Re: Satellite Emulators

[Luigi Rizzo <[e-mail]>]

dummynet (which is part of FreeBSD) has been used by quite a few people
for this purpose. See http://info.iet.unipi.it/~luigi/ip_dummynet/
or a recent version of FreeBSD (e.g. FreeBSD 4.5)

	cheers
	luigi
-----------------------------------+-------------------------------------
  Luigi RIZZO, [e-mail]  . Dip. di Ing. dell'Informazione
  http://www.iet.unipi.it/~luigi/  . Universita` di Pisa
  TEL/FAX: [phone]     . via Diotisalvi 2, 56126 PISA (Italy)
  Mobile   [phone]
-----------------------------------+-------------------------------------

On Wed, May 15, 2002 at 02:00:02PM -0400, Johnson, Gregory LCDR wrote:
> I have used with good success the Adtech SX-12 simulators.
> (http://www.adtech-inc.com/products/sx.asp).  This is suitable for many
> applications. I have also used a Black Box phone line simulator
> (http://catalog.blackbox.com/BlackBox/Templates/blackbox/itemgroup1758guest.
> asp?param=566&ig_id=1758&title=Analog+Phone%2DLine+Simulators&related=) for
> cases where I have needed to simulate a dial-up satellite connection such as
> through Inmarsat M.
> 
> LCDR Gregory W. Johnson
> Ass't Prof. Electrical Engineering
> President, CT/RI Chapter, AFCEA
>  
> USCG Academy
> 27 Mohegan Ave.
> New London, CT 06320
>  
> 860-444-8683
> 
> 
> 
> 
> -----Original Message-----
> From: Jackson, Gary [mailto:[e-mail]]
> Sent: Wednesday, May 15, 2002 1:36 PM
> To: Tcpsat (E-mail)
> Subject: Satellite Emulators
> 
> 
> I am part of a group building a proof-of-concept lab for some new
> services. We are soliciting opinions about satellite emulators,
> specifically with variable bandwidth, latency, jitter, and packet loss.
> We have looked at the Shunra offering, and are also considering "rolling
> our own". Are there any other suggestions or comments?
> 
> Thanks!
> 
> Gary Jackson
> Senior Network Engineer
> Tectura Corporation
> 14205 S.E. 36th Street
> Suite 200
> Bellevue, WA 98006
> [phone]
>