Is BGP a path vector protocol?

Is BGP a path vector protocol?

“Border Gateway Protocol (BGP) is a standardized exterior gateway protocol designed to exchange routing and reachability information between autonomous systems (AS) on the Internet. The protocol is often classified as a path vector protocol but is sometimes also classed as a distance-vector routing protocol.”

What is distance vector protocol Why is it called a vector where is it used?

The distance-vector protocol designed for use in wide area networks (WANs) is the Border Gateway Protocol (BGP). BGP is an exterior gateway protocol and therefore implemented on border and exterior routers on the Internet. It exchanges information between routers through a Transmission Control Protocol (TCP) session.

Is BGP a distance vector or link state?

BGP is a path vector routing protocol and does not contain a complete topology of the network-like link state routing protocols. BGP behaves similar to distance vector protocols to ensure a path is loop free.

How does path vector protocol work?

In a path vector protocol, a router does not just receive the distance vector for a particular destination from its neighbor; instead, a node receives the distance as well as path information (aka BGP path attributes), that the node can use to calculate (via the BGP path selection process) how traffic is routed to the …

What are BGP path attributes?

BGP Update Message Path Attributes: Follows the format of value=””> and contains the following two subfields:‍ Attribute Flags: Defines if the attribute is well-known, optional, transitive, or non-transitive. States if the information from the Update is partial or complete. ‍

Is BGP a hybrid routing protocol?

BGP. The Border Gateway Protocol is considered a hybrid protocol in the CompTIA objectives as it employs elements of both Link-state and distance-vector protocols. Technically it is classified as an advanced protocol.