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In recent years, most network providers needed a larger framework of mutually shared Technology. Therefore, many network manufacturers have begun to integrate other company’s network components into their own communications network systems. Thus, making such systems possess complex nature and distinctive characteristics like different technologies, different architectures, different interfaces, different protocols, and access modes. Hence, we propose a framework for integrating space network and terrestrial networks. The framework must be capable of interconnecting a wide range of wireless access networks such as 802.11-based wireless LANs, cellular wireless, and satellite networks into a highly integrated wireless access platform. Our main contribution is the design of an architectural configuration of a wireless and mobile global communications network systems (as well as cellular networks). The issues of system integration, interoperability, and implementation are addressed. A case study of two models of System Integration was presented and compared.