7 posts indexed
Most engineers know how to configure OSPF without really understanding what happens underneath. This is a protocol-level breakdown of LSAs, the LSDB, SPF, and area design — and why getting any of it wrong costs you in production.
A no-fluff look at what 802.11be introduces under the hood, Multi-Link Operation, preamble puncturing, 320 MHz channels, and where it matters for enterprise deployments in 2026.
How BGP Flowspec builds on RTBH to give network operators granular, flow-level traffic control distributed across the entire network in seconds — without touching a single ACL.
How Remotely Triggered Black Hole routing lets you signal an upstream provider like AT&T to drop attack traffic at their edge, before it ever touches your network.
Why spanning-tree and three-tier datacenter designs couldn't survive the east-west traffic explosion, and how EVPN-VXLAN on a leaf-spine fabric replaced them as the modern standard.
Why service providers are ditching LDP and RSVP-TE for Segment Routing, and how SR-MPLS and SRv6 actually work under the hood.
After years of tinkering and labbing, I decided its finally time to capture my thoughts.