What are some good programs which can be used to rate-limit traffic on a server

bandwidth-controlrate-limitingtraffic-shapingwindows 7

We have some applications which hog network traffic on one of our servers (Windows 7) at the expense of the other (more important) applications. Is there an easy way to limit the bandwidth usage of this particular application with a program or whatnot? It's essentially streaming videos and we want to throttle it such that it can only use a certain amount of our allotted download bandwidth.

Best Answer

I user Netlimiter 2 for my personal stuff.

http://www.netlimiter.com/

I know they've moved to 3, but I haven't. Its absolutely fantastic for my purposes. You can block/limit inbound and outbound seperately, by application, by port (although I don't think you can just do port filtering...)

Its USD29.99 so will definitely break the bank (If Sam's answer is anything to go by ;).

I don't think I'd recommend it for a genuine server environment, definitely a power user product rather than administrator.

Oh... if you do get hold of 2 for whatever reason and have problems installing on Win 7 x64, Win 2K compatibility mode has sorted me out.

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Ubuntu – Apache2: Limit simultaneous requests & throttle bandwidth per IP/client

try to use http://opensource.adnovum.ch/mod_qos/ mod_qos now taking care of anything :)

Squid Proxy – How to Limit Total Bandwidth

You could set up shaping with rules something like this:

tc qdisc del dev eth0 root

tc qdisc add dev eth0 root handle 1: htb default 1 r2q 160

tc class add dev eth0 parent 1: classid 1:1 htb rate 2000kbit burst 1k
tc class add dev eth0 parent 1:1 classid 1:2 htb rate 2000kbit ceil 2000kbit burst 1k
tc class add dev eth0 parent 1:1 classid 1:3 htb rate 1200kbit ceil 1200kbit burst 1k

tc qdisc add dev eth0 parent 1:2 handle 2: sfq perturb 10
tc qdisc add dev eth0 parent 1:3 handle 3: sfq perturb 10

Then you could use iptables to classify packets into these classes:

iptables -t mangle -A POSTROUTING -o eth0 --set-class 1:2
iptables -t mangle -A POSTROUTING -o eth0 -m tcp -p tcp --dport 80 -j CLASSIFY --set-class 1:3

Note that it's the last matching rule that sets the class, it doesn't short-circuit when one rule matches. It took me a while to grok that.

Best Answer

Related Solutions

Ubuntu – Apache2: Limit simultaneous requests & throttle bandwidth per IP/client

Squid Proxy – How to Limit Total Bandwidth

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