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Barry Pollard (24) [Avatar] Offline
#1
Hi Jeremy,

I disagree with the description of Head of Line blocking in Chapter 11 (page 276 of printed edition).

If you have 6 independent connections to a server (as is typical under HTTP/1.1), then not all 6 need to download before the next batch of 6 can be processed - they wouldn't be independent connections if that was the case! In fact multiple connections is a workaround to HOL (though a limited workaround since it's capped at 6 connections and has other downsides).

So think you need to look at this section, and also the accompanying diagram (Figure 11.2) for any future revisions.

Thanks,
Barry