On Wed, Jan 04, 2023 at 12:31:43PM +0100, Sriram Yagnaraman wrote: > All the paths in an SCTP connection are kept alive either by actual > DATA/SACK running through the connection or by HEARTBEAT. This patch > proposes a simple state machine with only two states OPEN_WAIT and > ESTABLISHED (similar to UDP). The reason for this change is a full > stateful approach to SCTP is difficult when the association is > multihomed since the endpoints could use different paths in the network > during the lifetime of an association. Do you mean the router/firewall might not see all packets for association is multihomed? Could you please provide an example?