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Tag: Level3

ISP Column

Inefficient IGP can make eBGP go wild!

April 20, 2022April 20, 2022 Anurag BhatiaLeave a Comment on Inefficient IGP can make eBGP go wild!

Lately, I have been struggling to keep latency in check between my servers in India and Europe. Since Nov 2021 multiple submarine cables are down impacting significant capacity between Europe & India. The impact was largely on Airtel earlier but…

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My views Networking

Understanding the game of bandwidth pricing

November 13, 2013 Anurag BhatiaLeave a Comment on Understanding the game of bandwidth pricing

I thought about this long back – “Who pays to whom in case of internet bandwidth?” I have been working in this domain from sometime and so far I have learnt that it’s really complex. I will try to put…

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Networking

AS Number hijacking due to misconfiguration

August 6, 2013 Anurag BhatiaLeave a Comment on AS Number hijacking due to misconfiguration

  This Sunday I was looking at global routing table dump and found AS1 announcing some very weird prefixes.   AS1 i.e Autonomous System Number 1 belongs to Level3 but as far as I know they are not actively using…

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Networking

BSNL-Level3 bad routing case

September 24, 2012 Anurag BhatiaLeave a Comment on BSNL-Level3 bad routing case

Quick analysis of BSNL-Level3 bad routing issue   I can see BSNL having pretty high latency again with most of Europe again. It seems like they are using Level3 Communications AS 3356 along with Tata-VSNL for upstream. With Level3 transit…

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