CN1330149C - Communication method between special aerospace network - Google Patents
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- CN1330149C CN1330149C CNB031561667A CN03156166A CN1330149C CN 1330149 C CN1330149 C CN 1330149C CN B031561667 A CNB031561667 A CN B031561667A CN 03156166 A CN03156166 A CN 03156166A CN 1330149 C CN1330149 C CN 1330149C
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Abstract
The present invention discloses a communication method between special aerospace networks. A transmitting party of an aerospace network transmits a message to a host gateway; the host gateway processes the message, inquires addresses and distributes the addresses in real time; a receiving party of the aerospace network receives the message transmitted by the host gateway, and the communication between the aerospace networks is realized. The present invention leads each aerospace special network to realize the convenient communication between each aerospace special network and an aeroplane through a ground-to-air data network by establishing the communication of an edge gateway and the host gateway for each aerospace network. The fund, the management and the labor are greatly saved. The present invention brings maximum convenience for aerospace management, and avoids various kinds of safety hidden trouble. The maintenance is convenient, the stable seamless transition to ATN is realized, and the cost is saved. The present invention combines army and people ideas and becomes into an air-ground integral body. The present invention is a two-way aviation communication system which is transversal on the ground and is longitudinal for ground-to-air.
Description
Technical field
The present invention relates to a kind of communication means that is applied in aviation field, especially a kind of method that between the different aviation private network of China, communicates; Belong to the air communications field.
Background technology
China's aviation private network is the stage that is in many nets and deposits at present, mainly contains: the computer network of VHF ground-air communication network, plane telegraph network (AFTN), each airline inside oneself etc.Along with the international exchange of China obviously increases, international flight quantity increases, and also has a considerable amount of special planes and chartered plane, and in this situation, China successively introduces ARINC, SITA Airline Telecommunication and Information Services interface again, realizes that the whole world of information is shared.
The VHF ground-air communication network also claims ground empty data network, is used in time providing to blank pipe department, airline, administrative service division of civil aviaton the multidate information of aircraft, guarantees the flight safety and the effective needs of aviation operation management.At present, it is webmaster and data processing centre that CAAC has built up with blank pipe office of general bureau, with Beijing, Guangzhou, Shanghai, Chengdu, Xi'an, Shenyang is the data communication partial node, the basic empty data communication network in VHF ground that covers international shipping route, domestic main line air route, substantially the communication that has realized national main air route covers, for aircraft provides the empty hyperfrequency data communication in ground, satisfy every application demand of airline and air traffic control.
The global system that AFTN plane telegraph network is made up of each relevant aviation allocated circuit.It is as the part of aeronautical telecommunication service, for having the exchange that identical or compatible mutually communication characteristic stipulates to provide between each radio station telegram or numerical data.The telegraph network that China civil aviaton builds up at present meets the specification requirement of International Civil Aviation to AFTN circuit, message center, and is connected with international AFTN, also belongs to the part of global AFTN network.
Airline's integrated information network relates to business such as operational management, plan, finance, shipping, clearing, passenger traffic, ground service, unit management.Wherein operation management system is the core of airline's Information System configuration, and it is the computer integrated management information system around the flight operation.Generalized information management system is made up of central database and management maintenance system thereof.According to the update frequency and the service conditions of data, the data of central database can be divided into operation information data and essential information data two big classes.Wherein service data comprise telegram, flight planning, flight dynamically, notice to navigator, passenger, unit situation and various dynamic statistics data; The essential information data then comprise airplane data, airport data, course data, guidance station data, oil plant, unit, flying height, aircraft call sign data, aircraft model, airport code data, transmit messages and receive electric address base etc.Informational needs such as operation information data and essential information data are by the AFTN gateway, and empty data communication gateway in VHF ground and SITA gateway obtain.
The present situation of China's airspace management is that Homeland air defense is main, under this mechanism, the blank pipe function mainly is responsible for by the military, and because present situations such as systems, military's blank pipe network and means all lag behind civil aviaton, on this basis, need to solve the mutual observable problem of the army and the people's aircraft, need civil aviaton of the army of accomplishing interconnected.
In addition, ATN is the dedicated communications network platform towards navigation system application of new generation that International Civil Aviation Organization (ICAO) proposes, and has caused that each member state of ICAO pays much attention to.China is as the member state of International Civil Aviation Organization, and it is imperative to implement new navigation system, and has in a planned way carried out a series of research and construction, and is to realize to the new navigation system transition, progressively in line with international standards.
Because the data protocol of each aviation private network is all inequality, the host-host protocol of application layer is also inequality, in the prior art between each aviation private network in order to realize information sharing, adopt separately the means of communication separately.In order communicating by letter, must to set up a gateway such as certain airline, to be used for the message of the empty data network form in ground is translated into the form of airline, and set up a special line and link to each other with the gateway of the empty data network in ground with the empty data network in ground; And communicate by letter with AFTN net, SITA net, air force's private network and other airline's in-house networks, must also adopt identical way; Realize communication between each air line network, each aviation private network or airline also need adopt same way.
There is following shortcoming in communication means between existing air line network:
1, each aviation private network is at other different aviation private network, in order to realize communication, must set up independent gateway and special line and standby gateway and special line, caused fund, management, personnel's significant wastage.
2, each aviation private network is from row communication, and this has caused great inconvenience to the aviation management, and the aviation total activation do not have whole information yet, is a kind of safe hidden danger.
3, each aviation private network is safeguarded gateway and special line voluntarily, because very inconvenience is safeguarded in the different regions that different gateway may be at home therefore.
4, China is imperative to the transition of new navigation system, and each aviation private network is all carried out independent transition, and cost is too high.
Summary of the invention
The technical problem to be solved in the present invention provides communication means between a kind of aviation private network, by being Border Gateway and the host gateway that each aviation private network is set up, and realizes the communication between gateway, has reached the convenient communication between each aviation private network.
Technical scheme of the present invention is as described below.
Communication means between a kind of aviation private network, described aviation private network are or its combination in the empty data network in ground, AFTN net, each airline's in-house network, ARINC net, SITA net, air force's private network and the ATN net, comprise the steps:
Step 1, air line network transmit leg are directly communicated by letter with host gateway, or the air line network transmit leg communicates by letter with Border Gateway, communicate by letter with host gateway by Border Gateway, send message to host gateway;
If the air line network transmit leg is the empty data network in ground, then directly communicate by letter, send message to host gateway, if the air line network transmit leg is the aviation private network with host gateway, send message earlier to coupled Border Gateway, be transmitted to host gateway after handling by Border Gateway again;
Step 2, host gateway are handled in real time to message, carry out address lookup from routing table, then distribution;
Step 3, air line network recipient directly communicate by letter with host gateway, or the air line network recipient communicates by letter with Border Gateway, communicate by letter with host gateway by Border Gateway, receive the message of host gateway, realize the communication between air line network;
If the air line network recipient is the empty data network in ground, then directly communicate by letter, receive host's gateway message, if the air line network recipient is the aviation private network with host gateway, receive message by coupled Border Gateway earlier, be transmitted to the air line network recipient after handling by Border Gateway again.
The inventive method is communicated by letter with host gateway by a Border Gateway of setting up at each air line network, realized between each aviation private network, each aviation private network is communicated by letter with the convenience between the aircraft by the empty data network in ground, owing to need only set up independent gateway and special line and a cover standby gateway and a special line, save fund, management, personnel greatly; Each aviation private telecommunication network is all communicated by letter with host gateway, and whole information concentrate on host gateway, and this with great facility, has been avoided various safe hidden danger to the aviation management; The Border Gateway of each aviation private telecommunication network and host gateway can centralized maintenance, avoided the different regions that different gateway may be at home, therefore safeguard very convenient; Foundation has realized steady, seamless transitions to ATN towards the Border Gateway of new navigation system ATN, has saved cost.Simultaneously, the present invention has taken into account the army and the people's cross-reference, becomes vacant lot one open, development, the horizontal and two-way longitudinally aviation communication system of ground sky in ground.
Description of drawings
The flow chart that Fig. 1 aviation private network is communicated by letter with Border Gateway;
Fig. 2 aviation private network and Border Gateway are set up the flow chart of thread;
Fig. 3 Border Gateway data message process chart;
Fig. 4 Border Gateway webmaster message process chart;
Fig. 5 Border Gateway and host gateway communication flow diagram;
Empty data network in Fig. 6 ground and host gateway communication flow diagram;
Fig. 7 host gateway data message process chart;
Fig. 8 host gateway webmaster message process chart;
The flow chart of Fig. 9 aviation internetwork communication.
Embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is elaborated.
Communication means between a kind of aviation private network, described aviation private network are or its combination in the empty data network in ground, AFTN net, each airline's in-house network, ARINC net, SITA net, air force's private network and the ATN net, as shown in Figure 9, comprise the steps:
Step 1, air line network transmit leg are directly communicated by letter with host gateway, or the air line network transmit leg communicates by letter with Border Gateway, communicate by letter with host gateway by Border Gateway, send message to host gateway;
If the air line network transmit leg is the empty data network in ground, then directly communicate by letter, send message to host gateway, if the air line network transmit leg is the aviation private network with host gateway, send message earlier to coupled Border Gateway, be transmitted to host gateway after handling by Border Gateway again;
Step 2, host gateway are handled in real time to message, carry out address lookup from routing table, then distribution;
Step 3, air line network recipient directly communicate by letter with host gateway, or the air line network recipient communicates by letter with Border Gateway, communicate by letter with host gateway by Border Gateway, receive the message of host gateway, realize the communication between air line network;
If the air line network recipient is the empty data network in ground, then directly communicate by letter, receive host's gateway message, if the air line network recipient is the aviation private network with host gateway, receive message by coupled Border Gateway earlier, be transmitted to the air line network recipient after handling by Border Gateway again.
By unique host gateway, message is handled all aviation private network, only need be connected to host gateway, just can realize intercoming mutually, greatly reduce construction cost, also make the centralized management of information more easy, solved technical problem to be solved by this invention substantially.
Set up Border Gateway and be because the agreement of each aviation private network is different mutually,, both increased the weight of the burden of host gateway, also be unfavorable for disperseing the fortuitous event that may occur if the function of all routes and protocol conversion all is added on the host gateway.
The empty data network in ground also can comprise a Border Gateway and communicate by letter with host gateway as other aviation specialty nets in fact, and host gateway only is responsible for message and is handled in real time, route, distribution.In the technical scheme of the present invention, just the function of this Border Gateway has been integrated on the host gateway.The reason of doing like this is that aircraft is the topmost object of air communications, also is the most important service object of host gateway, and this mode more helps the processing of the empty over the ground data network message of host gateway, has realized the seamless link of host gateway with the empty data network in ground.
The Border Gateway of the embodiment of the invention and aviation private network (VPN) communication as shown in Figure 1, comprise the steps:
Step 10, Border Gateway carry out connectivity verification to the aviation special net user;
Step 11, Border Gateway are set up the connection thread to the aviation special net user;
Step 12, Border Gateway produce Link State Packet.
The step 10 of present embodiment in conjunction with Fig. 1, comprises the steps:
Step 101, aviation private network and Border Gateway are set up and are shaken hands;
Step 102, shake hands successfully, then the aviation special net user lands; Otherwise execution in step 105;
Step 103, aviation special net user are validated users, then carry out QoS (service quality) checking; Otherwise execution in step 105;
Step 104, aviation special net user satisfy user QoS, and then end step 10; Otherwise execution in step 105;
Step 105, connection failure produce corresponding error information and network management information.
Present embodiment step 11 (has only provided a formation) as shown in Figure 2, comprises the steps:
The data message of step 111, reception aviation private network or Border Gateway;
Step 112, aviation private network data message is added into pass buffer queue, the Border Gateway data message is added the customs clearance buffer queue;
Data message is effective in step 113, the judgement formation, if effectively, message is carried out security management; Otherwise abandon;
Step 114, the data message in the formation is exported;
The step 12 of present embodiment in conjunction with Fig. 1, comprises the steps:
Step 121, link is carried out maintenance management;
Step 122, receive maintenance packet in normal time; Produce Link State Packet; Otherwise connection failure produces corresponding error information and network management information.
The step 1 of present embodiment and step 3, Border Gateway as shown in Figure 3, comprise the steps: the processing of data message
Step 2a0, according to message format, load to resolve required agreement, carry out header and handle, be about to header and from data message, take out;
Step 2a1 takes out address information if header data is decomposed header; Otherwise, data are taken out from the message of decaptitating, put into the data buffering formation;
Step 2a2, address information is sent into the map addresses processing module;
Step 2a3, map addresses processing module inquire address table carry out map addresses, obtain new address;
Step 2a4, with new address with by the remaining header information after the protocol conversion of required conversion, generate new header;
Step 2a5, new header are organized newspaper again with the corresponding data content in the data buffering formation, carry out outputing to the message output buffer queue after CRC checks.
Embodiment of the invention Border Gateway, also comprises the steps: before the step 2a0 the processing of data message
Message enters formation, judges type of message, if data message, execution in step 2a0; If the webmaster message is input to the OAMAgent resume module; All the other types are abandoned.
In the gateway cluster of the present invention, comprise a NM server that links to each other with host gateway, it can send the webmaster message, realizes the management to whole gateway cluster system.This message both can be to the host gateway management, also can be the management to long-range Border Gateway or aviation private network.
During the embodiment of the invention was described, Border Gateway as shown in Figure 4, comprised the steps: the processing of webmaster message
Step 2b0 judges whether it is the local webmaster message of carrying out, if execution in step 2b1, if not execution in step 2b2;
Step 2b1 decomposes message, judges whether that agreement loads message, if, load agreement, if not, the gateway instruction carried out;
Step 2b2 transforms message address, outputs to buffer queue.
In the present embodiment, Border Gateway is communicated by letter with host gateway, in conjunction with Fig. 5, comprises the steps:
Step 2c0, Border Gateway land connectivity verification;
Step 2c1, host gateway are created and are connected thread, produce Link State Packet;
Step 2c2, host gateway are to coming from the Border Gateway message, and the information of carrying out earlier inserts to be handled, and whether the judgment data message is effective again, then, generates the webmaster message, is sent to message processing module (MPM).
Step 2c 3, host gateway are to sending to the Border Gateway message, and whether first judgment data message is effective, and regeneration webmaster message carries out information output then and handles, and is sent to the respective edges gateway.
The step 2c0 of present embodiment comprises the steps:
Step 2c00, host gateway and Border Gateway are set up and are shaken hands;
Step 2c01, shake hands successfully, Border Gateway lands; Otherwise execution in step 2c04;
Step 2c02, Border Gateway do not land, and carry out the checking of admittance condition; Otherwise execution in step 2c04;
Step 2c03, satisfy admittance condition, end step 2c0; Otherwise execution in step 2c04;
Step 2c04, refusal insert.
In the present embodiment, host gateway is communicated by letter with the empty data network in ground, in conjunction with Fig. 6, comprises the steps:
Step 2d0, empty data network and host gateway set up and shake hands;
Step 2d1, shake hands successfully the host gateway thread that connects, otherwise execution in step 2d3;
Step 2d1, receive maintenance packet in normal time, produce Link State Packet; Otherwise execution in step 2d3;
Step 2d3, connection failure produce corresponding error information and network management information.
In the present embodiment, host gateway is handled in real time to message, route, distribution; In conjunction with Fig. 7, comprise the steps:
Step 3a0, according to message format, load to resolve required agreement, carry out header and handle, be about to newspaper
Head takes out from data message;
Step 3a1 takes out address information if header data is decomposed header; Otherwise, data are taken out from the message of decaptitating, put into the data buffering formation;
Step 3a2, address information is sent into the route processing module;
Step 3a3, route processing module table of query and routing obtain receiver address;
Step 3a4, header part except that the address enters the protocol translation module, carries out protocol translation;
Step 3a5, with new address with by the remaining header information after the protocol conversion of required conversion, generate new header;
Corresponding data content in step 3a6, new header and the data buffering formation is organized newspaper again, outputs to the message output buffer queue.
In the present embodiment, host gateway is handled in real time to message, route, distribution; Step 3a 4 protocol translation are specially: if be sent to the data message of the empty data network in ground, carry out protocol conversion and become the empty data network form in ground; If the data message that empty data network is beamed back from ground carries out protocol conversion and becomes the intra-gateway form, other data messages do not carry out protocol conversion.
During the embodiment of the invention is described, before the step 3a0 of host gateway to the processing of data message, also comprise the steps:
Message enters formation, judges type of message, if data message, execution in step 3a0; If the webmaster message is input to the OAMAgent resume module; If Link State Packet is input to the link packet processing module and handles; All the other types are abandoned.
During the embodiment of the invention was described, host gateway as shown in Figure 8, comprised the steps: the processing of webmaster message
Step 3b0 judges whether it is the local webmaster message of carrying out, if execution in step 3b1, if not execution in step 3b3;
Step 3b1 decomposes message, judges whether that the address loads message, if, updating edge gateway status table, if not, execution in step 3b2;
Step 3b2 judges whether that agreement loads message, if, load agreement, if not, the gateway instruction carried out;
Step 3b3 transforms message address, outputs to buffer queue.
During the embodiment of the invention was described, host gateway comprised the steps: the link packet processing module to the processing of Link State Packet, after receiving Link State Packet, obtain current Border Gateway information from the Border Gateway state table, the change routing table obtains new routing table.By the renewal of routing table, make host gateway can obtain the state of whole Border Gateway, guarantee the correct of the network address.
It should be noted last that: above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although the present invention is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that: still can make amendment or be equal to replacement the present invention, and not breaking away from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (16)
1, communication means between a kind of aviation private network, described aviation private network is or its combination in the empty data network in ground, AFTN net, each airline's in-house network, ARINC net, SITA net, air force's private network and the ATN net, it is characterized in that: comprise the steps:
Step 1, air line network transmit leg are directly communicated by letter with host gateway, or the air line network transmit leg communicates by letter with Border Gateway, communicate by letter with host gateway by Border Gateway, send message to host gateway;
If the air line network transmit leg is the empty data network in ground, then directly communicate by letter, send message to host gateway, if the air line network transmit leg is the aviation private network with host gateway, send message earlier to coupled Border Gateway, be transmitted to host gateway after handling by Border Gateway again;
Step 2, host gateway are handled in real time to message, carry out address lookup from routing table, then distribution;
Step 3, air line network recipient directly communicate by letter with host gateway, or the air line network recipient communicates by letter with Border Gateway, communicate by letter with host gateway by Border Gateway, receive the message of host gateway, realize the communication between air line network;
If the air line network recipient is the empty data network in ground, then directly communicate by letter, receive host's gateway message, if the air line network recipient is the aviation private network with host gateway, receive message by coupled Border Gateway earlier, be transmitted to the air line network recipient after handling by Border Gateway again.
2, communication means between aviation private network according to claim 1 is characterized in that: in described step 1 and the step 3, Border Gateway and aviation private network (VPN) communication comprise the steps:
Step 10, Border Gateway carry out connectivity verification to the aviation special net user;
Step 11, Border Gateway are set up the connection thread to the aviation special net user;
Step 12, Border Gateway produce Link State Packet.
3, communication means between aviation private network according to claim 2, it is characterized in that: described step 10 comprises the steps:
Step 101, aviation private network and Border Gateway are set up and are shaken hands;
Step 102, shake hands successfully, then the aviation special net user lands; Otherwise execution in step 105;
Step 103, aviation special net user are validated users, then carry out the QoS checking; Otherwise execution in step 105;
Step 104, aviation special net user satisfy user QoS, and then end step 10; Otherwise execution in step 105;
Step 105, connection failure produce corresponding error information and network management information.
4, communication means between aviation private network according to claim 2, it is characterized in that: described step 11 comprises the steps:
The data message of step 111, reception aviation private network or Border Gateway;
Step 112, aviation private network data message is added into pass buffer queue, the Border Gateway data message is added the customs clearance buffer queue;
Step 113, judge whether data message is effective in the formation, if effectively, message is carried out security management; Otherwise abandon;
Step 114, the data message in the formation is exported;
5, communication means between aviation private network according to claim 2, it is characterized in that: described step 12 comprises the steps:
Step 121, link is carried out maintenance management;
Step 122, receive maintenance packet in normal time; Produce Link State Packet; Otherwise connection failure produces corresponding error information and network management information.
6, communication means between aviation private network according to claim 1, it is characterized in that: in described step 1 and the step 3, Border Gateway comprises the steps: the processing of data message
Step 2a0, according to message format, load to resolve required agreement, carry out header and handle, be about to header and from data message, take out;
Step 2a1 takes out address information if header data is decomposed header; Otherwise, data are taken out from the message of decaptitating, put into the data buffering formation;
Step 2a2, address information is sent into the map addresses processing module;
Step 2a3, map addresses processing module inquire address table carry out map addresses, obtain new address;
Step 2a4, with new address with by the remaining header information after the protocol conversion of required conversion, generate new header;
Corresponding data content in step 2a5, new header and the data buffering formation is organized newspaper again, outputs to the message output buffer queue.
7, communication means between aviation private network according to claim 6 is characterized in that: in described step 1 and the step 3, before the step 2a0 of Border Gateway to the processing of data message, also comprise the steps:
Message enters formation, judges type of message, if data message, then execution in step 2a0; If the webmaster message then is input to the OAMAgent resume module; If all the other types are then abandoned.
8, communication means between aviation private network according to claim 7, it is characterized in that: in described step 1 and the step 3, Border Gateway comprises the steps: the processing of webmaster message
Step 2b0 judges whether it is the local webmaster message of carrying out, if execution in step 2b1, if not execution in step 2b2;
Step 2b1 decomposes message, judges whether it is that agreement loads message, if, load agreement, if not, the gateway instruction carried out;
Step 2b2 transforms message address, outputs to buffer queue.
9, communication means between aviation private network according to claim 1, it is characterized in that: in described step 1 and the step 3, Border Gateway is communicated by letter with host gateway, comprises the steps:
Step 2c0, Border Gateway land connectivity verification;
Step 2c1, host gateway are created and are connected thread, produce Link State Packet;
Step 2c2, host gateway are to coming from the Border Gateway message, and the information of carrying out earlier inserts to be handled, and whether the judgment data message is effective again, then, generates the webmaster message, is sent to message processing module (MPM) one;
Step 2c3, host gateway are to sending to the Border Gateway message, and whether first judgment data message is effective, and regeneration webmaster message carries out information output then and handles, and is sent to the respective edges gateway.
10, communication means between aviation private network according to claim 9, it is characterized in that: described step 2c0 comprises the steps:
Step 2c00, host gateway and Border Gateway are set up and are shaken hands;
Step 2c01, shake hands successfully, Border Gateway lands; Otherwise execution in step 2c04;
Step 2c02, Border Gateway do not land, and carry out the checking of admittance condition; Otherwise execution in step 2c04;
Step 2c03, satisfy admittance condition, end step 2c0; Otherwise execution in step 2c04;
Step 2c04, refusal insert.
11, communication means between aviation private network according to claim 1 is characterized in that: in described step 1 and the step 3, host gateway is communicated by letter with the empty data network in ground, comprises the steps:
Step 2d0, empty data network and host gateway set up and shake hands;
Step 2d1, shake hands successfully the host gateway thread that connects, otherwise execution in step 2d3;
Step 2d1, receive maintenance packet in normal time, produce Link State Packet; Otherwise execution in step 2d3;
Step 2d3, connection failure produce corresponding error information and network management information.
12, communication means between aviation private network according to claim 1, it is characterized in that: in the described step 2, host gateway is handled in real time to message, carries out address lookup from routing table, then distribution; Comprise the steps:
Step 3a0, according to message format, load to resolve required agreement, carry out header and handle, be about to header and from data message, take out;
Step 3a1 takes out address information if header data is decomposed header; Otherwise, data are taken out from the message of decaptitating, put into the data buffering formation;
Step 3a2, address information is sent into the route processing module;
Step 3a3, route processing module table of query and routing obtain receiver address;
Step 3a4, header part except that the address enters the protocol translation module, carries out protocol translation;
Step 3a5, with new address with by the remaining header information after the protocol conversion of required conversion, generate new header;
Corresponding data content in step 3a6, new header and the data buffering formation is organized newspaper again, outputs to the message output buffer queue.
13, communication means between aviation private network according to claim 12, it is characterized in that: in the described step 2, host gateway is handled in real time to message, route, distribution; Step 3a4 protocol translation is specially: if be sent to the data message of the empty data network in ground, carry out protocol conversion and become the empty data network form in ground; If the data message that empty data network is beamed back from ground carries out protocol conversion and becomes the intra-gateway form, other data messages do not carry out protocol conversion.
14, communication means between aviation private network according to claim 12 is characterized in that: in the described step 2, before the step 3a0 of host gateway to the processing of data message, also comprise the steps:
Message enters formation, judges type of message, if data message, then execution in step 3a0; If the webmaster message then is input to the OAMAgent resume module; If Link State Packet then is input to the link packet processing module and handles; If all the other types are then abandoned.
15, communication means between aviation private network according to claim 14, it is characterized in that: in the described step 2, host gateway comprises the steps: the processing of webmaster message
Step 3b0 judges whether it is the local webmaster message of carrying out, if execution in step 3b1, if not execution in step 3b3;
Step 3b1 decomposes message, judges whether that the address loads message, if, updating edge gateway status table then, if not, execution in step 3b2 then;
Step 3b2 judges whether that agreement loads message, if, then load agreement, if not, the gateway instruction then carried out;
Step 3b3 transforms message address, outputs to buffer queue.
16, communication means between aviation private network according to claim 14, it is characterized in that: in the described step 2, host gateway is to the processing of Link State Packet, after comprising the steps: that the link packet processing module is received Link State Packet, from the Border Gateway state table, obtain current Border Gateway information, the change routing table obtains new routing table, has realized the real-time update of host gateway routing table.
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| CNB031561667A CN1330149C (en) | 2003-09-02 | 2003-09-02 | Communication method between special aerospace network |
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| CN100446505C (en) * | 2005-06-06 | 2008-12-24 | 华为技术有限公司 | Realization method for improving backbone network security |
| CN100444587C (en) * | 2007-01-18 | 2008-12-17 | 北京航空航天大学 | Device system and method for realizing aviation telecommunication net and IP net intercommunication |
| CN101425834B (en) * | 2008-11-25 | 2012-11-28 | 北京航空航天大学 | Air-ground data link control and management method |
| CN102065028B (en) * | 2010-12-31 | 2012-12-19 | 上海顶竹通讯技术有限公司 | Gateway equipment and message processing method |
| CN105868032A (en) * | 2016-03-28 | 2016-08-17 | 中国建设银行股份有限公司 | Message processing system and method supporting multi-system access |
| CN108243091B (en) * | 2016-12-27 | 2020-12-11 | 北京航管科技有限公司 | Information sharing device and information sharing method |
| CN110430008B (en) * | 2019-06-18 | 2022-08-09 | 南京莱斯信息技术股份有限公司 | Civil aviation flight telegraph checking system and method based on cyclic redundancy check algorithm |
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| CN1216847A (en) * | 1997-11-04 | 1999-05-19 | 致伸实业股份有限公司 | Grating system having positioning hole |
| CN1256847A (en) * | 1997-04-16 | 2000-06-14 | 诺基亚网络有限公司 | Data service in mobile communications network |
| CN1270729A (en) * | 1997-09-16 | 2000-10-18 | 艾利森电话股份有限公司 | Network hub for interconnecting a wireless office environment with a public cellular telephone network |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1256847A (en) * | 1997-04-16 | 2000-06-14 | 诺基亚网络有限公司 | Data service in mobile communications network |
| CN1270729A (en) * | 1997-09-16 | 2000-10-18 | 艾利森电话股份有限公司 | Network hub for interconnecting a wireless office environment with a public cellular telephone network |
| CN1216847A (en) * | 1997-11-04 | 1999-05-19 | 致伸实业股份有限公司 | Grating system having positioning hole |
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