-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Martin (et al.), Martin Stiemerling wrote: | Hi all, | | It has been quite silent on the NVRG list for a while. Sorry for that. | | I have been stepping back a bit and considered what network virtualization actually might be. | | So is there the first attempt to get some discussions started. | | Apparently there are different camps in the area of network virtualization (at least from my recent experience): | a) network virtualization in test beds (GENI, parts of 4WARD, Akari, etc) while interesting, this seems an application of (b) below, and decidedly uninteresting architecturally; testbeds have no unique requirements in this area, IMO I'd include rbridges/trill and L2VPNs here. | b) network virtualization for the Internet (parts of 4WARD, my own idea, etc) including X-Bone, FWIW ;-) | c) existing parts, for instance, l*vpn in the IETF and virtual router support in existing devices. this includes LISP and NERD, but I would not include L2VPNs or L3VPNs here. (a) arguably includes virtualization at any layer (c) arguably are components of (b) IMO, the IRTF/IETF ought to focus on (b) and the components of (c) that support (b). | For each of the above, different meanings of what network | virtualization is, might apply. The least common dominator between all | of them is, that they want to reuse an existing resouce (e.g., host, | router, link, switch, virtual network) for multiple "usages". For a) the | usage is running multiple experiements on the same infrastructure while | b) envisions running multiple Internet-technologies on the same global | infrastructure. c) is, at least to my understanding, not aiming at a | complete set of infrastructure, but targeting specific virtualization | needs (e.g., VLAN on ethernet). Usage is irrelevant and ephemeral. (perhaps irrelevant because it's ephemeral, if you prefer... Joe -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFIV/ATE5f5cImnZrsRAt9rAJ9jPEgbCbP4j/UZRQKxpI0tukgFNgCfTFcT 5HSaUF4xtDrN6ziJDZWFltc= =NY6A -----END PGP SIGNATURE-----
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