But we gladly trade the wasteful inefficiencies of multiple routing in order to keep the Internet's remarkable flexibility.
多路由选择既浪费且效率低下，但我们很高兴可以借此保证互联网的非凡灵活性。
As core router may be used in all kinds of environments, it must implement multiple routing protocols, including RIP, OSPF, IS-IS, BGP and other Interior or Exterior routing protocols.
核心路由器可能应用于各种环境，它必须提供多种路由协议，包括RIP、OSPF、IS-IS以及BGP等内部和外部网关路由协议。
A common idiom in the existing best practices is to use the cluster as the top-level namespace and configure multiple separate clusters to provide namespace isolation and routing.
现有最佳实践中的一种常见风格是使用集群作为顶级命名空间，并配置多个单独的集群以提供命名空间隔离和路由。
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