What is the Role of BGP in Reliable Internet Connectivity

BGP often plays a critical role in reliable Internet connectivity. But often BGP isn't required for reliable connectivity, and of course, having BGP is no guarantee of reliability. So just what is BGP's role in reliable Internet connectivity?

The Ways BGP Can Help You Build Reliable Internet Connections

It lets your routers pick the best way for a packet leaving your network to reach its eventual destination via the Internet.

It lets the routers that comprise the "Internet Backbone" choose the best way for a packet to reach your network.

The Ways BGP Cannot Help You Build Reliable Internet Connections

It's of limited use in avoiding congestion

It can't help hosts with a static default to a dead router

Copyright © 1999-2000 by Robert A. Van Valzah