VLAN
Why Facebook Runs BGP Everywhere — Even Inside Its Data Centers
An in-depth technical look at Facebook's network infrastructure, including routing protocols, open-source switching, and security architecture, with practical insights for network engineers.
How Smart Blinds Connect to Your Network: Protocols and Topologies
A network engineer's guide to deploying smart Windows Blinds: VLAN isolation, QoS policies, and security considerations.
5 Reasons Why Windows Blinds Are Better Than Curtains or Drapes
When a senior network engineer at a Fortune 500 company was called to a conference room to fix a motorized blind that would not close on command, the initial assumption was a faulty motor or a dead battery. After two hours of swapping hubs and re-pairing remotes, the root cause turned out to be a...
How to Configure Spanning-Tree Mode: Rapid PVST+
Rapid Per-VLAN Spanning Tree Plus (Rapid PVST+) is Cisco’s per-VLAN implementation of RSTP, and it’s the default spanning tree mode on current Cisco Catalyst hardware, including the 9300 and 9500 series running IOS-XE. This guide walks through configuration, verification, and troubleshooting on Cisco Catalyst switches — whether simulating in Packet Tracer or deploying in production....
جانئے فیس بک نے کیس ملک کے صارفین کا سب سے زیادہ مواد اپنے سسٹم سے ڈیلیٹ کیا ہے۔
In early 2026, Facebook’s network infrastructure processes over 4 million video streams, 350 million photo uploads, and 100 billion messages every single day. The platform serves 3.07 billion monthly active users — roughly 40% of the global population — across more than 18 data center campuses, hundreds of edge points of presence, and an undersea...