From:  Patrick McManus <>
Date:  26 May 2014 21:36:44 Hong Kong Time

Re: Exploring better scheduling for the parallel connections


scheduling doesn't work the way you describe. 6 connections are used per
origin, but requests fill them pretty much optimally.

On Mon, May 26, 2014 at 3:06 AM, Saurabh Anand wrote:

> So right now Firefox opens 6 parallel connections for fetching objects and
> these parallel connections happen in batches. A new batch of connections
> doesn't start until every request in the old one has completed. Suppose in
> a batch, one request took a much larger time compared to the other 5
> requests. In that case we would be waiting for it to finish, while
> optimistically we could have opened 5 new connections in place of the ones
> that finished in this batch.
> I wanted to make sure I'm not overlooking some obvious difficulty which
> has stopped the implementation I've proposed above.
> Regards,
> Saurabh Anand
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