CN101958910B - Integrated identification network personal communication mobile management method based on double-proxy - Google Patents
Integrated identification network personal communication mobile management method based on double-proxy Download PDFInfo
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- CN101958910B CN101958910B CN201010517741.9A CN201010517741A CN101958910B CN 101958910 B CN101958910 B CN 101958910B CN 201010517741 A CN201010517741 A CN 201010517741A CN 101958910 B CN101958910 B CN 101958910B
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Abstract
The invention relates to an integrated identification network personal communication mobile management method based on double-proxy, belonging to the technical field of personal mobile network communications. The method is characterized in that the separation of a user side and a network side is realized by utilizing a double-proxy structure under the condition of an integrated identification network system, and the separation of a user and terminal service is finished through from client proxy identification to access identification analyzing and mapping. The method comprises the working process of communication link establishment and service switching under the condition of the integrated identification network system; a client proxy, a network proxy and all modules inside the client proxy and the network client works together with respective specific task; and an access user, terminal equipment and service resources are under unified classified management . The invention not only can shorten routing and time delay, but also has favorable expandability and can effectively reduce the difficulty of network resource management.
Description
Technical field
The invention belongs to technical field of the computer network, relate to a kind of integrated identification network personal communication management method of mobile based on dual-proxy
Background technology
Information technology has become the enormous motivation that propels the society forward now, and information network occupies critical role in the development of various countries' economy and society.According to the difference of service content and scope, current information network can be divided into the Internet, broadcasting and television network and telecommunications network.
Along with the development of economy and society, require current information network that information service efficiently at a high speed can be provided, any time, by any way in any place.And the original design thinking of existing information network is a kind of decoupling zero mode of main services that supports with a kind of network, and evolution on this basis and development are difficult to break through the limitation of original design thought, also just can't satisfy the diversity demand of network and service.For example the initial design philosophy in the Internet is the data-oriented transport service, its topological structure is the scale-free networks network with power law structure, but this power law structural topology causes the Internet very fragile to resisting of malicious attack, and the Internet do not support the access demand of multiple business, can not provide Pervasive Service for the diversification user; The initial design philosophy of telecommunications network is towards the speech business Transmission Design, although can provide carrier-class symmetrical traffic quality, but the two-layer vertical stratification (Signaling Layer and physical layer) take circuit switching as the basis and three layers of tree-shaped flat topology structures shape its network efficiency low, the telecommunications network Bandwidth-Constrained, caused it can't adapt to the needs of broadband streaming media business simultaneously.At present, the implementation of network service, COS and terminal equipment all have diversity and polytropy.Therefore, there are the difficult problems such as poor compatibility, poor expandability, restive management between various services.For overcoming the above problems, each state all actively develops the research work of information network of future generation in recent years.China has also clearly proposed the emphasis support to the information network technique field in 5 years from now in the Eleventh-Five Year Plan suggestion.The long-range developmental program of country will " next generation network key technology and service " conduct from now on decades China's information network technique developing direction.
Under this background, national 973 emphasis basic research development and planning projects have proposed a kind of architecture of integrated identification network, and target is to realize integrated, network integrated of service.The integrated identification network architecture provides network and the terminal access of diversification, and has the ability that Pervasive Service is provided.In integrated identification network, allow the multiple mobility access such as fixed-line subscriber and mobile terminal, mobile subnetwork, MANET user, fixed-line subscriber and mobile subscriber enjoy same individual business service, realize the shared of distributed network resource and search service, carry out the transmission of the business such as voice, data, image, and the service quality of fine granulation is provided, guaranteeing provides consistent, general business to the user.
The architectural model of integrated identification network as shown in Figure 1, it comprises " Netcom's layer " and " service layer ".Proposed the separation of polymeric mapping theory of integrated identification network sign in the integrated identification network model, and introduced four virtual sublayers: Virtual Service sublayer, virtual link sublayer, virtual access sublayer and virtual backbone sublayer; Respectively corresponding four network identities: service identifiers SID (Service Identity), connection identifiers CID (Connection Identity), switching and routing sign RID (Router Identity), access sign AID (Access Identity); Resolve mapping for three: service identifiers is resolved mapping, connection identifier is resolved mapping and the mapping of access identification (RNC-ID) analytic.
" Netcom's layer " comprises virtual access sublayer and virtual backbone sublayer, for the business such as voice-and-data provide the integrated identification network communications platform.The function of virtual access sublayer is the access of the various terminals of management and sensing network; Location management and switching and routing are responsible in the virtual backbone sublayer.By the network virtual key sublayer at the network virtual access sublayer at terminal use place and network operator place is separated, guaranteed the relative independentability of various access technologies and core net framework.The business such as voice-and-data adopt " forwarding communication " pattern to transmit in " Netcom's layer ": at virtual access sublayer use access sign forwarding data, replacing access to identify AID at the inner switching and routing sign RID of virtual backbone sublayer employing forwards, after arriving the access switch router of Correspondent Node, the switching and routing of packet sign RID is transformed to original access sign AID; The intervention of communication terminal is responsible in virtual access sublayer, and location management and switching and routing are responsible in the virtual backbone sublayer.Therefore, we can realize user's privacy and fail safe, the extensibility of core net scale, the controllability and manageability of network and the mobility of mobile terminal in " Netcom's layer ".
" service layer " comprises Virtual Service sublayer and virtual link sublayer, is responsible for session, the control and management of miscellaneous service.Service identifiers SID has been introduced in the Virtual Service sublayer, and its effect is that unified class indication and location are carried out in the service of diverse network support.Virtual identifying is resolved the working relation that mapping will serve sublayer and virtual link sublayer, and the mapping of completion service sign and connection identifier realizes the service connection between communication equipment.Connection identifiers CID has been introduced in virtual access sublayer, as the sign of end-to-end communication link.It is the core of Pervasive Service model, can well support mobility, fail safe, and certain quality of service guarantee is provided.Connection identifier is resolved mapping, and the working relation of virtual link sublayer and Netcom's layer is got up, and completes a connection identifiers CID to the mapping of a plurality of switching and routing sign RID, and the multipath that the service of realization is connected on network is selected.
So, in integrated identification network, based on the service identifiers SID of Virtual Service sublayer definition, unified sign name is carried out in the difference service of diverse network support, to complete unified service dispatch, for supporting that on integrated identification network many services provides possibility.In " service layer ", miscellaneous service is bound different service identifiers SID_1, SID_2, SID_3 etc., then carry out the parsing from the service identifiers to the connection identifier, the parsing that identifies from the connection identifier to the switching and routing, thereby service identifiers and the connection identifier that can set up compound service are resolved mapping theory.This access sign mapping theory makes Access Network separate with core net, provides controlled the pipe with identity to differentiate by the access sign, thereby has guaranteed mobility and fail safe.
Summary of the invention
The object of the invention is to solve personal communication mobile management problem in integrated identification network, the dual-proxy architecture of the network agent of controlling by the customer's representative that controlled by the user and service provider, the work such as foundation, the business of completing communication link switched, business information statistics and service billing.
The invention provides a kind of integrated identification network personal communication management method of mobile based on dual-proxy, user's request is separated management with Terminal Service, the foundation of communication link and business switch operating between completing user.The present invention carries out unified Classification Management to integrated identification network access user and terminal equipment and service resources, and customer's representative and network agent work alone, the collaborative individual mobile management of realizing integrated identification network.
The invention is characterized in: described method is by a plurality of first terminal device A
n, the first client proxy CAID_A, network agent server NAID, the second client proxy CAID_B and a plurality of the second terminal equipment B
mIn the communication link system that consists of, realize according to the following steps successively:
Step (1): set up according to the following steps communication link between two users of opposite end:
Step (1.1): as the first client proxy CAID_A of communication initiator user, select described communication initiator user's a first terminal device A
nCarry out initialization as the terminal that sends, and this first terminal device A
nConnection request and access sign AID_A
nSend in the second client proxy CAID_B as communication receiver user, n=1,2 ... N, N are the numbers of described first terminal equipment, and n is the sequence number of described first terminal equipment;
Step (1.2): after described the second client proxy CAID_B receives the connection request described in step (1.1), select described communication receiver user's a terminal equipment B
mRespond as the terminal that receives, obtain network agent sign NAID, and the described first terminal device A as transmitting terminal
nAccess sign AID_A
nAccess sign AID_B with receiving terminal
mSend in described network agent server NAID, m=1,2 ... M, M are the numbers of described the second terminal equipment, and m is the sequence number of described the second terminal equipment;
Step (1.3): described the second client proxy CAID_B, described the second terminal equipment B
mAccess sign AID_B
mNAID sends in described the first client proxy CAID_A with the network agent sign;
Step (1.4): described the first client proxy CAID_A and the second client proxy CAID_B that participate in communicating pair identify described network agent sign NAID and the other side's terminal equipment access in the terminal equipment that sends to separately respectively;
Step (1.5): described first terminal device A
nWith the second terminal equipment B
mSet up one based on the communication for service link of the connection identifiers CID of each client proxy according to the information that receives separately respectively, described connection identifiers CID is to resolve mapping by switching and routing sign RID, and described switching and routing sign RID has to resolve mapping by described access sign AID;
Step (2): communicating pair is served switching according to the following steps in communication process:
Step (2.1): the user as the communication initiator passes through a first terminal device A
nTransmitting terminal device service handover request after the first corresponding client proxy receives this service handover request by acquisition module, detects this first terminal device A
nWorking condition and communication capacity, then confirm could execution in step (2.2);
Step (2.2): by the judging module in described the first client proxy CAID_A after receiving that described acquisition module is sent the terminal equipment service handover request of confirmation, determine whether to carry out switching according to the business demand of user described in step (2.1), after determining to carry out switching, described the first client proxy CAID_A is to be switched new terminal device A
n′Access sign AID_A
n′Send to the second client proxy CAID_B to end subscriber, otherwise do not carry out;
Step (2.3): to the new terminal device A of judging module in receiving the step that acquisition module is sent (2.2) in the second client proxy CAID_B of end subscriber
n′Access sign AID_A
n′After, determine whether to carry out terminal equipment service handover request, if carry out, described the second client proxy CAID_B is the new terminal equipment access sign AID_A that receives in step (2.3)
n’Send to described network agent server NAID, and terminal equipment B
m, otherwise do not carry out;
Step (2.4): described network agent server NAID accepts described terminal equipment service handover request, and the feedback information of carrying out or do not carry out switching is sent to described the first client proxy CAID_A;
Step (2.5): described the first described execution of client proxy CAID_A receiving step (2.4) or do not carry out the feedback information of switching after, the second terminal equipment B
mAccess sign AID_B
mSend to new first terminal device A with described network agent sign NAID
n′, send simultaneously the current service state information;
Step (2.6): rebulid through described network agent server NAID by new first terminal device A
n′To the second terminal equipment B
mCommunication for service link CID ';
Step (2.7): described network agent server NAID update service sign SID is to the mapping relations between described CID, make SID be updated to SID to CID ' to described CID, service switch complete after, described service identifiers SID be connection identifiers CID in described network agent server NAID ' the parsing mapping.
The invention effect
The present invention includes in the dual-proxy technology of integrated identification network two telex network link establishments and service handoff procedure.In this process, customer's representative and network agent be the complete independently different task respectively, guarantees the realizability of system in current real network environment; The customer's representative has guaranteed lower transmission range and transmission delay as the administration module of transfer of data; User profile and end message in customer's representative's supervisory communications process have guaranteed simplification and the validity of complex network resource management.In this system, the corresponding a plurality of terminals of user, only having the customer's representative is with the user movably, has guaranteed the extensibility of native system.
Description of drawings
The structural model figure of the integrated marked network of Fig. 1.
The integrated identification network personal communication management method of mobile of Fig. 2 structure chart.
The integrated identification network personal communication management method of mobile of Fig. 3 flow chart.
Fig. 4 is for setting up the flow chart that communication for service connects based on the dual-proxy method.
Fig. 5 is for to realize that based on the dual-proxy method user serves the flow chart of switching.
Embodiment
A kind of integrated identification network personal communication management method of mobile based on dual-proxy, based on the integrated identification network system, set up the customer's representative aspect the client, set up network agent aspect service, realize the business conversion of user between different terminals by this dual representation structure.It identifies CAID (Custom Agent Identity) to the mapping of a plurality of accesses sign AID by a customer's representative, the user is separated with Terminal Service, to realize the corresponding of a user and a plurality of terminals; By the mapping of a network agent sign NAID (Network Agent Identity) to a plurality of service identifiers SID, to realize that a service broker is to the integrated management of a plurality of communication services.The structure of the method forms as shown in Figure 2.Its concrete structure and correlation module comprise: the customer's representative and the network agent that is positioned at network level that are positioned at user level.The customer's representative is responsible for terminal and service application are dispatched, and realizes as formant the personal management that the user serves.Its inside comprises acquisition module, judging module and calling module.Network agent is responsible for the conversion of service format messages, realizes the Continuous management of service as core cell.Its inside comprises authentication module, scheduler module, driver module and expense module.
Major function and the work characteristics of concrete module are as follows:
1. customer's representative:
(1) acquisition module: directly be connected with various Terminal Service, be responsible for following the tracks of user's current service process and position, according to terminal type and user preferences, detect and complete the registered task of new terminal or service application;
(2) judging module: be positioned at the database on acquisition module upper strata, be responsible for maintenance customer's preference information, in conjunction with the information that acquisition module provides, whether decision-making serves switching;
(3) calling module: be positioned at the upper strata of judging module, carry out information interchange with network agent when needed., namely make a call to network agent separately during the switching of completion service as customer's representative itself, the Transformation Service that requests help data format.
2. network agent:
(1) authentication module: receive the handover request from the customer's representative, obtain the address of two to be switched terminals and the process of current service;
(2) scheduler module: the information of utilizing authentication module to obtain, dispatch two to be switched terminals, the business that realizes is switched;
(3) driver module: directly be connected with the various network services resource, realize the conversion of service format messages;
(4) expense module: the expense distribution and statistics of being responsible for calculating communication.
Relevant the technical content and a detailed description now coordinate description of drawings as follows:
Below by embodiment, be described with reference to the accompanying drawings implementation procedure of the present invention, be included in the enforcement of service switch operating in the foundation of two telex network links in the integrated identification network environment and communication process.
The present embodiment application scenarios as shown in Figure 3, at customer-side, the n of user A terminal A
1, A
2A
nBelong to customer's representative CAID_A management, the m of user B terminal B
1, B
2B
mBelong to customer's representative CAID_B management; In network facet, business 1, business 2 ... business t belongs to the network agent management.Network identity and the functional description thereof mentioned in the present embodiment are as shown in table 1.
Table 1:
The foundation of 1: two user's communication for service link of embodiment
Set up a user individual service and connect between two users' terminal equipment, be called the foundation of communication for service link.The foundation of two user's communication for service links comprises 5 steps, is described step by step below in conjunction with Fig. 4:
Step 1: the customer's representative CAID_A by user A is that device end of its service selection is (as A
1) come the initialize communications process, and with terminal A
1Access sign AID_A
1Be sent to the customer's representative CAID_B of user B.
Step 2: receive the connection request of user A at user B after, be that user B selects a device end (as B by CAID_B
1) respond; CAID_B will obtain network agent sign NAID from network facet, then with terminal A
1And B
1Access sign AID_A
1And AID_B
1Send to network agent.
Step 3:CAID_B is with terminal B
1Access sign AID_B
1Send to CAID_A with the information such as selected network agent sign NAID.
Step 4:CAID_A and CAID_B identify with the access of network agent sign and opposite end the terminal that sends to separately respectively.
Step 5: terminal A
1And B
1According to gained information, utilize NAID to set up communication for service link CID_1 for business 1 (being designated as SID_1), the map information of network agent record from SID to CID, i.e. SID_1 → CID_1.
Embodiment 2: the service under the integrated identification network environment is switched
In the communication process of integrated identification network, the conversion of same service between different terminals is called service and switches.In the present embodiment, the service switching in communication process is divided into 6 steps, is described below in conjunction with Fig. 5:
In the present embodiment, our hypothesis is according to the step of embodiment 1, by network agent at terminal A
1With terminal B
1Between set up a communication for service link CID_1 for SID_1.Existing user A wishes SID_1 from terminal A
1Switch to terminal A
2, A here
2To belong to user A and be different from terminal A
1Another terminal.
Step 1: user A proposes to switch requirement to CAID_A.
Step 2:CAID_A sense terminals A
1And A
2Working condition and communication capacity, determine whether to carry out switching according to the customer service demand.After determining to carry out switching, CAID_A is with terminal A
2Access sign AID_A
2Send to CAID_B.
The judging module of step 3:CAID_B determines whether to carry out handover operation.If carry out, CAID_B is with AID_A
2Send to network agent and terminal B
1
Step 4: network agent is accepted the handover request of SID_1, and feedback information is sent to CAID_A.
After step 5:CAID_A receives feedback, with terminal B
1Access sign AID_B
1NAID sends to terminal A with the network agent sign
2, send simultaneously the current service state information.
Step 6: rebulid through NAID by terminal A
2To terminal B
1Communication for service link CID_2.Network agent NAID upgrades SID to the map record between CID, and namely SID_1 → CID_1 is updated to SID_1 → CID_2, and the service switching is completed.
Two telex network link establishments and service handoff procedure in the dual-proxy technology of the integrated marked network of the present embodiment.In this process, customer's representative and network agent be the complete independently different task respectively, guarantees the realizability of system in current real network environment; The customer's representative has guaranteed lower transmission range and transmission delay as the administration module of transfer of data; User profile and end message in customer's representative's supervisory communications process have guaranteed simplification and the validity of complex network resource management.In this system, the corresponding a plurality of terminals of user, only having the customer's representative is with the user movably, has guaranteed the extensibility of native system.
Above-mentioned is only preferred embodiment of the present invention, is not to limit practical range of the present invention.Be that all equalizations of doing according to the present patent application the scope of the claims change and modify, be all the scope of the claims of the present invention and contain.
Claims (1)
1. based on the integrated identification network personal communication management method of mobile of dual-proxy, it is characterized in that, described method is by a plurality of first terminal device A
n, the first client proxy CAID_A, network agent server NAID, the second client proxy CAID_B and a plurality of the second terminal equipment B
mIn the communication link system that consists of, realize according to the following steps successively:
Step (1): set up according to the following steps communication link between two users of opposite end:
Step (1.1): as the first client proxy CAID_A of communication initiator user, select described communication initiator user's a first terminal device A
nCarry out initialization as the terminal that sends, and this first terminal device A
nConnection request and access sign AID_A
nSend in the second client proxy CAID_B as communication receiver user, n=1,2 ... N, N are the numbers of described first terminal equipment, and n is the sequence number of described first terminal equipment;
Step (1.2): after described the second client proxy CAID_B receives the connection request described in step (1.1), select described communication receiver user's a terminal equipment B
mRespond as the terminal that receives, obtain network agent sign NAID, and the described first terminal device A as transmitting terminal
nAccess sign AID_A
nAccess sign AID_B with receiving terminal
mSend in described network agent server NAID, m=1,2 ... M, M are the numbers of described the second terminal equipment, and m is the sequence number of described the second terminal equipment;
Step (1.3): described the second client proxy CAID_B, described the second terminal equipment B
mAccess sign AID_B
mNAID sends in described the first client proxy CAID_A with the network agent sign;
Step (1.4): described the first client proxy CAID_A and the second client proxy CAID_B that participate in communicating pair identify described network agent sign NAID and the other side's terminal equipment access in the terminal equipment that sends to separately respectively;
Step (1.5): described first terminal device A
nWith the second terminal equipment B
mSet up one based on the communication for service link of the connection identifiers CID of each client proxy according to the information that receives separately respectively, described connection identifiers CID is to resolve mapping by switching and routing sign RID, and described switching and routing sign RID resolves mapping by access sign AID;
Step (2): communicating pair is served switching according to the following steps in communication process:
Step (2.1): the user as the communication initiator passes through a first terminal device A n transmitting terminal device service handover request, after the first corresponding client proxy receives this service handover request by acquisition module, detects this first terminal device A
nWorking condition and communication capacity, then confirm could execution in step (2.2);
Step (2.2): by the judging module in described the first client proxy CAID_A after receiving that described acquisition module is sent the terminal equipment service handover request of confirmation, determine whether to carry out switching according to the business demand of user described in step (2.1), after determining to carry out switching, described the first client proxy CAID_A is to be switched new terminal device A
n′Access sign AID_A
n′Send to the second client proxy CAID_B to end subscriber, otherwise do not carry out;
Step (2.3): to the new terminal device A of judging module in receiving the step that acquisition module is sent (2.2) in the second client proxy CAID_B of end subscriber
n′Access sign AID_A
n′After, determine whether to carry out terminal equipment service handover request, if carry out, described the second client proxy CAID_B is the new terminal equipment access sign AID_A that receives in step (2.3)
n，Send to described network agent server NAID, and terminal equipment B
m, otherwise do not carry out;
Step (2.4): described network agent server NAID accepts described terminal equipment service handover request, and the feedback information of carrying out or do not carry out switching is sent to described the first client proxy CAID_A;
Step (2.5): described the first described execution of client proxy CAID_A receiving step (2.4) or do not carry out the feedback information of switching after, the second terminal equipment B
mAccess sign AID_B
mSend to new first terminal device A with described network agent sign NAID
n′, send simultaneously the current service state information;
Step (2.6): rebulid through described network agent server NAID by new first terminal device A
n′To the second terminal equipment B
mCommunication for service link CID ';
Step (2.7): described network agent server NAID update service sign SID is to the mapping relations between described CID, make SID be updated to SID to CID ' to described CID, service switch complete after, described service identifiers SID be connection identifiers CID in described network agent server NAID ' the parsing mapping.
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| CN102098228B (en) * | 2011-03-04 | 2012-09-05 | 清华大学 | Integrated management system for mobility of identification network and method thereof |
| CN102201950B (en) * | 2011-06-07 | 2013-10-30 | 北京交通大学 | Method for testing routing performance of core network of integrated identification network |
| CN103036758B (en) * | 2011-10-10 | 2017-02-15 | 中兴通讯股份有限公司 | Method of interconnection and interworking between identifying net and traditional network, access service router (ASR) and interworking service router (ISR) |
| CN103067428B (en) | 2011-10-21 | 2016-08-10 | 华为技术有限公司 | Base station, service processing method and cloud computing system |
| CN110381555B (en) * | 2019-08-12 | 2021-05-28 | 江苏传艺科技股份有限公司 | Data transmission switch management system for 5G terminal |
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| CN1938999A (en) * | 2004-02-13 | 2007-03-28 | 艾利森电话股份有限公司 | Addressing method and method and apparatus for establishing host identity protocol (hip) connections between legacy and hip nodes |
| CN101127663A (en) * | 2007-09-13 | 2008-02-20 | 北京交通大学 | A system and method for access of mobile self-organized network to integrated network |
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| US8331381B2 (en) * | 2007-12-04 | 2012-12-11 | International Business Machines Corporation | Providing visibility of Ethernet components to a subnet manager in a converged InfiniBand over Ethernet network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1938999A (en) * | 2004-02-13 | 2007-03-28 | 艾利森电话股份有限公司 | Addressing method and method and apparatus for establishing host identity protocol (hip) connections between legacy and hip nodes |
| CN101127663A (en) * | 2007-09-13 | 2008-02-20 | 北京交通大学 | A system and method for access of mobile self-organized network to integrated network |
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