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CN1330149C - Communication method between special aerospace network - Google Patents

Communication method between special aerospace network Download PDF

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Publication number
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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message
gateway
aviation
network
data
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CN1592268A (en
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张军
朱衍波
张学军
罗喜伶
张涛
顾明
苑喆
谢华
谭锡荆
马玉文
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Beihang University
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Beihang University
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Abstract

本发明公开了一种航空专用网间通信方法,首先航空网发送方发送报文到宿主网关;宿主网关对报文实时处理,地址查询和分发;航空网接收方接收宿主网关转发的报文,实现航空网间的通信。本发明通过在各个航空网建立的一个边缘网关与宿主网关通信,实现了各个航空专用网之间,各个航空专用网通过地空数据网与飞机之间的方便通信,极大的节省了资金、管理、人员,给航空管理以极大的便利,避免了各种安全的隐患,并且维护方便,实现了向ATN的平稳、无缝过渡,节约了成本;本发明兼顾了军民互见,成为空地一体,地面横向和地空纵向的双向航空通信系统。

Figure 03156166

The invention discloses an aviation-specific inter-network communication method. Firstly, the sender of the aviation network sends a message to the host gateway; the host gateway processes the message in real time, and addresses query and distribution; the receiver of the aviation network receives the message forwarded by the host gateway, Realize the communication between aviation networks. The present invention communicates with the host gateway through an edge gateway established in each aviation network, and realizes the convenient communication between each aviation dedicated network, and each aviation dedicated network and the aircraft through the ground-air data network, which greatly saves money, Management and personnel bring great convenience to aviation management, avoid various safety hazards, and are easy to maintain, realize a smooth and seamless transition to ATN, and save costs; , a two-way aeronautical communication system for ground horizontal and ground-air vertical.

Figure 03156166

Description

Communication means between the aviation private network
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、一种航空专用网间通信方法,所述的航空专用网为地空数据网、AFTN网、各航空公司内部网、ARINC网、SITA网、空军专用网和ATN网中的一个或其组合,其特征在于:包括如下步骤:1, a kind of communication method between aviation special network, described aviation special network is one or its combination in ground-air data network, AFTN network, each airline intranet, ARINC network, SITA network, air force private network and ATN network , is characterized in that: comprises the following steps: 步骤一、航空网发送方直接与宿主网关通信,或航空网发送方与边缘网关通信,通过边缘网关与宿主网关通信,发送报文到宿主网关;Step 1. The sender of the aviation network directly communicates with the host gateway, or the sender of the aviation network communicates with the edge gateway, communicates with the host gateway through the edge gateway, and sends the message to the host gateway; 如果航空网发送方为地空数据网,则直接与宿主网关通信,发送报文到宿主网关,如果航空网发送方为航空专用网,先发送报文到与其相连的边缘网关,再由边缘网关处理后转发给宿主网关;If the sender of the aviation network is the ground-air data network, it will directly communicate with the host gateway and send the message to the host gateway. If the sender of the aviation network is the aviation private network, it will first send the message to the edge gateway connected to it, and then the edge gateway After processing, it is forwarded to the host gateway; 步骤二、宿主网关对报文实时处理,从路由表中进行地址查询,然后分发;Step 2: The host gateway processes the message in real time, queries the address from the routing table, and then distributes it; 步骤三、航空网接收方直接与宿主网关通信,或航空网接收方与边缘网关通信,通过边缘网关与宿主网关通信,接收宿主网关的报文,实现航空网间的通信;Step 3: The receiver of the aviation network directly communicates with the host gateway, or the receiver of the aviation network communicates with the edge gateway, communicates with the host gateway through the edge gateway, receives the message of the host gateway, and realizes the communication between the aviation networks; 如果航空网接收方为地空数据网,则直接与宿主网关通信,接收宿主的网关报文,如果航空网接收方为航空专用网,先由与其相连的边缘网关接收报文,再由边缘网关处理后转发给航空网接收方。If the receiver of the aviation network is the ground-air data network, it will directly communicate with the host gateway to receive the host’s gateway message. After processing, it is forwarded to the aviation network receiver. 2、根据权利要求1所述的航空专用网间通信方法,其特征在于:所述步骤一和步骤三中,边缘网关与航空专用网通信,包括如下步骤:2. The communication method between the aviation private network according to claim 1, characterized in that: in the step 1 and step 3, the edge gateway communicates with the aviation private network, including the following steps: 步骤10、边缘网关对航空专用网用户进行连接验证;Step 10, the edge gateway verifies the connection of the aviation private network user; 步骤11、边缘网关建立对航空专用网用户的连接线程;Step 11, the edge gateway establishes a connection thread to the aviation private network user; 步骤12、边缘网关产生链路状态报文。Step 12, the edge gateway generates a link state message. 3、根据权利要求2所述的航空专用网间通信方法,其特征在于:所述的步骤10,包括如下步骤:3. The communication method between aviation private networks according to claim 2, characterized in that: said step 10 includes the following steps: 步骤101、航空专用网与边缘网关建立握手;Step 101, establishing a handshake between the aviation private network and the edge gateway; 步骤102、握手成功,则航空专用网用户进行登陆;否则执行步骤105;Step 102, if the handshake is successful, then the aviation private network user logs in; otherwise, step 105 is performed; 步骤103、航空专用网用户是合法用户,则进行QoS验证;否则执行步骤105;Step 103, if the aviation private network user is a legitimate user, then perform QoS verification; otherwise execute step 105; 步骤104、航空专用网用户满足用户QoS,则结束步骤10;否则执行步骤105;Step 104, the aviation private network user satisfies the user QoS, then end step 10; otherwise execute step 105; 步骤105、连接失败,产生相应的错误信息和网管信息。Step 105, the connection fails, and corresponding error information and network management information are generated. 4、根据权利要求2所述的航空专用网间通信方法,其特征在于:所述的步骤11,包括如下步骤:4. The communication method between aviation private networks according to claim 2, characterized in that: said step 11 includes the following steps: 步骤111、接收航空专用网或边缘网关的数据报文;Step 111, receiving the data message of the aviation private network or the edge gateway; 步骤112、将航空专用网数据报文加入进关缓冲队列,将边缘网关数据报文加入出关缓冲队列;Step 112, adding the aviation private network data message into the customs clearance buffer queue, and adding the edge gateway data message into the customs clearance buffer queue; 步骤113、判断队列中数据报文是否有效,若有效,对报文进行安全性管理;否则抛弃;Step 113, judging whether the data message in the queue is valid, if valid, perform security management on the message; otherwise discard; 步骤114、将队列中的数据报文输出;Step 114, outputting the data packets in the queue; 5、根据权利要求2所述的航空专用网间通信方法,其特征在于:所述的步骤12,包括如下步骤:5. The communication method between aviation private networks according to claim 2, characterized in that: said step 12 includes the following steps: 步骤121、对链路进行维护管理;Step 121, maintain and manage the link; 步骤122、正常时间内收到维护报文;产生链路状态报文;否则连接失败,产生相应的错误信息和网管信息。Step 122: Receive a maintenance message within normal time; generate a link status message; otherwise, the connection fails, and a corresponding error message and network management information are generated. 6、根据权利要求1所述的航空专用网间通信方法,其特征在于:所述步骤一和步骤三中,边缘网关对数据报文的处理,包括如下步骤:6. The method for communication between aviation private networks according to claim 1, characterized in that: in the step 1 and step 3, the processing of the data message by the edge gateway includes the following steps: 步骤2a0、根据报文格式,加载解析所需协议,进行报头处理,即将报头从数据报文中取出;Step 2a0, according to the message format, load the protocol required for parsing, and perform header processing, that is, take the header out of the data message; 步骤2a1、如果是报头数据,将报头分解,取出地址信息;否则,将数据从去头的报文中取出,放入数据缓冲队列;Step 2a1, if it is header data, decompose the header and take out the address information; otherwise, take the data out of the header-removed message and put it into the data buffer queue; 步骤2a2、将地址信息送入地址映射处理模块;Step 2a2, sending the address information into the address mapping processing module; 步骤2a3、地址映射处理模块查询地址表,进行地址映射,得到新地址;Step 2a3, the address mapping processing module queries the address table, performs address mapping, and obtains a new address; 步骤2a4、将新地址与按所需转换的协议转换后的剩余的报头信息,生成新报头;Step 2a4, generating a new header by converting the new address and the remaining header information converted by the required protocol; 步骤2a5、新报头与数据缓冲队列中的对应数据内容重新组报,输出到报文输出缓冲队列。Step 2a5, the new header and the corresponding data content in the data buffer queue are reassembled and output to the message output buffer queue. 7、根据权利要求6所述的航空专用网间通信方法,其特征在于:所述的步骤一和步骤三中,边缘网关对数据报文的处理的步骤2a0之前,还包括如下步骤:7. The communication method according to claim 6, characterized in that: in the step 1 and step 3, before the step 2a0 of processing the data message by the edge gateway, the following steps are further included: 报文进入队列,判断报文类型,如果是数据报文,则执行步骤2a0;如果是网管报文,则输入到网管代理模块处理;如果是其余类型,则抛弃。The message enters the queue, and the type of the message is judged. If it is a data message, step 2a0 is performed; if it is a network management message, it is input to the network management agent module for processing; if it is other types, it is discarded. 8、根据权利要求7所述的航空专用网间通信方法,其特征在于:所述的步骤一和步骤三中,边缘网关对网管报文的处理,包括如下步骤:8. The method for communication between aviation private networks according to claim 7, characterized in that: in the step 1 and step 3, the processing of the network management message by the edge gateway includes the following steps: 步骤2b0,判断是否是本地执行的网管报文,如果是执行步骤2b1,如果不是执行步骤2b2;Step 2b0, judging whether it is a network management message executed locally, if it is executed in step 2b1, if not executed in step 2b2; 步骤2b1,将报文分解,判断是否是协议加载报文,如果是,加载协议,如果不是,执行网关指令;Step 2b1, decomposing the message, judging whether it is a protocol loading message, if yes, loading the protocol, if not, executing the gateway command; 步骤2b2,将报文地址进行转化,输出到缓冲队列。Step 2b2, converting the message address and outputting it to the buffer queue. 9、根据权利要求1所述的航空专用网间通信方法,其特征在于:所述的步骤一和步骤三中,边缘网关与宿主网关通信,包括如下步骤:9. The communication method between aviation private networks according to claim 1, characterized in that: in the first and third steps, the edge gateway communicates with the host gateway, including the following steps: 步骤2c0、边缘网关登陆连接验证;Step 2c0, edge gateway login connection verification; 步骤2c1、宿主网关创建连接线程,产生链路状态报文;Step 2c1, the host gateway creates a connection thread and generates a link status message; 步骤2c2、宿主网关对来自于边缘网关报文,先进行信息接入处理,再判断数据报文是否有效,然后,生成网管报文,传送到报文处理模块一;Step 2c2, the host gateway first performs information access processing on the message from the edge gateway, and then judges whether the data message is valid, and then generates a network management message and transmits it to the message processing module 1; 步骤2c3、宿主网关对发送到边缘网关报文,先判断数据报文是否有效,再生成网管报文,然后进行信息输出处理,传送到相应的边缘网关。Step 2c3: For the message sent to the edge gateway, the host gateway first judges whether the data message is valid, then generates a network management message, and then performs information output processing and transmits it to the corresponding edge gateway. 10、根据权利要求9所述的航空专用网间通信方法,其特征在于:所述的步骤2c0包括如下步骤:10. The communication method between aviation private networks according to claim 9, characterized in that: said step 2c0 includes the following steps: 步骤2c00、宿主网关与边缘网关建立握手;Step 2c00, the hosting gateway establishes a handshake with the edge gateway; 步骤2c01、握手成功,边缘网关进行登陆;否则执行步骤2c04;Step 2c01, the handshake is successful, and the edge gateway logs in; otherwise, execute step 2c04; 步骤2c02、边缘网关未登陆,进行接纳条件验证;否则执行步骤2c04;Step 2c02, if the edge gateway is not logged in, verify the acceptance conditions; otherwise, execute step 2c04; 步骤2c03、满足接纳条件,结束步骤2c0;否则执行步骤2c04;Step 2c03, meet the acceptance conditions, end step 2c0; otherwise, execute step 2c04; 步骤2c04、拒绝接入。Step 2c04, deny access. 11、根据权利要求1所述的航空专用网间通信方法,其特征在于:所述步骤一和步骤三中,宿主网关与地空数据网通信,包括如下步骤:11. The method for communication between aviation-specific networks according to claim 1, characterized in that: in said step 1 and step 3, the host gateway communicates with the ground-air data network, including the following steps: 步骤2d0、地空数据网与宿主网关建立握手;Step 2d0, the ground-air data network establishes a handshake with the host gateway; 步骤2d1、握手成功,宿主网关建立连接线程,否则执行步骤2d3;Step 2d1, the handshake is successful, the host gateway establishes a connection thread, otherwise step 2d3 is executed; 步骤2d1、正常时间内收到维护报文,产生链路状态报文;否则执行步骤2d3;Step 2d1, receiving a maintenance message within a normal time, and generating a link status message; otherwise, perform step 2d3; 步骤2d3、连接失败,产生相应的错误信息和网管信息。In step 2d3, the connection fails, and corresponding error information and network management information are generated. 12、根据权利要求1所述的航空专用网间通信方法,其特征在于:所述步骤二中,宿主网关对报文实时处理,从路由表中进行地址查询,然后分发;包括如下步骤:12. The communication method between aviation private networks according to claim 1, characterized in that: in the second step, the host gateway processes the message in real time, performs an address query from the routing table, and then distributes it; including the following steps: 步骤3a0、根据报文格式,加载解析所需协议,进行报头处理,即将报头从数据报文中取出;Step 3a0, according to the message format, load the protocol required for parsing, and perform header processing, that is, take the header out of the data message; 步骤3a1、如果是报头数据,将报头分解,取出地址信息;否则,将数据从去头的报文中取出,放入数据缓冲队列;Step 3a1, if it is header data, decompose the header and take out the address information; otherwise, take the data out of the header-removed message and put it into the data buffer queue; 步骤3a2、将地址信息送入路由处理模块;Step 3a2, sending the address information into the routing processing module; 步骤3a3、路由处理模块查询路由表,得到接收地址;Step 3a3, the routing processing module queries the routing table to obtain the receiving address; 步骤3a4、报头除地址外部分,进入协议转化模块,进行协议转化;Step 3a4, the part of the header except the address enters the protocol conversion module for protocol conversion; 步骤3a5、将新地址与按所需转换的协议转换后的剩余的报头信息,生成新报头;Step 3a5, generating a new header by converting the new address and the remaining header information converted by the required protocol; 步骤3a6、新报头与数据缓冲队列中的对应数据内容重新组报,输出到报文输出缓冲队列。In step 3a6, the new header and the corresponding data content in the data buffer queue are reassembled and output to the message output buffer queue. 13、根据权利要求12所述的航空专用网间通信方法,其特征在于:所述的步骤二中,宿主网关对报文实时处理,路由,分发;步骤3a4协议转化具体为:如果是发向地空数据网的数据报文,进行协议转换成地空数据网格式;如果是从地空数据网发回的数据报文,进行协议转换成网关内部格式,其他数据报文,不进行协议转换。13. The method for communication between aviation-specific networks according to claim 12, characterized in that: in step 2, the host gateway processes, routes, and distributes the message in real time; step 3a4 protocol conversion is specifically: if it is sent to The data message of the ground-air data network shall be converted into the ground-air data grid format; if it is a data message sent back from the ground-air data network, the protocol shall be converted into the internal format of the gateway, and other data messages shall not be converted into protocol . 14、根据权利要求12所述的航空专用网间通信方法,其特征在于:所述的步骤二中,宿主网关对数据报文的处理的步骤3a0之前,还包括如下步骤:14. The method for communication between aviation-specific networks according to claim 12, characterized in that: in said step 2, before the step 3a0 of processing the data message by the host gateway, the following steps are further included: 报文进入队列,判断报文类型,如果是数据报文,则执行步骤3a0;如果是网管报文,则输入到网管代理模块处理;如果是链路状态报文,则输入到链路报文处理模块处理;如果是其余类型,则抛弃。The message enters the queue, and the type of the message is judged. If it is a data message, then execute step 3a0; if it is a network management message, it is input to the network management agent module for processing; Handle module processing; discard if other types. 15、根据权利要求14所述的航空专用网间通信方法,其特征在于:所述的步骤二中,宿主网关对网管报文的处理,包括如下步骤:15. The method for communication between aviation-specific networks according to claim 14, characterized in that: in the second step, the processing of the network management message by the host gateway includes the following steps: 步骤3b0,判断是否是本地执行的网管报文,如果是执行步骤3b1,如果不是执行步骤3b3;Step 3b0, judging whether it is a network management message executed locally, if it is executed in step 3b1, if not executed in step 3b3; 步骤3b1,将报文分解,判断是否地址加载报文,如果是,则更新边缘网关状态表,如果不是,则执行步骤3b2;Step 3b1, decompose the message, judge whether the address loads the message, if yes, update the edge gateway state table, if not, then perform step 3b2; 步骤3b2,判断是否协议加载报文,如果是,则加载协议,如果不是,则执行网关指令;Step 3b2, judging whether the protocol loads the message, if yes, load the protocol, if not, execute the gateway command; 步骤3b3将报文地址进行转化,输出到缓冲队列。Step 3b3 converts the message address and outputs it to the buffer queue. 16、根据权利要求14所述的航空专用网间通信方法,其特征在于:所述的步骤二中,宿主网关对链路状态报文的处理,包括如下步骤:链路报文处理模块收到链路状态报文后,从边缘网关状态表中获得当前边缘网关信息,变更路由表,得到新的路由表,实现了宿主网关路由表的实时更新。16. The method for communication between aviation-specific networks according to claim 14, characterized in that: in said step 2, the processing of the link state message by the host gateway includes the following steps: the link message processing module receives After the link state message, the current edge gateway information is obtained from the edge gateway state table, the routing table is changed, and a new routing table is obtained, which realizes the real-time update of the host gateway routing table.
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