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I have wondered recently about head of line blocking's impact to latency at AZ level within AWS. How reliable are TCP connections within the same datacenter and do these issues noticeably impact performance at the tail end?


Maybe there are some answers to that here

https://aws.amazon.com/blogs/hpc/in-the-search-for-performan...

Where AWS explain why TVP isn’t good enough for them and why they are developing a replacement.




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