Boosting the Indian Internet Infrastructure: Interwire Internet Services and DE-CIX Sign MoU

So give me an eli5, to connect internet users in india to other countries, this hub is used?
There must be more like this right?
 
I need an ELI5 too. Take youtube as an example. If they're peering like this, does the actual data travel through locally only (maybe local data centers) or via international cable routes? Probably local.

Of course, if you're downloading stuff that is hosted abroad the traffic will go through the international pipes - but the local peering should reduce the load on the international pipes allowing for ISPs to provide faster connections overall.
 
I wonder if they will allow higher upload speeds. In the faq's they say they only charge for ports and not volume of traffic. Hopefully local ISP give half the upload speeds of download and don't throttle local sharing speeds.
 
Caching/Content Delivery networks - In most of the internet, content is either static or dynamic. For example, Youtube as a whole is dynamic, with more content and comments etc being added daily, but the video itself, barring comments etc is static. By use of caching services like squid (done by ISP or user) or CDNs (done by ISP or site owner), you can reduce the number of connections the content has to travel, thus making it faster.

Peering - You may be using Internet Service A, but your neighbour may be using Internet Service B. So even though you are geographically nearby, in the internet, you may be miles apart if both use gateways which are far from each other - say Mumbai and Chennai. Thus, we have peering. The ISP A and B may be connected to Peering Exchange, which allows traffic from your computer to your neighbour computer flow as if they were local computers, albeit subject to some limits. This also helps if the CDN service above is connected to the same Peer Exchange, allowing you to access the services provided by the CDN at a higher speed.
 
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