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In this section we present a brief overview of an Internet Indirection Infrastructure, $i3$ [6], which forms the foundation for our mobility solution. The purpose of $i3$is to provide indirection; that is, it decouples the act of sending from the act of receiving. The $i3$service model is simple: sources send packets to a logical identifier, and receivers express interest in packets sent to an identifier. Delivery is best-effort like in today's Internet, with no guarantees about packet delivery.


Shelley Zhuang 2003-03-03