A quick public service announcement for anyone implementing BGP-LU or deploying it in a multivendor environment.…
Since exploring the EPE basics, now it’s time to understand the building blocks of the solution.…
Egress Peer Engineering extends regular BGP policies to provide more flexibility.…
Segment Routing was supposed to make MPLS easier and give more power to network operators. Sadly, vendors decided to make it harder by selling weird protocols and over-engineered controller bloatware.…
MPLS is such a user-friendly technology it needs a special label that does nothing.
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My recent post about Anycast in Segment Routing led to an interesting argument on whether other MPLS transport protocols can do anycast routing.…
MPLS or Anycast Routing – for a long time, you had to choose one. Segment Routing allows you to have both.…
In highload cloud networks there is so much traffic that even 100G/400G port speeds do not suffice, so sharing the load over multiple links is the only feasible solution.
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PE-CE routing in MPLS L3VPN is an important topic which confuses a lot of people. Thanks to EVPN, it is now used not only in ISP but also DC networks.
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Fast convergence after failures has always been an important part of ISP network design.
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