Mobility

A Less-Is-More Architecture (LIMA) for a Future Internet

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Executive Summary

A new addressing and routing design called the Less-Is-More Architecture (LIMA) is proposed as an inter-domain solution for a future Internet. Unlike recently proposed identifier-locator split solutions, LIMA uses just (topological) location-independent names and location-dependent addresses. The feasibility of using a policy combination of restricting stubs to provider-aggregatable addressing only, and disallowing stub-level reachability from being propagated into the global routing tables, is studied. This policy combination results in significantly smaller global routing tables but creates four challenges of address renumbering (when stubs change providers), multi-homing, mobility, and traffic engineering.

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