CN106657230A - Communication network two-way service proxy model and service proxy method thereof - Google Patents
Communication network two-way service proxy model and service proxy method thereof Download PDFInfo
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- CN106657230A CN106657230A CN201610858601.5A CN201610858601A CN106657230A CN 106657230 A CN106657230 A CN 106657230A CN 201610858601 A CN201610858601 A CN 201610858601A CN 106657230 A CN106657230 A CN 106657230A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
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Abstract
The present invention discloses a two-way service proxy model suitable for improving the quality of service of a communication network. The two-way service proxy model includes network proxies, two-way services and a two-way service access point; the network proxy is an entity that can perform specific tasks and block the specific details of the network and is used for sensing the requirements of a user for network service quality and responding accordingly; the two-way services are services provided between the network proxies in two directions simultaneously; and the two-way service access point is the abstraction of the two-way services and the extension of a service access point, is a logical interface and is responsible for communication between the network proxies. The two-way service proxy model suitable for improving the quality of service of the communication network is based on the two-way services and the network proxies, and therefore, the two-way service proxy model is different from a traditional model according to which only a lower layer can provide services for an upper layer in a layer-based network; the network proxies can intelligently sense the network service quality requirements of the user, can be compatible with a current network, and can fundamentally improve the quality of service on the network.
Description
Technical field
The present invention relates to the field of the network communications technology, is specifically related to based on the two-way of communications network service increased quality
Service broker's model and its service broker method.
Background technology
Following communication network will be the IP network of multiple systems interconnection and plurality of access modes fusion, with IP network
The advantage such as simplicity, flexibility.But newest some applications for emerging are again that current network cannot meet, wherein
Most prominent is exactly demand of the user to network service quality, such as security, mobility, context-aware, customizability, service
Perception, energy efficiency, hoc service, isomerism etc..Although existing some QoS technologies meet to a certain extent user's
Demand, such as Int-serve, Diff-serv, MPLS.But these technologies simply meet to a certain extent user and network are taken
The demand of business quality.If Int-serve is, based on the reserved of stream, to it requires that each node needs to record the information of substantial amounts of stream
With one huge database of maintenance, this causes core router burden too heavy, is unfavorable for extension.And Diff-serv is right
The type service of user makes a distinction, and only promises to undertake relative service, it is impossible to provide absolute service quality.MPLS technology is logarithm
It is marked according to bag, these markd packets are processed by specific switch, this can increases hardware cost
With the burden of switch.It is on existing network basis and these QoS technologies are mainly emphasized based on the particular technique parameter of " layer "
On be improved and repair, it is impossible to fundamentally meet the variation of user and multi-level network service quality demand.
The new mechanism of the agent model of research communications network service increased quality, is furtherd investigate by comprehensive, multi-angle
Bi-directional service agent model.The present invention can be abolished fundamentally using the method for the bi-directional service agent model based on agency mechanism
The concept of " layer ", from the network service requirement of user, using bi-directional service mechanism and agency, this can be to a greater extent
Meet demand of the user to network service quality.
The content of the invention
Present invention seek to address that existing network is in the not enough problem for lifting network service quality.Propose a kind of communication network
Bi-directional service agent model and its service broker method.Technical scheme is as follows:
A kind of communication network bi-directional service agent model, it includes:Network agent Proxy modules, bi-directional service Bi-S mould
Block and bi-directional service accessing points Bi-SAP module, wherein network agent Proxy modules can perform the task and gauze screen of distribution
Network implements details, provides the user efficient transparent service, is additionally operable to perceive demand of the user to network service quality
And by itself or the corresponding network service quality of Proxy coordinations offer is acted on behalf of to user;
Bi-directional service Bi-S module, for providing for simultaneously mutual between the agency of network agent Proxy modules and agency
Service (bandwidth, expectation handling capacity, flow control, Error Control, loss re-transmission, timing_delay estimation etc.), by bi-directional service Bi-S
Module is enabled to act on behalf of Proxy intermodules and efficiently provides service, so as to provide the user service;Bi-directional service accessing points
Bi-SAP modules are extensions to the abstract of bi-directional service and to service access point, are an interfaces in logic, are responsible for network
Communication between agency, including kernel service and enhancing service, are all the bases of the protocol modeling language of the following concrete network of design.Core
Service is first (Meta) service.Further, the network agent Proxy modules include several sub-agents, each sub-agent
The task of distribution can be performed includes any one process, a kind of demand, a task.
Further, the relation between the network agent is comprising various:Agency can be divided into from from the point of view of the type of agency, son
Agency, the sub-agent of sub-agent;Can be divided into level, vertically, tiltedly from the point of view of the position of system from agency;Come from the function of agency
Seeing can be divided into peer agent, reciprocity sub-agent, asymmetrical agency, asymmetrical sub-agent.
Further, the network agent Proxy modules perceive user to the demand of network service quality and pass through
Itself acts on behalf of Proxy intermodules and cooperates with each other to provide corresponding network service quality to user;With generation
Reason (M)-Proxy and (M+1)-Proxy is comprised the following steps come the request process for stating the bi-directional service between agency and service:
(1) act on behalf of (M)-Proxy and propose quality of service request;
(2) act on behalf of (M+1)-Proxy and service quality is provided;
(3) quality of service request that (M+1)-Proxy realizes (M)-Proxy is acted on behalf of;
(4) act on behalf of (M)-Proxy and perceive the service quality that (M+1)-Proxy is provided;
(5) if the service quality that agency (M+1)-Proxy is provided in step (4) can not meet agency (M)-Proxy and carry
During the QoS requirement for going out, then return to step (1) is continued executing with.
Further, the bi-directional service accessing points Bi-SAP module is to service access point SAP in OSI/BRM-BM
Extension, the communication between agency is required for by bi-directional service accessing points, and bi-directional service accessing points can be divided between peer agent
Bi-directional service accessing points between bi-directional service accessing points and asymmetrical agency.
Further, communicated by bi-directional service and bi-directional service accessing points between the agency, including right
Deng communication and the communication between asymmetrical agency between agency.
A kind of service broker method based on communication network bi-directional service agent model, it is comprised the following steps:
The bi-directional service between agency and the request process for servicing, bag are stated with agency (M)-Proxy and (M+1)-Proxy
Include following steps:User (M)-Proxy proposes quality of service request, and the agency in bi-directional service agent model is by adaptive
Intellisense the QoS requirement of user be converted to specific network know parameter and message request distribute to agency (M+1)-
Proxy, and provide service quality by agency (M+1)-Proxy;Agency (M+1)-Proxy realizes the service of agency (M)-Proxy
Quality request;Agency (M)-Proxy perceives the service quality that (M+1)-Proxy is provided;If the middle agency (M+1) of step (4)-
Proxy provide service quality can not meet agency (M)-Proxy proposition QoS requirement when, then agency (M+1)-
Proxy proposes quality of service request again by asking other agencies then to return.
Further, when acting on behalf of the service quality that (M+1)-Proxy provides and can not meet user and require, at this moment multiple generations
Cooperated jointly with realizing the demand for services of user between reason.
Advantages of the present invention and have the beneficial effect that:
The present invention devises a kind of " layer " concept abolished in a communication network in legacy network, comprehensive on the whole to examine
Consider user's request, by two-way offer service between agency, can more efficiently meet user to network service quality demand.Together
When the present invention the bi-directional service agent model for communications network service increased quality so that network structure tends to flattening,
This causes network structure simpler, is more beneficial for providing preferable network service quality, while being not limited in legacy network
Lower floor is only the thought of top service, so as to better meet demand of the user to network service quality.
Description of the drawings
Fig. 1 is that the present invention provides bi-directional service agent model of the preferred embodiment for communications network service increased quality
Schematic diagram;
Fig. 2 is based on agent capability in the bi-directional service agent model for communications network service increased quality of the invention
Schematic diagram;
Fig. 3 is based on dividing for acting on behalf of in the bi-directional service agent model for communications network service increased quality of the invention
Solution exemplary plot;
Fig. 4 is based on bi-directional service in the bi-directional service agent model for communications network service increased quality of the invention
Schematic diagram.
Fig. 5 is to assist between agency based in the bi-directional service agent model for communications network service increased quality of the invention
Make schematic diagram.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, detailed
Carefully describe.Described embodiment is only a part of embodiment of the present invention.
Technical scheme is as follows:
As shown in figure 1, this bi-directional service agent model for communications network service increased quality, its include agency,
Bi-directional service, bi-directional service accessing points;Agency can make adaptive intelligence sense to the request of the network service quality of user
Know.When user proposes network service quality demand, the network service quality demand of (M)-Proxy Intellisense users is acted on behalf of.
Corresponding network service quality is provided if when itself disclosure satisfy that the network service quality demand of user to user.If itself is not
When can meet, then cooperated with agency (M+1)-Proxy by bi-directional service accessing points, the network service of user is met jointly
Quality requirement.
When user proposes QoS requirement, realized by the following steps of bi-directional service agent model:
(1) user sends quality of service request (FNQoS Requirements);
(2) quality of service request (FNQoS Perceive) of (M)-Proxy automatic sensing users is acted on behalf of;
(3) act on behalf of (M)-Proxy and the quality of service request of user is mapped as different parameters (FNQoS Mapping);
(4) when agency (M)-Proxy can not individually meet the quality of service request of user, then visited by bi-directional service
Ask that point (Bi-SAPs) cooperates with completing the quality of service request of user with agency (M+1)-Proxy, as agency (M+1)-Proxy
When can not meet the quality of service request of user, then carried out with other agencies by bi-directional service accessing points (Bi-SAPs)
Cooperation, completes the quality of service request of user jointly;
(5) act on behalf of (M+1)-Proxy and select different quality of service policys according to the different service requests of user, for example:
Network type, safe class, mobility etc.;
(6) act on behalf of (M+1)-Proxy to realize after the quality of service request of user, to acting on behalf of (M)-Proxy to agency (M+
1) quality of service request of-Proxy makes feedback (FNQoS Feedback);
(7) quality of service request of user is completed by agency (M)-Proxy, if can not meet, is returned and is performed
(1);
As shown in Figures 2 and 3, agency has multi abilities, can perform specific task, and such as agency is believable, intelligence
Can perceive, perform specific algorithm and strategy etc., wherein agency can be made up of sub-agent.
As shown in figure 4, bi-directional service accessing points are used between agency, can make between agency in the two directions mutually simultaneously
Service is provided.
As shown in figure 5, when act on behalf of (M+1)-Proxy can not meet the service request of user when, then by act on behalf of (M)-
Proxy is cooperated with realizing the clothes of user with other agencies ((M-1)-Proxy, (M+2)-Proxy, (M+3)-Proxy etc.)
Business quality requirement.
The above embodiment is interpreted as being merely to illustrate the present invention rather than limits the scope of the invention.
After the content of the record for having read the present invention, technical staff can make various changes or modifications to the present invention, these equivalent changes
Change and modification equally falls into the scope of the claims in the present invention.
Claims (8)
1. a kind of communication network bi-directional service agent model, it is characterised in that include:Network agent Proxy modules, bi-directional service
Bi-S modules and bi-directional service accessing points Bi-SAP module, wherein network agent Proxy modules can perform the task of distribution simultaneously
Shield network realizes details, efficient transparent service is provided the user, for perceiving demand of the user to network service quality
And by the cooperation between itself or agency corresponding network service quality is provided to user;
Bi-directional service Bi-S module, for providing service, Bi-S moulds for simultaneously mutual between the agency of network agent Proxy modules
Block is provided the user including bandwidth, channel resource, safe class, movement in network agent Proxy intermodules by Intellisense
Property is in interior service quality;
Bi-directional service accessing points Bi-SAP module be to the abstract of bi-directional service and be the extension to service access point, one patrol
Interface on volume, the communication being responsible between network agent, including kernel service accessing points and enhancing service access point, are all to design not
Come the basis of the protocol modeling language of concrete network, kernel service is meta service.
2. communication network bi-directional service agent model according to claim 1, it is characterised in that the network agent
Proxy modules include several sub-agents, and each sub-agent can perform the task of distribution includes any one process, Yi Zhongxu
Ask, a task.
3. communication network bi-directional service agent model according to claim 1 and 2, it is characterised in that the network agent
Between relation comprising various:Can be divided into agency, sub-agent, the sub-agent of sub-agent from from the point of view of the type of agency;Exist from agency
Level, vertically, tiltedly can be divided into from the point of view of the position of system;Peer agent, reciprocity filial generation can be divided into from from the point of view of the function of agency
Reason, asymmetrical agency, asymmetrical sub-agent.
4. communication network bi-directional service agent model according to claim 3, it is characterised in that the network agent
Proxy modules perceive demand of the user to network service quality, and by itself or the cooperation offer for acting on behalf of Proxy intermodules
Corresponding network service quality is to user;
With agency (M)-Proxy and (M+1)-Proxy come state agency between bi-directional service and service request process, including with
Lower step:
(1) act on behalf of (M)-Proxy and propose quality of service request;
(2) act on behalf of (M+1)-Proxy and service quality is provided;
(3) quality of service request that (M+1)-Proxy realizes (M)-Proxy is acted on behalf of;
(4) act on behalf of (M)-Proxy and perceive the service quality that (M+1)-Proxy is provided;
(5) if the service quality that agency (M+1)-Proxy is provided in step (4) can not meet agency (M)-Proxy propositions
During QoS requirement, then return to step (1) is continued executing with.
5. communication network bi-directional service agent model according to claim 1, it is characterised in that the bi-directional service is accessed
Point Bi-SAP modules are the extensions to service access point SAP in OSI/BRM-BM, and the communication between agency is required for by two-way clothes
Business accessing points, bi-directional service accessing points can be divided into two-way between the bi-directional service accessing points between peer agent and asymmetrical agency
Service access point.
6. communication network bi-directional service agent model according to claim 5, it is characterised in that by double between the agency
Communicated to service and bi-directional service accessing points, including logical between the communication between peer agent and asymmetrical agency
Letter.
7. a kind of service broker method based on communication network bi-directional service agent model described in claim 1, it is characterised in that
Comprise the following steps:
With agency (M)-Proxy and (M+1)-Proxy come state agency between bi-directional service and service request process, including with
Lower step:User (M)-Proxy proposes quality of service request, and Proxy is acted on behalf of by self adaptation in bi-directional service agent model
Intellisense the QoS requirement of user is converted to specific network parameter and message request bandwidth, channel resource, peace
Congruent level, mobility, distribute to agency (M+1)-Proxy and provide service quality;Agency (M+1)-Proxy realizes (M)-Proxy
Quality of service request;Agency (M)-Proxy perceives the service quality that (M+1)-Proxy is provided;If agency (M+ in step (4)
1) when the service quality that-Proxy is provided can not meet the QoS requirement of agency (M)-Proxy propositions, then by request
Other agencies are cooperated;If be not met by the network service quality demand of user, return to step (1) proposes clothes again
Business quality request.
8. communication network bi-directional service Proxy Method according to claim 7, it is characterised in that as agency (M+1)-Proxy
When the service quality of offer can not meet user and require, at this moment using multiple proxy collaboration services.
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Cited By (4)
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CN109743391A (en) * | 2019-01-03 | 2019-05-10 | 重庆邮电大学 | Bi-directional service model based on intelligent agent |
CN112929209A (en) * | 2021-01-25 | 2021-06-08 | 重庆华联众智科技有限公司 | Method for improving network service quality based on agent model on-demand customization |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109743391A (en) * | 2019-01-03 | 2019-05-10 | 重庆邮电大学 | Bi-directional service model based on intelligent agent |
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CN113411196B (en) * | 2021-03-09 | 2022-11-15 | 四川岁月文明科技有限公司 | Method and system for measuring intelligent agent cooperative effect |
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