Temporal-Awareness in SLAs: Why Should We Be Concerned?

  • Authors:
  • C. Müller;A. Ruiz-Cortés;P. Fernández

  • Affiliations:
  • Dpto. Lenguajes y Sistemas Informáticos ETS. Ingeniería Informática, Universidad de Sevilla (Spain - España), Sevilla, (Spain - España) 41012;Dpto. Lenguajes y Sistemas Informáticos ETS. Ingeniería Informática, Universidad de Sevilla (Spain - España), Sevilla, (Spain - España) 41012;Dpto. Lenguajes y Sistemas Informáticos ETS. Ingeniería Informática, Universidad de Sevilla (Spain - España), Sevilla, (Spain - España) 41012

  • Venue:
  • Service-Oriented Computing - ICSOC 2007 Workshops
  • Year:
  • 2009

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Abstract

Traditionally, Service Level Agreements have been decomposed in two sets of properties: functionals (what) and non-functionals (how). However, in our opinion, there has been a third key element that has had a minor attention from academy: temporal awareness (when). We believe temporality is a main concern that should be addressed in realistic scenarios. In doing so, this position paper discuss our experience in extending the specification WS-Agreement with a temporal Domain Specific Language; importantly, main aim of the paper is to provoke a debate about the importance of temporality in SLAs.