kumar511
Profile Answers by kumar511

Dec 21st, 2007

NIS+ was mainly designed to address problem that NIS cannot address

           NIS                                                     NIS+

1. Machine name & users name can be      1. Machine name and user and user names
same                                                               must be unique

2.Domains are flat no hierarchy                  2. Domains are hierarchical
                                                                       data stored in different levels in the
                                                                        name space.
3. Names and commands are case sesitive 3. Names and commands are not case
                                                                         case sensitive

4. Data is stored in 2 column maps             4. Data is stored in multicolum tables.

5. Uses no authentication                           5. Uses DES authentication.

6. An NIS recored has a max size 1024 byte.6. Has no limit.
this limitation applies to all NIS map files.

7. Provides single chocie of network          7. Client chooses information source nis,
information source.                                         nis+, DNS or local /etc files.

8. Updates are delayed for batch progation. 8. Incrementatl updated are propagated
                                                                         immediately.