Analysis and Solution of Anycast Scalability in IPV6

Analysis and Solution of Anycast Scalability in IPV6

The existing designs for providing anycast services are either to confine each anycast group to a preconfigured topological region or to globally distribute routes to individual anycast groups which cause the routing tables to grow proportionally to the number of all global anycast groups in the entire Interact. Both of the two mothods restrict and hinder the application and development of anycast services. A new kind of anycast communication model is proposed in this paper, which radically solves existing scalability problem of anycast and allows anycast members to freely leave and join anycast group. In addition, this model accomplishes the distributed maintenance and transaction of the information on anycast members and achieves the load balance. This paper analyzes and discusses the feasibility and performance of this communication model, and argues that it is able to support the large-scale anycast group.