Framework for Service Quality Agreement - Series E: Telephone Network and ISDN Quality of Service Network Management and Traffic Engineering - Quality of Telecommunication Services: Concepts Models Objectives and Dependability Planning - Terms and Definit
In the current telecommunication's environment, the networkhervice providers face increasing competitive pressure and customer driven requirements for reliable trouble free communications. A method to satisfy these requirements is for ROAs (Recognized Operating Agencies) to have joint service quality agreements.