A Guide to Storage Processors,
Fourth Edition
  

PUBLISHED MARCH 2007

Authors:   Jag Bolaria and Joseph Byrne
Price:       $2,995  (single copy)
Pages:      184

What's New in this Edition
Table of Contents

List of Figures
List of Tables 


Ordering Information

  PDF (384 KB) This downloadable PDFcontains the complete table of contents, list of figures, list of tables, preface, and executive summary.

An In-Depth Look at Storage Networking Silicon

The ever-increasing demand for storage, combined with changes in information management, and advances in disk-drive technology are creating new opportunities for storage silicon suppliers. Direct-attached storage (DAS) remains popular, but even data stored with DAS must be protected from drive failure. Chip companies, therefore, are supplying processors that integrate RAID acceleration, including the latest RAID 6 technology. Most recent RAID processor designs integrate SATA/SAS interfaces to reduce the cost of RAID adapters, facilitate “RAID on motherboard” designs, and enable customers to connect the most recent disk drives to their servers.

Storage-area networks (SAN) continue to grow quickly, and the affordability of iSCSI is enabling SAN technology to be used by large enterprises for applications below Tier One and by small and medium-size businesses where DAS had previously been used. Specialized iSCSI target chips are enabling microprocessors and RAID processors in external storage systems to connect to iSCSI SANs. Storage processors from other vendors use special-purpose architectures to combine iSCSI and storage management, but they have widely varying feature sets and integration.

"A Guide to Storage Processors” provides up-to-date information on these products, how well they really work, for which applications they are best suited, and whether their vendors are likely to survive. It covers leading storage-silicon vendors Emulex, Intel, LSI Logic, PMC-Sierra, QLogic, and Vitesse as well as emerging companies such as Aristos, Astute, Chelsio, iStor, and iVivity. The report covers RAID processors, high-end storage processors, iSCSI target ICs, and SAS interconnect chips from these companies.

The products covered in this report can be used in various applications, including IP storage systems, web switches, and intelligent host bus adapters (HBA) in high-end servers. Some storage processors are flexible enough to be used in security and other upper-layer applications. Unlike network processors (NPU) and general-purpose CPUs, these new devices are optimized for these applications, delivering better price/performance and integrating key functions.

New Technologies, New Companies

The report begins with an extensive overview of storage networking, including SAN, NAS, and IP storage, then provides an overview of the key standards and technologies used in these applications, including Fibre Channel, SCSI, iSCSI, SAS, SATA, TCP, and IPSec. It discusses Fibre Channel and SAS/SATA devices, describes the emerging category of storage processors, and projects key technology and market trends.

Following these introductory chapters, the report delivers thorough coverage of all announced products in this area. For each vendor, the report examines the performance, feature set, and architecture of their chips, highlighting their strengths and weaknesses in a consistent, easy-to-compare fashion. Several other vendors that have not made significant public disclosures are briefly covered. The report concludes with our own comparisons of these products and our conclusions about which will fare best.


Make Informed Decisions

As the leading vendor of technology analysis for networking silicon, The Linley Group has the expertise to deliver a comprehensive look at the full range of chips designed for storage networking applications. Authors Jag Bolaria and Joseph Byrne use their broad experience to deliver the technical and strategic information you need to make informed business decisions.

Whether you are developing Fibre Channel, SAS/SATA, or IP storage products, this report provides the information you need to make smart business decisions. Get the inside scoop on this new technology. Order “A Guide to Storage Processors” today.

This report is written for:

• Engineers who are designing networking equipment and need to select a storage processor or interconnect device.
• Marketing and engineering staff at companies that sell chips that connect to storage-networking devices.
• Technology professionals who wish an introduction to storage-networking technologies and chip/board products.
• Financial analysts who desire a detailed analysis and comparison of storage-chip companies and their chances of success.
• Press and public-relations professionals who need to get up to speed on storage networking.


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