BGP is how the autonomous networks that make up the internet share routing information to find the best route for IP traffic. CISA describes BGP as 'the most important part of the internet you’ve ...

A complex routing protocol that shares information with other routers in order to determine the best path. IS-IS was the first comprehensive link state protocol, and OSPF and NLSP evolved from it.

I explained in the previous post how the RSVP-TE Explicit Route Object (ERO) specifies the path of an MPLS LSP by means of a sequenced list of Label Switching Routers (LSRs) that the LSP must pass ...