Abstract: Considering the requirement for dissemination and transmission of the real-time message, thinking IPv6 as the main communication platform of the underlying message, a real-time information dissemination system base on IPv6 multicast is designed. The system includes source access, distribution control and information dissemination. Depend on progressive confirmation and extended confirmation, the paper shows the information processing of distributed client and distributed server, proposes a method based on reliable multicast, and analyzes the performance of the methods. The result shows that information dissemination with high reliability, efficiency and extensible can be obtained by the application in an instance.

Key words: information dissemination, multicast, IPv6

摘要： 针对实时信息分发以及传输的要求，以IPv6作为消息底层主要通信平台，构建了IPv6组播环境中的实时信息分发系统，系统主要包括信源接入、分发控制以及信息分发三个部分。通过累计确认以及扩展确认相结合的方式，给出了分发客户端和分发服务器端的信息处理流程，提出了一种基于可靠数据组播传输的分发方法，并对该方法进行了性能分析，通过一个应用实例实现了可靠的、高效的、可扩展的实时信息分发服务。

关键词: 信息分发, 组播, IPv6