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Explanation makes sense, except cross availability zone traffic is also expensive and by this logic it should not be.
by Szpadel 3y ago
Explanation makes sense, except cross availability zone traffic is also expensive and by this logic it should not be.
- twoodfin 3y agoIt’s presumably expensive because there’s a lot less inter-AZ bandwidth than there is intra-AZ bandwidth for the obvious reasons.
- Szpadel 3y agoBut if that's the case, this could be the reason of egress cost. I mean egress cannot be cheaper for aws than cross az. So if we assume that this is just expensive then we should assume the same for egress
- hughesjj 3y agoIIRC some cross az traffic uses vendors' fiber (albeit definitely encrypted) but I could be completely wrong.