could someone advise me how to calculate the overheads for IPSEC VPN with AES?
Will using different encryption effect the overhead size?
Here is an article on how to calculate the overheads that might help:
Hope that helps.
Based on the exhibit above,
A single call using G729 codec packet = 120Bytes (VPN overhead included)
L3 Data transmission rate for G729 call = 50pps (Packets Per second)
Bit Rate = 8
This should work out as;
120bytes x 50pps x 8bits = 48000bits
48000bits x 1024kb = 48kbps
Hope this is informative.
Many thanks,F Hamid
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