Introduction
Earlier to .NET framework 2.0 the System.Directory Services namespce was used to program for directory services .This namespace contains the classes that are created by keeping the MS Active directory in mind .By using these classes we can programmatically manage Active directory and other directory services as well .Now .NET framework 2.0 includes the new namespace that supports to all LDAP enabled Directory services.
The System.DirectoryServices.Protocols namespace provides the methods defined in the Lightweight Directory Access Protocol (LDAP) version 3 (V3) and Directory Services Markup Language (DSML) version 2.0 (V2) standards.
The System.DirectoryServices.Protocols namespace now includes proper LDAP classes suitable for use in the middle-tier which provide all the functionality present in WLDAP32.DLL. When it absolutely, postively has to be LDAP in the middle tier, this is a godsend for .NET developers. Because after all, in its essential form, LDAP really is pretty simple and lightweight. Directory objects have attributes, and attributes have values, and that sort of hierarchical relationship should be second nature in the era of XML.
System.DirectoryServices vs. System.DirectoryServices.Protocols
One of the issues with System.DirectoryServices is cleaning up all of the connections quick enough in a high load environment. As I began to understand the underlying characteristics of System.DirectoryServices – was if you need to control cleanup of connections use System.DirectoryServices.Protocols.
Fast Concurrent Bind isn’t really a bind
One of the things that S.DS.P supports is the idea of a Fast Concurrent Bind. Basically, check my credentials to make sure that they’re OK – and don’t do anything else. I tried using Fast Concurrent Bind (because it is the fastest way to validate a user) to bind to a connection and then do a search.
Summary
There are definitely the improvement to the earlier version of the directory services SDK.Some classes that are in this new namspaces are listed below :-
LdapConnection
DirectoryResponse
DirectoryRequest etc.
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