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SCTP is problematic because middle boxes need to be made aware of it since it uses a different IP protocol. Is this true? As far as I can tell SCTP works over
by panic 10y ago
SCTP is problematic because middle boxes need to be made aware of it since it uses a different IP protocol.
Is this true? As far as I can tell SCTP works over plain IP, just like UDP and TCP do.
- riobard 10y agoSCTP uses IP protocol number 132. TCP is 6 and UDP is 17. Many middle boxes, especially cheap home routers, are not aware of IP protocols other than TCP/UDP (and maybe GRE/ESP if you're lukcy). Their NAT will not work with SCTP.
- garaetjjte 10y agoBut there's IPv6 coming. (so NATs will be gone)
- alyandon 10y agoThat really assumes residential ISPs out there decide to fully embrace the idea behind IPv6 instead versus doing something asinine like handing out a single /128 address. Fortunately, mine hands me a /64 so I'm not in that situation. :)