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Why choose iSCSI? KernSafe iSCSI SAN User Manual
iSCSI: a cost-effective storage networking solution

The Internet Small Computer System Interface, commonly known as iSCSI, is one of the most widely adopted Storage Area Network (SAN) protocols. Because it runs on standard IP networks, iSCSI simplifies deployment and management while still delivering the advantages of block-based storage. Hosts can access remote storage as if it were locally attached.

iSCSI addresses distance, cost, and interoperability challenges by transporting SCSI commands over TCP/IP networks. It uses standard Gigabit Ethernet infrastructure to deliver storage traffic, which makes it a practical alternative to Fibre Channel SANs for many environments. iSCSI combines the familiarity and low cost of Ethernet with the performance and flexibility of block storage.

Industry support

iSCSI is supported by major software and hardware vendors such as Microsoft, IBM, Cisco, and Intel, and it is standardized by the Internet Engineering Task Force (IETF). This broad support helps make iSCSI a practical choice for organizations that want storage solutions that are affordable, manageable, and easy to integrate.

Organizations that implement iSCSI can reuse existing network investments while preparing for continued growth in IP-based storage.

Benefits of iSCSI:

• Improved storage utilization and easier manageability help reduce total cost of ownership.
• Lower initial hardware cost because iSCSI uses standard Ethernet infrastructure.
• Minimal training overhead for IT staff that are already familiar with TCP/IP networking.
• Strong interoperability across products from different vendors because IP is a universal, non-proprietary standard.
• Easier deployment of SAN environments by reusing existing network hardware and operational knowledge.
• Simpler storage networking for branch offices, departmental deployments, and cost-sensitive environments.
• Good scalability by taking advantage of widely available Gigabit and faster Ethernet technologies.

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