Setting for WAN test in silk performer and Load runner

Bandwidth –
In networking, bandwidth is the maximum channel capacity of a network communication path. This path is the channel connecting computing devices. In performance tests, when aspiration is to emulate test more close to real time situation, bandwidth restrictions are also taken into consideration. Modern performance test tools provide us with the feature of putting network / bandwidth related restrictions. In loadrunner, this can be done using ‘speed simulation in ‘run time settings’. In SilkPerformer, this can be done by changing ‘Internet settings’ in ‘Active profile settings’.

SilkPerformer Network Settings -

Step 1:-

Open your project and Go to the Profile

Step 2:-

Once you open your profile,On left side you can see Replay Tab,Click on that Tab

Step 3:-

Thinktime here in pics. is only for representation purpose, you can choose thinktime according to your requirement.

It's better to Select three option shown in pics.(It's upto you)

Choose thinktime in ThinkTime Box, Checked mark three option showing in the above pics.  

Step 4:- 

Truelog files should be enable for bandwidth test.If you enable Truelog files option then Truelogs file will generate,Otherwise truelogs files will not generate.

Go to Results and enable TrueLog Files

Step 5:-

Customize your bandwidth for which you want to perform bandwidth test as shown below pics.

Go to Internet, choose Custom-Bandwidth and Select your bandwidth speed

Step 6:-

Simulation we choose as REVISITING because from that we can get both types of response time i.e
Response time without caching and Response time with caching(But for that you have to make script as multiple login logout and Iteration make it as 3(Tmain - 3) )

Choose Simulation as Revisiting

LoadRunner Network Bandwidth Settings -

Step 1:-

Step 2 :-

 Step 3 :-

Bandwidth simulation can be achieved more effectively by using WAN emulators.
WAN emulation –
WAN emulation is creating a network scenario in the test environment, exactly similar to production environment (real-time, end user scenario). This can be achieved using WAN emulation tools. Popular amongst those are – WANem, Shunra, etc.
WAN emulation thus allows the performance test team to setup a transparent application gateway which can be used to simulate WAN characteristics like Network delay, Packet loss, Packet corruption, Disconnections, Packet re-ordering, Jitter, etc.