Routing

2017.08.01 Routing 2 min read

IP Infusion powering the world from behind the scenes

Founded by Kunihiro Ishiguro and Yoshinari Yoshikawa the founders of GNU Zebra, came together to form IP Infusion back in 1999 as a commercial-grade, hardware-independent networking software company.

2015.02.10 Routing 4 min read

BGP Communities

BGP Communities has to be one of my favorite features added to the BGP protocol.

2011.03.28 Routing 6 min read

IP Multicast Routing Concepts

Can you imagine a video conference taking place on a primarily T1 based WAN? Multiple copies of the same video stream being unicast from the host to each participant.

2010.05.24 Routing 6 min read

Bidirectional Forwarding Detection

Bidirectional Forwarding Detection (BFD) is a UDP-based protocol that provides fast (very fast!) routing protocol independent detection of layer-3 next hop failures.

2010.05.16 Routing 2 min read

More BGP tricks

At times, the ‘rules of BGP’ don’t fit the needs of our productions networks. When we get into today’s production networks how often do book configurations apply? I’ll tell you one thing.

2010.04.05 Routing 3 min read

Policy Based Routing

Policy based routing is the process of altering a packets path based on criteria other than the destination address, commonly referred to as ‘policy routing’.

2009.09.14 Routing 7 min read

Route Selection

One of the most common questions I get concerns path selection within the router.

2009.08.11 Routing 2 min read

BGP Security Tips (updated)

For some, BGP is a rather large obtrusive beast of a protocol that scares them half to death.