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I-D Action: draft-narten-nvo3-overlay-problem-statement-02.txt

A New Internet-Draft is available from the on-line Internet-Drafts directories.

	Title           : Problem Statement: Overlays for Network Virtualization
	Author(s)       : Thomas Narten
                          Murari Sridharan
                          Dinesh Dutt
                          David Black
                          Lawrence Kreeger
	Filename        : draft-narten-nvo3-overlay-problem-statement-02.txt
	Pages           : 17
	Date            : 2012-06-15

   This document describes issues associated with providing multi-
   tenancy in large data center networks and an overlay-based network
   virtualization approach to addressing them.  A key multi-tenancy
   requirement is traffic isolation, so that a tenant's traffic is not
   visible to any other tenant.  This isolation can be achieved by
   assigning one or more virtual networks to each tenant such that
   traffic within a virtual network is isolated from traffic in other
   virtual networks.  The primary functionality required is provisioning
   virtual networks, associating a virtual machine's NIC with the
   appropriate virtual network, and maintaining that association as the
   virtual machine is activated, migrated and/or deactivated.  Use of an
   overlay-based approach enables scalable deployment on large network

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