Abstract
DIT (Directory Information Tree), represented as a hierarchical data structure consisting of directory which is a collection of knowledge list. Replication is the method by which directory contents are automatically copied from a Directory Server to one or more other Directory Servers. Replication is handling by different replication schemes. Replication between different supported platforms is quit challenging task make possible in service oriented architecture. For accessing Directory servers the Protocol that uses TCP/IP networking stack is Lightweight Directory Access Protocol, the network protocol that is employed to access directory server's knowledge. Directory server replication helps user to access information more flexibly and speedily. In this paper we have proposed three schemes to replicate directory server data. Replication of Directory server results in high data availability and load balancing. These results reduce response time for user and prove the propose scheme is provably highly efficient and reliable. Due to more data availability the system handles fault tolerance.
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