Subject: [CDNi] CDNI WG's framework draft: Deployment Models

From: <[email-masked]>
Date: Tue, 13 Dec 2011 11:27:28 +0100

Dear authors of the Framework draft,

To complement section 5.2, I would like to contribute the following
section to the WG's framework draft.

5.3. ISP combined with CDN

The delivering CDN can be operated by the ISP of the end-users in the
considered delivery footprint. 

  #################  ###################      ##################

  #               #  #                 #      #  ISP           #

  #               #  #                 #      #  Access CDN    #

  #               #  #                 #      #                #

  #    --------   #  #  -------------  #      #  -----------   #

  #   /   CSP  \  #  # /   uCDN      \ #      # /   dCDN    \  #

  #   |        |  #  # |  +----+     | #      # |  +----+   |  #

  #   |        |  #  # |  | C  |     | #      # |  | C  |   |  #

  #   |        |  #  # |  +----+     | #      # |  +----+   |  #

  #   |        |  #  # |  +----+     | #      # |  +----+   |  #

  #   |        |  #  # |  | L  |     | #      # |  | L  |   |  #

  #   |        |*******|  +----+     |===CDNI==>|  +----+   |  #

  #   |        |  #  # |  +----+     | #      # |  +----+   |  #

  #   |        |  #  # |  | RR |     | #      # |  | RR |   |  #

  #   |        |  #  # |  +----+     | #      # |  +----+   |  #

  #   |        |  #  # |  +----+     | #      # |  +----+   |  #

  #   |        |  #  # |  | M  |     | #      # |  | M  |   |  #

  #   |        |  #  # |  +----+     | #      # |  +----+   |  #

  #   \        /  #  # \             / #      # \           /  #

  #    --------   #  #  -------------  #      #  -----------   #

  #               #  #                 #      #                #

  #################  ###################      ##################

   ===>  CDNI interfaces, with right-hand side CDN acting as dCDN

         to left-hand side CDN

   ****  interfaces outside the scope of CDNI

   C     Control component of the CDN

   L     Logging component of the CDN

   RR    Request Routing component of the CDN

   M     Metadata component of the CDN

Thanks,

Best regards,

Gilles