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Design question: Performance challenges running a web app over an internal network to remote office?

Posted on 2014-02-11
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What are the potential performance challenges would you anticipate when running a web app over an internal network to remote office?  

How could they be mitigated?  What impact would this scenario have on the design of the web app and/or frameworks used?
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Question by:coniglio14
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expert1010 earned 2000 total points
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This is from a networking point of view, not programming. As it is performance you aim at I would say bandwidth usage and jitter.

To mitigate the problem you need to keep those two parameters down.

Low bandwidth usage says it all. Keep it to  a minimum. Small pictures, longer TCP-connections. The impact of jitter could be potentially catastrophic. I once had to fault isolate a company's app from Sweden to India. No problem with bandwidth along the line but the jitter made it unusable due to the RTT and packet reordering. The TCP-connections never made it out of "slow start".

When you think you are ready to test your app, test it with dummynet installed on the client machine. For a starter: "simulate an ADSL link to the moon"

http://info.iet.unipi.it/~luigi/dummynet/

This one is educating in rspect to jitter. "DummyNet: Jitter simulation in MAC OS X"
http://www.youtube.com/watch?v=bNc31jpap9o
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