[THIN] Re: ICA Bandwidth Spikes
- From: "Jim Hathaway" <JimH@xxxxxxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Thu, 20 Feb 2003 09:14:58 -0800
Greg,=20
ICA is a burstable protocol. In general it's very light on the wire
during end user connections 10 - 20 kb, but it can (and will) burst to
utilize as much client side bandwidth as possible for brief periods of
time if needed.=20
As Joe mentioned this is typical behavior, and can happen during several
scenario's:
- print jobs sent to a remote client printer
- program splash screens, or sites viewed with IE that flash
changing images / animation.
- file transfers from remote clients to servers
You may want to check out Wizbang's BAT (bandwidth analysis tool) for
more in depth / per session ICA and RDP monitoring.=20
http://www.wizbang.org.uk/index.html?main=3Dbandwidth_analysis.html
HTH
J
-----Original Message-----
From: Joe Shonk [mailto:JShonk@xxxxxxxxxxxxxx]=20
Sent: Thursday, February 20, 2003 8:13 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: ICA Bandwidth Spikes
Depends on what your users are doing. Are they launcing an application
=3D
which has a splash screen? or Fancy background? Are they printing a =
=3D
report or document? My guess would be you are seeing someone print to =
=3D
an auto-created printer.
Joe
-----Original Message-----
From: greg.pawlett@xxxxxxxxxxxxx [mailto:greg.pawlett@xxxxxxxxxxxxx]
Sent: Thursday, February 20, 2003 8:53 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] ICA Bandwidth Spikes
Environment: Win2k SP3, MF XP SP2 FR2, NFuse 1.7
We have been measuring bandwidth of the ICA protocol and
there seems to be some fairly high bandwidth spikes (up to 300KB).
This only happens for 1 to 3 seconds during a 10-minute test,=3D20
there are three clients connected to the server and we are=3D20
measuring the total ICA traffic with Perfmon. Are there ideas
as to what could be causing these spikes or is this normal behavior
for Citrix.
Greg Pawlett
GIS Implementation Project Leader
Information Infrastructure Branch
Ministry of Natural Resources
Province of Ontario
* (705) 755-3257
* greg.pawlett@xxxxxxxxxxxxx <mailto:greg.pawlett@xxxxxxxxxxxxx>=3D20
=3D20
=3D20
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