why BGP uses TCP , as its not seen in OSPF
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05-15-2012
08:15 AM
- last edited on
03-25-2019
03:35 PM
by
ciscomoderator
hi
why BGP is using TCP ,for session establishment , as other routing protocols such as OSPF is not using it
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Routing Protocols
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05-15-2012 09:51 AM
Each routing protocol is designed to optimize certain processes. The Interior protocols share a characteristic of forming neighbor relationships only with directly connected neighbors and can implement maintenance of neighbor relationships in the router code. BGP was designed differently. BGP can form neighbor relationships with routers that are multiple hops away. Using a standard IP protocol like TCP makes this easier. Also BGP neighbor checking is done using the connection oriented characteristic of TCP and does not require routing protocol code to maintain the neighbor relationship like OSPF does.
HTH
Rick
Rick
