[e2e] Number of persistent connections per HTTP server?
touch at ISI.EDU
Mon Oct 14 07:54:53 PDT 2002
Coene Lode wrote:
>>Qiaobing Xie wrote:
>>>This may be a little controversial, but SCTP seems to be able to help
>>Yes and no; it certainly provides a way to mux inside of a connection.
>>The problem we've seen is that there can be priority inversion when the
>>muxing isn't done at the IP layer.
> I seem to missing some information on why muxing at the IP layer does away
> with priority inversion as opposed with muxing on the transport layer. Whose
> priority (and where) is inverted?
> This isn't clear to me. Could you elaborate a bit?
D. Tennenhouse, "Layered Multiplexing Considered Harmful", Protocols for
High-Speed Networks, 1989.
Muxing is required at the IP layer. Adding muxing above it, inside the
application, creates a layering that can cause a number of problems.
>>SCTP is further a very heavyweight way to get there.
> Are there lightweight, middleweight, featherweight... alternatives then?
I mentioned one earlier - RFC2140. Compared to SCTP it's diaphanous.
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