8. Summary

The Lightweight Directory Access Protocol provides a low-overhead method of accessing the X.500 directory. It runs directly over TCP, and makes several simplifications to full X.500 DAP, leaving out many of the lesser-used features. LDAP uses primitive string encodings for most data elements, making it more efficient and easier to implement than DAP. We have developed a freely available reference implementation of LDAP which has been ported to several platforms, including UNIX, VMS, PC, and Macintosh. Our intermediate-server-based implementation introduces little delay over full DAP, produces smaller protocol exchanges, and results in smaller and less complex clients. Our implementation is freely available:


There is also an LDAP discussion list joinable by sending email to: ldap-request@umich.edu

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