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任播技术是一种新的网络应用。任播通信是支持导向服务地址的,但是目前IPv6中它的很多定义是模糊的,并且在控制路由方面没有达成一致的协议标准,因此节点间任播通信仍然无法实现。该文首先说明了基于IPv6的任播通信,及目前在该领域中存在许多可能的应用,并指出一些问题和与之对应的解决办法,随后介绍了一种使用特殊任播地址来建立TCP连接的任播地址解析协议,使得任播地址在适应已经存在的应用和高层协议时,不需要修改或者扩展的情况下更加有效。
Anycast technology is a new web application. Anycast communication supports the guide service address, but at present many of its definitions in IPv6 are ambiguous and there is no consistent protocol standard for controlling routing. Therefore, anycast inter-node communication still can not be implemented. This paper first describes the IPv6-based anycast communication, and currently there are many possible applications in this area, pointing out some problems and corresponding solutions, then introduces a use of anycast address to establish a TCP connection Anycast address resolution protocol, making anycast address adaptation to existing applications and high-level protocols, without the need to modify or expand more effective.