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IP network topology discovery research

Author: ZengLin
Tutor: TanMinSheng
School: Nanhua University
Course: Applied Computer Technology
Keywords: The router access priority strategy Adaptive Extended discovery strategy Topology Discovery SNMP Network management system
CLC: TN915.02
Type: Master's thesis
Year: 2011
Downloads: 44
Quote: 0
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Abstract


With the rapid development of network technology and the growing network needs a credible , safe , stable NMS has become the key to the normal operation of the network . How to find the complete network topology , and to establish an effective network topology model , plays an increasingly important role in modern network management . This paper studies the network topology discovery methods and techniques. This paper first analyzes the advantages and disadvantages of the scope of existing ICMP, DNS, OSPF, ARP and SNMP topology discovery algorithm for traditional in accordance with the discovery the routers order them access and limited network topology based on the SNMP network layer topology discovery algorithm found deficiencies in terms of scale , access router priority strategies and adaptive extended discovery strategies and the implementation of the algorithm . The router access priority strategy in the topology discovery the algorithm conditions limit the size of the topology discovery , priority access to the maximum number of connections to the router , which indicates that the strategy can be found more router . Adaptive expansion strategy scale can be expanded depending on the specific circumstances of the network topology discovery , to overcome the limitations of traditional algorithms to detect network topology the specified discovery of scale . This article and then take advantage of the improved strategy for SNMP-based network layer topology discovery algorithm , and the experimental results show that the router access priority strategies , adaptive extended discovery strategy and topology discovery algorithm based on the above strategy can be found in more than the traditional methods topology information . Insufficient to overcome the single topology discovery algorithm , this paper proposes an IP network topology discovery based on SNMP, ARP , and ICMP portfolio . The experimental results show that , compared with the single algorithm , the method to improve the integrity and efficiency of the topology discovery , and reduces the load on the network .

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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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