In the last blog, I briefly mentioned about PCE and how BGP-LS can be used as one of the ways to collect the topology information. In this blog we will explore more about PCE, the problems it tries to solve and different elements of PCE. But before we go any deeper, I do want to […]
Yes, that’s right, we have another new BGP NLRI: BGP-LS. In this post we will be looking at BGP with Link State (LS) extension which is an integral part of the Carrier SDN strategy. We will look at why we need BGP-LS, its internals and its applications. What I won’t cover is things like do we need SDN?, […]
In this post we will be looking at Topology Independent LFA aka TI-LFA. We will also compare TI-LFA with LFA, rLFA and TE-FRR.
As we come close to ending this rather long running series on how the Internet really works (because I’m certain you’re about bored of this series, and ready for me to talk about something else!), I’d like to discuss three more topics I think are really important to the Internet’s operation on a day to […]
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