摘要： 设计了一个基于Linux网桥的计费网关,该网关使用一个有向图来描述全部IPv4地址。讨论了网桥模块中IP地址的组织方法,并对内存分配进行了一些简单管理。

关键词: 树, 有向图, IP地址, 网桥

Abstract: This paper gives out a design of a billing gateway based on Linux bridge, in which the whole IPv4 address space is described by using a digraph. It also shows the organization method and some basic memory management in this system.

中图分类号: 

• TP393.07