Cell Relay Archive

[mrityu <mkumar@acceleratednetworks.com>]

In article <377A5FDC.D7153784@info.vub.ac.be>,
  Geert Goossens <gagoosse@info.vub.ac.be> wrote:
> Hi,
>
> Does anyone know if it is possible in ATM to send small pieces of data
> in the IE elements at connection setup, i.e.: can we define IE's that
> are passed transparantely between the end-users? And if so, what type
of
> IE's can be used?
>
> Thanks,
>
> Geert.
>

Specifications do allow user-defined IEs, by specifying that unknown IEs
be ignored. But typically, for almost all the non-mandatory IEs, network
subscription is required, so for example, network will not carry BLLI IE
if it is not provisioned. Thus even though you can send user-defined
IEs, you will have to request the network to carry it. Probably this is
done to counter exactly the scenario you say, sending data in signaling
messages, and not paying for the data pipe! so you can do all your
communication bu just setting up and tearing down connections
repeatedly!
However in your private network, you can do it and still be complying
with the specifications.

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