FLAT ADDRESS AND MOBILITY FIRST

New features like mobility, multi-homing, security and inter-networking among heterogeneous network domains are challenging the current Internet architecture. The service offered today, provides end-to-end communication using a global and hierarchical addressing space , i.e., unique IP address for both localization and identification functions. A common view present in the current literature is that an homogeneous inter-networking protocol as represented today by the IP protocol is no more convenient for supporting the introduction of new services.Requirements for mobility and security emphasize the need of a new inter-networking architecture.

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The main points to make a new approach for the Internet architecture viable are

• Separation of identity and localization,
• The creation of overlay networks for introducing
  • New control plane functionality
• The adoption of new routing strategies for these overlay networks