Skip to content

j2sw Blog (Packets Down Range)

Packets Down Range

  • Home
  • About this blog
  • Subscription Options for blog.j2sw.com
    • Become A Patreon
    • PodCast Subscribe
  • Categories Internet Architecture

IS AI the “killer app” IPv6 needs to further deployment?

  • Post author j2sw
  • Post date May 24, 2026

AI agents change network traffic patterns completely. Instead of humans opening browsers and apps, autonomous systems start talking directly to APIs, databases, sensors, and other agents. IPv6 removes the address limitations and NAT complexity that break large-scale AI communication.

  • Categories Internet Architecture

The Access Network and How the Last Mile Actually Works

  • Post author j2sw
  • Post date May 21, 2026

Learn how ISP access networks work using fiber, Satellite, LTE, DOCSIS, and fixed wireless to deliver Internet to customers

  • Categories Internet Architecture

EVPN-VXLAN for Regional ISPs: Extending Layer 2 Without Spanning Tree

  • Post author j2sw
  • Post date May 16, 2026

Large VLAN domains depend on spanning tree. Every topology change triggers recalculation and temporary forwarding loss. EVPN-VXLAN replaces large Layer 2 domains with routed underlays and distributed MAC learning. Regional ISPs use this to connect data centers, IX edge infrastructure, …

  • Categories Internet Architecture

What an Internet Service Provider Actually Is (Part 1)

  • Post author j2sw
  • Post date May 6, 2026

what is an internet service provider

  • Categories Internet Architecture

Understanding Leaf and Spine Switching in Modern Data Centers

  • Post author j2sw
  • Post date May 5, 2026

A leaf-and-spine design is a data center network topology that removes the traditional three-tier hierarchy and treats every path equally. Traditional three-tier networks build layers like access, distribution, and core. This structure creates choke points when traffic has to move …

  • Categories Internet Architecture

Why Data Centers Are Suddenly Everywhere

  • Post author j2sw
  • Post date April 13, 2026

All of these data centers are not showing up by accident. They are the physical response to a change in how the internet is used.

  • Categories Internet Architecture

The three pillars of Data Center design

  • Post author j2sw
  • Post date March 25, 2026

For network engineers, data center design goes beyond switches and routers. The goal is to create an environment where failures are predictable and repeatable, not just to ensure basic functionality.

  • Categories Internet Architecture

Interconnection, Peering, and Internet Exchanges: A Technical Deep Dive

  • Post author j2sw
  • Post date March 16, 2026

If you’ve ever wondered how the capital I Internet actually works, you’re not alone! At its core, the Internet is a network of networks, and the way these networks connect has a big impact on the speed, cost, and reliability …

  • Categories Internet Architecture

Learning VXLAN and EVPN

  • Post author j2sw
  • Post date March 10, 2026

If VXLAN and EVPN are on your list to learn, here are some training courses for a great place to Start

  • Categories Internet Architecture

Interconnection, peering, IRR, and other things I can help your network with.

  • Post author j2sw
  • Post date March 1, 2026

Do you need help navigating your company’s interconnection strategy? I work with operators, ISPs, data centers, and content networks on interconnection-related matters. Here are some examples of how I can help you with: • Interconnection strategy and traffic engineering• Internet …

  • Categories Internet Architecture

Autonomous System Provider Authorization (ASPA)

  • Post author j2sw
  • Post date February 18, 2026

Autonomous System Provider Authorization (ASPA) addresses a longstanding gap in Border Gateway Protocol (BGP) security.

  • Categories Internet Architecture

Network related Valentine

  • Post author j2sw
  • Post date February 14, 2026

Roses are red. Packets are neat. I’d reroute the whole internet Just to land at your IP. You’re my default gateway When my heart drops a route. No packet loss here Just love, end-to-end, absolute. If life were BGP And …

Posts pagination

Page 1 Page 2 Page 3 … Page 12 Next

Categories

Subscribe to Blog

Enter your email to subscribe and receive notifications of new posts by email.

Join 2,316 other subscribers
Donate via Paypal

Recent Posts

  • IS AI the “killer app” IPv6 needs to further deployment?
  • The Access Network and How the Last Mile Actually Works
  • BGP Communities Explained for Regional ISPs and IX Networks
  • MTO, MPO cables, and what they mean for modern connectivity
  • EVPN-VXLAN for Regional ISPs: Extending Layer 2 Without Spanning Tree
  • What an Internet Service Provider Actually Is (Part 1)

Tags

5g alta labs arin backhaul bgp broadband cabling cambium cbrs Cisco data center dns epmp equipment fcc fiber firewall internet ipv6 isp IX juniper LTE mikrotik network networking PDR peering podcast router routeros routing security server switch tools tower training troubleshooting ubnt upgrade wifi wireless wisp wispa

Subscribe to My Podcast

iTunesGoogle PlaySpotify

Follow me on Instagram

 

View this profile on Instagram

 

Justin Wilson (@j2sw) • Instagram photos and videos

Copyright © 2026 j2sw Blog (Packets Down Range) - Powered by Excel Themes

Terms and Conditions - Privacy Policy