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Network Storage Protocols: NFS, SMB & Object Storage

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Network storage: file, block, and object protocols

Applications access storage in three ways: as a filesystem (NFS/SMB — POSIX operations), as a block device (iSCSI — raw disk blocks), or as objects (S3 — HTTP GET/PUT). Each has different network characteristics and latency profiles.

For most workloads, understanding NFS and S3 covers the common cases: NFS for VM datastores and shared filesystems, S3 for backups, media, and cloud-native applications.

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