56.Explain Network File System V 4 (NFSv4).
Ans.
1. NFS version 4, offers better security and performance enhancement over previous versions of NFS protocols.
2. NFSv4 incorporates RPCSEC-GSS security, which makes it possible to encrypt the data stream transmitted between NFS client and server.
3. To increase performance, NFSv4 makes complete use of client-side caching to reduce the frequency with which clients must communicate with an NFS server. It increases overall performance by minimizing the number of server round tips.
4. NFSv4 extends its support to ACL (Access control list).
5. Although it is interoperable with NFSv3 but its clients cannot
mount NFSv2 Exports.
6. NFSv4 enhances performance over internet even on low bandwidth network connections.
7. NFSv4 also supports UTF-8 filenames making cross-platform and inter-character set file sharing more comfortable.
Ans.
1. NFS version 4, offers better security and performance enhancement over previous versions of NFS protocols.
2. NFSv4 incorporates RPCSEC-GSS security, which makes it possible to encrypt the data stream transmitted between NFS client and server.
3. To increase performance, NFSv4 makes complete use of client-side caching to reduce the frequency with which clients must communicate with an NFS server. It increases overall performance by minimizing the number of server round tips.
4. NFSv4 extends its support to ACL (Access control list).
5. Although it is interoperable with NFSv3 but its clients cannot
mount NFSv2 Exports.
6. NFSv4 enhances performance over internet even on low bandwidth network connections.
7. NFSv4 also supports UTF-8 filenames making cross-platform and inter-character set file sharing more comfortable.
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