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BGP works on which layer ? Justify if you think application layer

MPLS BGP
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Question added by Shahzada Khan , Network and Security Engineer (Resident/Onsite) , Etisalat UAE
Date Posted: 2015/02/09
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Sunny Suresh Naik
by Sunny Suresh Naik , Sr. Network Engineer , United Telecoms Limited

Like all applications uses a port number, BGP also uses well known port number (TCP port). It rides over our existing TCP/IP structure, Hence BGP is a Application layer Protocol. 

Also BGP is an application layer protocols cause it is dependent on TCP and UDP, which encapsulates BGP and RIP segments respectively.

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