A Framework for Mobility and Flat Addressing in Heterogeneous Domains

Walter WongRafael PasquiniRodolfo VillaçaLuciano B. de PaulaFábio Luciano VerdiMaurício Ferreira Magalhães

Support for new features like mobility, multi-homing, security and internetworking among heterogeneous network domains are challenging the current (ossified) Internet architecture. Basically, the service offered nowadays provides end-to-end communication using a global and hierarchical addressing space, i.e., a unique address (IP) for both localization and identification functions. A common view present in the current literature is that an homogeneous internetworking protocol as represented today by the IP protocol is no more convenient for supporting the introduction of new services. The today’s requirements for mobility and security emphasize the need of a new internetworking architecture to permit the interconnection of independent domains. The main points to make a new approach for the Internet architecture viable are the separation of identity and localization, the creation of overlay networks for introducing new control plane functionalities and the adoption of new routing strategies for these overlay networks. This paper contributes in this direction by discussing a framework that instantiates a new interconnection architecture for autonomous and heterogeneous domains as proposed in the context of the Ambient Network Project [Ahlgren et al. 2006].

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