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Resource reservation in mobile internet protocol

  • US 6,487,595 B1
  • Filed: 12/10/1998
  • Issued: 11/26/2002
  • Est. Priority Date: 12/18/1997
  • Status: Expired due to Term
First Claim
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1. Apparatus for transmitting data between first and second Internet hosts coupled via the Internet and a digital radio telephone network, the apparatus comprising:

  • allocation means for allocating one of a plurality of predefined Internet Quality of Service (QoS) levels to the transmission, said QoS levels being defined in terms of the transmission delay over the Internet;

    reservation means for reserving, if necessary, transmission capacity in the Internet to ensure the allocated QoS level is met;

    transmission mode selection means for selecting one of a circuit switched or a packet switched transmission mode for transmitting the data over the radio telephone network, said selection being made on the basis of a mapping which maps at least one of the defined Internet QoS levels to the circuit switched transmission mode and maps the remaining QoS level(s) to the packet switched transmission mode; and

    transmission means for transmitting said data over the Internet and said radio telephone network according to said allocated QoS and said selected radio telephone network transmission mode.

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