Dissertation > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Operating system > Network operating system >

Linux Anycast Routing Protocol Design and Implementation

Author YanGuoFeng
Tutor WangJianXin
School Central South University
Course Applied Computer Technology
Keywords Soft router Anycast address Mapping table SPR MPR
CLC TP316.81
Type Master's thesis
Year 2004
Downloads 129
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Anycast is a new network service in IPv6 , it is automatically configured on the host , the network load balancing application are very extensive . Anycast Routing Protocol is key to ensure that Anycast service can achieve the Anycast routing protocol directly determines the availability and efficiency of Anycast services . This article discusses the Anycast routing protocols in the Linux kernel design and implementation techniques . The systems generally divided into the kernel the Anycast routing data processing , Anycast mapping table information exchange and update of Dynamic Host Anycast group members information management three parts . The kernel the Anycast routing data processing part of the realization of Anycast address mapping algorithm mapping table maintenance , including the Anycast Routing software design and Anycast routing process . In this section, the system adds a core data structure - mapping table , the completion of the the Anycast address to Unicast address translation . By Anycast mapping table information exchange system designed as a daemon, a mapping table for exchanging information between the dynamic update of the kernel mapping table information and routers . Control through information communication and user intervention Anycast members to achieve the dynamic management of the Anycast members . Group management , through the use of full IPv6 addresses and IPv4- compatible IPv6 addresses two address mapping table information exchange and Anycast routing based the HTTP application service test , the test results show that the system is properly designed , can effectively achieve the forwarding of the Anycast data reported . Secondly, in the discussion the SPR and MPR routing characteristics on the basis of a new dynamic the Anycast routing the algorithm - DARLB algorithm , The algorithm is based on the network topology and link state information , dynamic use SPR or MPR route , to take full advantage of the link-state information to achieve route optimization . In short , the paper Anycast routing technology in-depth research to provide scientific reference for further exploration of Anycast and related application .

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