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Bandwidth throttling

Posted on 2004-09-24
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Last Modified: 2008-03-17
I heard that it was possible in Server 2003 to do bandwidth throttling.  To what extent is this so?  Are you able to actually control the amount of bandwidth allocated on a user basis in AD environment?  For instance, if i was downloading a 100 MB file, is there away to specify that I would only be able to consume 300 Kbps for this download?

Basically i am trying to find out to what extent your are able to control bandwidth in Server 2003.

Thanks for any help.
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Question by:andreacadia
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NJComputerNetworks earned 500 total points
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Not sure if I know exactly what you are referring to; however, if you are talking about internet downloads, then you probably want to install a proxy server.  Using a proxy server, you can definately set priorities on who has priority when downloading.

Otherwise, you might want to take a look at QoS or Quality of Service built-in to Windows 2000/2003:

Here are a few references:

(From WinNt Mag)

What Is QoS?
To gain more effective control of your network, you need to incorporate Quality of Service (QoS). In a QoS-enabled network, you can prioritize network traffic flow, allocate network bandwidth and resources to different applications and users, enforce security to applications and users entering your network, and link business needs with desired network behavior. For example, you can guarantee that an SAP R/3 application has the highest network priority and reserve a specific bandwidth for the finance department, and assign PointCast the lowest network priority and a limit on allowable bandwidth.

QoS has been in use for several years. IP supports QoS in the IP header. Asynchronous transfer mode (ATM) natively provides QoS in its virtual circuits and various bit-rate controls. Recently, the Internet Engineering Task Force (IETF) developed Resource Reservation Setup Protocol (RSVP) as a QoS standard for TCP/IP networks and the Internet. The Institute of Electrical and Electronics Engineers (IEEE) defined the 802.1p standard for QoS in all IEEE 802-type networks, such as Ethernet-standard networks.

Major network vendors, including 3Com, Bay Networks, and Cisco, have developed road maps to QoS implementation and started to deliver QoS-enabled network equipment and management tools. Microsoft is building QoS into Windows NT 5.0 and has released QoS APIs for developers to use in writing QoS-enabled applications. Designing and building QoS-enabled NT networks and applications might soon be at the top of your task list. In this article, I'll help you jump onto the QoS bandwagon by giving you an overview of QoS signaling techniques and queuing mechanisms. I'll describe QoS policy management and implementation methods. Finally, I'll explain Microsoft's implementation of QoS in NT 5.0.

http://www.winnetmag.com/Articles/Index.cfm?ArticleID=3932&SearchString=qos
http://labmice.techtarget.com/networking/qos.htm
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