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Here are the engineering lessons we learned when live-streaming sports to 32 million people

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Here are the engineering lessons we learned when live-streaming sports to 32 million people

Live sports involve myriad unknowns, but one thing is certain: the live video feed must play flawlessly, and simultaneously, for all the fans tuning in. If some hear their neighbors cheering or groaning 5 seconds before each score, they won’t have kind words for their streaming platform. 

In 2023, Ashutosh Agrawal and his JioHotstar (then JioCinema) engineering teammates prepared for the Indian Premier League (IPL) cricket finals as intensely as the athletes. While the players ran on the pitch, the engineers ran their own training simulations and drills to ensure every fan could celebrate (or commiserate) in sync. 

A year ago, he joined us at P99 CONF to share how they built and tested the system behind that record-setting game, plus lessons learned that can help anyone preparing for high-uncertainty events (Black Friday, anyone?). 

Watch the complete talk, or read the highlights below. And if you enjoy these types of engineering case studies, join 30K of your peers for P99 CONF 2026, which is free and virtual. Grab a complimentary pass and join us October 21 and 22!

The IPL is the premier cricket tournament and one of the world’s most-watched sports. And Ashutosh is an IPL pro, from the engineering perspective at least. After working on the backend streaming platform since 2018, he’s learned that “with cricket, you never know what will happen.” 

In 2023, the final ended up drawing a then-record-breaking 32M concurrent viewers. But they were ready for even more. Just to be safe, the team builds and tests for roughly double the capacity they expect: “a scary number that scares the hell out of everyone on the team,” as Ashutosh put it.


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