Re: [CDNi] CDNI Use Cases

[Grant Watson <[e-mail]>]

Hi Thomas,

> The following use case is technically covered by the Use Cases in
> section 4 (for 2 CDNs/ISPs) and section 5 (for N CDNs/ISPs), but I think
> it is interesting to outline it separately:
> 
> There is a strong use case for a national CDN federation which would
> interconnect CDNs operated by the local ISPs within that territory.
> 
> Some local CSPs offer some content that is sometimes extremely popular
> within their country and needs to be delivered to a high proportion of
> End Users in that country regardless of their ISPs.  This may be because
> of language-related, cultural or other reasons.
> 
> A national CDN federation will allow both ISPs and CSPs to reduce their
> bandwidth and infrastructure needs (and costs), as well as providing End
> Users with a better experience due to the real proximity with their own
> ISP's CDN surrogates.
> 
> Would you be willing to add a subsection on that use case within your
> draft?  Let me know if you'd like me to suggest specific additional
> text.

As you say; I think the case is covered from a technical standpoint. However if there is sufficient justification for another use-case so this scenario can be captured in isolation I don't have a problem with that. The next revision is likely to be uplifted significantly so will look to capture as a separate scenario. 

Cheers.



On 12 Jan 2011, at 10:17, Thomas Parmelan wrote:

> Hello Grant,
> 
> On Sat, Jan 08, 2011 at 09:56:21PM +0000,
> Grant Watson <[e-mail]> wrote:
> 
>> http://www.ietf.org/id/draft-watson-cdni-use-cases-00.txt
> 
> The following use case is technically covered by the Use Cases in
> section 4 (for 2 CDNs/ISPs) and section 5 (for N CDNs/ISPs), but I think
> it is interesting to outline it separately:
> 
> There is a strong use case for a national CDN federation which would
> interconnect CDNs operated by the local ISPs within that territory.
> 
> Some local CSPs offer some content that is sometimes extremely popular
> within their country and needs to be delivered to a high proportion of
> End Users in that country regardless of their ISPs.  This may be because
> of language-related, cultural or other reasons.
> 
> A national CDN federation will allow both ISPs and CSPs to reduce their
> bandwidth and infrastructure needs (and costs), as well as providing End
> Users with a better experience due to the real proximity with their own
> ISP's CDN surrogates.
> 
> 
> Would you be willing to add a subsection on that use case within your
> draft?  Let me know if you'd like me to suggest specific additional
> text.
> 
> 
> Regards,
> Tom
> 
> -- 
> Thomas Parmelan  -+-  [e-mail]