A Location Management-aware Mapping System for ID/Locator Separation to Support Mobility

In these days, Internet Default Free Zone (DFZ) is facing a scalability problem due to the double use of the current Internet Protocol (IP) name space. IP name space is used for both the location finding and identification of a host. Hence, scalability is not only affected but also mobility is difficult to achieve due to the dual use of IP. Therefore, Locator and identifier separation is proposed and discussed in the research community as a way to solve the above problem. However, this solution further creates a big challenging issue in designing a scalable mapping system to support efficient mobility of users while providing scalabilty. In this paper, we propose a hierarchical mapping system based on today IP allocation/assignment. We evaluate our mapping system and show that scalability, short lookup time can be achieved. However, to maintain the scalability in case mobility is a chalange. Therefore we provide a smooth location management scheme for mobility where the signaling cost is low compared to the approach using distributed hash table since the location updates is kept local