amar

• May 31st, 2007

 

NIS	NIS+
Machine name and user's name can be the same	Machine name and user names must be unique. Furthermore, you cannot have a dot (.) in your machine or user name.
Domains are flat--no hierarchy.	Domains are hierarchical--data stored in different levels in the namespace.
Names and commands are case sensitive.	Names and commands are not case sensitive.
Data is stored in two-column maps.	Data is stored in multicolumn tables.
Uses no authentication.	Uses DES authentication.
An NIS record has a maximum size of 1024 bytes. This limitation applies to all NIS map files. For example, a list of users in a group can contain a maximum of 1024 characters in single-byte character set file format.	Has no limit.
Provides single choice of network information source.	Client chooses information source: NIS, NIS+, DNS, or local /etc files.
Updates are delayed for batch propagation.	Incremental updates are propagated immediately