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 for wormhole routing
From The Free On-line Dictionary of Computing (30 December 2018) :

  wormhole routing
      A property of a message passing system in which
     each part of a message is transmitted independently and one
     part can be forwarded to the next node before the whole
     message has been received.  All parts of a single message
     follow the same route.
     The independent parts are normally small, e.g. one 32-bit
     word.  This reduces the latency and the storage requirements
     on each node when compared with message switching where a
     node receives the whole message before it starts to forward it
     to the next node.  It is more complex than message switching
     because each node must keep track of the messages currently
     flowing through it.
     With cut-through switching, wormhole routing is applied to
     packets in a packet switching system so that forwarding of
     a packet starts as soon as its destination is known, before
     the whole packet had arrived.

Contact=webmaster@dict.org Specification=RFC 2229