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looking for bandwidth emulator

By beichinger ·
As an alternative to asking people to check from home, the speed of pages on the websites I have, I would rather emulate different speeds from my desk to see how the pages load. Anyone have any suggestions on software or if this is possible?

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looking for bandwidth emulator

by Lo In reply to looking for bandwidth emu ...

Interesting

You could probably do one with minimal effort (easy for me to say, I am not coding). As you most likely know or can obtain the size of the transfer, you can put in a delay timer to simulate the speed of the line. An example (top ofmy head so may have some logic, etc. bugs).

1) user accesses page
2) program obtains data but holds in buffer with size calc for text, graphics, etc.
3) Setting (from somewhere), indicates 56kbit line at 33.6kbits actual
4) N bytes at 33.6 kbit/sec would take Y seconds to transfer ((bytes * 10) / 33.6)
5) set a timer (or whatever) and every N seconds, transfer and display an appropriate amount of data to simulate the transfer.

Same setup but with a 256kbyte. Same process, just more transferred in given interval. Transfer calc changes, instead of 2 bits or so per character, there is just packet overhead in addition to the data.

You could get fancy, put in some timers (random or predefined every N seconds, server peaks and runs with some known delay) to simulate the load of server (in addition to above, just wait for some period of time to simulate queue / traffic / collision / reroute / etc.)

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looking for bandwidth emulator

by beichinger In reply to looking for bandwidth emu ...

This seems a bit more complicated than I was expecting. I was also looking for something a little more detailed.

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looking for bandwidth emulator

by GIJoe In reply to looking for bandwidth emu ...

Is this still a problem?

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looking for bandwidth emulator

by beichinger In reply to looking for bandwidth emu ...

No, I just send a link to someone in my company to try it from home.

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