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File Access and Protocols Feature Guide 13

OceanStor 18500 V3 and 18800 V3 Mission Critical Storage System V300R003

This document describes the implementation principles and application scenarios of the NAS feature. Also, it explains how to configure and manage NAS.
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Introduction

Introduction

Common file access protocols include Network File System (NFS), common Internet file system (CIFS), File Transfer Protocol (FTP) and Hypertext Transfer Protocol (HTTP). This section describes the differences between them.

NFS

NFS is a protocol developed by Sun. Internet Engineering Task Force (IETF) is in charge of developing its new versions. This protocol is designed for file sharing among Linux, UNIX, Mac OS, and VMware operating systems.

CIFS

CIFS is a file system share protocol developed by Microsoft and primarily used in Windows environments.

FTP

File Transfer Protocol (FTP) is a universal protocol for transferring files between two computers over a TCP/IP network and primarily used in Internet.

HTTP

Hypertext Transfer Protocol (HTTP) is a protocol for transferring hypertext from web servers to local clients and primarily used in Internet.

Protocol Comparison

Table 1-1 compares the protocols.

Table 1-1  Protocol comparison

Type

Application Scenario

Transmission Protocol

Working Principle

NFS

Linux and UNIX environments, including the non-domain environment, Lightweight Directory Access Protocol (LDAP)a domain environment, and network information service (NIS)b domain environment.

Transmission Control Protocol (TCP) or User Datagram Protocol (UDP)

Client/Server architecture, requiring client software

CIFS

  • Windows environments, including the non-domain environment and active directory (AD)c domain environment.
  • Linux environment in which the SMB client is installed.

TCP

Client/Server architecture, with client software being integrated into operating systems

FTP

No restrictions on operating systems.

TCP

Client/Server architecture, with client software being integrated into operating systems

HTTP

No restrictions on operating systems.

TCP

Browser/Server architecture

a: LDAP is a domain environment in Linux and used to construct a user authentication system based on directories.

b: NIS is a domain environment in Linux and can centrally manage the directory service of system databases.

c: AD is a domain environment in Windows and can centrally manage computers, servers, and users.

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Updated: 2019-08-14

Document ID: EDOC1000084098

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