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http://dx.doi.org/10.3745/KIPSTC.2003.10C.2.171

A Policy Based Management Model of Quality of Service for Differentiated Services Networks  

Cha, Si-Ho (광운대학교 대학원 컴퓨터과학과)
Kang, Young-Man (여수대학교 정보기술학부)
Cho, Kuk-Hyun (광운대학교 컴퓨터공학부)
Publication Information
The KIPS Transactions:PartC / v.10C, no.2, 2003 , pp. 171-178 More about this Journal
Abstract
Differentiated Services (DiffServ) is a technique to provide Quality of Service (QoS) in an efficient and scalable way. However, current DiffServ specifications have limitations in providing the complete QoS management framework and its implementation model. This paper proposes a policy-based QoS management model that supports DiffServ policies for managing QoS of DiffServ networks. The management model conforms to Model-View-Controller (MVC) architecture, and is based on Enterprise JavaBeans (EJBs) technologies. In our model, high-level DiffServ QoS policies are represented as valid XML documents with an XML Schema and are translated to low-level EJB policy beans in the EJB-based policy server. The routing topology and role information required to define QoS policies is discovered by using SNMP MIB-II, and the QoS policy distribution and monitoring is accomplished by using SNMP DiffServ MIB.
Keywords
DiffServ; QoS Management; Policy-based Management; Service Management; Network Management;
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