Subject: [CDNi] Re： CDNI WG's framework draft: Deployment Models([email-masked])

From: [email-masked]
Date: Fri, 23 Dec 2011 17:31:28 +0800

I also think that studying access CDN of ISP is meaningful. Due to 
facility of ISP, access CDN of ISP can provide special services than other 
CDNs. 
Now many ISPs deploy cache systems to reduce traffic of bockbone network 
and inter-network, and these cache systems may be updated to access CDNs 
to provide CDN service for CSP in future. 

thanks! 

Peng Yonglin.

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-----来自 <[email-masked]> 的消息，在 Tue, 13 Dec 2011 
11:27:28 +0100 -----
收件人:
<[email-masked]>, <[email-masked]>
抄送:
[email-masked]
主题:
[CDNi] CDNI WG's framework draft: Deployment Models
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 

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