Operational challenges of no NAT

[Tony Finch]

On Fri, 29 Oct 2010, George Bonser wrote:
>
> Well, there are SOME cases where it is compelling and a network
> technology is dragged in.  An example is multicast which never really
> lived up to its potential.  It was designed to save bandwidth when that
> was at a premium.  You send one copy of something, and many people get
> it at the same time.  Then available bandwidth skyrocketed and it sort
> of just died.  Now it is making a comeback in the mobile networks where
> many users might be subscribed to the same content at the same time and
> bandwidth IS tight.  Verizon's VCAST is an example and multicast
> capability is a big part of the 3G and 4G standards.

It's becoming relatively widely deployed in the UK for streaming live TV
to college bedrooms. Encoding the video stream is now easy (especially
since you can get MPEG-2 streams from DVB-T) and it permits cheaper wiring
in the halls of residence.

Tony.
-- 
f.anthony.n.finch  <dot at dotat.at>  http://dotat.at/
HUMBER THAMES DOVER WIGHT PORTLAND: NORTH BACKING WEST OR NORTHWEST, 5 TO 7,
DECREASING 4 OR 5, OCCASIONALLY 6 LATER IN HUMBER AND THAMES. MODERATE OR
ROUGH. RAIN THEN FAIR. GOOD.