Cellular Digital Packet Data (CDPD) - Bnrg.cs.berkeley.edu ...

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CDPD Entities• M-ES– CDPD network trackes location of ES’ and routes themnetwork datagrams– ES’ address does NOT imply location; currentsubnetwork “point of attachment” determines this– ES’ are associated with the CDPD network’s routingdomain, not the user’s corporate home network– Mobility support functions:» Mobility management: tracking MDES and routing» Radio resource management: connectivity tosubnetwork “point of attachment”6
CDPD Entities• Fixed End Systems (F-ES)– Fixed location, traditional routing can be used– Internal F-ES: provided by service provider, consideredto be inside the security firewall» For authentication, authorization, network mgmt,accounting» For domain name services, location services, etc.– External F-ES: external to CDPD, must operate over theexternal network interface7
Page 1 and 2: CS 294-7: Cellular Digital PacketDa
Page 3 and 4: Cellular Digital Packet DataISInter
Page 5: CDPD Network ArchitectureColor Code
Page 9 and 10: CDPD Entities• Mobile Data Base S
Page 11 and 12: CDPD ProtocolsNetwork Layer DataNet
Page 13 and 14: CDPD Protocols• MAC Layer- Arbitr
Page 15 and 16: CDPD Protocols• Mobile Data Link
Page 17 and 18: Mobile Network RegistrationProtocol
Page 19 and 20: M-ES Channel Hopping• Initiation
Page 21 and 22: Network Layer Mobility:CDPD vs. Mob
Page 23 and 24: Network Layer Mobility:CDPD vs Mobi

Cellular Digital Packet Data (CDPD) - Bnrg.cs.berkeley.edu ...

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