ABSTRACT

Introduction.......................................................................................................... 192 Background.Knowledge..................................................................................... 193

IMS.Architecture.for.3GPP.Networks..................................................... 193 WLAN.Technology.................................................................................... 194 Wimax.Technology.................................................................................... 195

Internetworking.Architecture.and.Internetworking.Levels......................... 197 Two.Internetworking.Modes.................................................................... 197 Core.Architecture.Based.on.IMS.............................................................. 197 Internetworking.Levels............................................................................. 198

Extensions.of.SIP.Related.to.Internetworking.................................................200 QoS.Guarantee............................................................................................200 AAA.Provision............................................................................................204 Security........................................................................................................205

Reconfigurable.Cognitive.Wireless.Network..................................................206 Internetworking.Architecture.of.Reconfigurable.Wireless.