Service sharing is a prominent operating model to support business. Many large inter-organizational networks have implemented some form of value added integrated services in order to reach efficiency and to reduce costs sustainably. Coupling Service orientation with enterprise architecture paradigm is very important at improving organizational performance through business process optimization. Indeed, enterprise architecture management is increasingly discussed because of information system

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... as part of achieving the strategic direction of value creation and contribution to economic growth. Also, system architecture promotes synergy and business efficiency for inter-organizational collaboration. For this purpose, this work proposes a review of service oriented enterprise architecture. This review, enumerates several integrative and collaborative frameworks for integrated service delivery.