CN102571999A - Method and system for data transmission and access gateway - Google Patents
Method and system for data transmission and access gateway Download PDFInfo
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- CN102571999A CN102571999A CN2010106186839A CN201010618683A CN102571999A CN 102571999 A CN102571999 A CN 102571999A CN 2010106186839 A CN2010106186839 A CN 2010106186839A CN 201010618683 A CN201010618683 A CN 201010618683A CN 102571999 A CN102571999 A CN 102571999A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/102—Gateways
- H04L65/1033—Signalling gateways
- H04L65/1036—Signalling gateways at the edge
Abstract
The invention discloses a method and a system for data transmission and an access gateway. An isomerous network access gateway is configured between an identity position separation network and a traditional network and used for configuring an internet protocol (IP) address in the traditional network for a business server in the identity position separation network, a server mapping table and a client mapping table are configured in the isomerous network access gateway, mapping relation of identification (AID) of the business server and the IP address is recorded in the server mapping table, and mapping relation of a client AID and the IP address is recorded in the client mapping table. The isomerous network access gateway achieves data transmission between a client in the traditional network and the business server in the identity position separation network according to the server mapping table and the client mapping table. The isomerous network access gateway is arranged between the traditional network and the identity position separation network, and the client in the traditional network can access the business server in a specific identity position separation network.
Description
Technical field
The present invention relates to the identity locator separation network, relate in particular to a kind of data transmission method, system and IAD.
Background technology
IP address in the widely used ICP/IP protocol in existing internet has dual-use function, both as the station location marker of communication terminal host network interface in network topology of network layer, again as the identify label of transport layer host network interface.Do not consider the situation that main frame moves at the beginning of the ICP/IP protocol design.But when main frame moved more and more generally, the semanteme overload defective of this IP address was obvious day by day.When the IP address of main frame changed, not only route will change, and the identify label of communication terminal main frame also changes, and can cause routing overhead more and more heavier like this, and the variation of host identification can cause using and the interruption that is connected.
The purpose that identify label and position separating problem propose be for the semanteme overload and the routing overhead that solve the IP address serious; Security problems; The dual-use function of IP address is separated, realize the support that the problems such as exchanging visit between the heterogeneous networks zone in routing overhead and the Next Generation Internet are dynamically heavily distributed, alleviated in mobility, many locals property, IP address.
The implementation method of IP based network router is one of solution of relevant identify label and position separating, and its network frame is as shown in Figure 1, and the logic function of each network element is following among the figure:
Insert support node (ASN); The access support node is responsible for various portable terminals provides access service; The user's distributing user identify label (AID) and the route station location marker (RID) that be to insert, and the user's data message is identified encapsulation then in core net, transmit.
The mapping relations of User Identity and route station location marker in the maintaining network mainly are responsible on the mapping plane, and to ASN and other mapping server inquiry service are provided.The mapping plane is made up of a plurality of identity location registers (ILR), the ASN query communication to the end position process in, if ASN this locality does not have the route positional information of Correspondent Node, just go to search through shining upon the plane.
Authentication center is responsible for information such as recording user classification, user's grade of service, when the user inserts, the user is carried out the legitimacy authentication and authorization.Bi-directional authentification between authentication center's network enabled and user.
IP backbone is the internet between the ASN, and major function is to carry out routing and transmit data message according to the route station location marker in the data message, and the data message forwarding of sending ASN arrives correct destination; IP network is made up of core TSR (CSR).With present networks is the same, need not carry out any modification.
Interworking gateway (ISN) is the intercommunication node of identity locator separation network and other networks, and two types of various network must be carried out mutual communication through ISN.
Wireless network, be responsible for providing and the maintenance customer terminal to two layers of link between the ASN, in cellular mobile network, be responsible for functions such as allocation of radio resources and management.The wireless network here can be wireless networks such as WCDMA, TD-SCDMA, CDMA2000 or LTE.
The information of on ASN, preserving all Correspondent Nodes (CN) for each local portable terminal (MN) that inserts; When the position of portable terminal changes; New ASN can notify the ASN to the Correspondent Node place with the route station location marker at terminal; Correspondent Node has when a lot, need notify each CN, guarantees that each CN can send to correct ASN with data message.
In order to make full use of existing backbone network, the packet between the ASN is the IP bag of standard, assurance can the enterprising walking along the street of IP backbone network by.
Summary of the invention
The technical problem that the present invention will solve provides a kind of data transmission method, system and IAD, realizes the intercommunication of legacy network and identity locator separation network.
For solving the problems of the technologies described above, a kind of data transmission method of the present invention disposes the rete mirabile IAD between identity locator separation network and legacy network, is the IP address in the configuration of the service server in the identity locator separation network legacy network;
Configuration server mapping table and client mapping table in the rete mirabile IAD, the mapping relations of identify label of record traffic server (AID) and IP address in the server mapping table; The AID of record client and the mapping relations of IP address in the client mapping table;
The rete mirabile IAD is according to server mapping table and client mapping table, realizes client and the transfer of data of the service server in the identity locator separation network in the legacy network.
Further; The rete mirabile IAD disposes the IP address of corresponding legacy network and the route station location marker (RID) of corresponding identity locator separation network; Service server in the identity locator separation network passes through RID; Send the data to the rete mirabile IAD, the client in the legacy network sends the data to this rete mirabile IAD through the IP address of rete mirabile IAD.
Further, the rete mirabile IAD realizes that the step of transfer of data comprises:
Client is sent the IP packet to the rete mirabile IAD, and the source address of this IP packet is the IP address of this client, and destination address is the IP address of the destination server in the identity locator separation network;
After the rete mirabile IAD receives the IP packet; From server mapping table, search the corresponding AID in IP address of destination server according to destination address; And be that client distributes AID; In the client mapping table, add the IP address of this client and the mapping relations of AID, the source address and the destination address of IP packet replaced with the AID of client and the AID of destination server respectively, this IP packet is sent to destination server.
Further, this method also comprises:
After destination server receives the IP packet, send the packet of response to client, the destination address of the packet of this response is the AID of client, and source address is the AID of this destination server;
After the rete mirabile IAD receives the packet of response, from server mapping table and client mapping table, search the IP address of destination server and client respectively according to source address and destination address; Source address and the destination address of the packet of response replaced with the destination server that finds and the IP address of client respectively, and the packet that will respond sends to client.
Further, the rete mirabile IAD comprises the step that the IP packet sends to destination server:
The corresponding RID of AID of destination server is searched on the mapping plane of rete mirabile IAD from the identity locator separation network, according to this RID the IP packet is sent to destination server.
Further, this method also comprises:
The domain name of the service server on the domain name system in legacy network (DNS) server in the configuration identity locator separation network and the corresponding relation of IP address;
Client is through the IP packet of this dns server to rete mirabile IAD transmission domain name definite object server, and this dns server is the IP address with the domain name mapping of destination server.
Further, a kind of data transmission method in order to the visit of the client in the realization legacy network to the service server in the identity locator separation network, comprising:
After rete mirabile IAD between legacy network and the identity locator separation network receives the IP packet of client; It is the AID that distributes of client and the AID of destination server that the source address of this IP packet and destination address are replaced with this rete mirabile IAD respectively, and this IP packet is sent to destination server.
Further, a kind of data transmission method in order to the visit of the client in the realization legacy network to the service server in the identity locator separation network, comprising:
After rete mirabile IAD between legacy network and the identity locator separation network receives the packet of the response that the destination server in the identity locator separation network sends; With the source address of the packet of this response and the IP address that destination address replaces with destination server and client respectively, and the packet that will respond sends to client.
Further, a kind of data transmission system comprises: identity locator separation network, rete mirabile IAD and legacy network, rete mirabile IAD are arranged between identity locator separation network and the legacy network, wherein:
Service server in the identity locator separation network disposes the IP address in identify label (AID) and the legacy network;
Dispose server mapping table and client mapping table in the rete mirabile IAD, record the AID of service server and the mapping relations of IP address in the server mapping table; Record the AID of client and the mapping relations of IP address in the client mapping table.
Further, the rete mirabile IAD is used for according to server mapping table and client mapping table, the client in the realization legacy network and the transfer of data of the service server in the identity locator separation network.
Further; The rete mirabile IAD disposes the IP address of corresponding legacy network and the route station location marker (RID) of corresponding identity locator separation network; Service server in the identity locator separation network passes through RID; Send the data to the rete mirabile IAD, the client in the legacy network sends the data to this rete mirabile IAD through the IP address of rete mirabile IAD.
Further, a kind of data transmission system comprises: identity locator separation network, rete mirabile IAD and legacy network, rete mirabile IAD are arranged between identity locator separation network and the legacy network, wherein:
Client in the legacy network is used for sending the IP packet to the rete mirabile IAD, and the source address of this IP packet is the IP address of this client, and destination address is the IP address of the destination server in the identity locator separation network;
The rete mirabile IAD; Be used for after receiving the IP packet of client; It is the AID that distributes of client and the AID of destination server that the source address of this IP packet and destination address are replaced with this rete mirabile IAD respectively, and this IP packet is sent to destination server.
Further; The rete mirabile IAD is after receiving the IP packet; From pre-configured server mapping table, search the corresponding AID in IP address of destination server according to destination address; And, in pre-configured client mapping table, add the IP address of this client and the mapping relations of AID, and source address and the destination address carried out the IP packet replace with the AID of client and the AID of destination server respectively for client distribution AID.
Further, a kind of data transmission system comprises: identity locator separation network, rete mirabile IAD and legacy network, rete mirabile IAD are arranged between identity locator separation network and the legacy network, wherein:
Destination server in the identity locator separation network is used for after receiving the IP packet, and the client in legacy network is sent the packet of response, and the destination address of the packet of this response is the AID of client, and source address is the AID of this destination server;
The rete mirabile IAD; Be used for behind the packet of the response that the destination server that receives the identity locator separation network sends; With the source address of the packet that responds and the IP address that destination address replaces with destination server and client respectively, and the packet that will respond sends to client.
Further; The rete mirabile IAD is after receiving the packet of response; From pre-configured server mapping table and client mapping table, search the IP address of destination server and client respectively according to source address and destination address, and carry out the source address of the packet that responds and the IP address that destination address replaces with destination server and client respectively.
Further, a kind of IAD in order to the visit of the client in the realization legacy network to the service server in the identity locator separation network, comprising: address maintenance unit, address mapping unit and data transmission unit, wherein:
The address maintenance unit is used for configuration server mapping table and client mapping table, records the identify label (AID) of the service server in the identity locator separation network and the mapping relations of IP address in the server mapping table; Record the AID of the client in the legacy network and the mapping relations of IP address in the client mapping table;
Address mapping unit is used for according to server mapping table and client mapping table, with the address in the packet, shines upon conversion between address in the identity locator separation network and the address in the legacy network;
Data transmission unit is used for that address mapping unit is accomplished mapping data converted bag and sends to the destination server of identity locator separation network or the client in the legacy network.
Further, the address maintenance unit, the client that also is used in the legacy network is distributed AID, and in the client mapping table, adds the IP address of this client and the mapping relations of AID;
Behind the IP packet of the client of address mapping unit in receiving legacy network, it is the AID that distributes of client and the AID of the service server in the identity locator separation network that the source address of this IP packet and destination address are replaced with the address maintenance unit respectively.
Further; Address mapping unit is after receiving the IP packet; From server mapping table, search the corresponding AID in IP address of destination server according to destination address; From the client mapping table, search the corresponding AID in IP address of client, and source address and the destination address carried out the IP packet replace with the AID of client and the AID of destination server respectively.
Further, address mapping unit also is used for behind the packet of the response that the destination server that receives the identity locator separation network sends, with the source address of the packet of this response and the IP address that destination address replaces with destination server and client respectively.
Further; Address mapping unit is after receiving the packet of response; From server mapping table and client mapping table, search the IP address of destination server and client respectively according to source address and destination address, and carry out the source address of the packet that responds and the IP address that destination address replaces with destination server and client respectively.
In sum; The present invention is through being provided with the rete mirabile IAD between legacy network and identity locator separation network; This IAD possesses the dual address of IP address and AID; Make the client in the legacy network can visit the service server in the specific identity locator separation network,, satisfy the needs that identity locator separation network and legacy network are exchanged visits as long as the service server in this identity locator separation network has disposed the IP address in the rete mirabile IAD.
Description of drawings
Fig. 1 is the Organization Chart of existing identity locator separation network;
Fig. 2 is the Organization Chart of the data transmission system of this execution mode;
Fig. 3 is the sketch map of the server mapping table in the rete mirabile IAD in this execution mode;
Fig. 4 is the sketch map of the client mapping table in the rete mirabile IAD in this execution mode;
Fig. 5 is the sketch map that client is sent data in the data transmission method of this execution mode to destination server;
Fig. 6 is the sketch map that destination server sends data in the data transmission method of this execution mode to client;
Fig. 7 is the sketch map of the IAD of this execution mode.
Embodiment
This execution mode has proposed the method for the application server in a kind of legacy network client-access identity locator separation network, through disposing gateway, makes the legacy network client can pass through the application server in this gateway access identity and the locator separation network.Below the gateway of disposing is called the rete mirabile IAD, rete mirabile IAD and traditional IP and identity locator separation network are simultaneously interconnected; In the rete mirabile IAD, dispose the resource of accesses identity locator separation network, comprise management and the functions such as collection of conversion, routing management and charge information of the sign of client.
As shown in Figure 2, the rete mirabile IAD is positioned at the edge of traditional IP and identity locator separation network, and these two Operational Visits that network carries out need through this gateway.
The rete mirabile IAD has two network addresss at least, is respectively IP address and the RID in the identity locator separation network in the traditional IP, and this gateway can be visited two networks simultaneously, and the address field of two addresses can not conflict each other.Service server in the identity locator separation network sends the data to the rete mirabile IAD through the RID of rete mirabile IAD, and the client in the legacy network sends the data to the rete mirabile IAD through the IP address of rete mirabile IAD.
In order to communicate through the rete mirabile IAD; On gateway, need the configuration server mapping table; The AID of the service server in the record identity locator separation network and the mapping relations of IP address, and configuration client end mapping table, the IP address of record legacy network client and the mapping relations of AID.
Shown in Figure 3 is server mapping table; Server mapping table is the mapping relations table of the AID of the service server in the identity locator separation network and the IP address in the legacy network; If each application server allows legacy network that it is conducted interviews, so just need on the xenogenesis IAD, distribute an IP address to him, this IP address and AID are static relations; Know that the IP address just can know AID, vice versa.
Shown in Figure 4 is the client mapping table, employed address mapping relation table when the client mapping table is legacy network client-access identity locator separation network.During legacy network client-access identity locator separation network, itself needs an AID, and this AID can give the user interim distribution on gateway; Also can bind; Set up the IP address of client and the corresponding relation of the AID that this client is used; An IP address is corresponding with an AID; The shortcoming of binding is the legacy network client not during the accesses identity locator separation network, and its AID uses for other clients, and there is the situation of waste in AID.Gateway is that the legacy network client is distributed under the situation of AID temporarily, and after the service ending on this accesses identity locator separation network of client, this AID uses for other clients, can reduce the number of AID on the gateway.
During service server in the legacy network client-access identity locator separation network; Its destination address is the IP address of service server, and the user can directly import the IP address that the IP address also can obtain service server according to DNS (domain name system) server parses.When the data of legacy network client sent to the rete mirabile IAD, the rete mirabile IAD was searched server mapping table, obtained the corresponding AID (purpose AID) in IP address; Distribute an AID (source AID) for the legacy network client simultaneously; After obtaining two AID, can carry out the modification in packet header to the IP bag that the legacy network client is sent, respectively with source IP address, purpose IP address replaces with source AID and purpose AID; Again the IP bag is sent to destination server.The rete mirabile IAD receives after the packet that destination server returns, and from above-mentioned mapping table, finds corresponding source IP address and purpose IP address, carries out the address modification of heading, redispatches completion Operational Visit process to the legacy network client.
In order to realize the service server on the legacy network client-access identity locator separation network, need possess following condition:
For the corresponding IP address of the service server allocated legacy network in the identity locator separation network, distribute the AID in the identity locator separation network simultaneously.
Dispose the corresponding relation of server domain name and IP address on the dns server; The server that this IP address is pointed to is in the identity locator separation network; The user can pass through dns server, uses the server domain name access server, certainly; If need not use domain name, then on dns server, need not the corresponding relation of configuration server domain name and IP address.
Must the configuration server mapping table on the xenogenesis IAD and the client mapping table, server mapping table is the mapping relations table of the IP address of correspondence in AID and the legacy network of the service server in the identity locator separation network; Employed client address mapping relations table when the client mapping table is the server that is used on the conventional terminal accesses identity locator separation network.
Shown in Figure 5 is the method for the service server in the legacy network client-access identity locator separation network, and the handling process that the server of legacy network client in the identity locator separation network sends the IP packet comprises the steps:
Step 501: the legacy network client is initiated service request, sends the IP packet to the rete mirabile IAD, and the source address of this IP packet is the IP address of legacy network client, and destination address is the IP address of destination server;
Step 502: the rete mirabile IAD is searched server mapping table according to destination address after receiving the IP packet, finds the corresponding AID in IP address of destination server;
Step 503: the rete mirabile IAD distributes AID for the legacy network client, in the client mapping table, adds the IP address of this legacy network client and the corresponding relation of AID;
Step 504: the rete mirabile IAD replaces with the AID of legacy network client distribution and the AID of the destination server that finds respectively with the source address and the destination address of IP packet;
Step 505: the corresponding RID of purpose AID is searched on the mapping plane of rete mirabile IAD from the identity locator separation network, and the IP packet is sent to destination server.
Be illustrated in figure 6 as the method for the service server in the legacy network client-access identity locator separation network, the handling process that the server in the identity locator separation network sends the IP packet to the legacy network client comprises the steps:
Step 601: after destination server receives the IP packet of legacy network client; Carry out Business Processing; And send the packet of response to the legacy network client; The AID that the destination address of this packet distributes for the legacy network client for the rete mirabile IAD, source address is the AID of destination server;
Step 602: after the rete mirabile IAD receives the packet of destination server, search server mapping table and client mapping table respectively, obtain the IP address of destination server and the IP address of legacy network client according to source address and destination address;
Step 603: the IP address that the rete mirabile IAD replaces with the destination server that finds respectively with the source address and the destination address of the packet of destination server and the IP address of legacy network client;
Step 604: the rete mirabile IAD sends to the legacy network client through the packet of the response that traditional I P network sends destination server.
Fig. 7 is the IAD of this execution mode, comprising: address maintenance unit, address mapping unit and data transmission unit, wherein:
The address maintenance unit is used for configuration server mapping table and client mapping table, the identify label (AID) of the service server in the server mapping table in the record identity locator separation network and the mapping relations of IP address; The AID of the client in the client mapping table in the record legacy network and the mapping relations of IP address;
Address mapping unit is used for according to server mapping table and client mapping table, with carrying out the map addresses conversion between address and the address in the legacy network of the address in the packet in the identity locator separation network;
Data transmission unit is used for that address mapping unit is accomplished map addresses data converted bag and sends to the service server of identity locator separation network or the client in the legacy network.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention, each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, perhaps they are made into each integrated circuit modules respectively, perhaps their a plurality of modules or step is made into the single integrated circuit module and realize by calculation element.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely embodiments of the invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (20)
1. data transmission method is characterized in that:
Configuration rete mirabile IAD between identity locator separation network and legacy network is the IP address in the configuration of the service server in the said identity locator separation network legacy network;
Configuration server mapping table and client mapping table in said rete mirabile IAD, the identify label (AID) of the said service server of record and the mapping relations of IP address in the said server mapping table; The AID of the said client of record and the mapping relations of IP address in the said client mapping table;
Said rete mirabile IAD is according to said server mapping table and client mapping table, realizes client and the transfer of data of the service server in the said identity locator separation network in the said legacy network.
2. the method for claim 1; It is characterized in that; Said rete mirabile IAD disposes the IP address of corresponding legacy network and the route station location marker (RID) of corresponding identity locator separation network, and the service server in the said identity locator separation network sends the data to said rete mirabile IAD through said RID; Client in the said legacy network sends the data to this rete mirabile IAD through the IP address of said rete mirabile IAD.
3. method as claimed in claim 2 is characterized in that, said rete mirabile IAD realizes that the step of said transfer of data comprises:
Said client is sent the IP packet to said rete mirabile IAD, and the source address of this IP packet is the IP address of this client, and destination address is the IP address of the destination server in the said identity locator separation network;
After said rete mirabile IAD receives said IP packet; From said server mapping table, search the corresponding AID in IP address of said destination server according to destination address; And be that said client is distributed AID; In said client mapping table, add the IP address of this client and the mapping relations of AID, the source address and the destination address of said IP packet replaced with the AID of said client and the AID of destination server respectively, this IP packet is sent to said destination server.
4. method as claimed in claim 3 is characterized in that, this method also comprises:
After said destination server receives said IP packet, send the packet of response to said client, the destination address of the packet of this response is the AID of said client, and source address is the AID of this destination server;
After said rete mirabile IAD receives the packet of said response, from said server mapping table and client mapping table, search the IP address of said destination server and client respectively according to source address and destination address; The source address of the packet of said response and destination address are replaced with the destination server that finds and the IP address of client respectively, and the packet that will respond sends to said client.
5. method as claimed in claim 3 is characterized in that, said rete mirabile IAD comprises the step that said IP packet sends to said destination server:
The corresponding RID of AID of said destination server is searched on the mapping plane of said rete mirabile IAD from said identity locator separation network, according to this RID said IP packet is sent to said destination server.
6. method as claimed in claim 3 is characterized in that, this method also comprises:
The domain name of the service server on the domain name system in said legacy network (DNS) server in the said identity locator separation network of configuration and the corresponding relation of IP address;
Said client is sent the IP packet that domain name is pointed to said destination server through this dns server to said rete mirabile IAD, and this dns server is the IP address with the domain name mapping of said destination server.
7. data transmission method, in order to realize that client in the legacy network to the visit of the service server in the identity locator separation network, comprising:
After rete mirabile IAD between said legacy network and the said identity locator separation network receives the IP packet of said client; It is the AID that distributes of said client and the AID of destination server that the source address of this IP packet and destination address are replaced with this rete mirabile IAD respectively, and this IP packet is sent to said destination server.
8. data transmission method, in order to realize that client in the legacy network to the visit of the service server in the identity locator separation network, comprising:
After rete mirabile IAD between said legacy network and the said identity locator separation network receives the packet of the response that the destination server in the said identity locator separation network sends; With the source address of the packet of this response and the IP address that destination address replaces with said destination server and client respectively, and the packet that will respond sends to said client.
9. data transmission system, comprising: identity locator separation network, rete mirabile IAD and legacy network, said rete mirabile IAD are arranged between said identity locator separation network and the said legacy network, wherein:
Service server in the said identity locator separation network disposes the IP address in identify label (AID) and the legacy network;
Dispose server mapping table and client mapping table in the said rete mirabile IAD, record the AID of said service server and the mapping relations of IP address in the said server mapping table; Record the AID of said client and the mapping relations of IP address in the said client mapping table.
10. system as claimed in claim 9 is characterized in that:
Said rete mirabile IAD is used for according to said server mapping table and client mapping table, realizes client and the transfer of data of the service server in the said identity locator separation network in the said legacy network.
11. system as claimed in claim 9 is characterized in that:
Said rete mirabile IAD disposes the IP address of corresponding legacy network and the route station location marker (RID) of corresponding identity locator separation network; Service server in the said identity locator separation network is through said RID; Send the data to said rete mirabile IAD; Client in the said legacy network sends the data to this rete mirabile IAD through the IP address of said rete mirabile IAD.
12. a data transmission system comprises: identity locator separation network, rete mirabile IAD and legacy network, said rete mirabile IAD are arranged between said identity locator separation network and the said legacy network, wherein:
Client in the said legacy network is used for sending the IP packet to said rete mirabile IAD, and the source address of this IP packet is the IP address of this client, and destination address is the IP address of the destination server in the said identity locator separation network;
Said rete mirabile IAD; Be used for after receiving the IP packet of said client; It is the AID that distributes of said client and the AID of said destination server that the source address of this IP packet and destination address are replaced with this rete mirabile IAD respectively, and this IP packet is sent to said destination server.
13. system as claimed in claim 12 is characterized in that:
Said rete mirabile IAD is after receiving said IP packet; From pre-configured server mapping table, search the corresponding AID in IP address of said destination server according to destination address; And be that said client is distributed AID; In pre-configured client mapping table, add the IP address of this client and the mapping relations of AID, and carry out said source address and destination address and replace with the AID of said client and the AID of destination server respectively said IP packet.
14. a data transmission system comprises: identity locator separation network, rete mirabile IAD and legacy network, said rete mirabile IAD are arranged between said identity locator separation network and the said legacy network, wherein:
Destination server in the said identity locator separation network; Be used for after receiving the IP packet; Client in said legacy network is sent the packet of response, and the destination address of the packet of this response is the AID of said client, and source address is the AID of this destination server;
Said rete mirabile IAD; Be used for behind the packet of the response that the destination server that receives said identity locator separation network sends; With the source address of the packet of said response and the IP address that destination address replaces with said destination server and client respectively, and the packet that will respond sends to said client.
15. system as claimed in claim 14 is characterized in that:
Said rete mirabile IAD is after receiving the packet of said response; From pre-configured server mapping table and client mapping table, search the IP address of said destination server and client respectively according to source address and destination address, and carry out the source address of said packet with said response and the IP address that destination address replaces with said destination server and client respectively.
16. an IAD in order to the visit of the client in the realization legacy network to the service server in the identity locator separation network, comprising: address maintenance unit, address mapping unit and data transmission unit, wherein:
Said address maintenance unit is used for configuration server mapping table and client mapping table, records the identify label (AID) of the service server in the said identity locator separation network and the mapping relations of IP address in the said server mapping table; Record the AID of the client in the said legacy network and the mapping relations of IP address in the said client mapping table;
Said address mapping unit is used for according to said server mapping table and client mapping table, with the address in the packet, shines upon conversion between address in said identity locator separation network and the address in the legacy network;
Said data transmission unit is used for that said address mapping unit is accomplished mapping data converted bag and sends to the destination server of identity locator separation network or the client in the legacy network.
17. IAD as claimed in claim 16 is characterized in that:
Said address maintenance unit, the client that also is used in the said legacy network is distributed AID, and in said client mapping table, adds the IP address of this client and the mapping relations of AID;
Behind the IP packet of the client of said address mapping unit in receiving said legacy network, it is the AID that distributes of said client and the AID of the service server in the said identity locator separation network that the source address of this IP packet and destination address are replaced with said address maintenance unit respectively.
18. IAD as claimed in claim 17 is characterized in that:
Said address mapping unit is after receiving said IP packet; From said server mapping table, search the corresponding AID in IP address of said destination server according to destination address; From said client mapping table, search the corresponding AID in IP address of said client, and carry out said source address and destination address and replace with the AID of said client and the AID of destination server respectively said IP packet.
19. IAD as claimed in claim 16 is characterized in that:
Said address mapping unit; Also be used for behind the packet of the response that the destination server that receives said identity locator separation network sends, with the source address of the packet of this response and the IP address that destination address replaces with said destination server and client respectively.
20. IAD as claimed in claim 19 is characterized in that:
Said address mapping unit is after receiving the packet of said response; From said server mapping table and client mapping table, search the IP address of said destination server and client respectively according to source address and destination address, and carry out the source address of said packet with said response and the IP address that destination address replaces with destination server and client respectively.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010618683.9A CN102571999B (en) | 2010-12-31 | 2010-12-31 | A kind of data transmission method, system and IAD |
| PCT/CN2011/077880 WO2012088882A1 (en) | 2010-12-31 | 2011-08-01 | Method and system for data transmission, and access gateway |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010618683.9A CN102571999B (en) | 2010-12-31 | 2010-12-31 | A kind of data transmission method, system and IAD |
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| CN102571999A true CN102571999A (en) | 2012-07-11 |
| CN102571999B CN102571999B (en) | 2016-03-30 |
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Also Published As
| Publication number | Publication date |
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| CN102571999B (en) | 2016-03-30 |
| WO2012088882A1 (en) | 2012-07-05 |
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