Frequently Asked Questions | Oct 7, 2024 - 06:13pm |
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Frequently Asked Questions Operational Questions Chat
Bandwidth Usage
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Created On: 29 Sep 1999 6:22 pm Last Edited: 10 Feb 2005 5:09 pm |
Question |
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How much bandwidth usage should I allow for if I had a chat going with X number of people. |
Answer |
Bandwidth is usually very little with chats. One way of calculating usage is:
If one Person sends a message of about 50 characters every 20 seconds or so. This results in the same 50 characters being propagated to everyone else in the chatroom:
From the Web Crossing Server Perspective:
Total Chars/20 seconds | People In Room | Message from Each User | Received | Sent KB/s | 1 | 50 | 50 | 50 | 0.0024 KB/s | 2 | 100 | 100 | 200 | 0.0098 KB/s | 10 | 500 | 500 | 5,000 | 0.244 KB/s | 100 | 5,000 | 5,000 | 500,000 | 24.4 KB/s | 1000 | 50,000 | 50,000 | 50,000,000 | 2441 KB/s (2.4 MB/s) |
So for the high traffic case of 1000 simultaneous users, each sending a 50 character message every 20 seconds, it would take 2.4 Megabytes per second of bandwidth.
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