Re:Show HN: GraphCDN – GraphQL CDN with edge caching and ana...
by kentonv on Friday July 02, 2021 @11:54AM
(#27713119)
That's the speed of light in a vacuum. The speed of light in fiber optic is slower.
Travelling half of the distance is not good enough, because if you haven't received _confirmation_ of the purge, then you can't trust that it really happened. There could be network errors, etc.
Sorry but it's not physically possible to do a global purge in 150ms.
Travelling half of the distance is not good enough, because if you haven't received _confirmation_ of the purge, then you can't trust that it really happened. There could be network errors, etc.
Sorry but it's not physically possible to do a global purge in 150ms.