| GSM Data
Properties: Evaluation |
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| n | Circuit-switched
data is good for cases when continuous |
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| data
flow is needed/required |
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| n | Billing
is based on time, not amount of data |
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| n | Limited
number of mobiles can be supported per carrier (8 |
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| channels) |
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| n | Circuit-switched
data is not optimal for |
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| – | packet-based
protocols such as IP |
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| – | bursty
traffic |
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| – | unbalanced
traffic (using mainly one channel direction) |
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| n | Packet switched service is needed for GSM |
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| n | GPRS standardization was started |
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