CN106657230B - Bidirectional service proxy system of communication network and service proxy method thereof - Google Patents
Bidirectional service proxy system of communication network and service proxy method thereof Download PDFInfo
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- CN106657230B CN106657230B CN201610858601.5A CN201610858601A CN106657230B CN 106657230 B CN106657230 B CN 106657230B CN 201610858601 A CN201610858601 A CN 201610858601A CN 106657230 B CN106657230 B CN 106657230B
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Abstract
The invention relates to a bidirectional service agent model suitable for improving the service quality of a communication network, which comprises a network agent, a bidirectional service and a bidirectional service access point. A network proxy is an entity that can perform specific tasks and mask network details for sensing user demands for network quality of service and reacting accordingly. A bi-directional service is a service provided by network agents to each other in both directions simultaneously. A bi-directional service access point is an abstraction of a bi-directional service and is an extension to the service access point, a logical interface, responsible for inter-network proxy communication. The bidirectional service agent model for improving the service quality of the communication network is based on bidirectional service and network agent, which is different from the traditional network based on 'layer' that only the lower layer can provide service for the upper layer; the network agent can intelligently sense the network service quality request of the user and is compatible with the current network, so that the service quality of the network can be fundamentally improved.
Description
Technical Field
The invention relates to the field of network communication technology, in particular to a bidirectional service agent system based on communication network service quality improvement and a service agent method thereof.
Background
The future communication network is an IP network with various system interconnections and various access modes fused, and has the advantages of simplicity, flexibility and the like inherent in the IP network. However, some applications emerging recently are not satisfied by current networks, and most prominently, the requirements of users on network service quality, such as security, mobility, context awareness, customizability, service awareness, energy efficiency, self-organizing services, heterogeneity and the like, are met. Although some existing QoS technologies meet the user's requirements to some extent, such as Int-service, Diff-service, MPLS, etc. These techniques only meet the user's demands for network quality of service to some extent. For example, Int-serve is based on flow reservation, so each node is required to record a large amount of flow information and maintain a huge database, which results in a heavy burden on the core router and is not favorable for expansion. Diff-serv only distinguishes the service types of users, promises only relative services, and cannot provide absolute quality of service. MPLS technology labels packets and processes these labeled packets through a specific switch, which increases hardware cost and burden on the switch. Moreover, the QoS technologies mainly emphasize specific technical parameters based on "layers", and are improved and repaired based on the existing network, which cannot fundamentally meet the diversified and multi-level network quality of service requirements of users.
A new mechanism of an agent model for researching communication network service quality improvement deeply researches a bidirectional service agent system in an all-round and multi-angle way. The method of the invention using the two-way service agent system based on the agent mechanism can fundamentally break the concept of 'layer', and uses the two-way service mechanism and the agent based on the network service requirement of the user, thereby meeting the requirement of the user on the network service quality to a greater extent.
Disclosure of Invention
The invention aims to solve the problem that the service quality of the network is improved in the existing network. A bidirectional service agent system and a service agent method for a communication network are provided. The technical scheme of the invention is as follows:
a communication network two-way service broker system, comprising: the system comprises a network Proxy module, a bidirectional service Bi-S module and a bidirectional service access point Bi-SAP module, wherein the network Proxy module can execute distributed tasks and shield implementation details of a network, is used for sensing the requirement of a user on network service quality and provides corresponding network service quality to the user through self or cooperation among proxies;
the Bi-directional service Bi-S module is used for providing services for agents of the network agent Proxy module simultaneously and mutually, and the Bi-S module provides service quality including bandwidth, channel resources, security level and mobility for users through intelligent perception between the network agent Proxy modules;
the network Proxy module senses the requirement of the user on the network service quality and provides the corresponding network service quality to the user through self or cooperation between the Proxy modules; the Proxy (M) -Proxy and (M +1) -Proxy are used for expressing the bidirectional service between the proxies and the request process of the service, and the method comprises the following steps:
(1) proxy (M) -Proxy makes a quality of service request;
(2) proxy (M +1) -Proxy provides quality of service;
(3) the Proxy (M +1) -Proxy realizes the service quality request of the Proxy (M) -Proxy;
(4) proxy (M) -Proxy senses the quality of service provided by Proxy (M +1) -Proxy;
if the service quality provided by the agent (M +1) -Proxy in the step (4) can not meet the service quality request provided by the agent (M) -Proxy, the service quality request of the user is completed through the cooperation of the Bi-directional service access point Bi-SAP module and the agent (M +1) -Proxy;
(5) the Proxy (M +1) -Proxy selects different service quality strategies according to different service requests of users, including network type, security level and mobility;
(6) after the agent (M +1) -Proxy realizes the service quality request of the user, the agent (M) -Proxy feeds back the service quality request of the agent (M +1) -Proxy;
(7) completing the service quality request of the user by the agent (M) -Proxy, and returning to execute (1) if the service quality request cannot be met;
the Bi-directional service access point Bi-SAP module is an abstraction of Bi-directional service, is an extension of the service access point, is a logical interface and is responsible for communication between network agents, and comprises a core service access point and an enhanced service access point, wherein the core service is a meta service;
the bidirectional service access point Bi-SAP module is an extension of a service access point SAP in OSI/BRM-BM, communication among agents needs to pass through the bidirectional service access point Bi-SAP module, and the bidirectional service access point Bi-SAP module can be divided into a bidirectional service access point Bi-SAP module among peer agents and a bidirectional service access point Bi-SAP module among non-peer agents;
the agents communicate through a Bi-directional service Bi-S module and a Bi-directional service access point Bi-SAP module, wherein the Bi-directional service Bi-S module and the Bi-directional service access point Bi-SAP module comprise communication between peer agents and communication between non-peer agents.
Further, the network Proxy module comprises a plurality of sub-proxies, and each sub-Proxy can execute distributed tasks including any one process, a demand and a task.
Further, the relationship between the network agents includes a plurality of types: from the viewpoint of the types of the agents, the agents can be divided into agents, sub-agents and sub-agents of the sub-agents; the position of the agent in the system can be divided into horizontal, vertical and inclined; from the function of the agent, the agent can be divided into a peer agent, a peer subagent, a non-peer agent and a non-peer subagent.
A service brokering method based on the communication network bidirectional service brokering system, comprising the steps of:
the Proxy (M) -Proxy and (M +1) -Proxy are used for expressing the bidirectional service between the proxies and the request process of the service, and the method comprises the following steps: a user (M) -Proxy provides a service quality request, and a Proxy in a bidirectional service Proxy model converts the service quality request of the user into specific network parameters, message request bandwidth, channel resources, security level and mobility through self-adaptive intelligent sensing and distributes the specific network parameters, the message request bandwidth, the channel resources, the security level and the mobility to the Proxy (M +1) -Proxy to provide the service quality; the Proxy (M +1) -Proxy realizes the service quality request of the (M) -Proxy; the Proxy (M) -Proxy is aware of the quality of service provided by the (M +1) -Proxy; if the service quality provided by the agent (M +1) -Proxy in the step (4) can not meet the service quality request provided by the agent (M) -Proxy, other agents are requested to cooperate; and (3) returning to the step (1) to re-propose the service quality request if the network service quality request of the user cannot be met.
Further, when the service quality provided by the Proxy (M +1) -Proxy can not meet the requirement of the user, a plurality of Proxy cooperation services are adopted.
The invention has the following advantages and beneficial effects:
the invention designs a method for eliminating the concept of 'layer' in the traditional network in the communication network, comprehensively considers the user requirements on the whole, provides services in two ways through agents and can more efficiently meet the requirements of the user on the network service quality. Meanwhile, the bidirectional service agent system for improving the service quality of the communication network enables the network structure to tend to be flat, so that the network structure is simpler, better network service quality is provided, and the bidirectional service agent system is not limited to the idea that the lower layer only can serve the upper layer in the traditional network, thereby better meeting the requirements of users on the network service quality.
Drawings
FIG. 1 is a schematic diagram of a two-way service broker system for quality of service enhancement of a communication network according to a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of proxy capability in a bi-directional service proxy system for communication network QoS enhancement according to the present invention;
FIG. 3 is an exploded view of an exemplary proxy in a two-way service proxy system for quality of service enhancement in a communication network in accordance with the present invention;
fig. 4 is a schematic diagram of bidirectional services in a bidirectional service broker system for improving service quality of a communication network according to the present invention.
Fig. 5 is a schematic diagram illustrating inter-agent cooperation in a bidirectional service agent system for improving service quality of a communication network according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail and clearly with reference to the accompanying drawings. The described embodiments are only some of the embodiments of the present invention.
The technical scheme of the invention is as follows:
as shown in fig. 1, the bidirectional service proxy system for improving service quality of a communication network comprises a proxy, a bidirectional service and a bidirectional service access point; the agent can make self-adaptive intelligent perception on the network service quality request of the user. When a user puts forward a network service quality requirement, the Proxy (M) -Proxy intelligently senses the network service quality requirement of the user. And if the user can meet the network service quality requirement of the user, providing the corresponding network service quality for the user. If the network service quality can not be met, the bidirectional service access point is cooperated with the Proxy (M +1) -Proxy to meet the network service quality requirement of the user together.
When a user puts forward a service quality requirement, the method is realized by the following steps of the bidirectional service agent system:
(1) a user sends out a service quality request (FNQoS Requirements);
(2) proxy (M) -Proxy automatically senses the quality of service request (FNQoS accept) of the user;
(3) proxy (M) -Proxy maps the user's quality of service request to different parameters (FNQoS Mapping);
(4) when the agent (M) -Proxy alone can not satisfy the service quality request of the user, the service quality request of the user is completed through the cooperation of the bidirectional service access point (Bi-SAPs) and the agent (M +1) -Proxy, and when the agent (M +1) -Proxy can not satisfy the service quality request of the user, the service quality request of the user is completed together through the cooperation of the bidirectional service access point (Bi-SAPs) and other agents;
(5) the Proxy (M +1) -Proxy selects different quality of service policies according to different service requests of the user, for example: network type, security level, mobility, etc.;
(6) after the agent (M +1) -Proxy realizes the service quality request of the user, the agent (M) -Proxy makes Feedback (FNQoS Feedback) to the service quality request of the agent (M +1) -Proxy;
(7) completing the service quality request of the user by the agent (M) -Proxy, and returning to execute (1) if the service quality request cannot be met;
as shown in fig. 2 and 3, the agents have a variety of capabilities and may perform specific tasks, such as the agents being trusted, intelligently aware, executing specific algorithms and policies, etc., where the agents may be composed of sub-agents.
As shown in fig. 4, a bi-directional service access point is used between agents, which can provide services to each other in both directions simultaneously.
As shown in fig. 5, when the Proxy (M +1) -Proxy cannot satisfy the service request of the user, the service quality requirement of the user is realized by the Proxy (M) -Proxy cooperating with other proxies ((M-1) -Proxy, (M +2) -Proxy, (M +3) -Proxy, etc.).
The above examples are to be construed as merely illustrative and not limitative of the remainder of the disclosure. After reading the description of the invention, the skilled person can make various changes or modifications to the invention, and these equivalent changes and modifications also fall into the scope of the invention defined by the claims.
Claims (5)
1. A bidirectional service broker system for a communication network, comprising: the system comprises a network Proxy module, a bidirectional service Bi-S module and a bidirectional service access point Bi-SAP module, wherein the network Proxy module can execute distributed tasks and shield implementation details of a network, is used for sensing the requirement of a user on network service quality and provides corresponding network service quality to the user through self or cooperation among proxies;
the Bi-directional service Bi-S module is used for providing services for agents of the network agent Proxy module simultaneously and mutually, and the Bi-S module provides service quality including bandwidth, channel resources, security level and mobility for users through intelligent perception between the network agent Proxy modules;
the network Proxy module senses the requirement of the user on the network service quality and provides the corresponding network service quality to the user through self or cooperation between the Proxy modules; with agents(M)-ProxyAnd agent(M+1)-ProxyTo express a bidirectional service between agents and a request process of the service, comprising the steps of:
(1) agent(M)-ProxyA service quality request is put forward;
(2) agent(M+1)-ProxyProviding quality of service;
(3) agent(M+1)-ProxyImplementing agents(M)-ProxyQuality of service request of (2);
(4) agent(M)-ProxySensing agent(M+1)-ProxyThe quality of service provided;
if the agent is in the step (4)(M+1)-ProxyThe quality of service provided cannot satisfy the proxy(M)-ProxyWhen the service quality is requested, the Bi-SAP module and the agent pass through the bidirectional service access point(M+1)-ProxyCollaborate to complete a quality of service request for a user;
(5) agent(M+1)-ProxySelecting different service quality strategies including network type, security level and mobility according to different service requests of users;
(6) agent(M+1)-ProxyAfter the service quality request of the user is realized, the agent is processed(M)-ProxyTo agents(M+1)-ProxyMaking feedback on the service quality request;
(7) by proxy(M)-ProxyCompleting the service quality request of the user, and if the service quality request cannot be met, returning to execute the step (1);
the Bi-directional service access point Bi-SAP module is an abstraction of Bi-directional service, is an extension of the service access point, is a logical interface and is responsible for communication between network agents, and comprises a core service access point and an enhanced service access point, wherein the core service is a meta service;
the bidirectional service access point Bi-SAP module is an extension of a service access point SAP in OSI/BRM-BM, communication among agents needs to pass through the bidirectional service access point Bi-SAP module, and the bidirectional service access point Bi-SAP module can be divided into a bidirectional service access point Bi-SAP module among peer agents and a bidirectional service access point Bi-SAP module among non-peer agents;
the agents communicate through a Bi-directional service Bi-S module and a Bi-directional service access point Bi-SAP module, wherein the Bi-directional service Bi-S module and the Bi-directional service access point Bi-SAP module comprise communication between peer agents and communication between non-peer agents.
2. The system of claim 1, wherein the network Proxy module comprises a plurality of sub-proxies, each of which can execute an assigned task including any one of a process, a demand, and a task.
3. A bi-directional service broker system according to claim 1 or 2 wherein the relationships between the network brokers include a plurality of: from the viewpoint of the types of the agents, the agents can be divided into agents, sub-agents and sub-agents of the sub-agents; the position of the agent in the system can be divided into horizontal, vertical and inclined; from the function of the agent, the agent can be divided into a peer agent, a peer subagent, a non-peer agent and a non-peer subagent.
4. A service broker method for a bidirectional service broker system based on a communication network according to claim 1, comprising the steps of:
with agents(M)-ProxyAnd agent(M+1)-ProxyTo express a bidirectional service between agents and a request process of the service, comprising the steps of: agent(M)-ProxyThe Proxy in the bidirectional service Proxy model converts the service quality request of the user into specific network parameters and message request bandwidth, channel resources, security level and mobility through self-adaptive intelligent perception and distributes the specific network parameters, the message request bandwidth, the channel resources, the security level and the mobility to the Proxy(M+1)-ProxyProviding quality of service; agent(M+1)-ProxyImplementing agents(M)-ProxyQuality of service request of (2); agent(M)-ProxySensing agent(M+1)-ProxyThe quality of service provided; if the agent is in the step (4)(M+1)-ProxyThe quality of service provided cannot satisfy the proxy(M)-ProxyWhen the service quality is requested, other agents are requested to cooperate; and (3) returning to the step (1) to re-propose the service quality request if the network service quality request of the user cannot be met.
5. The service brokering method of claim 4, wherein the current broker is(M+1)-ProxyWhen the provided service quality can not meet the user requirement, a plurality of agent cooperation services are adopted.
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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 |
| CN112929209B (en) * | 2021-01-25 | 2023-05-16 | 重庆华联众智科技有限公司 | Method for improving network service quality based on agent model customization on demand |
| CN113079031B (en) * | 2021-02-22 | 2022-07-08 | 四川惟邦新创科技有限公司 | Method for establishing ordered link based on intelligent agent to improve network service quality |
| 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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