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A Hierarchical and Distributed Handover Management Approach for Heterogeneous Networking Environments

机译：异构网络环境的分布式切换管理方法

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摘要

There is a wide consensus concerning the fact that future networks will follow the All-IP paradigm. However, for accessing these All-IP networks there are myriads of radio options as we have witnessed a rapid development of several wireless technologies, some of them being complementary while others competing in terms of QoS, security or cost. Within this heterogeneous environment we should strive to be "Always Best Connected", anytime, anywhere. Nonetheless, the ABC concept is quite a generic vision as the actors involved in the access selection process may sometimes have contradictory viewpoints. Thus, to meet the goals of the ABC vision, our work concentrates on distributing the handover decision function over multiple entities within networks and the end-terminals; our approach allows the dynamic construction of a handover decision chain in a hierarchical and distributed manner and for each (user, application's flow) 2-tuple; when selecting the "best" access option we take into account comprehensive policies and parameters related to access networks, applications, users and operators.
机译：有关未来网络将遵循全IP范例的事实，存在广泛的共识。但是，对于访问这些全IP网络，有多个无线电选项，因为我们目睹了多种无线技术的快速发展，其中一些是互补的，而其他人则在QoS，安全性或成本方面竞争。在这个异构环境中，我们应该努力随时随地“总是最合适”。尽管如此，ABC概念是一般的愿景，因为涉及访问选择过程的演员可能有时可能具有矛盾的观点。因此，为了满足ABC愿景的目标，我们的工作集中在网络和最终终端内的多个实体上分配切换决策功能;我们的方法允许以分层和分布式方式和每个（用户，应用程序流程）2元组的动态构造切换决策链;选择“最佳”访问选项时，我们考虑了与访问网络，应用程序，用户和运算符相关的全面策略和参数。

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