1.Protocols for advanced networking(TISPAN);IP Multimedia Subsystem(IMS);Functional architecture[].ETSI TSV.2007
2TISPAN.Resource and Admission Control Sub-System(RACS):Functional Architecture[].ETSI ES.2008
3.Technical Specification Group Services and System Aspects;Architecture enhancements for non-3GPP accesses[].GPP TS.2007
4Technical Specification Group Services and System Aspects.General Packet Radio Service(GPRS)enhancements for Evolved Universal Terrestrial Radio Access Network(E-UTRAN)access[].GPP TSV.2007
5K.Nichols,S.Blake,F.Baker,andD.Black.“Definition of theDifferentiatedServicesField(DS Field) in theIPv4 andIPv6Headers[].IETF RFC.1998