The IP Over NBMA (ION) Archive

[Yakov Rekhter <yakov@cisco.com>]

James,

> I can hardly wait for the email's to begin pouring into the tagswitch
> 
> listserv.
> 
> 
> I would like a discussion of the technical 'merits' of the two 
> 
> approaches [not of specific products, which we know are going to
> 
> evolve over time.]
> 
> 
> Ipsilon's 'approach' maps nicely to other 'routed' protocols, and
> 
> to other 'switching matrix's' [even to SONET, etc.]
> 
> 
> One thing that concerns me in the Cisco approach is the impression
> 
> that circuits [vc's] are 'tied-up' ,e.g., pvc's permanently available
> 
> for 'use' by the router.  The dynamics of the Ipsilon approach to 
> 
> provision svc's as needed seems to be a better use of limited 
> 
> resources.
> 
> 
> Also, what is required [if indeed you envision it happening] to achieve
> 
> a 'cut-through' so that 'flow-processing' can really occur.  
> 
> 
> By the way, the determination of when and what type of 'svc' to use 
> 
> is quite flexible with the Ipsilon approach.  Their method seems to
> 
> be a much cleaner decoupling of the 'router' and the 'switch' functions
> 
> than what I see in your documents.
> 
> 
> Please provide a more 'strategic' view of your methodology.

I would suggest you to repost this to the tagswitching mailing
list, as that list seems to be more appropriate to discuss the
questions you asked.

Yakov.