Stream Manager

• creation
  • The front-end create a stream based on the HANDLES of already existing junctions and agents, plus the topology. Return a unique stream HANDLE.
  • May also need a version that is callable by all members of the Stream.
• quiesce
  • Drain the network of all in-flight messages related to a stream in order to make the stream consistent. The stream remain in a blocked state, no data transfer is possible until the reverse operation.
• resume
  • Unquiesce !
• flush
  • Deliver all in-flight messages in the stream to the final destination. Do not return until the flush operation is completed.
• deletion
  • Starting from a stream HANDLE, release any resources related to the stream. This may imply dropping in-flight messages.
• query
  • Return attributes associated with the given stream.