A framework for scalable global IP-anycast (GIA)
Proceedings of the conference on Applications, Technologies, Architectures, and Protocols for Computer Communication
A Routing Protocol for Anycast Messages
IEEE Transactions on Parallel and Distributed Systems
IP Anycast: Point-to-(Any) Point Communication
IEEE Internet Computing
Evaluation of a Novel Two-Step Server Selection Metric
ICNP '01 Proceedings of the Ninth International Conference on Network Protocols
Content Distribution Architecture Using Network Layer Anycast
WIAPP '01 Proceedings of the Second IEEE Workshop on Internet Applications (wiapp '01)
Internet indirection infrastructure
IEEE/ACM Transactions on Networking (TON)
ICPADS '04 Proceedings of the Parallel and Distributed Systems, Tenth International Conference
QoS routing for anycast communications: motivation and an architecture for DiffServ networks
IEEE Communications Magazine
A survey of anycast in IPv6 networks
IEEE Communications Magazine
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Anycast is a new communication paradigm defined in IPv6. Different from unicast and multicast routing, routers on the internetwork deliver an anycast datagram to the nearest available node. By shifting the task of resolving destinations from source node to internetwork, anycasting is highly flexible and cost-effective on routing process and inherently load-balanced and robust on server selection. To achieve these objectives, not only ''distance'' but also other metrics, such as load balance, reliability, QoS, can and should be taken into account in anycast routing. The IPv6 basic header is designed in a simple and fixed-length format for the purpose of efficient forwarding. Extra data and options needed for packet processing are encoded into extension headers. Such a design makes possible the adding of extension headers for special purposes. In this paper, we define routing extension headers for IPv6 anycasting to enable various types of anycast routing mechanism. Scenarios are also provided to demonstrate how to apply them.