bmn
? ? ?
Premium,ExMod 2003-06
join:2001-03-15
hiatus
1 edit | reply to ColdFiltered
Re: Defintely overly optimistic
said by ColdFiltered  :I would be curious to know what the two of you are thinking you know. And your qualifications are what ?
Higher quality video, in order to compete with cable first requires at least on the order of 10Mbps per stream...
As well, you have to consider multiple video streams for multiple devices (ie televisions, TIVOs, etc.)...
--
64 bit CPUs and OSes? That's so 1996.
Viva La Fee' Verte! |
|
ColdFiltered
join:2005-01-25
Atlanta, GA
| reply to bmn
I would be curious to know what the two of you are thinking you know. SDTV channel using VC1 or MPEG4 is 2Mbps. Using the same video codecs, HDTV would be 8-Mbps. A 64-128 Kbps using the same QoS as the Video is all that it takes for reliable VoIP.
And no, the existing DSLAMs and routers are not the target elements in the IPTV equation. Much lager DSLAM-to-Headend backhauls are planned. Next generation Alcatel DSLAMs terminate IP.
And the biggest consumer on the pipe will be video, which is only in one direction. |
|
djrobx
join:2000-05-31
Valencia, CA
 ·PHONE POWER
 ·AT&T U-Verse
·AT&T CallVantage
·Time Warner VOIP
 ·RoadRunner Cable
1 edit | reply to bmn
The "mosaic approach" is going to be BS's downfall. The existng "mosaic" of DSL availability and quality is why the already lose so much business to cable providers. Too much guesswork is required to order service. SBC's FTTN project has at least the promise that they would enable service on a neighborhod-by-neighborhood basis.quote:
Voice, video and data over 24 Mbps simultaneously... I'll believe it when I see it... And I'll probably be disappointed.
I'm amused that the "solution" to the HDTV bandwidth problem is to compress the hell out of it. Hello? HDTV is about picture quality. These companies are gearing up to do all of this deployment for a service that's going to be inferior to the existing cable company. What are they thinking? DirecTV, I understand, handling local HDTV channels for the nation is a massive undertaking. But the Bells shouldn't bother deploying a second rate service. Verizon has the right idea. Deploy fiber and get it over with already.
--
\\ROB - a part of the SCB local network |
|
bmn
? ? ?
Premium,ExMod 2003-06
join:2001-03-15
hiatus
| said by Bellsouth:
"We believe it is possible to provide speeds fast enough to make triple play services over IP a reality using a mosaic approach of fiber and next generation DSL"
Voice, video and data over 24 Mbps simultaneously... I'll believe it when I see it... And I'll probably be disappointed.
--
64 bit CPUs and OSes? That's so 1996.
Viva La Fee' Verte! |
|
