When installing SM, it should by default use JGroups TCP.
Benefits / Value
Our expirience is that SM on JGroups TCP works very stable and the configuration is not limited to all SM nodes in same subnet, and its scalable.
JGroups UDP is an unreliable protocol. Stability is acchieved by repeating messages etc.
SMA-SM is also using TCP mode.
Examples: large systems and HA installations with geographically separated cluster members, etc.
Both JGroups UDP and TCP are supported by SM already - so this is simply requesting update of default setting.
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