Schema for the WSLA Language. Version: wsla-20020709-1 Revision: 0.93 Authors: Heiko Ludwig (Contact), hludwig@us.ibm.com Alexander Keller Asit Dan Richard P. King Richard Franck Copyright 2001, 2002 IBM Corp. all rights reserved. Revision Comment: This revision 0.93 is not backward compatible to version 0.92. Changes: - Modified "Average" Function type to "Mean" - Added Round, Median, Mode Function types - Added MeasurementDirective types for Counter and Gauge - Added name attribute to ActionGuarantee and ServiceLevelObjective - Role is now an element of SupportingParty and can occur multiple times. - GuaranteeGroup became ObligationGroup for consistency reasons. - The Contact element of Party became optional.