IS-IS vs OSPF: Which One Should You Learn — and Run?Originally published at Packet Path. The short answer Here is the whole comparison in a few sentences. OSPF and IS-IS are two systems that do one job: they keep every router in a network holding the s1S11h ago · 16 min readpacketpath12.hashnode.dev
RoCEv2 Explained: PFC, ECN & DCQCN for Lossless AI FabricsOriginally published at Packet Path. Why does an AI cluster care whether Ethernet drops packets? Imagine a warehouse where forklifts drive loads straight into the right shelf slot in another building Oct 30 · 8 min readpacketpath12.hashnode.dev
ECMP Hash Polarization: Why Two Identical Links Carry 88% and 12%Originally published at Packet Path. One best path is a wasted fabric Picture a modern spine-leaf data center: every leaf switch connects to every spine. Between any two racks there aren't one or two Oct 23 · 6 min readpacketpath12.hashnode.dev
