border gateway protocol
BGP – the right tool for so many jobs
Like other very successful protocols such as HTTP and DNS, over the years BGP has been given more and more additional jobs to do....
NetFlow and BGP
Border Gateway Protocol (BGP) is a core routing protocol used by most of the Internet Service Providers (ISPs). BGP’s role is to exchange routing...
What BGP Looking Glass servers are and how network administrators use them.
Whether you are an experienced network administrator or you have just started to learn Border Gateway Protocol (BGP), Looking Glass (LG) is definitely a...
BGP path hunting
Before we look at BGP path hunting, let's first discuss the RIP count to infinity problem. RIP, the Routing Information Protocol, is pretty much...
Debugging BGP states
Border Gateway Protocol is unique among routing protocols because it requires a number of parameters to be configured manually on each side before two...
BGP security: the BGPsec protocol
In our last post, we took a look at RPKI. With RPKI, it's possible to reject prefixes that are originated by the wrong AS,...
Why BGP is not enough?
It’s common knowledge that Border Gateway Protocol has no ability to make performance-based routing decisions and often routes traffic through paths that are congested...
Deploying BGP for redundant IP connectivity
All organizations that depend on Internet for sales revenue or business continuity require internet redundancy. Downtime lowers productivity, yields losses and painfully affects the...