Cell Relay Archive

[nico7@worldnet.att.net]

daizyl@yahoo.com wrote:
> 
> I have a question for you gurus out there:
> 
> What exactly is meant by "Trunking" in the ATM paradigm?
> 
> Regards,
> Daizy
> 
> Sent via Deja.com http://www.deja.com/
> Before you buy.

"Trunking" (verb) means to use a common transport for movement of data.
Example; using "Trunk" (noun) lines between switches for "Trunking" of
data.

The term goes way back, probably to the times of the earliest Telco
switches.  Trunk lines were (and still) used for common transport of
Telephone calls between switches.  Kinda like how we have Public roads
used for Common transport of Autos. 

In the ATM world, Trunking exists between the OC/SONET switches.  It is
also proper to say that you could use a PVP between (2) end-users for
purposes of Trunking data.  Example;  (2) end-user sites have private
PBXs that use Telco ATM for interconnect.  The "Trunk" lines between the
PBXs would carry the Traffic for the site callers.  The same Trunk lines
could be used for Data Transport (LAN,WAN, etc).

Hope this exlpains OK.