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| n |
Wireless
Technology
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Higher
bandwidth
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Cheaper
radios (Bluetooth, ZigBee)
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Operate
in licence-free spectrum, or co-exist with other services/exploit
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unused
portions of frequency band
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| n |
Services
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Networks
are more than dump bitpipes (3G was initially big on services,
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difference
between “beyond 3G” and 4G)
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| n |
Internet
Protocols
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Existing
protocols ill-suited to wireless transmissions and mobile end-hosts
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New
protocol requirements (mobility mgmt, different types of handoff, QoS,
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security)
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Yet
another “nail in the coffin” for IPv4 (3 billion handsets!)
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