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acse
 Post subject: MSM Encryption process
PostPosted: Thu Oct 08, 2009 8:49 am 
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Joined: Thu Oct 08, 2009 7:52 am
Posts: 4
Hello
I just want to understand what does the msm receiving a frame to encrypt it.
What if the frame is TOS tagged, do the tagged change ?
Thanks in advance.
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LLE
 Post subject: Re: MSM Encryption process
PostPosted: Tue Dec 08, 2009 6:25 am 
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Joined: Fri Oct 02, 2009 3:14 am
Posts: 2
MSM (Media Security Module) deals with 2 kinds of IP flows:
1) Signaling call control
2) Voice Media
For #1 IPSec protocol is used in transport mode (IP header of packets is kept unchanged).
For #2 SRTP protocol is used.

So in all cases TOS/Diffserv fields value is transmitted without any change after encryption proceeded by the MSM.
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Board index » FORUMS » [THALES]: IP SECURITY / ENCRYPTION

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