Recent disruptions to two undersea internet cables in the Baltic Sea have yet again...
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Understanding the AS path and AS path prepending
In earlier articles, we discussed the next hop and local preference attributes. Today we'll be looking at the AS_PATH...
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...
Filtering your BGP updates
One thing we all learn quickly after getting started with BGP is that if left to its own devices, the protocol will...
Routing anomalies – their origins and how do they affect end users
Nowadays, the Internet is made-up of more than 45,000 active Autonomous Systems (ASes), each with a different...