C2MS12 — Add SM&C MAL Message

SM&C (Spacecraft Monitor & Control) is a CCSDS working area that defines a set of ground system services, it is mainly Parameter (Mnemonic) value based (low level info is largely gone except they've added a packet construct recently). At the bottom of SM&C is the MAL message. The MAL message is technically abstract and one is to map it to your transport technology of choice – but perhaps there's no reason to literally implement a MAL message on the GMSEC bus. Determining details like "how will this really work" and so on would be part of this effort.
Once completed, we then say to SM&C folks that we could support an SM&C service. There's an additional facet related about tying into XTCE. The MAL is explained further here – https://en.wikipedia.org/wiki/Message_Abstraction_Layer ... Note that in essence the idea which may need refinement is to make a mapping of the MAL into a concrete C2MS message. Implementation an addressing scheme in the pub/sub environ is another aspect. at least some implementations by esa use tcp/ip and it may be that some hard address approach would work well enough for pub/sub (broadcast not being needed)