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Feature #3608

closed

Support for SCTP multi-homing

Added by laforge over 5 years ago. Updated over 4 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Target version:
-
Start date:
09/30/2018
Due date:
% Done:

100%

Spec Reference:

Description

My humble assumption here is that this is done entirely in the kernel. It will automatically learn about the peers' additional addresses and
use them as needed.

In OsmoSTP, the VTY would have to allow for manual specification of multiple IP addresses for each peer, so that during start up all of
those addresses are attempted (think of the case where the normal/primary address is unreachable at link-bringup time). After the association is up, SCTP exchanges information about the additional IPs dynamically.

The actual switch between using the addresses is entirely done in the kernel, we just get notifications (SCTP_PEER_ADDR_CHANGE) about this and
can log them.


Checklist

  • test cases
  • implementation in libosmo-sccp/osmo-stp
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