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by xyzzyz
1418 days ago
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> Like the Head-of-Line blocking problem: it is not solved in HTTP/2 How so? It is not solved on the network level (due to its use of TCP), but it is solved on application layer: slow response to one request is not blocking other requests. |
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Like you said, it does not solve the network level:
- in HTTP/2, A packet drop will slow down every HTTP transaction.
- In HTTP/1 with a session pool (The usual web browser way of doing thing), it will slow down only one over X (X, size of the pool).
This has been found to be a big problem over (unreliable) mobile network and that makes HTTP/2 sometimes even worst than HTTP/1.
http://nl.cs.montana.edu/lab/publications/Goel_H2_extended.p...