Design of QUANTA and an Evaluation Methodology
Sudheer Dharanikota, Kurt J. Maly · 1996
QUANTA (QUality of service Architecture for Native TCP/IP over ATM networks) is an end-to-end architecture, which takes an application-oriented approach to address the architectural issues in providing guaranteed QoS. In this architecture we integrate different application requirements and different existent native architectures into a single end-to-end architecture. This paper briefly reviews the fundamental architectural components needed and our proposed solution to address the issues raised. We group these components into application-level and protocol-level components, define the tasks of each of these components, and provide a description of the design. The application-level components include a TLI-like interface to the application (which apart from managing the connections, maintain, manage and renegotiate of different connections in an application), and a resource reservation daemon to manage the resources of the end-system. The protocol-level components include a Generic Soft State (GSS) component, a resource management component, and a QoS provision component. In this paper we describe the GSS component and present a methodology to evaluate QUANTA in its success to provide to the application the requested QoS.