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首页> 外文期刊>International Journal of Network Management >A scheme for solving Anycast scalability in IPv6
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A scheme for solving Anycast scalability in IPv6

机译：解决IPv6中Anycast可伸缩性的方案

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摘要

The existing designs for providing Anycast services are either to confine Anycast groups to a preconfigured topo-logical region or to distribute Anycast groups globally across the whole Internet. The latter causes routing tables to grow proportionally to the number of global Anycast groups in the entire Internet and both of the above designs restrict and hinder the application and development of Anycast services. A new kind of Anycast communication scheme is proposed in this paper. This scheme adopts a novel Anycast address structure which can achieve a dynamic Anycast group while allowing Anycast members to freely leave and join the Anycast group without geographical restriction and it effectively solves the expanding explosion of the Anycast routing table. In addition, this scheme can evenly disperse Anycast request messages from clients across the Anycast servers of one Anycast group, thus achieving load balance. This paper analyzes the communication scheme in depth and discusses its feasibility and validity. The experimental data in IPv6 simulation demonstrate that the TRT (Total Response Time) of one Anycast service (e.g., file downloading) acquired through this communication scheme is shorter by 15% than that through the existing Anycast communication scheme.
机译：提供Anycast服务的现有设计是将Anycast组限制在预先配置的拓扑区域中，或者将Anycast组分布在整个Internet上。后者导致路由表与整个Internet中的全局Anycast组的数量成比例地增长，并且上述两种设计都限制并阻碍了Anycast服务的应用和开发。本文提出了一种新型的Anycast通信方案。该方案采用新颖的Anycast地址结构，可以实现动态Anycast组，同时允许Anycast成员自由离开并加入Anycast组，而不受地域限制，并且有效地解决了Anycast路由表的扩展问题。另外，该方案可以将来自客户端的Anycast请求消息均匀地分散到一个Anycast组的Anycast服务器上，从而实现负载平衡。本文对通信方案进行了深入分析，并讨论了其可行性和有效性。 IPv6仿真中的实验数据表明，通过该通信方案获取的一种Anycast服务（例如文件下载）的TRT（总响应时间）比通过现有Anycast通信方案所获得的TRT（总响应时间）短15％。

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