Netmeeting uses TCP, I think.  However, typically of Microsoft, it picks
essentially random port numbers.  The official line is apparently that
you're supposed to open something like ports 1024 through 65,000 inclusive
if you want to make it work.  No thanks.

(The performance is pretty good, and the voice communication performance is
top notch, though.  Too bad they couldn't use a more reasonable
communications design.)

-----Original Message-----
From: Michael F. March [mailto:[EMAIL PROTECTED]]
Sent: Monday, June 25, 2001 3:10 PM
To: [EMAIL PROTECTED]
Subject: Re: VNC as spyware on TV


How many simultaneous people can be sharing the same desktop
in Netmeeting?

Does the desktop sharing using a TCP based protocol? 

If not, going through firewalls must be a pain..




> Mark, have you had a chance to compare VNC to NetMeeting as far as
> bandwidth usage is concerned? Do you have any hard facts on which one
> performs better?
> 
> Thanks...Robert
> 
> 
> 
> 
> "Mark Harris" <[EMAIL PROTECTED]>@uk.research.att.com on 06/25/2001
> 11:28:10 AM
> 
> Please respond to [EMAIL PROTECTED]
> 
> Sent by:  [EMAIL PROTECTED]
> 
> 
> To:   [EMAIL PROTECTED]
> cc:
> Subject:  RE: VNC as spyware on TV
> 
> 
> VNC is used in our shop as an Xvfb and for remote server support and maint
> (almost exclusively).   For the masses (particularly IT managers and
> security folks) the primary application for VNC is going to be electronic
> monitoring.    It doesn't really matter what emphasis you give to the web
> page either.
> 
> Spyware aside....   we are also gearing up to use VNC (modified form) for
> net conferencing;   instead of netmeeting or econference.   We have used
> VNC for netdemos also,  which is just a specialized net conference where
> all clients are view only.    The demo conference is hosted on a Linux box
> that serves out an X connection in viewonly mode.   A vncviewer is started
> on the same Linux host connecting back to the Windose box where the demo
is
> being run.   So,  all clients (whatever platform) connect to the Linux box
> either with their browser or vncviewer and are able to see the software
> demo that is happening on the windose box.    It is a lot of network
> traffic,  but limiting to viewonly,  restricting the colors to 8bit,  and
> simplifying the backgrounds help with bandwidth.   I have found it a more
> reliable conferencing solution in some situations.
> 
> Some people will use VNC for spyware.    (very sad)
> 
> 
> 
> Mark H. Harris                          <><
> 
> Staff Software Engineer
> Software Tools Development  -  IBM Rochester,  MN
> iSeries  Dept  EL8Y/664-3  E115
> [EMAIL PROTECTED]  (8) 456-6910  1-507-286-6910
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