The way we achieved WAN characteristics was to introduce random delays with upper and lower limits in both the connection establishment and the passing of data once the link was up. It also had the feature to drop the link occasionally as WAN links were less reliable for us than local traffic.
I recall we had to make it threaded to stop the delays from affecting reverse traffic on the link. There is a very good and free Microsoft solution for that, we use it for quite some time and it works great, it can very easily simulate every thing packet loss, low bandwidth, disconnection, latency This is the best solution i found for a windows environment. Stack Overflow for Teams — Collaborate and share knowledge with a private group.
Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 13 years, 3 months ago. Active 7 years, 9 months ago. Viewed 10k times. What I thought I would do was the following: Setup up 3 machines VMware instances Install the 2 applications on two of the servers.
Improve this question. Richard Nienaber. Richard Nienaber Richard Nienaber 9, 5 5 gold badges 51 51 silver badges 64 64 bronze badges. Could you elaborate on what sort of performance testing you're trying to do? I think performance was the wrong word.
What I really want to test is at what lowerbound limit bandwidth, latency, dropped packets do things stop working to test the reliability of the software.
Add a comment. Active Oldest Votes. Improve this answer. Sec Sec 6, 5 5 gold badges 30 30 silver badges 57 57 bronze badges. Additional information Published by Microsoft Corporation. Published by Microsoft Corporation. Approximate size Age rating For all ages. This app can Access all your files, peripheral devices, apps, programs and registry Use your microphone Access your Internet connection Microsoft.
Permissions info. In-app purchases Free. Installation Get this app while signed in to your Microsoft account and install on up to ten Windows 10 devices. Language supported English United States. Additional terms Microsoft Emulator privacy policy Terms of transaction. Seizure warnings Photosensitive seizure warning.
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Report this app to Microsoft. Non-root users are given unprivileged access modes. Supports Ethernet frame generation and IPv6. Works well on Windows, Linux and Mac Comes with route tracing capabilities Its echo mode is helpful for advanced troubleshooting and discovery.
Measures latency and jitter Generates stateless traffic streams Supports multiple streams Python APIs are available for automation. Can be accessed through console and GUI You can change any field inside the packet Has multi-user support. Helps to understand the exact packet types that are getting lost between machines. Uses WinPcap to send packets, so the network interface should be compatible with it.
Works best with a wired Ethernet connection or a Gives full header control for predefined packet types.
Data payloads can be added for certain packets Packet size depends on the MTU of your network, which is typically bytes for Ethernet. Download Download a fully functional version for a trial period of 30 days from here. Comes with an integrated control panel Emulates client and server activity within minutes. Intuitive and user friendly interface. You can search a domain by specifying its IP address, set the number of pings, limit the lifetime of data stored in a computer or network.
Generates traffic with little effort.
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