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A one-week special series on AI infrastructure.

From American Public Media, this is Marketplace Tech.

I'm Megan McCarty Carrino.

A couple weeks ago, I walked through an office building in Cupertino, California,

into an industrial-looking room with exposed pipes and a concrete floor.

So this is our networking hardware lab here in AWS.

Satish Fangala is the director of network product development at Amazon Web Services.

Network is almost like a data highway or information highway.

You have these massive A.A. clusters of graphics or CPUs that are there.

They all exchange information.

And just like interstates and highways, if you don't have the right infrastructure, you can end up with pretty bad bottlenecks, right?

I think that's the whole point of what we do here is to ensure that your experience feels instant.

That means that we need to have a network that has no traffic jams or no delays.

As we've talked about, spending on AI has gotten so big

that it's outpacing consumer spending as a driver of GDP.

And today, we're going to look at one tiny innovation,

one of thousands being made in the effort to build out that infrastructure.

It's literally humming in this lab.

...