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Research and Implementation of the Congitive Routing and Queue Scheduling Stragegy Control Technology

Author: LuoZhangQing
Tutor: LiYuHong
School: Beijing University of Posts and Telecommunications
Course: Computer Science and Technology
Keywords: Routing control strategy Queue scheduling Traffic Shaping Qdisc
CLC: TN915.02
Type: Master's thesis
Year: 2010
Downloads: 53
Quote: 1
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Abstract


In the fixed network, the router can provide reliable data forwarding service, routing and queue scheduling policy does not have the adaptive capacity of the network environment, only in the specific network environment to maintain optimal performance in a dynamic network environment can not provide reliable data forwarding service, guarantee the quality of service of the business, and therefore need to study the adaptive routing strategies and queue scheduling policy, adjust the routing and queue scheduling policy based on the state of the network, thereby reasonable to adjust the allocation of resources to ensure the quality of service of the business. In view of the above problems, this work includes two aspects, first, the implementation mechanism for the study and analysis of existing routing protocols and adaptive routing policy control technology the (Cognitive Routing Technology referred to as CR), and design control and adaptive routing strategy system routing protocol communication interface;, research and analysis of the implementation of the Linux traffic control mechanism, and propose and implement a new queuing disciplines. Adaptive routing policy control technology, research and learning OSPF routing protocol, the principle of detailed research and analysis to identify the key factors that affect network convergence, and a detailed analysis of the implementation process of the OSPF routing protocol, followed by study and analysis of the realization of the principle of adaptive routing policy control system, adaptive routing policy control system with OSPF protocol after communication, adaptive routing policy control system makes the OSPF routing protocol through the action of the of communication interfaces guidance of OSPF, according to the network status respond quickly. Adaptive queue scheduling policy control technology, this paper focuses on the analysis of the QoS support of the Linux operating system, including the queue scheduling algorithm, traffic shaping, congestion control research and analysis, and in-depth analysis of the Linux traffic control implementation process . On the basis of in-depth understanding of the implementation mechanism of Linux traffic control and a new queue regulations the PDQ (priority the drr queuing is the) in the PDQ qdiscs contains two queue scheduling algorithm PQ (Priority Queue) DRR (Deficit Round Robin), the two algorithms for the same queue scheduling, that is, both the scheduling queue is the same, just with a different scheduling strategies because both share the same storage structure, thereby providing both scheduling The strategy of fast switching.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Communication network > General issues > Communication network structure and design
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