The volume control now has a large latency, for a wireshark trace it looks like only a single volume command is being processed per second. I think Nagel/Delay ACKs are having an impact here, I tried disabling Nagel on Jive and it did not make a significant difference. This must have got broken in the recent changes to make the network more reliable. 

I did remove some code that was meant to do http pipelining. Fred said this was untested, and I found it was buggy. However this may have been useful for the volume control, as Jive would not need to wait for an HTTP body to be returned after each volume request. We probably need to re-implement http pipelining (and test it), or move Comet over to slimproto.