BGP Routing examples COS 461: Computer Networks Precept on Apr 7, 2011 1 A A B B.

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BGP Routing examples COS 461: Computer Networks Precept on Apr 7, A A B B

Invalid BGP graph A A B B D D E E F F G G H H J J K K L L C C I I

Valid BGP graph A A B B D D E E F F G G H H J J K K L L C C I I

Valid paths? A A B B D D E E F F G G H H J J K K L L C C I I

A A B B D D E E F F G G H H J J K K L L C C I I

Valid BGP graph A A B B D D E E F F G G H H J J K K L L C C I I C’s path AFEA || GFEA BB >> FB DFED || GFED EFE || GFE FF || GF GG || FG H FEDH || GFEDH IFKJI || GFKJI || GKJI JFKJ || GFKJ || GKJ KFK || GK || GFK LGL || FKL || GFKL || GKL

Valid BGP graph A A B B D D E E F F G G H H J J K K L L C C I I E’s path AA BAB || FB CFC || FGC DD FF GFG || KG HDH IKJI JKJ KK LKL