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EVPN

EVPN, or Ethernet Virtual Private Network, is like a smart system that helps computers and devices in a network talk to each other better. It’s like having a super-organized mail system where each computer has its own address, and EVPN makes sure messages get to the right place quickly and safely. So, it’s kind of like a traffic manager for information on a computer network, making everything run smoothly and securely.

ChatGPT trying (and failing) to explain EVPN

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SR-MPLS

Segment Routing with MPLS Labels (SR-MPLS) is a major improvement over the traditional MPLS control plane (LDP or RSVP-TE). Instead of running two protocols (a routing protocol and a signaling protocol), SR-MPLS adds segment information to the IS-IS or OSPF topology database, avoiding the pesky IGP/LDP synchronization issues we’ve been fighting for decades.

The MPLS labels (Segment Identifiers) assigned to nodes, adjacencies, or prefixes can be used to transport data across the network (similar to traditional MPLS core), to establish traffic engineering tunnels, or to implement topology-independent loop-free alternate paths for fast failover.

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