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19 lines
970 B
Markdown
19 lines
970 B
Markdown
# Overview
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Mumble is based on a standard server-client communication model. It
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utilizes two channels of communication, the first one is a TCP connection
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which is used to reliably transfer control data between the client and the
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server. The second one is a UDP connection which is used for unreliable,
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low latency transfer of voice data.
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Both are protected by strong cryptography, this encryption is mandatory and cannot be disabled. The TCP control channel uses TLSv1 AES256-SHA[^1] while the voice channel is encrypted with OCB-AES128[^2].
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While the TCP connection is mandatory the UDP connection can be compensated by tunnelling the UDP packets through the TCP connection as described in the protocol description later.
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[^1]: <http://en.wikipedia.org/wiki/Transport_Layer_Security>
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[^2]: <http://www.cs.ucdavis.edu/~rogaway/ocb/ocb-back.htm>
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