The integrated IP packet can be caught by the transparent gateway, so the accounting system can not only billing network usage by a person but also controlling the action of user and monitoring network performance.

• 由于透明网关能获得完整IP数据包,因此透明网关不但能统计用户流量而且能控制用户上网行为和监控网络性能,具有较大的开发价值和应用前景。