moment, can allow the user select access device.Yet in the current PPPOE dialing procedure, Windows operating system acquiescence can be judged afterwards according to the elder generation that the PADO message arrives, and only responds the PADO message that at first arrives, and so just can't realize selecting access device.
Summary of the invention
Embodiments of the present invention provide a kind of method and apparatus of access network, solve the problem that can't realize selecting the access device access network in the present communication network.
On the one hand, embodiment of the present invention provides a kind of method of access network, and this method is based on the scene that comprises two or more input fields, and this method comprises:
Send the PPPOE Initial message, carry the user territory of reaching the standard grade in this PPPOE Initial message;
Determine whether to need to select to reach the standard grade the territory access network, if desired, then select the territory of reaching the standard grade that needs; Otherwise use original user name access network.
On the other hand, embodiment of the present invention provides a kind of method of access network, and this method is based on the scene that comprises two or more input fields, and this method comprises:
Access device receives the PADI message that main frame sends, and described PADI message carries the user territory of reaching the standard grade;
Access device obtains the territory of reaching the standard grade of carrying in the PADI message;
This territory of reaching the standard grade of reaching the standard grade territory and access device itself is compared, whether identical to determine this territory of reaching the standard grade with the territory of reaching the standard grade of access device itself, if identical, then respond the PPPOE back message using.
On the other hand, embodiment of the present invention provides a kind of equipment of access network, and this equipment is positioned at host computer side, and this equipment comprises:
Sending module 51 is used to send the PADI message, carries the user territory of reaching the standard grade in this PADI message;
On the other hand, embodiment of the present invention provides a kind of equipment of access network, and this equipment is positioned at the access device side, and this equipment comprises:
Receiver module is used to receive the PADI message that main frame sends, and described PADI message carries the user territory of reaching the standard grade;
Acquisition module is used for obtaining the territory of reaching the standard grade that the PADI message carries;
Whether comparison module is used for this territory of reaching the standard grade of reaching the standard grade territory and access device itself is compared, identical with the territory of reaching the standard grade of access device itself to determine this territory of reaching the standard grade, thereby selects whether to respond the PADO message.
The technical scheme that embodiment of the present invention provides, by revising the negotiation packet field among the user PPPOE dialing procedure PADI, on the original tag of PPPOE basis, increase the identifying user tag in territory that reaches the standard grade, thereby when realizing the PPPOE dialing, the user can select the function of access device.
Description of drawings
Fig. 1 is the network structure of one embodiment of the invention;
Fig. 2 is the method flow diagram of one embodiment of the present invention;
Fig. 3 is the method flow diagram of another execution mode of the present invention;
Fig. 4 is the PADI message format schematic diagram of one embodiment of the present invention;
Fig. 5 is the structural representation of equipment of the access network of one embodiment of the present invention;
Fig. 6 is the structural representation of the equipment of the access network of another execution mode of the present invention.
Embodiment
Below in conjunction with embodiment implementation procedure of the present invention is described.
As shown in Figure 1, main frame connects by modulator-demodulator Modem, switch and access device (comprising access device 1, i.e. Bras-1 and access device 2, i.e. Bras-2) by the PPPOE dialing, but finally by an access network in two access devices, the process of PPPOE dialing is:
1) shown in L1, main frame is broadcasted a PADI (PPPOE Active DiscoveryInitiation packet, PPPOE Initial message) message in this Ethernet, comprises main frame and want the service type information that obtains in this PADI message.
2) shown in L2, all access devices in the Ethernet are after receiving this PADI message, the requested service wherein and the service that oneself can provide are compared, wherein main frame provides the access device of this service to beam back PADO (PPPOE Active Discovery Offer packet for this reason, the PPPOE back message using) message can not provide the equipment of this service can not send out the PADO message.
3) shown in L3, main frame may be received the PADO message that a plurality of access devices are beamed back, main frame is by the PADO content of message, from the service available access device of beaming back the PADO message, select one according to certain condition, and beam back a PADR message (PPPOE ActiveDiscovery Request packet to the access device of choosing, the PPPOE request message), this PADR message is non-broadcasting packet, in this PADR message, comprise the information of conceivable service.
4) shown in L4, selected access device just begins to prepare to enter the PPP session stage after receiving the PADR message.Selected access device can produce this section PPPOE session of a session identification with this access device of unique sign and main frame.And this specific session identification is included in session confirmation message PADS (PPPOE Active Discovery Session-confirmation packet, PPPOE session confirmation message) sends back to main frame in, if do not have the wrong PPP session stage that takes place just to enter into, and if main frame does not have the wrong PPP session stage that takes place yet to enter into after receiving the session confirmation message.
Fig. 1 only is a schematic diagram, has only expressed two access devices of Bras-1 and Bras-2, still, also has the situation more than two access devices in the actual network.Access device can be Broadband Remote Access Server (Broadband Remote Access Server usually, BRAS), digital subscriber line access multiplex (Digital Subscriber Line Access Multiplexer, DSLAM), radio reception device AP (access point, access point) etc.Main frame can PC PC, personal digital assistant (Personal Digital Assistant, PDA), mobile phone, IP (Internet Protocol, procotol) phone, digital TV terminal or other equipment.
The embodiment of the invention is by revising the negotiation packet field among the user PPPOE dialing procedure PADI, increases the identifying user label tag in territory that reaches the standard grade on the original tag of PPPOE basis, thereby when realizing the PPPOE dialing, the user can select the function of access device.The user territory of reaching the standard grade is meant the domain name of the access authentication that disposes on access device, this is decided in its sole discretion by operator, can be telecom such as the domain name of China Telecom, and mobile can be cmnet.
As shown in Figure 2, in the embodiment of the invention, at host computer side, the method for access network comprises:
S11, send the PADI message, carry the user territory of reaching the standard grade in this PADI message.
Main frame sends the PADI message to access device, carries the user territory of reaching the standard grade in the PADI message that sends, and is specifically as follows: increase following tag on original label tag basis of PPPOE message:
-0x0106domain-name, wherein domain-name is the user territory of reaching the standard grade, common domain name can be the title cmnet of operator, perhaps access style PPPOE/static/manage, perhaps 163/169 and so on, can determine by operator.
S13, determine whether need to select to reach the standard grade the territory access network, if desired, then select the territory of reaching the standard grade that needs; Otherwise use original user name, promptly not with the domain name suffix or have the user name of acquiescence domain name suffix, access network.
Such as, suppose that the user is called aaa, when the user carries out PPPOE when dialing, user name format can for:
Aaa@neiwang, Intranet is only logined in expression, only needs the Intranet resource;
Aaa@waiwang, outer net is only logined in expression, only needs the outer net resource.
If the user wants to select different input field logins, want to login Bras-2 such as the user, when only needing the Intranet resource, the user can revise login user aaa@neiwang by name, and the PADI message format that this moment, main frame sent can be as shown in Figure 4:
Reach the standard grade if the user wants to be chosen in Bras-1 equipment, then revise login user aaa@waiwang by name and get final product.
Certainly whether, also choice menus can be set in access device, showing needs to select, select if desired, then demonstrate the selectable territory of reaching the standard grade, such as aaa@neiwang and aaa@waiwang, the user can select the suitable territory of reaching the standard grade to insert corresponding network as required.
When the user does not want to select access device, login username can be used original user name, promptly not with the domain name suffix or have the user name of acquiescence domain name suffix, such as aaa, access network, this moment, what walk promptly was original dialing flow process, the arrival by the PADO message determines access device opportunity.
As shown in Figure 3, in the access device side, the method for access network comprises:
S15, access device receive the PADI message that main frame sends, and described PADI message carries the user territory of reaching the standard grade.
S17, access device obtain the territory of reaching the standard grade of carrying in the PADI message.
S19, this territory of reaching the standard grade of reaching the standard grade territory and access device itself is compared, whether identical to determine this territory of reaching the standard grade with the territory of reaching the standard grade of access device itself.
The territory field of reaching the standard grade of carrying in the access device parsing PADI message is to obtain the territory of reaching the standard grade of carrying in this PADI message, and the territory of reaching the standard grade of reach the standard grade territory and this access device itself of carrying in the PADI message compared, whether identical to determine this territory of reaching the standard grade with the territory of reaching the standard grade of access device itself, thus select whether to respond the PADO message.Such as, if receiving the user domain that main frame sends on the Bras-1 equipment of PADI message is waiwang, and main frame sends to the territory of reaching the standard grade of carrying in the PADI message is aaa@neiwang, access device Bras-1 compares the back discovery with the territory of reaching the standard grade of reach the standard grade territory and this access device itself of carrying in the PADI message the two is inconsistent so, to not respond the PADO message, and receive the user domain that main frame sends on the Bras-2 equipment of PADI message is neiwang, access device Bras-2 compares the back with the territory of reaching the standard grade of reach the standard grade territory and this access device itself of carrying in the PADI message and finds that the two is consistent so, then responds the PADO message to the main frame that sends this PADI message.
Main frame may be received the PADO message that one or more access devices are beamed back, main frame is by the PADO content of message, from the service available access device of beaming back the PADO message, select one according to certain condition, and beam back a PADR message (PPPOE Active DiscoveryRequest packet to the access device of choosing, the PPPOE request message), this PADR message is non-broadcasting packet, comprises the information that main frame is wanted the service that obtains in this PADR message.Described certain condition is meant: for the PC PC that Windows operating system is installed, its selection mode is responded first PADO message that receives for acquiescence.That is to say, can need determine whether to respond according to the sequencing that receives back message using PADO.
Selected access device begins to prepare to enter the PPP session stage after receiving the PADR message.Selected access device can produce this section PPPOE session of a session identification with this access device of unique sign and main frame.And this specific session identification is included in session confirmation message PADS (PPPOEActive Discovery Session-confirmation packet, PPPOE session confirmation message) sends back to main frame in, if do not have the wrong PPP session stage that takes place just to enter into, and if main frame does not have the wrong PPP session stage that takes place yet to enter into after receiving the session confirmation message.
As shown in Figure 5, another execution mode of the present invention provides a kind of equipment of access network, and this equipment is positioned at host computer side, and this equipment comprises:
Sending module 51 is used to send the PADI message, carries the user territory of reaching the standard grade in this PADI message;
The occupation mode of the equipment of this access network was described in the method for access network, did not repeat them here.
The equipment of this access network can be PC, PDA, mobile phone, IP phone, digital TV terminal or other equipment.
As shown in Figure 6, another execution mode of the present invention provides a kind of equipment of access network, and this equipment is positioned at the access device side, and this equipment comprises:
Whether comparison module 63 is used for this territory of reaching the standard grade of reaching the standard grade territory and access device itself is compared, identical with the territory of reaching the standard grade of access device itself to determine this territory of reaching the standard grade, thereby selects whether to respond the PADO message.Such as, if receiving the user domain that main frame sends on the Bras-1 equipment of PADI message is waiwang, and main frame sends to the territory of reaching the standard grade of carrying in the PADI message is aaa@neiwang, access device Bras-1 compares the back discovery with the territory of reaching the standard grade of reach the standard grade territory and this access device itself of carrying in the PADI message the two is inconsistent so, to not respond the PADO message, and receive the user domain that main frame sends on the Bras-2 equipment of PADI message is neiwang, access device Bras-2 compares the back with the territory of reaching the standard grade of reach the standard grade territory and this access device itself of carrying in the PADI message and finds that the two is consistent so, then responds the PADO message to the main frame that sends this PADI message.
The occupation mode of the equipment of this access network was described in the method for access network, did not repeat them here.
The equipment of this access network can be access device, such as BRAS or DSLAM or AP.
Adopt above-mentioned execution mode of the present invention,
On the one hand, when the access device two or two or more of network internal storage in same operator, insert two or more different networks respectively, for example campus network and Internet net, perhaps campus network, Internet net, education network, the number of the account difference was selected to insert different networks, thereby is carried out different chargings when this moment, the user can pass through dialing;
On the other hand, network internal storage is when the equipment of two or more different operators, and the different numbers of the account the when user can pass through dialing are selected which operator to insert the Internet network by, and can be switched at any time;
In addition, in network, there are two or two above access devices, all can access network between these access devices; when forming protection group or load balancing each other; the user omits domain name when the input number of the account, can select an access device access network this moment at random.
In addition, for later network development, last kilometer can be public, and access device can be several different operators, and by this scheme, the user can select the equipment access network by any one operator.
The above; only be the preferable embodiment of the present invention; but protection scope of the present invention is not limited thereto; the technical scope that any those skilled in the art of being familiar with disclose in the present invention and not breaking away from the technological thought scope of the present invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1. the method for an access network is characterized in that, this method is based on the scene that comprises two or more input fields, and this method comprises:
Send the PPPOE Initial message, carry the user territory of reaching the standard grade in this PPPOE Initial message;
Determine whether to need to select to reach the standard grade the territory access network, if desired, then select the territory of reaching the standard grade that needs; Otherwise use original user name access network.
2. the method for claim 1 is characterized in that, carries the user territory of reaching the standard grade in the described PPPOE Initial message, comprising: increase the reach the standard grade label in territory of identifying user on the original label of PPPOE basis.
3. method as claimed in claim 2 is characterized in that, the reach the standard grade label in territory of the expression user of described increase is 0x0106 domain-name, and wherein domain-name is the user territory of reaching the standard grade.
4. the method for an access network is characterized in that, this method is based on the scene that comprises two or more input fields, and this method comprises:
Access device receives the PADI message that main frame sends, and described PADI message carries the user territory of reaching the standard grade;
Access device obtains the territory of reaching the standard grade of carrying in the PADI message;
This territory of reaching the standard grade of reaching the standard grade territory and access device itself is compared, whether identical to determine this territory of reaching the standard grade with the territory of reaching the standard grade of access device itself, if identical, then respond the PPPOE back message using.
5. method as claimed in claim 4 is characterized in that, carries the user territory of reaching the standard grade in the described PPPOE Initial message, comprising: increase the reach the standard grade label in territory of identifying user on the original label of PPPOE basis.
6. method as claimed in claim 5 is characterized in that, the reach the standard grade label in territory of the expression user of described increase is 0x0106domain-name, and wherein domain-name is the user territory of reaching the standard grade.
7. the equipment of an access network is characterized in that, this equipment is positioned at host computer side, and this equipment comprises:
Sending module is used to send the PPPOE Initial message, carries the user territory of reaching the standard grade in this PPPOE Initial message;
Determination module is used to determine whether the needs territory access network of selecting to reach the standard grade, and if desired, then selects the territory of reaching the standard grade that needs; Otherwise use original user name access network.
8. equipment as claimed in claim 7 is characterized in that, the equipment of this access network is PC, personal digital assistant, mobile phone, procotol IP phone or digital TV terminal.
9. the equipment of an access network is characterized in that, this equipment is positioned at the access device side, and this equipment comprises:
Receiver module is used to receive the PPPOE Initial message that main frame sends, and described PPPOE Initial message carries the user territory of reaching the standard grade;
Acquisition module is used for obtaining the territory of reaching the standard grade that the PPPOE Initial message carries;
Whether comparison module is used for this territory of reaching the standard grade of reaching the standard grade territory and access device itself is compared, identical with the territory of reaching the standard grade of access device itself to determine this territory of reaching the standard grade, if identical, then responds the PPPOE back message using.
10. equipment as claimed in claim 9 is characterized in that, the equipment of this access network is Broadband Remote Access Server or digital subscriber line access multiplex or radio reception device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010106079146A CN102143027A (en) | 2010-12-24 | 2010-12-24 | Method and device for accessing network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010106079146A CN102143027A (en) | 2010-12-24 | 2010-12-24 | Method and device for accessing network |
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| CN102143027A true CN102143027A (en) | 2011-08-03 |
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| CN2010106079146A Pending CN102143027A (en) | 2010-12-24 | 2010-12-24 | Method and device for accessing network |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102801627A (en) * | 2012-08-17 | 2012-11-28 | 深圳市吉祥腾达科技有限公司 | Method for automatically identifying access environment by router |
| CN105262698A (en) * | 2015-10-28 | 2016-01-20 | 华为技术有限公司 | Load sharing method, device and system |
| CN106506664A (en) * | 2016-11-18 | 2017-03-15 | 杭州华三通信技术有限公司 | A kind of method and apparatus of server load balancing |
| CN117202346A (en) * | 2023-09-11 | 2023-12-08 | 自然资源部大地测量数据处理中心 | Scheduling and broadcasting method and system for high-precision positioning service |
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| CN101202735A (en) * | 2006-12-29 | 2008-06-18 | 深圳市同洲电子股份有限公司 | Apparatus and method for establishing PPP link circuit based on TCP/IP protocol |
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| CN101115014A (en) * | 2006-07-27 | 2008-01-30 | 日立通讯技术株式会社 | Packet forwarding control method and packet forwarding apparatus |
| CN101202735A (en) * | 2006-12-29 | 2008-06-18 | 深圳市同洲电子股份有限公司 | Apparatus and method for establishing PPP link circuit based on TCP/IP protocol |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801627A (en) * | 2012-08-17 | 2012-11-28 | 深圳市吉祥腾达科技有限公司 | Method for automatically identifying access environment by router |
| CN102801627B (en) * | 2012-08-17 | 2015-10-28 | 深圳市吉祥腾达科技有限公司 | Router identifies the method for access environment automatically |
| CN105262698A (en) * | 2015-10-28 | 2016-01-20 | 华为技术有限公司 | Load sharing method, device and system |
| US10623320B2 (en) | 2015-10-28 | 2020-04-14 | Huawei Technologies Co., Ltd. | Load sharing method, apparatus, and system |
| CN106506664A (en) * | 2016-11-18 | 2017-03-15 | 杭州华三通信技术有限公司 | A kind of method and apparatus of server load balancing |
| CN117202346A (en) * | 2023-09-11 | 2023-12-08 | 自然资源部大地测量数据处理中心 | Scheduling and broadcasting method and system for high-precision positioning service |
| CN117202346B (en) * | 2023-09-11 | 2024-03-08 | 自然资源部大地测量数据处理中心 | Scheduling and broadcasting method and system for high-precision positioning service |
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