A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Network Virtualization Overlays Working Group
of the IETF.
Title : Problem Statement: Overlays for Network Virtualization
Author(s) : Thomas Narten
Eric Gray
David Black
Dinesh Dutt
Luyuan Fang
Lawrence Kreeger
Maria Napierala
Murari Sridharan
Filename : draft-ietf-nvo3-overlay-problem-statement-01.txt
Pages : 22
Date : 2012-10-22
Abstract:
This document describes issues associated with providing multi-
tenancy in large data center networks and how these issues may be
addressed using an overlay-based network virtualization approach. A
key multi-tenancy requirement is traffic isolation, so that one
tenant's traffic is not visible to any other tenant. Another
requirement is address space isolation, so that different tenants can
use the same address space within different virtual networks.
Traffic and address space isolation is achieved by assigning one or
more virtual networks to each tenant, where traffic within a virtual
network can only cross into another virtual network in a controlled
fashion (e.g., via a configured router and/or a security gateway).
Additional functionality is required to provision virtual networks,
associating a virtual machine's network interface(s) 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
infrastructures.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-nvo3-overlay-problem-statement
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-nvo3-overlay-problem-statement-01
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-nvo3-overlay-problem-statement-01
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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