[url correction] Cable networks RE: best effort has economic problems, maybe OT

Mon May 31 20:47:43 UTC 2004

All of these are great observations.  So what's the cable HFC Achilles heel?

-----Original Message-----
From: frank at dticonsulting.com [mailto:frank at dticonsulting.com] 
Sent: Monday, May 31, 2004 12:58 PM
To: nanog at merit.edu; ''Christopher J. Wolff''; frank at dticonsulting.com
Subject: Re: [url correction] Cable networks RE: best effort has economic
problems, maybe OT

Correcting a previous url error on my part. 

Narad's site is at:

                     http://www.naradnetworks.com

Sorry 'bout that, folks.

Frank

On Mon, 31 May 2004 11:30 , <frank at dticonsulting.com> sent:

>
>Agree, this is a great discussion, akin to a recent Cook Report accounting
of 
best 
>effort considerations. Several startups (now going into year two) have
addressed 
>the cable-HF/C constraints you've mentioned. You may be interested in
perusing 
>these two:
>
>http://www.narad.com
>
>Another, Rainmaker Technologies...
>
>http://www.rainmakertechnologies.com
>
>.... appears to have fallen on hard times while seeking later round
funding. Not 
>sure of their disposition at this time, but doing googles on their name
reveal 
>some good articles on their approach to using wavelets to improve bit gain
over 
>black coax/fiber systems to homes and businesses.
>
>Metcalfe has financial backing hooks and input into Narad, and Mark E.
Laubach of 
>COM21 fame (ATM over HF/C) heads up (headed up?) Rainmaker's technical
pursuits.
>
>[[As an aside, I'm finding increased interest in corporate parks
(especially 
those 
>that are boondocks-bound) where MSO fiber-based offerings are being
seriously 
>considered for WAN access, both of the type discussed above and enterprise-
>tailored rings coming off local head-ends.]]
>
>Frank
>
>
>On Sun, 30 May 2004 08:47 , 'Christopher J. Wolff' chris at bblabs.com> sent:
>
>>
>>Folks,
>>
>>This is a great discussion.  I'm interested in understanding these types
of
>>limitations in the context of HFC cable networks.  In my opinion, HDTV
>>channel bandwidth (30mhz?) , increased demand for voip, and growing demand
>>for IP connectivity is going to stress the cable network model as well,
>>forcing cable operators to convert everything to IP before going out
across
>>the wire.  Any input is appreciated.
>>
>>Regards,
>>Christopher
>>
>
>
>
>