...个项来代替路由表中许多具有相同下一站 值的项，称为缺省路由（default route）或缺 省路由表项（default routing table entry） 一个路由表中只有一个缺省项，并且比其他项 的优先级低。
基于20个网页-相关网页
并且注意该分类不包括2 +级涵盖前缀，利用路由表项目不超过5%。
Also note that this classification does not include level-2 + covered prefixes, which make less than 5% of the routing table entries.
网络任务处理传入的数据包，并处理定时操作，如处理TCP超时、老化和移除路由表项。
The network task processes incoming packets and takes care of timed operations such as handling TCP timeouts and aging and removing routing table entries.
成功地解决了数以10万计的路由表项的更新、复杂rpr拓扑库的震荡、高成本硬件存贮空间和CPU的开销问题。
It succeeded to resolve the updating of tens of thousands of routing table, the shaking of complex RPR topology database, high cost of hardware storage space and the spending problem of CPU.
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