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The Architecture of Policy-based QoS Control System in Mobile Environment

Author: LiuLin
Tutor: LiuYanZuo
School: Jilin University
Course: Software Engineering
Keywords: Mobile switching QoS Policy-based network management COPS Consult
CLC: TP393.08
Type: Master's thesis
Year: 2008
Downloads: 51
Quote: 0
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Abstract


Quality assurance services in the mobile environment is a complex of urgent problems , and policy-based network management advantages of the dynamic changes in the network management system can better adapt to the network . The main difference by comparing the QoS guarantee method in the mobile the Environment and fixed environments , this paper analyzes how to use policy-based network management method to protect mobile network quality of service , that is used in a mobile environment policy-based network management thinking . At the same time , policy-based resource management entities in the mobile environment , the internal structure of the local policy manager , global policy management and policy enforcement point a detailed analysis and strategy given concrete form . In the process of resource reservation in the mobile environment , \Two \quality of service of the mobile environment . This article uses the COPS protocol as a negotiation protocol between the entities , depending on the type of application and the needs of the service quality , the state machine of the client and server on the basis of the Internet standard RFC2748 and COPS protocol packet format. expansion , increase consultation extended signaling , and thus able to adapt to the requirements of the agreement negotiated by the \Finally, the simulation using the Java programming language design and implementation of a the two negotiation mechanism specific process .

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