One of the bottlenecks of the router performance is the IP packet forwarding speed.
而制约高性能网络路由器性能的瓶颈之一是IP报文的转发速度。
This paper presents a design method of fast IP packet forwarding components and their implementation.
针对当前先进的路由器体系结构，介绍了一种快速IP报文转发部件的设计方法及实现。
Fast IP address lookup in the routers is therefore crucial to achieve the packet forwarding rates required.
因而快速的IP地址查找，就成为获得所需的数据包转发率的关键。
Routing lookup plays a key part of packet forwarding, so fast IP address lookup algorithm is the significant part of high speed packet forwarding.
查找路由表以给出下一跳地址是路由器中分组转发的核心步骤，因此快速的路由查表算法是实现高速分组转发的关键。
IP forwarding works in layer 3, using the address of each input packet to decide how to forward it; that is to say, forwarding is based on IP addresses.
IP转发工作在第三层，利用每个输入包的地址来决定如何转发包，转发的依据是IP地址。
Since multicast may have many receivers, for effective transmission, the router needs a tree to join multiple IP members, with Multicast RIP and its data packet forwarding function.
多点广播的接收方可能很多，为了有效地进行传输，路由器要构造一个连接IP多点广播组所有成员的树，采用多点广播路由选择协议并启用多点广播数据包转发功能。
Since multicast may have many receivers, for effective transmission, the router needs a tree to join multiple IP members, with Multicast RIP and its data packet forwarding function.
多点广播的接收方可能很多，为了有效地进行传输，路由器要构造一个连接IP多点广播组所有成员的树，采用多点广播路由选择协议并启用多点广播数据包转发功能。
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