In principle, any transport protocol can be supported, but I fail to see
the
great advantages of SCTP in this context. Based on our measurements in a
different context, SCTP offers few advantages that matter in practice,
but
consumes significantly more resources.
IMO, using SCTP may offer advantages in some scenarios:
- In lossy environment such a wireless networks
- In congested networks
- Multi-homing
TLS-SCTP could also overcome fragmentation and encryption issues.
Having recently tripped over this in another context recently...
- we're still working on a NAT story for SCTP, and the biggest obstacle is
one of the big SCTP benefits - multihoming support (because SCTP traffic can
suddenly start arriving at your NAT due to a path switchover event), and
- If you are pointing to "lossy environments" because you're expecting to
use SCTP in "unordered delivery mode" - so there's no head-of-line blocking
when you lose a packet - it's good to have that discussion now. SIP, for
example, requires ordered delivery mode for SCTP when it's used with TLS, so
you can't always assume that all of the SCTP advantages are applicable in
all of the application scenarios.
Thanks,
Spencer
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