Cell Relay Archive

[prem@trillium.com (Prem Shankar Sharma)]

> F=E9lix Eduardo Einfalt M=E9ndez wrote in message
> <6n39m7$8ev$1@debris.uits.indiana.edu>...

> >Hi my friends,
> >I request for help again. Someone know where can I find information
> >about statistics voice models? I know the Markovian process, but I =
want
> >to find a call process. What's the PDF for time between calls [snip]
> >--
> >F=E9lix Eduardo Einfalt M=E9ndez.
> >Estudiante de Ingenier=EDa Civil El=E9ctrica.
> >Universidad de Chile.


Hi,
    There are a no. of books and papers available on the performance =
modelling.
    You can find some useful info. from the followings:
   =20
    1. Queueing Theory Vol.II - on applications of queueing theory by=20
       Klienrock.=20
    2. Teletraffic Issues in Switching Systems by G. Hebuterne.
    3. Performance Issues in ATM n/ws by Raif O. Onvurail
    4. Performance Modelling of Commn. N/ws and Comp. Arch. by
       Peter G. Harrison.
    5. Data Communications by Bertsekas and Gallager.
   =20
    The book suggested by Jerry (given below) is also a pretty useful =
one.
 =20
   Hope this helps...

Prem Shankar Sharma


> Most practical voice modeling at the private or public network level =
for
> voice assumes a nonstationary Poisson process dependent on time of day =
and
> day of week. Erlang B is a very popular formula for trunk sizing. For
> certain sizings in COs, Erlang-Engset is used, since the number of
> subscribers is limited.


> Andr=E9 Girard, Routing and Dimensioning in Circuit-Switched Networks,
> Addison-Wesley Publishing Company, New York, 1990 is highly =
recommended
> since it addresses major analytical approached to designing voice =
public
> switched networks.

> Good luck,

> Jerry Harder
> Senior Partner
> RTA, Inc.
> 615-843-0444
> jharder@sprynet.com