-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 The principle questions still stand unanswered:
What is the motivation for this? What do you gain? Does it create some large architectural and performance in efficiency? - - ferg On 9/5/2014 12:27 PM, Murat Yuksel wrote: > As far as I understand, NDN's basic premise is to install "names" > into the network layer. I don't think they (the NDN inventors) > consider it as a new "app" at this point, even tough eventually it > may merely stay as a new app. > > I think the final thing that will determine the success of NDN is > whether or not pushing names into the network layer rather than > handling it at the app layer is going to return significant enough > benefits. On the positive side, we will get rid of name -> address > -> name mapping we are doing with DNS, we will enjoy content > caching in routers themselves without relying on content servers to > do it for us, and the story of upgrading to IPv6 will be over. :) > On the negative side, we will have to deal with a whole new set of > security and privacy issues (I can see a new wave of funding for > cyber-security folks), we will need to revamp our routers (arguably > which seems to attract Cisco so far) to handle names rather than IP > addresses, and most importantly re-educate our practitioners to > configure these "revamped" routers! > > The key question is that do we really need to push the names into > the network layer? I personally don't see this will happen, > particularly as a replacement to TCP/IP as was laid down in the > slashdot article. The best bet, IMHO, for NDN is to establish > software-based NDN routers that maintain content tagged with names. > One way to imagine I guess is to consider each router as a NAT box > for this. I just can't see it replacing IP-based forwarding. We all > wish things were so easy to change, but simply they are not. > > Best, > > -Murat > > On Sep 5, 2014, at 11:51 AM, Field, Brian > <brian_fi...@cable.comcast.com> wrote: > >> >> Here¹s my $0.02. I¹m only going to touch on a small part of >> what I understand NDN to be‹ namely making caching a first class >> citizen of the network. When you think about the types of >> traffic currently carried over our collective networks, there >> might be value if the network eco system more natively supported >> caching. >> >> Van¹s first paper proposing this NDN concept (afaik) was in >> 2009. >> >> If we were to get into the ³way-back² machine to say 2003, when >> peer-2-peer was a big app, one might have then decided that we >> really need to make ³peer-2-peer² a first class citizen of the >> network. In fact the IETF tried [at some level] to do this with >> the DECADE WG. The app space evolved, p2p is no longer as >> prevalent, and DECADE saw/got little traction. >> >> In 1998, we might have been thinking about making NNTP a first >> class citizen of the network. >> >> Maybe we need to think about making *software* [instead of a >> specific service] a first class citizen of the network. What do >> I mean by this? >> >> If software were a first class citizen of our networks in 2003, >> we might have hopped onto our routers and done a ³yum install >> decade²‹ which would install software that would make the network >> eco system more efficient at supporting p2p traffic. >> >> Today, on our network eco system we might do a ³yum uninstall >> decade² and then do a ³yum install caching²‹ which might embed >> caching functionality into our routing eco system‹ hopefully >> making the delivery of cacheable content more efficient. >> >> In N years, when there is yet another new app pushing the network >> eco system, we might then be doing a ³yum uninstall caching² and >> instead doing a ³yum install new-app² which would make the >> network eco system more efficient at supporting this new-app. >> >> Brian >> >> >> >> >> >> On 9/5/14, 8:16 AM, "Jay Ashworth" <j...@baylink.com> wrote: >> >>> How many Youtube subject tags will fit in *your* routers' >>> TCAM? >>> >>> >>> http://tech.slashdot.org/story/14/09/04/2156232/ucla-cisco-more-launch-con >>> >>> sortium-to-replace-tcpip >>> >>> [ Can someone convince me this isn't the biggest troll in the >>> history of the internet? Cause it sounds like shoehorning DNS >>> /and Google/ into IP in place of, y'know, IP addresses. ] >>> >>> Cheers, -- jra -- Jay R. Ashworth Baylink >>> j...@baylink.com Designer The Things I Think >>> RFC 2100 Ashworth & Associates http://www.bcp38.info >>> 2000 Land Rover DII St Petersburg FL USA BCP38: Ask For It >>> By Name! +1 727 647 1274 > > ======================================== Murat Yuksel Associate > Professor Graduate Director Department of Computer Science and > Engineering University of Nevada - Reno 1664 N. Virginia Street, MS > 171, Reno, NV 89557. Phone: +1 (775) 327 2246, Fax: +1 (775) 784 > 1877 E-mail: yuk...@cse.unr.edu Web: http://www.cse.unr.edu/~yuksem > ======================================== > > > - -- Paul Ferguson VP Threat Intelligence, IID PGP Public Key ID: 0x54DC85B2 Key fingerprint: 19EC 2945 FEE8 D6C8 58A1 CE53 2896 AC75 54DC 85B2 -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (MingW32) iF0EAREIAAYFAlQKESUACgkQKJasdVTchbJNHAD/ewvpcjDp9riZGaY2nQmt65gy GSmfQnKsgAPQw6fRC9QA+K3RZ8yb1DUCzxFzVpog+GpmOiQFBq1savUPwE0IRF0= =YGBf -----END PGP SIGNATURE-----