Table of Contents


Bandwidth vs. latency in SAN extensions

Within the data center, SAN throughput is driven by link bandwidth, but as SANs are extended over distance, latency must be factored in

Part III<br>Storage virtualization: SAN options

The issue that inevitably creates confusion is how and where to implement virtualization within the storage area network

Using DWDM for storage networking in MANs

Dense wavelength-division multiplexing (DWDM) solves the problems associated with applications such as disaster recovery in MANs


Business Briefs

<b>Exabyte</b> and <b>Ecrix</b> have finalized their merger, enabling Exabyte to serve the lucrative tape storage automation, high-performance, and large volume "DDS replacement" markets

Compaq, HP take 'virtual' steps

Recent product news out of Compaq and Hewlett-Packard has sparked some interesting discussion not only about the two companies' virtualization plans, but about the eventual role that various virtualization levels-server, fabric, and storage system-will ultimately play in end users' storage environments.

Dell, IBM, Compaq expand NAS options

Three of the largest storage vendors continue to push the price/capacity/feature envelope in network-attached storage (NAS) with their latest entries in the midrange market, a space that low-end NAS leader Snap Appliances entered last month (see InfoStor, November 2001, p. 8)

LeftHand Networks combines NAS, SAN

This month, Boulder, CO-based LeftHand Networks began shipments of a RAID device that combines block-level (storage area network) and file-level (network-attached storage) I/O over Ethernet

NuView tackles Dfs storage management

Houston-based NuView says it is making it easier for users and IT administrators to manage storage resources in Windows environments, specifically files residing on network-attached storage (NAS) devices

SNIA, Infinity I/O launch FC-SAN certification

Storage networking professionals can now take an exam to become certified in Fibre Channel-storage area networks (FC-SAN) with a program developed by the Storage Networking Industry Association (SNIA) and training provider Infinity I/O.

SRM vendors expand features, platforms

Several software developers recently unveiled new versions of their products in the fast-growing storage resource management (SRM) market

StorageQuest breaks down DAS, NAS barriers

With all the talk of Fibre Channel and storage area networks (SANs), it's easy to lose sight of the fact that, to date, less than one-quarter of all companies have actually implemented SANs

Users demand openness, vendors respond

EMC delivers Auto IS components

Analysts View

From DAS/NAS/SAN to 'utility-class storage'

A new class of storage system is on the horizon, and it may eliminate the drawbacks associated with direct-attached storage, network-attached storage, and storage area networks

Special Report

IP storage and Fibre Channel: Competition and co-existence

A review of the FCIP, iFCP, iSCSI, and iSNS IP storage standards and their potential positioning against the incumbent Fibre Channel and dark-horse InfiniBand


IP storage: Separating hype from reality

A review of FCIP, iSCSI, SoIP, iFCP, mFCP, and iSNS and a look at the strengths and weaknesses of IP storage

New Products

New Products

Brocade has begun shipping to its OEMs a 2Gbps Fibre Channel switch, dubbed the SilkWorm 3800, that is based on the company's Intelligent Fabric Services Architecture


To IP or not to IP?

By now, most IT storage professionals understand the potential advantages of building a storage network based on good ol' IP (as opposed to Fibre Channel): lower cost, use of existing personnel and expertise, easier management, etc. The question is no longer <i>why</i> or <i>how</i> you should use IP; it's <i>when</i>

This Issue

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Volume 5
Issue issue-12
December 2001