1. Feature
SCTP protocol can be used inside Virtuozzo Containers.
https://jira.sw.ru/browse/PSBM-38455
https://bugs.openvz.org/browse/OVZ-6793
2. Description
SCTP sockets now can be created inside Virtuozzo Containers.
3. Products
Virtuozzo 7
Packages versions (or later):
vzkernel-3.10.0-327.28.2.vz7.17.6
4. Testing
Suggest to use existing SCTP test suites, for example:
http://lksctp.sourceforge.net/
5. Known issues
1) "sctp" kernel module is NOT loaded automatically upon request from inside a
Container,
i.e. an attempt to create SCTP socket inside a Container does not load
"sctp" kernel module on the host.
This is done on purpose, reason: too many security issues found in sctp
protocol implementation last year.
2) CRIU does not support SCTP => online migration is known to fail in case SCTP
sockets are used.
6. What was checked by developer
1) /usr/bin/checksctp inside a Container
2) server (incide a CT):
# /usr/bin/sctp_test -H 127.0.0.1 -P 1111 -l
client (inside same CT):
# /usr/bin/sctp_test -H 127.0.0.1 -P 1112 -h 127.0.0.1 -p 1111 -s
3) same as in (2) but client/server are in different Containers on the same
Hardware Node.
7. Feature owner
khore...@virtuozzo.com
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