| Constant
bit rate (CBR) |
| (ITU-T:
Deterministic bit rate = DBR) |
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| Specified for
connections that require a certain amount of |
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| bandwidth,
characterized by a Peak Cell
Rate (PCR) value |
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| that is
continuously available during the entire connection |
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| lifetime. The
source may emit cells at or below the PCR at |
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| any time and
for any duration (or may be silent). |
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| Typical
applications: |
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| - Voice (standard 64 kbit/s PCM) |
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| - Circuit Emulation Services (CES) |
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| This category
is mainly intended for (but not restricted to) |
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| real-time (RT)
services. |
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