Wednesday, June 23, 2021

Why Do We Need BGP-LS?

One of my readers sent me this interesting question:

I understand that an SDN controller needs network topology information to build traffic engineering paths with PCE/PCEP… but why would we use BGP-LS to extract the network topology information? Why can’t we run OSPF with controller by simulating a software based OSPF instance in every area to get topology view?

There are several reasons to use BGP-LS:



source https://blog.ipspace.net/2021/06/ospf-bgp-ls.html?utm_source=atom_feed

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