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A comment on Telegram has now 100M Monthly Active Users. Parent comment

Re:Telegram has now 100M Monthly Active Users by ex3ndr on Tuesday February 23, 2016 @07:03AM (#11158257)
Yes, we are always wondering how it is possible. But you need to understand that telegram rolled not only their own crypto, but their own DB, PHP compiler and so on. Everything is written in C++.

To solve one of the earliest DDOS attacks telegram's team take their servers put it on the track and install them to other DC. This is insane.

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Re:Telegram has now 100M Monthly Active Users by sangnoir on Tuesday February 23, 2016 @09:47AM (#11159141)
> But you need to understand that telegram rolled not only their own crypto, but their own DB, PHP compiler and so on. Everything is written in C++

All of these sound like once-off items, and don't support/explain why it would cost $1M+ a month

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