Cloud Service Negotiation: A Research Roadmap

Abstract

Cloud services are Internet-based XaaS (X as a Service) services, where X can be hardware, software or applications. As Cloud consumers value QoS (Quality of Service), Cloud providers should make certain service level commitments in order to achieve business success. This paper argues for Cloud service negotiation. It outlines a research roadmap, reviews the state of the art, and reports our work on Cloud service negotiation. Three research problems that we formulate are QoS measurement, QoS negotiation, and QoS enforcement. To address QoS measurement, we pioneer a quality model named CLOUDQUAL for Cloud services. To address QoS negotiation, we propose a tradeoff negotiation approach for Cloud services, which can achieve a higher utility. We also give some ideas to solve QoS enforcement, and balance utility and success rate for QoS negotiation.

Value-driven Service Matching and Bundling via a Service Value Broker

“…This integration also helps to fill the gap of global [4] scheduling and local planning in an explicit and direct manner. Although contract negotiation [21] provides the flexibility of service transactions, it does not provide assistance on guiding the global schedule which SVB supports since the context of the service composition is usually not explicitly expressed inside a predefined service contract.…”