PIA-SM: multicast based IPv6 anycast routing protocol
by Satoshi Matsunaga, Shingo Ata, Hiroshi Kitamura, Masayuki Murata
International Journal of Internet Protocol Technology (IJIPT), Vol. 1, No. 3, 2006

Abstract: Today, the use of anycast address is quite limited. One of the reasons is that there is no routing protocol providing a global anycasting service. In this paper we design and implement a new anycast routing protocol called PIA-SM (Protocol Independent Anycast – Sparse Mode). We focus on PIM-SM (Protocol Independent Multicast – Sparse Mode), which is one of multicast routing protocols available now, to develop an anycast routing protocol, because anycast and multicast have many similar properties. We modified PIM-SM based on differences between multicast and anycast. We next describe the technical issues to be solved in the implementation of PIA-SM. We also show some experimental results to demonstrate PIA-SM, and verify that PIA-SM enables routers to forward an anycast packet to an appropriate node of multiple candidate nodes.

Online publication date: Mon, 08-May-2006

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