BGP Stability Features

Of course, developing effective routing policies and configuring them correctly is at the core of building stability. BGP's attribute selections, as discussed throughout this book, are tools for building that core stability. In addition, here are some BGP functions that can help provide a buffer against route instability effects:

  • Controlling route and cache invalidation

  • BGP route refresh

  • BGP route dampening

Controlling Route and Cache Invalidation

The basis of any BGP conversation is the transport protocol connection that takes place between two neighbors. The neighbor connection itself is based on the OPEN message, which contains parameters such as the BGP version number. In addition, exchanged routing updates ...

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