Current Internet adopts IP-based network-layer routing and name resolution-based Domain name System (DNS) application-layer routing.

现有互联网采用了基于IP地址的网络层路由技术和基于域名解析的域名服务器(DNS)应用层路由技术。

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Minimum diameter application layer multicast routing with degree constraints has been proved to be a NP-complete problem.

本文研究了带度约束的最小直径应用层网络多播路由问题，提出了解决该问题的启发式遗传算法。

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