GRE

from The Collaborative International Dictionary of English v.0.48

Gre \Gre\, n.
   See {Gree}, a step. [Obs.]
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Gre \Gre\, n.
   See {Gree}, good will. [Obs.]
   [1913 Webster]

from The Free On-line Dictionary of Computing (8 July 2008)

Generic Routing Encapsulation
GRE

   <networking, protocol> (GRE) A {protocol} which allows an
   arbitrary network protocol A to be transmitted over any other
   arbitrary network protocol B, by encapsulating the {packets}
   of A within GRE packets, which in turn are contained within
   packets of B.

   Defined in {RFC 1701} and {RFC 1702} (GRE over IP).

   (1998-07-19)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

GRE
       Generic Routing Encapsulation (RFC 1701, VPN)

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