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Routing at layer 2 (via MAC) is already implemented in the data center. See TRILL or Cisco's FabricPath. At Internet scale, LISP (http://www.lisp4.net/ http:/
by cllunsford 14y ago
Routing at layer 2 (via MAC) is already implemented in the data center. See TRILL or Cisco's FabricPath.
At Internet scale, LISP (http://www.lisp4.net/ http://www.lisp4.net/) takes on the problem of a 'static' host address being reachable at any location.
Both of these rely upon the idea of encapsulation (mac-in-mac or ip-in-ip) to separate the location and host identity.