OpenStack Neutron – The Dirty Network Detail

OpenStack Neutron Networking

This post is just a quick response to a comment by Turing Machinæ on Show 227 - OpenStack Neutron Overview with Kyle Mestery, … [Read more...]

BGP RR Design – Part 2

BGP RR Fig.10

This is a continuation from Part 1 9. ACME VPN RR's Design: So the current total number of PE's dedicated for VPN … [Read more...]

BGP RR Design – Part 1

BGP RR Fig.12

1. Introduction In this post we will be looking at large scale RR design by using a fictional ISP ACME  as a reference. As … [Read more...]

IP FRR and Micro-loops Part 2

IP FRR Fig.20

This is a continuation from Part 1 Remote LFA At this point we already know that simple LFA doesn't always provide full … [Read more...]

IP FRR and Micro-loops Part 1

IP FRR Fig.24

Introduction In this post we will take a look at IP FRR and Micro-loops. If the reader already doesn't have some kind of … [Read more...]

HTIRW: The IETF Draft Process

In our deeper investigations of the IETF as a "sample standards body" in this (apparently forever running) series on how the … [Read more...]

Transit vs peering: what makes sense when?

noction-creative-blog-post-12-jan-2015

Iljitsch van Beijnum, Network Engineer and author, is our guest blogger today with a post about peering sponsored by Noction … [Read more...]

BGPSEC: Leaks and Leaks

bgpsec-certs

This is the final post in my series on BGPSEC — I will probably follow this up, at some point, with a couple of posts on some … [Read more...]

BGPSEC: Signatures and Performance

BGPSEC is a set of BGP extensions being developed by the SIDR working group of the IETF to improve the security of the … [Read more...]

BGPSEC: Replays, Timers, and Performance

bgpsec-mitm

Let's return to our simple four AS network to look at a number of issues with BGPSEC — the bits you won't often hear … [Read more...]

Policy-based Tunnel Selection (PBTS) on Cisco IOS-XR

pbts

Recently, I had to look after PBTS on Cisco ASR9K platform and faced some issues, here are some results about my tests. PBTS … [Read more...]

HTIRW: Standards Bodies

(yes, I know, it's been a while... But it's time to get back to this series) Up to this point in this series, we've been … [Read more...]

BGPSEC: Protections Offered

bgpsec-mitm

In my last post on the subject of BGPSEC, I explained the basic operation of the modifications to BGP itself. In this post, … [Read more...]

NG mVPN-Control Plane Overview

mVPNFig.1

In this post we will be exploring the shortcomings of MVPN (Draft Rosen/RFC 6037), with a focus on how NG-MVPN technologies … [Read more...]

BGPSEC: Basic Operation

bgpsec-fig01

I'm going to take a little break from my other two series to inject a short series on BGPSEC. I'll return to HTIRW and RFCs … [Read more...]