ABSTRACT
CONTENTS Preface................................................................................................................... 494 Introduction.to.JAIN.and.Related.Technologies............................................. 494
History.of.JAIN........................................................................................... 494 JAIN.SLEE.Overview................................................................................. 495
Resource.Adapters.......................................................................... 495 Events. ............................................................................................ 495 Activities.and.Activity.Contexts.................................................. 496 Services.and.Service.Building.Blocks.(SBBs).............................. 496
JAIN.SLEE.in.the.Context.of.IMS...................................................................... 496 IMS.Application.Servers-An.Overview................................................ 496
SIP.User.Agent................................................................................ 498 SIP.Proxy.Server............................................................................. 499 SIP.Redirect.Server......................................................................... 499 SIP.B2BUA.(Back-to-Back.User.Agent)........................................ 499
Analysis.of.JAIN.SLEE-Driven.IMS.Application.Server.......................500 Performance.....................................................................................500 Protocol.Support.............................................................................500 Stability.and.Scalability................................................................. 501 Fault.Tolerance................................................................................ 501
Case.Study-Online.Charging.Application.Server.............................. 502 Solution.Overview.......................................................................... 502 B2BUA.Functionality......................................................................503 Charging.Function.........................................................................505 Charging.in.Case.of.Back-End.ABMF/RF.Unavailability........505 Charging.of.Emergency.Calls.......................................................505 iFC.Configuration...........................................................................506 Dimensioning.and.Performance.Observed................................506
Conclusion............................................................................................................ 507 References............................................................................................................. 507
