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Handbook of Service Description
This chapter covers the scientific background for the Service Level Module of the Unified Service Description Language (USDL). In addition to general service level concepts, we expand on two specific service level fields: security and trust. For that end we first review the state of the art in service level modeling, then we explain the design of the Service Level Module and position it among the rest of USDL. For security, two possible perspectives, a high level business view and a low leveldoi:10.1007/978-1-4614-1864-1_12 fatcat:2wgjldwzyrhb3cgbuewa4fjhkq