ITU-T Rec. E.360.1, "Framework for QoS routing and related traffic engineering methods for IP-,
ATM-, and TDM-based multiservice networks", provides a framework for QoS Service Classes
(QSCs), called virtual networks (VNETs) in the E.360.x series. QSCs
ITU-T E.361-2003 history
2003ITU-T E.361-2003 QoS routing support for interworking of QoS service classes across routing technologies Study Group 2