CN109347850A - Realize the converged network and method of ICN and TCP/IP network interworking - Google Patents
Realize the converged network and method of ICN and TCP/IP network interworking Download PDFInfo
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- CN109347850A CN109347850A CN201811307659.6A CN201811307659A CN109347850A CN 109347850 A CN109347850 A CN 109347850A CN 201811307659 A CN201811307659 A CN 201811307659A CN 109347850 A CN109347850 A CN 109347850A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
- H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2101/00—Indexing scheme associated with group H04L61/00
- H04L2101/60—Types of network addresses
- H04L2101/668—Internet protocol [IP] address subnets
Abstract
The embodiment of the invention provides a kind of converged network and method for realizing ICN Yu TCP/IP network interworking, the network architecture of converged network provided in an embodiment of the present invention are as follows: using the TCP/IP network in existing application as backbone network, some ICN networks are deployed in edge net, compared to existing using ICN network as the converged network of backbone network, converged network provided in an embodiment of the present invention, it is much smaller to the change of the TCP/IP network architecture in existing application, therefore, it can use the TCP/IP network architecture in existing application, fairly large realization ICN network and the TCP/IP network integration.
Description
Technical field
The present invention relates to ICN network and TCP/IP network integration interworking technology field, more particularly to a kind of realization ICN with
The converged network and method of TCP/IP network interworking.
Background technique
Existing realization information centre network (Information-Centric-Network, ICN) and TCP/IP network
The network architecture for merging intercommunication, usually using ICN network as backbone network, using TCP/IP network as edge network, i.e. IP-ICN-
The network architecture of IP only supports a kind of communication pattern: IP-ICN-IP under the network architecture.Wherein, ICN network is based on user
The oriented Internet Architecture that content of concern carries out data transmission, TCP/IP network are carried out data transmission based on IP address
Oriented Internet Architecture.
However, inventor has found in the implementation of the present invention, the prior art at least has the disadvantage in that ICN network
It is a kind of Future network architectures also in conceptual phase, and TCP/IP network is the mature existing network frame to have come into operation
Structure needs an incremental process with the mature existing network of the future network substitution in conceptual phase, thus, with
ICN network is backbone network, relatively difficult when realizing ICN network with TCP/IP network integration intercommunication on a large scale.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of converged network for realizing ICN and TCP/IP network interworking and side
Method solves the problems, such as to realize that ICN network and TCP/IP network integration intercommunication difficulty are big on a large scale to realize.Specific technical solution is such as
Under:
In order to achieve the above object, in a first aspect, the embodiment of the invention provides a kind of realization ICN and TCP/IP network
The converged network of intercommunication, the converged network include: a TCP/IP backbone network, multiple edge ICN networks and multiple first sides
Boundary's gateway;Each edge ICN network is connect by first borde gateway with TCP/IP backbone network communication;
Source edge ICN network in each edge ICN network requests to generate comprising in target data according to user
The ICN protocol formatted data request for holding name, is sent to the first borde gateway of source for communicating with connection;
First borde gateway of source receives and communicates with the ICN protocol format number that the source edge ICN network of connection is sent
According to request;According to the prefix of the content name for the target data for including in the request of data, according to preset content name prefix with
The corresponding relationship of first borde gateway IP address, determines the IP address of the first borde gateway of purpose;The request of data is converted
For using the IP address of this first borde gateway as source IP address, the IP address of the first borde gateway of purpose is purpose IP address
The request of ICP/IP protocol formatted data, is sent to TCP/IP backbone network;
The TCP/IP backbone network, the data for receiving the ICP/IP protocol format that first borde gateway of source is sent are asked
It asks;According to the IP address for the first borde gateway of purpose for including in the request of data, the request of data is sent to purpose
First borde gateway;
First borde gateway of purpose receives the ICP/IP protocol formatted data that the TCP/IP backbone network is sent and asks
It asks;The IP address of first borde gateway of source and the content name of the target data are obtained from the request of data;It saves
Corresponding relationship between the IP address of the first borde gateway of the content name of the target data and the source;By the request of data
Be converted to the request of ICN protocol formatted data;And the request of data is sent to the purpose edge ICN net for communicating with connection
Network;
The purpose edge ICN network receives the ICN protocol formatted data that first borde gateway of purpose is sent and asks
It asks;According to the request of data, data content corresponding with the content name of the target data is obtained;It will include the number of targets
According to content name and the data content request results, first borde gateway of purpose is returned to ICN protocol format;
First borde gateway of purpose further receives the ICN protocol format that the purpose edge ICN network returns and asks
Seek result;The content name for obtaining target data described in the request results, by preservation the target data content name with
Corresponding relationship between the IP address of first borde gateway of source obtains the IP address of first borde gateway of source;By institute
It states request results to be converted to using the IP address of this first borde gateway as source IP address, the IP address of first borde gateway of source
For the ICP/IP protocol format of purpose IP address;And the request results are back to the TCP/IP backbone network;
The TCP/IP backbone network further receives the ICP/IP protocol format that first borde gateway of purpose returns
Request results;According to the IP address for the first borde gateway of source for including in the request results, the request results are back to
The first borde gateway of source;
First borde gateway of source further receives the ICP/IP protocol format that the TCP/IP backbone network returns and asks
Seek result;It the request results is converted into ICN protocol format request results is back to and communicate with the source edge ICN net of connection
Network;
The source edge ICN network further receives and communicates with the ICN agreement that the first borde gateway of connection returns
The request results of format;And by the data content in the request results, export to user.
Optionally, the converged network further includes multiple TCP/IP edge networks and multiple the second boundary gateways;Each edge
TCP/IP network is connect by a second boundary gateway with TCP/IP backbone network communication;
Source edge ICN network in each edge ICN network requests to generate the system comprising target data according to user
The ICN protocol formatted data of one Resource Locator URL is requested, and the first borde gateway of source for communicating with connection is sent to;
First borde gateway of source receives and communicates with the ICN protocol formatted data that the edge ICN network of connection is sent
Request;The IP address of destination server is determined by domain name mapping according to the URL for including in the request of data;By the number
It is converted to according to request using the IP address of this first borde gateway as source IP address, the IP address of destination server is purpose IP address
ICP/IP protocol formatted data request, be sent to TCP/IP backbone network;
The TCP/IP backbone network, the data for receiving the ICP/IP protocol format that first borde gateway of source is sent are asked
It asks;According to the IP address for the destination server for including in the request of data, the IP address of purpose the second boundary gateway is determined, it will
The request of data is sent to purpose the second boundary gateway;
The purpose the second boundary gateway receives the ICP/IP protocol formatted data that the TCP/IP backbone network is sent and asks
It asks;And the request of data is sent to the purpose edge TCP/IP network for communicating with connection;
The purpose edge TCP/IP network receives the ICP/IP protocol format number that the purpose the second boundary gateway is sent
According to request;According to the request of data, data content corresponding with the URL is obtained from the destination server;Institute will be included
The request results of URL and the data content are stated, the purpose the second boundary gateway is returned to ICP/IP protocol format;
The purpose the second boundary gateway further receives the TCP/IP association that the purpose edge TCP/IP network returns
Discuss formatted request result;The request results are back to the TCP/IP backbone network;
The TCP/IP backbone network further receives the ICP/IP protocol format that the purpose the second boundary gateway returns
Request results;According to the source IP address in the request results, the request results are back to the first borde gateway of source;
First borde gateway of source further receives the ICP/IP protocol format that the TCP/IP backbone network returns and asks
Seek result;It the request results is converted into ICN protocol format request results is back to and communicate with the source edge ICN net of connection
Network;
The source edge ICN network further receives and communicates with the ICN agreement that the first borde gateway of connection returns
The request results of format;And by the data content in the request results, export to user.
Optionally, the source edge TCP/IP network in each edge TCP/IP network requests to generate packet according to user
The ICP/IP protocol formatted data of content name containing target data is requested, and the source the second boundary net for communicating with connection is sent to
It closes;
The source the second boundary gateway receives and communicates with the TCP/IP agreement that the edge TCP/IP network of connection is sent
Formatted data request;According to the prefix of the content name for the target data for including in the request of data, according to preset content name
The corresponding relationship of prefix and the first borde gateway IP address, determines the IP address of the first borde gateway of purpose;User will be issued to ask
The IP address for the client asked is source IP address, and the IP address of first borde gateway is the ICP/IP protocol of purpose IP address
Formatted data request, is sent to TCP/IP backbone network;
The TCP/IP backbone network, the data for receiving the ICP/IP protocol format that the source the second boundary gateway is sent are asked
It asks;According to the IP address for the first borde gateway of purpose for including in the request of data, the request of data is sent to purpose
First borde gateway;
First borde gateway of purpose receives the ICP/IP protocol formatted data that the TCP/IP backbone network is sent and asks
It asks;The IP address of the client and the content name of the target data are obtained from the request of data;Save the target
Corresponding relationship between the content name of data and the IP address of the client;The request of data is converted into ICN agreement lattice
Formula request of data;And the request of data is sent to the purpose edge ICN network for communicating with connection;
The purpose edge ICN network receives the ICN protocol formatted data that first borde gateway of purpose is sent and asks
It asks;According to the request of data, data content corresponding with the content name of the target data is obtained;It will include the number of targets
According to content name and the data content request results, first borde gateway of purpose is returned to ICN protocol format;
First borde gateway of purpose further receives the ICN protocol format that the purpose edge ICN network returns and asks
Seek result;The content name for obtaining target data described in the request results, by preservation the target data content name with
Corresponding relationship between the IP address of the client obtains the IP address of first borde gateway of source;The request is tied
Fruit is converted to using the IP address of this first borde gateway as source IP address, and the IP address of the client is purpose IP address
ICP/IP protocol format;And the request results are back to the TCP/IP backbone network;
The TCP/IP backbone network further receives the ICP/IP protocol format that first borde gateway of purpose returns
Request results;According to the IP address for the client for including in the request results, with determining the IP of the source the second boundary gateway
Location;The request results are back to the source the second boundary gateway;
The source the second boundary gateway further receives the ICP/IP protocol format that the TCP/IP backbone network returns and asks
Seek result;According to the IP address for the client for including in the request results, the request results are back to the company of communicating with
The source edge TCP/IP network connect;
The source edge TCP/IP network further receives and communicates with the TCP/ that the second boundary gateway of connection returns
The request results of IP agreement format;According to the IP address of the client, by the data content in the request results, export to
User.
Optionally, the converged network further includes an electronic equipment, connect with the TCP/IP backbone network communication;
When the converged network is added in each edge ICN network, first boundary for communicating with connection can be carried
The converged network is added in gateway, and is established and communicated to connect by first borde gateway and the converged network;
The electronic equipment, when the converged network is added in each edge ICN network, before distributing corresponding name for it
Sew;
The address IP of name prefix and its first included borde gateway that the edge ICN network is distributed,
It is sent to the first borde gateway and the second boundary gateway all in the converged network;
Every one first borde gateway and the second boundary gateway in the converged network receive the edge ICN network hair
The message sent, and by the IP address of the name prefix received and the first borde gateway, itself is stored in the form of key-value pair
Centralized manager table in;
First borde gateway of source or the source the second boundary gateway, according to the target data for including in request of data
Content name prefix, inquire the centralized manager table of itself;Prefix longest with the content name of the request of data is matched
Corresponding first borde gateway of name prefix IP address, determine for the purpose of the first borde gateway IP address.
Optionally, first borde gateway of purpose, in the request of data for receiving the TCP/IP backbone network transmission
When, by the IP address of the first borde gateway of the content name of the target data obtained from the request of data and source, with key-value pair
Form be stored in the interim mapping table of itself;
Or, by the IP address of the content name of the target data obtained from the request of data and client, with key-value pair
Form be stored in the interim mapping table of itself.
Second aspect, the embodiment of the invention provides a kind of communication means applied to above-mentioned converged network, this method, packets
It includes:
Source edge ICN network in each edge ICN network requests to generate comprising in target data according to user
The ICN protocol formatted data request for holding name, is sent to the first borde gateway of source for communicating with connection;
First borde gateway of source receives and communicates with the ICN protocol formatted data that the edge ICN network of connection is sent
Request;According to the prefix of the content name for the target data for including in the request of data, according to preset content name prefix and the
The corresponding relationship of one boundary gateway ip address, determines the IP address of the first borde gateway of purpose;The request of data is converted to
Using the IP address of this first borde gateway as source IP address, the IP address of the first borde gateway of purpose is the TCP/ of purpose IP address
The request of IP agreement formatted data, is sent to TCP/IP backbone network;
The TCP/IP backbone network, the data for receiving the ICP/IP protocol format that first borde gateway of source is sent are asked
It asks;According to the IP address for the first borde gateway of purpose for including in the request of data, the request of data is sent to purpose
First borde gateway;
First borde gateway of purpose receives the ICP/IP protocol formatted data that the TCP/IP backbone network is sent and asks
It asks;The IP address of first borde gateway of source and the content name of the target data are obtained from the request of data;It saves
Corresponding relationship between the IP address of the first borde gateway of the content name of the target data and the source;By the request of data
Be converted to the request of ICN protocol formatted data;And the request of data is sent to the purpose edge ICN net for communicating with connection
Network;
The purpose edge ICN network receives the ICN protocol formatted data that first borde gateway of purpose is sent and asks
It asks;According to the request of data, data content corresponding with the content name of the target data is obtained;It will include the number of targets
According to content name and the data content request results, first borde gateway of purpose is returned to ICN protocol format;
First borde gateway of purpose further receives the ICN protocol format that the purpose edge ICN network returns and asks
Seek result;The content name for obtaining target data described in the request results, by preservation the target data content name with
Corresponding relationship between the IP address of first borde gateway of source obtains the IP address of first borde gateway of source;By institute
It states request results to be converted to using the IP address of this first borde gateway as source IP address, the IP address of first borde gateway of source
For the ICP/IP protocol format of purpose IP address;And the request results are back to the TCP/IP backbone network;
The TCP/IP backbone network further receives the ICP/IP protocol format that first borde gateway of purpose returns
Request results;According to the IP address for the first borde gateway of source for including in the request results, the request results are back to
The first borde gateway of source;
First borde gateway of source further receives the ICP/IP protocol format that the TCP/IP backbone network returns and asks
Seek result;It the request results is converted into ICN protocol format request results is back to and communicate with the source edge ICN net of connection
Network;
The source edge ICN network further receives and communicates with the ICN agreement that the first borde gateway of connection returns
The request results of format;And by the data content in the request results, export to user.
Optionally, the converged network further include: multiple edge TCP/IP networks and multiple the second boundary gateways;Each side
Edge TCP/IP network is established by a second boundary gateway and the TCP/IP backbone network and is communicated to connect;
Source edge ICN network in each edge ICN network requests to generate the system comprising target data according to user
The ICN protocol formatted data of one Resource Locator URL is requested, and the first borde gateway of source for communicating with connection is sent to;
First borde gateway of source receives and communicates with the ICN protocol formatted data that the edge ICN network of connection is sent
Request;The IP address of destination server is determined by domain name mapping according to the URL for including in the request of data;By the number
It is converted to according to request using the IP address of this first borde gateway as source IP address, the IP address of destination server is purpose IP address
ICP/IP protocol formatted data request, be sent to TCP/IP backbone network;
The TCP/IP backbone network, the data for receiving the ICP/IP protocol format that first borde gateway of source is sent are asked
It asks;According to the IP address for the destination server for including in the request of data, the IP address of purpose the second boundary gateway is determined, it will
The request of data is sent to purpose the second boundary gateway;
The purpose the second boundary gateway receives the ICP/IP protocol formatted data that the TCP/IP backbone network is sent and asks
It asks;And the request of data is sent to the purpose edge TCP/IP network for communicating with connection;
The purpose edge TCP/IP network receives the ICP/IP protocol format number that the purpose the second boundary gateway is sent
According to request;According to the request of data, data content corresponding with the URL is obtained from the destination server;Institute will be included
The request results of URL and the data content are stated, the purpose the second boundary gateway is returned to ICP/IP protocol format;
The purpose the second boundary gateway further receives the TCP/IP association that the purpose edge TCP/IP network returns
Discuss formatted request result;The request results are back to the TCP/IP backbone network;
The TCP/IP backbone network further receives the ICP/IP protocol format that the purpose the second boundary gateway returns
Request results;According to the source IP address in the request results, the request results are back to the first borde gateway of source;
First borde gateway of source further receives the ICP/IP protocol format that the TCP/IP backbone network returns and asks
Seek result;It the request results is converted into ICN protocol format request results is back to and communicate with the source edge ICN net of connection
Network;
The source edge ICN network further receives and communicates with the ICN agreement that the first borde gateway of connection returns
The request results of format;And by the data content in the request results, export to user.
Optionally, the method, further includes:
Source edge TCP/IP network in each edge TCP/IP network, requesting to generate according to user includes number of targets
According to content name ICP/IP protocol formatted data request, be sent to the source the second boundary gateway for communicating with connection;
The source the second boundary gateway receives and communicates with the TCP/IP agreement that the edge TCP/IP network of connection is sent
Formatted data request;According to the prefix of the content name for the target data for including in the request of data, according to preset content name
The corresponding relationship of prefix and the first borde gateway IP address, determines the IP address of the first borde gateway of purpose;User will be issued to ask
The IP address for the client asked is source IP address, and the IP address of first borde gateway is the ICP/IP protocol of purpose IP address
Formatted data request, is sent to TCP/IP backbone network;
The TCP/IP backbone network, the data for receiving the ICP/IP protocol format that the source the second boundary gateway is sent are asked
It asks;According to the IP address for the first borde gateway of purpose for including in the request of data, the request of data is sent to purpose
First borde gateway;
First borde gateway of purpose receives the ICP/IP protocol formatted data that the TCP/IP backbone network is sent and asks
It asks;The IP address of the client and the content name of the target data are obtained from the request of data;Save the target
Corresponding relationship between the content name of data and the IP address of the client;The request of data is converted into ICN agreement lattice
Formula request of data;And the request of data is sent to the purpose edge ICN network for communicating with connection;
The purpose edge ICN network receives the ICN protocol formatted data that first borde gateway of purpose is sent and asks
It asks;According to the request of data, data content corresponding with the content name of the target data is obtained;It will include the number of targets
According to content name and the data content request results, first borde gateway of purpose is returned to ICN protocol format;
First borde gateway of purpose further receives the ICN protocol format that the purpose edge ICN network returns and asks
Seek result;The content name for obtaining target data described in the request results, by preservation the target data content name with
Corresponding relationship between the IP address of the client obtains the IP address of first borde gateway of source;The request is tied
Fruit is converted to using the IP address of this first borde gateway as source IP address, and the IP address of the client is purpose IP address
ICP/IP protocol format;And the request results are back to the TCP/IP backbone network;
The TCP/IP backbone network further receives the ICP/IP protocol format that first borde gateway of purpose returns
Request results;According to the IP address for the client for including in the request results, with determining the IP of the source the second boundary gateway
Location;The request results are back to the source the second boundary gateway;
The source the second boundary gateway further receives the ICP/IP protocol format that the TCP/IP backbone network returns and asks
Seek result;According to the IP address for the client for including in the request results, the request results are back to the company of communicating with
The source edge TCP/IP network connect;
The source edge TCP/IP network further receives and communicates with the TCP/ that the second boundary gateway of connection returns
The request results of IP agreement format;According to the IP address of the client, by the data content in the request results, export to
User.
Optionally, the converged network further includes an electronic equipment, connect with the TCP/IP backbone network communication;
When the converged network is added in each edge ICN network, first boundary for communicating with connection can be carried
The converged network is added in gateway, and is established and communicated to connect by first borde gateway and the converged network;
The electronic equipment, when the converged network is added in each edge ICN network, before distributing corresponding name for it
Sew;
The address IP of name prefix and its first included borde gateway that the edge ICN network is distributed,
It is sent to the first borde gateway and the second boundary gateway all in the converged network;
Every one first borde gateway and the second boundary gateway in the network receive what the edge ICN network was sent
Message, and by the IP address of the name prefix received and the first borde gateway, the collection of itself is stored in the form of key-value pair
In middle manager table;
First borde gateway of source or the source the second boundary gateway, according to the target data for including in request of data
Content name prefix, the step of determining the IP address of the first borde gateway of purpose, comprising:
According to the prefix of the content name for the target data for including in request of data, the centralized manager table of itself is inquired;
By the first borde gateway corresponding with the matched name prefix of prefix longest of the content name of the request of data
IP address, the IP address of the first borde gateway for the purpose of determining.
Optionally, first borde gateway of purpose, saves pair between the content name and IP address of the target data
The step of should being related to, comprising:
The TCP/IP backbone network is being received, when the request of data of transmission, by what is obtained from the request of data
The IP address of the first borde gateway of content name and source of target data, is stored in the interim mapping table of itself in the form of key-value pair
In;
Or, by the IP address of the content name of the target data obtained from the request of data and client, with key-value pair
Form be stored in the interim mapping table of itself.
A kind of converged network and method for realizing ICN Yu TCP/IP network interworking provided in an embodiment of the present invention, Ke Yishi
Source edge ICN network in existing each edge ICN network requests the ICN for generating the content name comprising target data according to user
Protocol formatted data request, is sent to the first borde gateway of source for communicating with connection;First borde gateway of source, receive with
The ICN protocol formatted data request that its edge ICN network communicated to connect is sent, according to the target for including in the request of data
The prefix of the content name of data determines mesh according to the corresponding relationship of preset content name prefix and the first borde gateway IP address
The first borde gateway IP address, the request of data is converted to using the IP address of this first borde gateway as source IP
Location, the IP address of the first borde gateway of purpose are that the ICP/IP protocol formatted data of purpose IP address is requested, and are sent to TCP/IP
Backbone network;The TCP/IP backbone network receives the data for the ICP/IP protocol format that first borde gateway of source is sent
Request, according to the IP address for the first borde gateway of purpose for including in the request of data, is sent to mesh for the request of data
The first borde gateway, first borde gateway of purpose receives the ICP/IP protocol lattice that the TCP/IP backbone network is sent
Formula request of data obtains the IP address of first borde gateway of source and the content of the target data from the request of data
Name, saves the corresponding relationship between the IP address of the first borde gateway of content name and the source of the target data, will be described
Request of data is converted to the request of ICN protocol formatted data, and the request of data is sent to the purpose side for communicating with connection
Edge ICN network;The purpose edge ICN network receives the ICN protocol formatted data that first borde gateway of purpose is sent
Request obtains data content corresponding with the content name of the target data, will include the target according to the request of data
The request results of the content name of data and the data content return to first boundary of purpose net with ICN protocol format
It closes;First borde gateway of purpose further receives the ICN protocol format request knot that the purpose edge ICN network returns
Fruit obtains the content name of target data described in the request results, by preservation the target data content name with it is described
Corresponding relationship between the IP address of the first borde gateway of source obtains the IP address of first borde gateway of source, asks by described in
Result is asked to be converted to using the IP address of this first borde gateway as source IP address, the IP address of first borde gateway of source is mesh
IP address ICP/IP protocol format, and the request results are back to the TCP/IP backbone network;The TCP/IP
Backbone network further receives the TCP/IP protocol format request results that first borde gateway of purpose returns, according to described
The request results are back to the first borde gateway of source, institute by the IP address for the first borde gateway of source for including in request results
The first borde gateway of source is stated, further receives the ICP/IP protocol formatted request that the TCP/IP backbone network returns as a result, will
The request results are converted to ICN protocol format request results and are back to the source edge ICN network for communicating with connection;It is described
Edge ICN network in source further receives the request knot for communicating with the ICN protocol format of the first borde gateway return of connection
Fruit, and by the data content in the request results, it exports to user.Since the backbone network of the embodiment of the present invention is still existing
TCP/IP network in only deploys some ICN networks in edge net, thus, net provided in an embodiment of the present invention
Network framework, compared to the network architecture of existing ICN and the TCP/IP network integration, to the TCP/IP network architecture in existing application
Change be much smaller, therefore, can use the TCP/IP network architecture in existing application, fairly large realization ICN network
With the TCP/IP network integration.Further, also due to the network architecture provided in an embodiment of the present invention is in existing application
The change of the TCP/IP network architecture is smaller, thus, it can be preferably compared to existing ICN and the network architecture of the TCP/IP network integration
Realization ICN net merged with what TCP/IP was netted.
Certainly, implement any of the products of the present invention or method it is not absolutely required at the same reach all the above excellent
Point.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is that a kind of network of the converged network provided in an embodiment of the present invention for realizing ICN and TCP/IP network interworking is opened up
Flutter structural schematic diagram;
Fig. 2 a is the interaction flow shown in Fig. 1 between the edge converged network Zhong Yuan ICN network and purpose edge ICN network
Figure;
Fig. 2 b is a kind of interaction concept schematic diagram of Fig. 2 a illustrated embodiment;
Fig. 3 is a kind of structural schematic diagram that the coding of content name is stored with ENPT data structure;
Fig. 4 a is the interaction flow shown in Fig. 1 between converged network source edge ICN network and purpose edge TCP/IP network
Figure;
Fig. 4 b is a kind of interaction concept schematic diagram of Fig. 4 a illustrated embodiment;
Fig. 5 a is the interaction flow shown in Fig. 1 between converged network source edge TCP/IP network and purpose edge ICN network
Figure;
Fig. 5 b is a kind of interaction concept schematic diagram of Fig. 5 a illustrated embodiment.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to solve the prior art, using ICN network as backbone network, ICN network and TCP/IP network are being realized on a large scale
Merge problem relatively difficult when intercommunication.Merging for ICN and TCP/IP network interworking is realized the embodiment of the invention provides a kind of
Network.
Referring to Fig. 1, the converged network, comprising: a TCP/IP backbone network, multiple edge ICN networks and multiple first
Borde gateway;Each edge ICN network is connect by first borde gateway with TCP/IP backbone network communication;
Wherein, it can only include router in TCP/IP backbone network, may include host and road in each edge network
By device.
Interacting between a and Fig. 2 b referring to fig. 2, the converged network Zhong Yuan edge ICN network and purpose edge ICN network
Journey are as follows:
S201: the source edge ICN network in each edge ICN network, requesting to generate according to user includes number of targets
According to content name ICN protocol formatted data request, be sent to the first borde gateway of source for communicating with connection.
For example, requesting the interest for generating the content name comprising target data according to user in a kind of specific embodiment
The request of data of packet form, for example, the request of data of an interest packet form can be with are as follows: ccnx:/global/Beijing/
Bupt/telecom/vedio/06, wherein the content name of target data in the request of data are as follows: ccnx:global Beijing
bupt telecom vedio 06。
S202: first borde gateway of source receives and communicates with the ICN agreement that the source edge ICN network of connection is sent
Formatted data request;According to the prefix of the content name for the target data for including in the request of data, according to preset content name
The corresponding relationship of prefix and the first borde gateway IP address, determines the IP address of the first borde gateway of purpose;
In one embodiment, an electronic equipment can be set up in the converged network, it is logical with TCP/IP backbone network
Letter connection;The electronic equipment is used for when the converged network is added in each edge ICN network, before distributing corresponding name for it
Sew.Multiple electronic equipments can certainly be set up, for being distributed for it when the converged network is added in each edge ICN network
Corresponding name prefix.The embodiment of the present invention does not limit the number for setting up electronic equipment.
In other embodiments, can also be in TCP/IP backbone network router or other equipment increase new function
Can, for distributing corresponding name prefix for it when the converged network is added in each edge ICN network.
The IP address of name prefix and its first included borde gateway that edge ICN network is distributed, sends
To borde gateway all in the converged network.Each borde gateway in the converged network is receiving edge ICN network
When the message of transmission, the IP address of the name prefix received and the first borde gateway can be stored in the form of key-value pair
In the centralized manager table of itself.In this way, the first borde gateway of source, according to the content for the target data for including in request of data
The prefix of name determines that the method for the IP address of the first borde gateway of purpose can be with are as follows: inquires the centralized manager table of itself, matches
When matched since root node, by the first boundary corresponding with the matched name prefix of prefix longest of the content name of request of data
The address IP of gateway, the IP address of the first borde gateway for the purpose of determining.
Specifically, improving inquiry velocity in order to when inquiring centralized manager table, CCT (Component can be used
Character Trie) structure, each section of content name is encoded, it is specific as shown in Table 1.It can use again
The data structure of ENPT (Encoded Name Prefix Trie), the structure organization that above-mentioned coding is set get up to deposit
Storage.Referring to Fig. 3, each circle is properly termed as a node in figure, the digital representation content name on each arrow it is a certain
The corresponding coding in part, the corresponding status code of the digital representation coding in each node, when matching by root node,
In, a node state code is for retrieving the searching route when node marking by root node.Status code can be to avoid
The Code conflicts of different levels.Using above-mentioned data structure, the storage table of construction suffers from terms of the lookup of list item and additions and deletions
Higher performance.Wherein, the query time complexity of the storage table are as follows: O (knlogm+klogM) adds or deletes list item
Time complexity are as follows: O (Nlogm+klogM).Wherein, k indicates that the average value for the number of levels that each content name contains, n indicate every
Part number number, the m for the content name that one level averagely contains indicate that each content name is detachable when sharp CCT encodes content name
The average value of part number, M indicate that each content name is detachable when storing using ENPT to encoded content name
The average value of part number, N indicate the average length of each content name.
Table one
Content name | Coding | Borde gateway IP |
/global | /1 | XXX.XXX.XXX.XXX |
/global/Beijing | /1/1 | XXX.XXX.XXX.XXX |
/global/Beijing/bupt | /1/1/1 | XXX.XXX.XXX.XXX |
/com/google | /2/4 | XXX.XXX.XXX.XXX |
/com/google/maps | /2/4/3 | XXX.XXX.XXX.XXX |
/cn/google/maps | /3/4/3 | XXX.XXX.XXX.XXX |
/cn/sina | /3/3 | XXX.XXX.XXX.XXX |
It is exemplified below an example, illustrates the mistake for determining the IP address of the first borde gateway of purpose according to the prefix of content name
Journey:
For example, in request of data target data content name are as follows: ccnx:global Beijing bupt telecom
The content name using separator "/" is boundary's dismantling into multiple portions by vedio 06, for example, dismantling is at ccnx:/global/
Beijing/bupt/telecom/vedio/06, then successively from root node ccnx:/global to each partial query
It corresponds to coding and its belonging status code, once some partial query is less than corresponding to the coding for encoding or inquiring
Status code is not inconsistent with required, then illustrates that it fails to match for the part, then, it returns to front and has completed matched longest part institute
Corresponding list item.For example, telecom this part it fails to match, then, return is ccnx:/global/Beijing/
The IP address of borde gateway corresponding to bupt.ICP/IP protocol lattice can be will convert into after the IP address for obtaining borde gateway
Formula request of data is sent to TCP/IP backbone network, for example, requesting method can be GET form, the ICP/IP protocol being converted into
Formatted data request can be with are as follows: GET/ccnx:/global/Beijing/bupt/telecom/vedio/06/HTTP/1.1,
In, " HTTP/1.1 " is the protocol version of TCP/IP.
Wherein, the content stored in centralized manager table does not have frequent change operation, and only when some edge, net is moved back
The converged network out, and the borde gateway in the converged network, after receiving the message that the edge network exits, just from itself
Centralized manager table in delete the corresponding list item of the edge network.
S203: the request of data is converted to the IP address with this first borde gateway by first borde gateway of source
For source IP address, the IP address of the first borde gateway of purpose is that the ICP/IP protocol formatted data of purpose IP address is requested, and is sent
To TCP/IP backbone network.
S204: the TCP/IP backbone network receives the ICP/IP protocol format that first borde gateway of source is sent
Request of data;According to the IP address for the first borde gateway of purpose for including in the request of data, the request of data is sent
To the first borde gateway of purpose.
S205: first borde gateway of purpose receives the ICP/IP protocol format that the TCP/IP backbone network is sent
Request of data;The IP address of first borde gateway of source and the content of the target data are obtained from the request of data
Name;Save the corresponding relationship between the IP address of the first borde gateway of content name and the source of the target data.
Wherein, the first borde gateway of purpose will be from the number when receiving the request of data of TCP/IP backbone network transmission
According to the IP address of the first borde gateway of content name and source of the target data obtained in request, it is stored in the form of key-value pair certainly
In the interim mapping table of body.The purpose that interim mapping table is set up at the first borde gateway is to guarantee the correct of request results
It returns.
In practical applications, interim mapping table can be similar with above-mentioned centralized manager table, using the structure of CCT, for
The each section of content name is encoded, then use ENPT data structure, the structure organization that above-mentioned coding is set get up into
Row storage.Unlike centralized manager table: the content stored in interim mapping table has frequent change operation, for example,
It, can be by request results have correctly returned in interim mapping table the corresponding table of request of data when receiving new request of data
New request of data is added in the interim mapping table by entry deletion.
S206: the request of data is converted to the request of ICN protocol formatted data by first borde gateway of purpose;And
The request of data is sent to the purpose edge ICN network for communicating with connection.
S207: the purpose edge ICN network receives the ICN protocol format number that first borde gateway of purpose is sent
According to request;According to the request of data, data content corresponding with the content name of the target data is obtained.
S208: the purpose edge ICN network, by asking for the content name comprising the target data and the data content
It asks as a result, returning to first borde gateway of purpose with ICN protocol format.
S209: first borde gateway of purpose further receives the ICN agreement that the purpose edge ICN network returns
Formatted request result;The content name for obtaining target data described in the request results, by the target data of preservation
Corresponding relationship between the IP address of the first borde gateway of source described in Rong Mingyu, with obtaining the IP of first borde gateway of source
Location.
Wherein, with above-mentioned the first borde gateway of source, according to the prefix of the content name for the target data for including in request of data,
Unlike the IP address for determining the first borde gateway of purpose, the first borde gateway of purpose is with obtaining the IP of the first borde gateway of source
The method of location can be with are as follows: inquires the interim mapping table of itself, when matching matches since root node, by the content with request of data
The IP address of corresponding first borde gateway of name of the exact matching of name, is determined as the IP address of the first borde gateway of source.Such as
Fruit finds that some partial query of content name is less than status code corresponding to the coding for encoding or inquiring in query process
It is not inconsistent with required, then there is no the list item of exact matching, and above-mentioned inquiry centralized manager tables, in a certain portion of content name for explanation
When point it fails to match, returns to front and completed list item corresponding to matched longest part.Unlike, inquiry is temporarily reflected
Firing table, when it fails to match for certain a part of content name, return is to look for unsuccessfully reminding.
S210: first borde gateway of purpose is converted to the request results with the IP of this first borde gateway
Location is source IP address, and the IP address of first borde gateway of source is the ICP/IP protocol format of purpose IP address;And it will be described
Request results are back to the TCP/IP backbone network.
S211: the TCP/IP backbone network further receives the TCP/IP association that first borde gateway of purpose returns
Discuss formatted request result;According to the IP address for the first borde gateway of source for including in the request results, by the request results
It is back to the first borde gateway of source.
S212: first borde gateway of source further receives the ICP/IP protocol that the TCP/IP backbone network returns
Formatted request result;It the request results is converted into ICN protocol format request results is back to and communicate with the source side of connection
Edge ICN network.
S213: the source edge ICN network further receives and communicates with the ICN that the first borde gateway of connection returns
The request results of protocol format;And by the data content in the request results, export to user.
It wherein, can be according to the number recorded in PIT (Pending Interest Table) table in source edge ICN network
It is exported along road by the data content in request results to user according to the forwarding route of request.Source side is not limited in the present invention
In edge ICN network, the data content in request results is exported to the method for user, as long as can complete in source edge ICN network
It is interior, by the data content in request results, exports to the method for user, all fall in protection scope of the present invention.
A kind of converged network for realizing ICN Yu TCP/IP network interworking provided in an embodiment of the present invention, the converged network
The network architecture are as follows: using the TCP/IP network in existing application as backbone network, some ICN networks, phase are deployed in edge net
Compared with existing using ICN network as the converged network of backbone network, converged network provided in an embodiment of the present invention, to existing application
In the change of the TCP/IP network architecture be much smaller, therefore, can use the TCP/IP network architecture in existing application, it is larger
The realization ICN network of scale and the TCP/IP network integration.
Optionally, as shown in Figure 1, the converged network, can also include multiple TCP/IP edge networks and multiple second sides
Boundary's gateway;Each edge TCP/IP network is connect by a second boundary gateway with TCP/IP backbone network communication;
Friendship between a and Fig. 4 b referring to fig. 4, the converged network Zhong Yuan edge ICN network and purpose edge TCP/IP network
Mutual process are as follows:
S401: the source edge ICN network in each edge ICN network, requesting to generate according to user includes number of targets
According to uniform resource position mark URL ICN protocol formatted data request, be sent to the first boundary of the source net for communicating with connection
It closes.
For example, the URL (Uniform Resource Locator, uniform resource locator) of the requested resource of user is
Interest packet can be named as ccnx:/www/bupt/edu/cn/vedio1 by http://www.bupt.edu.cn/vedio1,
The wherein content name of the interest packet are as follows: ccnx:www bupt edu cn vedio1.
S402: first borde gateway of source receives and communicates with the ICN agreement lattice that the edge ICN network of connection is sent
Formula request of data;The IP address of destination server is determined by domain name mapping according to the URL for including in the request of data.
Specifically, according to the URL for including in request of data, by domain name mapping, destination server can be directly determined
IP address, thus, the address of purpose the second boundary gateway is obtained without inquiry manager mapping table.
S403: the request of data is converted to the IP address with this first borde gateway by first borde gateway of source
For source IP address, the IP address of destination server is that the ICP/IP protocol formatted data of purpose IP address is requested, and is sent to TCP/
IP backbone network.
Specifically, can be the first borde gateway of source when receiving above-mentioned interest packet, URL is obtained from the interest packet,
The format of the HTTP message in ICP/IP protocol format: GET can be converted intohttp://www/bupt/edu/cn/ vedio1/HTTP/1.1。
S404: the TCP/IP backbone network receives the ICP/IP protocol format that first borde gateway of source is sent
Request of data;According to the IP address for the destination server for including in the request of data, the IP of purpose the second boundary gateway is determined
The request of data is sent to purpose the second boundary gateway by address.
S405: the purpose the second boundary gateway receives the ICP/IP protocol format that the TCP/IP backbone network is sent
Request of data;And the request of data is sent to the purpose edge TCP/IP network for communicating with connection.
Since purpose edge network is TCP/IP network, and the request of data in TCP/IP network is in forwarding, the number
According to request be in corresponding data packet comprising source IP address and purpose IP address, thus, do not needed in the second boundary gateway
Set up interim mapping table.
S406: the purpose edge TCP/IP network receives the ICP/IP protocol that the purpose the second boundary gateway is sent
Formatted data request;According to the request of data, data content corresponding with the URL is obtained from the destination server.
S407: the purpose edge TCP/IP network, by the request results comprising the URL and the data content, with
ICP/IP protocol format returns to the purpose the second boundary gateway.
S408: the purpose the second boundary gateway further receives the TCP/ that the purpose edge TCP/IP network returns
IP agreement formatted request result;The request results are back to the TCP/IP backbone network.
S409: the TCP/IP backbone network further receives the TCP/IP association that the purpose the second boundary gateway returns
Discuss formatted request result;According to the source IP address in the request results, the request results are back to the first side of source
Boundary's gateway.
S410: first borde gateway of source further receives the ICP/IP protocol that the TCP/IP backbone network returns
Formatted request result;It the request results is converted into ICN protocol format request results is back to and communicate with the source side of connection
Edge ICN network.
S411: the source edge ICN network further receives and communicates with the ICN that the first borde gateway of connection returns
The request results of protocol format;And by the data content in the request results, export to user.
Optionally, referring to Fig. 5 a and Fig. 5 b, in the converged network, source edge TCP/IP network and purpose edge ICN network
Between interactive process are as follows:
S501: the source edge TCP/IP network in each edge TCP/IP network, according to user request generate include
The ICP/IP protocol formatted data of the content name of target data is requested, and the source the second boundary gateway for communicating with connection is sent to.
S502: the source the second boundary gateway receives and communicates with the TCP/IP that the edge TCP/IP network of connection is sent
Protocol formatted data request;According to the prefix of the content name for the target data for including in the request of data, according to preset interior
The corresponding relationship for holding name prefix and the first borde gateway IP address, determines the IP address of the first borde gateway of purpose.
S503: the IP address for issuing the client of user's request is source IP address by the source the second boundary gateway, described
The IP address of first borde gateway is that the ICP/IP protocol formatted data of purpose IP address is requested, and is sent to TCP/IP backbone network
Network.
Again in the embodiment of the present invention, since the client of initiation request of data is in edge TCP/IP network, request results
In edge ICN network, therefore, the format of request of data is the format of HTTP message, but needs the url field packet in the message
Content containing request.For example, the content name of request is: ccnx:global Beijing bupt telecom vedio 06, hair
The request of data risen are as follows: GET/ccnx:/global/Beijing/bupt/telecom/vedio/06/HTTP/1.1.
S504: the TCP/IP backbone network receives the ICP/IP protocol format that the source the second boundary gateway is sent
Request of data;According to the IP address for the first borde gateway of purpose for including in the request of data, the request of data is sent
To the first borde gateway of purpose.
S505: first borde gateway of purpose receives the ICP/IP protocol format that the TCP/IP backbone network is sent
Request of data;The IP address of the client and the content name of the target data are obtained from the request of data;Save institute
State the corresponding relationship between the content name of target data and the IP address of the client.
S506: the request of data is converted to the request of ICN protocol formatted data by first borde gateway of purpose;And
The request of data is sent to the purpose edge ICN network for communicating with connection.
S507: the purpose edge ICN network receives the ICN protocol format number that first borde gateway of purpose is sent
According to request;According to the request of data, data content corresponding with the content name of the target data is obtained.
S508: the purpose edge ICN network, by asking for the content name comprising the target data and the data content
It asks as a result, returning to first borde gateway of purpose with ICN protocol format.
S509: first borde gateway of purpose further receives the ICN agreement that the purpose edge ICN network returns
Formatted request result;The content name for obtaining target data described in the request results, by the target data of preservation
Corresponding relationship between the IP address of client described in Rong Mingyu obtains the IP address of first borde gateway of source;
S510: first borde gateway of purpose is converted to the request results with the IP of this first borde gateway
Location is source IP address, and the IP address of the client is the ICP/IP protocol format of purpose IP address;And by the request results
It is back to the TCP/IP backbone network.
Specifically, since the client for initiating request of data in this embodiment is in edge TCP/IP network, thus, mesh
The first borde gateway interim mapping table in, preservation is the content name of target data and corresponding client in the request of data
The IP address at end.
S511: the TCP/IP backbone network further receives the TCP/IP association that first borde gateway of purpose returns
Discuss formatted request result;According to the IP address for the client for including in the request results, the source the second boundary gateway is determined
IP address;The request results are back to the source the second boundary gateway.
S512: the source the second boundary gateway further receives the ICP/IP protocol that the TCP/IP backbone network returns
Formatted request result;According to the IP address for the client for including in the request results, by the request results be back to and its
The source edge TCP/IP network of communication connection.
S513: the source edge TCP/IP network further receives the second boundary gateway return for communicating with connection
The request results of ICP/IP protocol format;It is defeated by the data content in the request results according to the IP address of the client
Out to user.
It certainly, can also include between source edge TCP/IP network and purpose edge TCP/IP network in the converged network
Interaction.Interactive process in the embodiment of the present invention between edge TCP/IP network and purpose edge TCP/IP network, and it is existing
Interactive process in the TCP/IP network architecture between edge TCP/IP network and purpose edge TCP/IP network is similar
Seemingly, it is not being repeated herein.Under the network architecture provided in an embodiment of the present invention, as long as it is logical to complete edge TCP/IP network
The method interacted between backbone TCP/IP network and edge TCP/IP network is crossed, the embodiment of the present invention is all fallen within and is protected
In the range of.
A kind of converged network for realizing ICN Yu TCP/IP network interworking provided in an embodiment of the present invention, the converged network
The network architecture are as follows: using the TCP/IP network in existing application as backbone network, some ICN networks, phase are deployed in edge net
Compared with existing using ICN network as the converged network of backbone network, converged network provided in an embodiment of the present invention, to existing application
In the change of the TCP/IP network architecture be much smaller, therefore, can use the TCP/IP network architecture in existing application, it is larger
The realization ICN network of scale and the TCP/IP network integration.
In addition, a kind of converged network for realizing ICN Yu TCP/IP network interworking provided in an embodiment of the present invention, by
One borde gateway sets up interim mapping table, for storing the content name of target data and the IP address of the first borde gateway of corresponding source
Or the mapping relations between the content name of target data and the IP address of corresponding client, it ensure that the visitor in edge ICN network
The request results for the request of data that family end is initiated, can correctly return.And it is set in the first borde gateway and the second boundary gateway
Vertical centralized management mapping table, for store the network prefix of edge ICN network and the IP address of corresponding first borde gateway it
Between mapping relations, ensure that can correctly quickly find purpose edge network according to the content name in request of data.
The embodiment of the invention also provides a kind of communication means applied to above-mentioned converged network, this method, comprising:
Source edge ICN network in each edge ICN network requests to generate comprising in target data according to user
The ICN protocol formatted data request for holding name, is sent to the first borde gateway of source for communicating with connection;
First borde gateway of source receives and communicates with the ICN protocol formatted data that the edge ICN network of connection is sent
Request;According to the prefix of the content name for the target data for including in the request of data, according to preset content name prefix and the
The corresponding relationship of one boundary gateway ip address, determines the IP address of the first borde gateway of purpose;The request of data is converted to
Using the IP address of this first borde gateway as source IP address, the IP address of the first borde gateway of purpose is the TCP/ of purpose IP address
The request of IP agreement formatted data, is sent to TCP/IP backbone network;
The TCP/IP backbone network, the data for receiving the ICP/IP protocol format that first borde gateway of source is sent are asked
It asks;According to the IP address for the first borde gateway of purpose for including in the request of data, the request of data is sent to purpose
First borde gateway;
First borde gateway of purpose receives the ICP/IP protocol formatted data that the TCP/IP backbone network is sent and asks
It asks;The IP address of first borde gateway of source and the content name of the target data are obtained from the request of data;It saves
Corresponding relationship between the IP address of the first borde gateway of the content name of the target data and the source;By the request of data
Be converted to the request of ICN protocol formatted data;And the request of data is sent to the purpose edge ICN net for communicating with connection
Network;
The purpose edge ICN network receives the ICN protocol formatted data that first borde gateway of purpose is sent and asks
It asks;According to the request of data, data content corresponding with the content name of the target data is obtained;It will include the number of targets
According to content name and the data content request results, first borde gateway of purpose is returned to ICN protocol format;
First borde gateway of purpose further receives the ICN protocol format that the purpose edge ICN network returns and asks
Seek result;The content name for obtaining target data described in the request results, by preservation the target data content name with
Corresponding relationship between the IP address of first borde gateway of source obtains the IP address of first borde gateway of source;By institute
It states request results to be converted to using the IP address of this first borde gateway as source IP address, the IP address of first borde gateway of source
For the ICP/IP protocol format of purpose IP address;And the request results are back to the TCP/IP backbone network;
The TCP/IP backbone network further receives the ICP/IP protocol format that first borde gateway of purpose returns
Request results;According to the IP address for the first borde gateway of source for including in the request results, the request results are back to
The first borde gateway of source;
First borde gateway of source further receives the ICP/IP protocol format that the TCP/IP backbone network returns and asks
Seek result;It the request results is converted into ICN protocol format request results is back to and communicate with the source edge ICN net of connection
Network;
The source edge ICN network further receives and communicates with the ICN agreement that the first borde gateway of connection returns
The request results of format;And by the data content in the request results, export to user.
Optionally, the converged network further include: multiple edge TCP/IP networks and multiple the second boundary gateways;Each side
Edge TCP/IP network is established by a second boundary gateway and the TCP/IP backbone network and is communicated to connect;
Source edge ICN network in each edge ICN network requests to generate the system comprising target data according to user
The ICN protocol formatted data of one Resource Locator URL is requested, and the first borde gateway of source for communicating with connection is sent to;
First borde gateway of source receives and communicates with the ICN protocol formatted data that the edge ICN network of connection is sent
Request;The IP address of destination server is determined by domain name mapping according to the URL for including in the request of data;By the number
It is converted to according to request using the IP address of this first borde gateway as source IP address, the IP address of destination server is purpose IP address
ICP/IP protocol formatted data request, be sent to TCP/IP backbone network;
The TCP/IP backbone network, the data for receiving the ICP/IP protocol format that first borde gateway of source is sent are asked
It asks;According to the IP address for the destination server for including in the request of data, the IP address of purpose the second boundary gateway is determined, it will
The request of data is sent to purpose the second boundary gateway;
The purpose the second boundary gateway receives the ICP/IP protocol formatted data that the TCP/IP backbone network is sent and asks
It asks;And the request of data is sent to the purpose edge TCP/IP network for communicating with connection;
The purpose edge TCP/IP network receives the ICP/IP protocol format number that the purpose the second boundary gateway is sent
According to request;According to the request of data, data content corresponding with the URL is obtained from the destination server;Institute will be included
The request results of URL and the data content are stated, the purpose the second boundary gateway is returned to ICP/IP protocol format;
The purpose the second boundary gateway further receives the TCP/IP association that the purpose edge TCP/IP network returns
Discuss formatted request result;The request results are back to the TCP/IP backbone network;
The TCP/IP backbone network further receives the ICP/IP protocol format that the purpose the second boundary gateway returns
Request results;According to the source IP address in the request results, the request results are back to the first borde gateway of source;
First borde gateway of source further receives the ICP/IP protocol format that the TCP/IP backbone network returns and asks
Seek result;It the request results is converted into ICN protocol format request results is back to and communicate with the source edge ICN net of connection
Network;
The source edge ICN network further receives and communicates with the ICN agreement that the first borde gateway of connection returns
The request results of format;And by the data content in the request results, export to user.
Optionally, the method, further includes:
Source edge TCP/IP network in each edge TCP/IP network, requesting to generate according to user includes number of targets
According to content name ICP/IP protocol formatted data request, be sent to the source the second boundary gateway for communicating with connection;
The source the second boundary gateway receives and communicates with the TCP/IP agreement that the edge TCP/IP network of connection is sent
Formatted data request;According to the prefix of the content name for the target data for including in the request of data, according to preset content name
The corresponding relationship of prefix and the first borde gateway IP address, determines the IP address of the first borde gateway of purpose;User will be issued to ask
The IP address for the client asked is source IP address, and the IP address of first borde gateway is the ICP/IP protocol of purpose IP address
Formatted data request, is sent to TCP/IP backbone network;
The TCP/IP backbone network, the data for receiving the ICP/IP protocol format that the source the second boundary gateway is sent are asked
It asks;According to the IP address for the first borde gateway of purpose for including in the request of data, the request of data is sent to purpose
First borde gateway;
First borde gateway of purpose receives the ICP/IP protocol formatted data that the TCP/IP backbone network is sent and asks
It asks;The IP address of the client and the content name of the target data are obtained from the request of data;Save the target
Corresponding relationship between the content name of data and the IP address of the client;The request of data is converted into ICN agreement lattice
Formula request of data;And the request of data is sent to the purpose edge ICN network for communicating with connection;
The purpose edge ICN network receives the ICN protocol formatted data that first borde gateway of purpose is sent and asks
It asks;According to the request of data, data content corresponding with the content name of the target data is obtained;It will include the number of targets
According to content name and the data content request results, first borde gateway of purpose is returned to ICN protocol format;
First borde gateway of purpose further receives the ICN protocol format that the purpose edge ICN network returns and asks
Seek result;The content name for obtaining target data described in the request results, by preservation the target data content name with
Corresponding relationship between the IP address of the client obtains the IP address of first borde gateway of source;The request is tied
Fruit is converted to using the IP address of this first borde gateway as source IP address, and the IP address of the client is purpose IP address
ICP/IP protocol format;And the request results are back to the TCP/IP backbone network;
The TCP/IP backbone network further receives the ICP/IP protocol format that first borde gateway of purpose returns
Request results;According to the IP address for the client for including in the request results, with determining the IP of the source the second boundary gateway
Location;The request results are back to the source the second boundary gateway;
The source the second boundary gateway further receives the ICP/IP protocol format that the TCP/IP backbone network returns and asks
Seek result;According to the IP address for the client for including in the request results, the request results are back to the company of communicating with
The source edge TCP/IP network connect;
The source edge TCP/IP network further receives and communicates with the TCP/ that the second boundary gateway of connection returns
The request results of IP agreement format;According to the IP address of the client, by the data content in the request results, export to
User.
Optionally, in one embodiment, the converged network further includes an electronic equipment, with the TCP/IP bone
Dry network communication connection.When the converged network is added in each edge ICN network, one can be carried and communicate with the of connection
The converged network is added in one borde gateway, and is established and communicated to connect by first borde gateway and the converged network.Institute
Electronic equipment is stated, when the converged network is added in each edge ICN network, distributes corresponding name prefix for it.
In other embodiments, can also be in TCP/IP backbone network router or other equipment increase new function
Can, for distributing corresponding name prefix for it when the converged network is added in each edge ICN network.
The address IP of name prefix and its first included borde gateway that the edge ICN network is distributed,
It is sent to the first borde gateway and the second boundary gateway all in the converged network.Every one first boundary in the network
Gateway and the second boundary gateway, receive the message that the edge ICN network is sent, and by the name prefix received and the first side
The IP address of boundary's gateway is stored in the centralized manager table of itself in the form of key-value pair.In this way, first boundary of source net
It closes or the source the second boundary gateway, according to the prefix of the content name for the target data for including in request of data, determines purpose the
It the step of IP address of one borde gateway, can be with are as follows:
According to the prefix of the content name for the target data for including in request of data, the centralized manager table of itself is inquired;It will
The IP address of the first borde gateway corresponding with the matched name prefix of prefix longest of the content name of the request of data determines
For the purpose of the first borde gateway IP address.
Optionally, the first borde gateway of purpose saves the corresponding pass between the content name of the target data and IP address
The step of being, can be with are as follows:
The TCP/IP backbone network is being received, when the request of data of transmission, by what is obtained from the request of data
The IP address of the first borde gateway of content name and source of target data, is stored in the interim mapping table of itself in the form of key-value pair
In;
Or, by the IP address of the content name of the target data obtained from the request of data and client, with key-value pair
Form be stored in the interim mapping table of itself.
A kind of communication means applied to above-mentioned converged network provided in an embodiment of the present invention, may be implemented above-mentioned fusion net
Interaction in network between each edge network.
In addition, the embodiment of the present invention provides the communication means for being applied to above-mentioned converged network, by the first borde gateway
Interim mapping table is set up, for storing the content name of target data and the IP address or number of targets of the first borde gateway of corresponding source
According to content name and the IP address of corresponding client between mapping relations, ensure that client in edge ICN network is initiated
Request of data request results, can correctly return.And concentrate tube is set up in the first borde gateway and the second boundary gateway
Mapping table is managed, for storing the mapping between the network prefix of edge ICN network and the IP address of corresponding first borde gateway
Relationship, ensure that can correctly quickly find purpose edge network according to the content name in request of data.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Each embodiment in this specification is all made of relevant mode and describes, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for method reality
For applying example, since it is substantially similar to network embodiment, so being described relatively simple, related place is referring to network embodiment
Part explanation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention
It is interior.
Claims (10)
1. a kind of converged network for realizing ICN Yu TCP/IP network interworking characterized by comprising a TCP/IP backbone network
Network, multiple edge ICN networks and multiple first borde gateways;Each edge ICN network by first borde gateway with
The connection of TCP/IP backbone network communication;
Source edge ICN network in each edge ICN network requests to generate the content name comprising target data according to user
ICN protocol formatted data request, be sent to the first borde gateway of source for communicating with connection;
First borde gateway of source, the ICN protocol formatted data for receiving the source edge ICN network transmission for communicating with connection are asked
It asks;According to the prefix of the content name for the target data for including in the request of data, according to preset content name prefix and first
The corresponding relationship of borde gateway IP address determines the IP address of the first borde gateway of purpose;By the request of data be converted to
The IP address of this first borde gateway is source IP address, and the IP address of the first borde gateway of purpose is the TCP/IP of purpose IP address
Protocol formatted data request, is sent to TCP/IP backbone network;
The TCP/IP backbone network receives the request of data for the ICP/IP protocol format that first borde gateway of source is sent;
According to the IP address for the first borde gateway of purpose for including in the request of data, the request of data is sent to purpose first
Borde gateway;
First borde gateway of purpose receives the ICP/IP protocol formatted data request that the TCP/IP backbone network is sent;
The IP address of first borde gateway of source and the content name of the target data are obtained from the request of data;Described in preservation
Corresponding relationship between the IP address of the first borde gateway of the content name of target data and the source;The request of data is converted
For the request of ICN protocol formatted data;And the request of data is sent to the purpose edge ICN network for communicating with connection;
The purpose edge ICN network receives the ICN protocol formatted data request that first borde gateway of purpose is sent;Root
According to the request of data, data content corresponding with the content name of the target data is obtained;The target data will be included
The request results of content name and the data content return to first borde gateway of purpose with ICN protocol format;
First borde gateway of purpose further receives the ICN protocol format request knot that the purpose edge ICN network returns
Fruit;The content name for obtaining target data described in the request results, by preservation the target data content name with it is described
Corresponding relationship between the IP address of the first borde gateway of source obtains the IP address of first borde gateway of source;It is asked by described in
Result is asked to be converted to using the IP address of this first borde gateway as source IP address, the IP address of first borde gateway of source is mesh
IP address ICP/IP protocol format;And the request results are back to the TCP/IP backbone network;
The TCP/IP backbone network further receives the ICP/IP protocol formatted request that first borde gateway of purpose returns
As a result;According to the IP address for the first borde gateway of source for including in the request results, the request results are back to source
One borde gateway;
First borde gateway of source further receives the ICP/IP protocol formatted request knot that the TCP/IP backbone network returns
Fruit;It the request results is converted into ICN protocol format request results is back to and communicate with the source edge ICN network of connection;
The source edge ICN network further receives the ICN protocol format for the first borde gateway return for communicating with connection
Request results;And by the data content in the request results, export to user.
2. converged network according to claim 1, which is characterized in that further include multiple TCP/IP edge networks and multiple
Two borde gateways;Each edge TCP/IP network is connect by a second boundary gateway with TCP/IP backbone network communication;
Source edge ICN network in each edge ICN network requests to generate the unified money comprising target data according to user
The ICN protocol formatted data of source finger URL URL is requested, and the first borde gateway of source for communicating with connection is sent to;
First borde gateway of source, the ICN protocol formatted data for receiving the edge ICN network transmission for communicating with connection are asked
It asks;The IP address of destination server is determined by domain name mapping according to the URL for including in the request of data;By the data
Request is converted to using the IP address of this first borde gateway as source IP address, and the IP address of destination server is purpose IP address
The request of ICP/IP protocol formatted data, is sent to TCP/IP backbone network;
The TCP/IP backbone network receives the request of data for the ICP/IP protocol format that first borde gateway of source is sent;
According to the IP address for the destination server for including in the request of data, the IP address of purpose the second boundary gateway is determined, by institute
It states request of data and is sent to purpose the second boundary gateway;
The purpose the second boundary gateway receives the ICP/IP protocol formatted data request that the TCP/IP backbone network is sent;
And the request of data is sent to the purpose edge TCP/IP network for communicating with connection;
The purpose edge TCP/IP network receives the ICP/IP protocol formatted data that the purpose the second boundary gateway is sent and asks
It asks;According to the request of data, data content corresponding with the URL is obtained from the destination server;It will include the URL
With the request results of the data content, the purpose the second boundary gateway is returned to ICP/IP protocol format;
The purpose the second boundary gateway further receives the ICP/IP protocol format that the purpose edge TCP/IP network returns
Request results;The request results are back to the TCP/IP backbone network;
The TCP/IP backbone network further receives the ICP/IP protocol formatted request that the purpose the second boundary gateway returns
As a result;According to the source IP address in the request results, the request results are back to the first borde gateway of source;
First borde gateway of source further receives the ICP/IP protocol formatted request knot that the TCP/IP backbone network returns
Fruit;It the request results is converted into ICN protocol format request results is back to and communicate with the source edge ICN network of connection;
The source edge ICN network further receives the ICN protocol format for the first borde gateway return for communicating with connection
Request results;And by the data content in the request results, export to user.
3. converged network according to claim 2, which is characterized in that
Source edge TCP/IP network in each edge TCP/IP network requests to generate comprising target data according to user
The ICP/IP protocol formatted data of content name is requested, and the source the second boundary gateway for communicating with connection is sent to;
The source the second boundary gateway receives and communicates with the ICP/IP protocol format number that the edge TCP/IP network of connection is sent
According to request;According to the prefix of the content name for the target data for including in the request of data, according to preset content name prefix with
The corresponding relationship of first borde gateway IP address, determines the IP address of the first borde gateway of purpose;The visitor of user's request will be issued
The IP address at family end is source IP address, and the IP address of first borde gateway is the ICP/IP protocol format number of purpose IP address
According to request, it is sent to TCP/IP backbone network;
The TCP/IP backbone network receives the request of data for the ICP/IP protocol format that the source the second boundary gateway is sent;
According to the IP address for the first borde gateway of purpose for including in the request of data, the request of data is sent to purpose first
Borde gateway;
First borde gateway of purpose receives the ICP/IP protocol formatted data request that the TCP/IP backbone network is sent;
The IP address of the client and the content name of the target data are obtained from the request of data;Save the target data
Content name and the client IP address between corresponding relationship;The request of data is converted into ICN protocol format number
According to request;And the request of data is sent to the purpose edge ICN network for communicating with connection;
The purpose edge ICN network receives the ICN protocol formatted data request that first borde gateway of purpose is sent;Root
According to the request of data, data content corresponding with the content name of the target data is obtained;The target data will be included
The request results of content name and the data content return to first borde gateway of purpose with ICN protocol format;
First borde gateway of purpose further receives the ICN protocol format request knot that the purpose edge ICN network returns
Fruit;The content name for obtaining target data described in the request results, by preservation the target data content name with it is described
Corresponding relationship between the IP address of client obtains the IP address of first borde gateway of source;The request results are turned
It is changed to using the IP address of this first borde gateway as source IP address, the IP address of the client is the TCP/IP of purpose IP address
Protocol format;And the request results are back to the TCP/IP backbone network;
The TCP/IP backbone network further receives the ICP/IP protocol formatted request that first borde gateway of purpose returns
As a result;According to the IP address for the client for including in the request results, the IP address of the source the second boundary gateway is determined;It will
The request results are back to the source the second boundary gateway;
The source the second boundary gateway further receives the ICP/IP protocol formatted request knot that the TCP/IP backbone network returns
Fruit;According to the IP address for the client for including in the request results, the request results are back to and communicate with connection
Source edge TCP/IP network;
The source edge TCP/IP network further receives and communicates with the ICP/IP protocol that the second boundary gateway of connection returns
The request results of format;The data content in the request results is exported to user according to the IP address of the client.
4. converged network according to claim 3, which is characterized in that further include an electronic equipment, with the TCP/IP
Backbone network communication connection;
When the converged network is added in each edge ICN network, first borde gateway for communicating with connection can be carried
The converged network is added, and is established and is communicated to connect by first borde gateway and the converged network;
The electronic equipment distributes corresponding name prefix when the converged network is added in each edge ICN network for it;
The IP address of name prefix and its first included borde gateway that the edge ICN network is distributed, sends
To the first borde gateway and the second boundary gateway all in the converged network;
Every one first borde gateway and the second boundary gateway in the converged network receive what the edge ICN network was sent
Message, and by the IP address of the name prefix received and the first borde gateway, the collection of itself is stored in the form of key-value pair
In middle manager table;
First borde gateway of source or the source the second boundary gateway, according in the target data for including in request of data
The prefix for holding name, inquires the centralized manager table of itself;By the matched life of prefix longest of the content name with the request of data
The IP address of corresponding first borde gateway of name prefix, the IP address of the first borde gateway for the purpose of determining.
5. converged network according to claim 3, which is characterized in that
First borde gateway of purpose will be from described when receiving the request of data that the TCP/IP backbone network is sent
The IP address of the first borde gateway of content name and source of the target data obtained in request of data, is stored in the form of key-value pair
In the interim mapping table of itself;
Or, by the IP address of the content name of the target data obtained from the request of data and client, with the shape of key-value pair
Formula is stored in the interim mapping table of itself.
6. a kind of communication means of converged network described in claim 1 characterized by comprising
Source edge ICN network in each edge ICN network requests to generate the content name comprising target data according to user
ICN protocol formatted data request, be sent to the first borde gateway of source for communicating with connection;
First borde gateway of source, the ICN protocol formatted data for receiving the edge ICN network transmission for communicating with connection are asked
It asks;According to the prefix of the content name for the target data for including in the request of data, according to preset content name prefix and first
The corresponding relationship of borde gateway IP address determines the IP address of the first borde gateway of purpose;By the request of data be converted to
The IP address of this first borde gateway is source IP address, and the IP address of the first borde gateway of purpose is the TCP/IP of purpose IP address
Protocol formatted data request, is sent to TCP/IP backbone network;
The TCP/IP backbone network receives the request of data for the ICP/IP protocol format that first borde gateway of source is sent;
According to the IP address for the first borde gateway of purpose for including in the request of data, the request of data is sent to purpose first
Borde gateway;
First borde gateway of purpose receives the ICP/IP protocol formatted data request that the TCP/IP backbone network is sent;
The IP address of first borde gateway of source and the content name of the target data are obtained from the request of data;Described in preservation
Corresponding relationship between the IP address of the first borde gateway of the content name of target data and the source;The request of data is converted
For the request of ICN protocol formatted data;And the request of data is sent to the purpose edge ICN network for communicating with connection;
The purpose edge ICN network receives the ICN protocol formatted data request that first borde gateway of purpose is sent;Root
According to the request of data, data content corresponding with the content name of the target data is obtained;The target data will be included
The request results of content name and the data content return to first borde gateway of purpose with ICN protocol format;
First borde gateway of purpose further receives the ICN protocol format request knot that the purpose edge ICN network returns
Fruit;The content name for obtaining target data described in the request results, by preservation the target data content name with it is described
Corresponding relationship between the IP address of the first borde gateway of source obtains the IP address of first borde gateway of source;It is asked by described in
Result is asked to be converted to using the IP address of this first borde gateway as source IP address, the IP address of first borde gateway of source is mesh
IP address ICP/IP protocol format;And the request results are back to the TCP/IP backbone network;
The TCP/IP backbone network further receives the ICP/IP protocol formatted request that first borde gateway of purpose returns
As a result;According to the IP address for the first borde gateway of source for including in the request results, the request results are back to source
One borde gateway;
First borde gateway of source further receives the ICP/IP protocol formatted request knot that the TCP/IP backbone network returns
Fruit;It the request results is converted into ICN protocol format request results is back to and communicate with the source edge ICN network of connection;
The source edge ICN network further receives the ICN protocol format for the first borde gateway return for communicating with connection
Request results;And by the data content in the request results, export to user.
7. communication means according to claim 6, which is characterized in that the converged network further include: multiple edge TCP/
IP network and multiple the second boundary gateways;Each edge TCP/IP network passes through a second boundary gateway and the TCP/IP bone
Dry network establishes communication connection;
Source edge ICN network in each edge ICN network requests to generate the unified money comprising target data according to user
The ICN protocol formatted data of source finger URL URL is requested, and the first borde gateway of source for communicating with connection is sent to;
First borde gateway of source, the ICN protocol formatted data for receiving the edge ICN network transmission for communicating with connection are asked
It asks;The IP address of destination server is determined by domain name mapping according to the URL for including in the request of data;By the data
Request is converted to using the IP address of this first borde gateway as source IP address, and the IP address of destination server is purpose IP address
The request of ICP/IP protocol formatted data, is sent to TCP/IP backbone network;
The TCP/IP backbone network receives the request of data for the ICP/IP protocol format that first borde gateway of source is sent;
According to the IP address for the destination server for including in the request of data, the IP address of purpose the second boundary gateway is determined, by institute
It states request of data and is sent to purpose the second boundary gateway;
The purpose the second boundary gateway receives the ICP/IP protocol formatted data request that the TCP/IP backbone network is sent;
And the request of data is sent to the purpose edge TCP/IP network for communicating with connection;
The purpose edge TCP/IP network receives the ICP/IP protocol formatted data that the purpose the second boundary gateway is sent and asks
It asks;According to the request of data, data content corresponding with the URL is obtained from the destination server;It will include the URL
With the request results of the data content, the purpose the second boundary gateway is returned to ICP/IP protocol format;
The purpose the second boundary gateway further receives the ICP/IP protocol format that the purpose edge TCP/IP network returns
Request results;The request results are back to the TCP/IP backbone network;
The TCP/IP backbone network further receives the ICP/IP protocol formatted request that the purpose the second boundary gateway returns
As a result;According to the source IP address in the request results, the request results are back to the first borde gateway of source;
First borde gateway of source further receives the ICP/IP protocol formatted request knot that the TCP/IP backbone network returns
Fruit;It the request results is converted into ICN protocol format request results is back to and communicate with the source edge ICN network of connection;
The source edge ICN network further receives the ICN protocol format for the first borde gateway return for communicating with connection
Request results;And by the data content in the request results, export to user.
8. communication means according to claim 7, which is characterized in that the method, further includes:
Source edge TCP/IP network in each edge TCP/IP network requests to generate comprising target data according to user
The ICP/IP protocol formatted data of content name is requested, and the source the second boundary gateway for communicating with connection is sent to;
The source the second boundary gateway receives and communicates with the ICP/IP protocol format number that the edge TCP/IP network of connection is sent
According to request;According to the prefix of the content name for the target data for including in the request of data, according to preset content name prefix with
The corresponding relationship of first borde gateway IP address, determines the IP address of the first borde gateway of purpose;The visitor of user's request will be issued
The IP address at family end is source IP address, and the IP address of first borde gateway is the ICP/IP protocol format number of purpose IP address
According to request, it is sent to TCP/IP backbone network;
The TCP/IP backbone network receives the request of data for the ICP/IP protocol format that the source the second boundary gateway is sent;
According to the IP address for the first borde gateway of purpose for including in the request of data, the request of data is sent to purpose first
Borde gateway;
First borde gateway of purpose receives the ICP/IP protocol formatted data request that the TCP/IP backbone network is sent;
The IP address of the client and the content name of the target data are obtained from the request of data;Save the target data
Content name and the client IP address between corresponding relationship;The request of data is converted into ICN protocol format number
According to request;And the request of data is sent to the purpose edge ICN network for communicating with connection;
The purpose edge ICN network receives the ICN protocol formatted data request that first borde gateway of purpose is sent;Root
According to the request of data, data content corresponding with the content name of the target data is obtained;The target data will be included
The request results of content name and the data content return to first borde gateway of purpose with ICN protocol format;
First borde gateway of purpose further receives the ICN protocol format request knot that the purpose edge ICN network returns
Fruit;The content name for obtaining target data described in the request results, by preservation the target data content name with it is described
Corresponding relationship between the IP address of client obtains the IP address of first borde gateway of source;The request results are turned
It is changed to using the IP address of this first borde gateway as source IP address, the IP address of the client is the TCP/IP of purpose IP address
Protocol format;And the request results are back to the TCP/IP backbone network;
The TCP/IP backbone network further receives the ICP/IP protocol formatted request that first borde gateway of purpose returns
As a result;According to the IP address for the client for including in the request results, the IP address of the source the second boundary gateway is determined;It will
The request results are back to the source the second boundary gateway;
The source the second boundary gateway further receives the ICP/IP protocol formatted request knot that the TCP/IP backbone network returns
Fruit;According to the IP address for the client for including in the request results, the request results are back to and communicate with connection
Source edge TCP/IP network;
The source edge TCP/IP network further receives and communicates with the ICP/IP protocol that the second boundary gateway of connection returns
The request results of format;The data content in the request results is exported to user according to the IP address of the client.
9. communication means according to claim 8, which is characterized in that the converged network further includes an electronic equipment,
It is connect with the TCP/IP backbone network communication;
When the converged network is added in each edge ICN network, first borde gateway for communicating with connection can be carried
The converged network is added, and is established and is communicated to connect by first borde gateway and the converged network;
The electronic equipment distributes corresponding name prefix when the converged network is added in each edge ICN network for it;
The IP address of name prefix and its first included borde gateway that the edge ICN network is distributed, sends
To the first borde gateway and the second boundary gateway all in the converged network;
Every one first borde gateway and the second boundary gateway in the network receive the message that the edge ICN network is sent,
And by the IP address of the name prefix received and the first borde gateway, the centralized management of itself is stored in the form of key-value pair
In device table;
First borde gateway of source or the source the second boundary gateway, according in the target data for including in request of data
Hold the prefix of name, the step of determining the IP address of the first borde gateway of purpose, comprising:
According to the prefix of the content name for the target data for including in request of data, the centralized manager table of itself is inquired;
By the IP of the first borde gateway corresponding with the matched name prefix of prefix longest of the content name of the request of data
Location, the IP address of the first borde gateway for the purpose of determining.
10. communication means according to claim 8, which is characterized in that
First borde gateway of purpose, saves the step of the corresponding relationship between the content name and IP address of the target data
Suddenly, comprising:
Receiving the TCP/IP backbone network, when the request of data of transmission, the target that will be obtained from the request of data
The IP address of the first borde gateway of content name and source of data, is stored in the interim mapping table of itself in the form of key-value pair;
Or, by the IP address of the content name of the target data obtained from the request of data and client, with the shape of key-value pair
Formula is stored in the interim mapping table of itself.
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