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The management of heterogeneous and hybrid networks has been always a challenge for network operators. Different frameworks and architectural approaches have been proposed and investigated in the literature. The purpose of this paper is to present the evaluation results of an integrated network management solution for the provisioning and maintenance of IP over WDM end-to-end services with network parameters derived from Service Level Agreements (SLAs). A detailed description of the test-bed environment as well as an integrated scenario for architectural evaluation is also included.