Network Traffic Engineering Guidelines for Fibre Channel Switches

Scalability—or performance? In the past, storage area network (SAN) architects had to choose one over the other with regard to their SANs. Now, however, compromise is no longer necessary. Stackable switch solutions allow for seamless scaling and high performance—which means you can breathe as easily as your data transfers.

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Usability as an ERP Selection Criteria

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Enterprise resource planning (ERP) software is often criticized for being complex and difficult to use—which puts up a barrier to receiving potential benefits. Systems with integrated search functionality and Web-like interfaces can make ERP solutions easier to use. Learn how to evaluate ERP software for its usability, so you can avoid investing in platforms that aren’t evolved toward usable and efficient interfaces. Read More

The Need to Rethink the WAN

Technological advances have evolved at an exponential rate over recent decades—we’ve seen the advent of the Internet, cloud computing, virtualization, and several other technologies. But the wide area network (WAN) technologies that are currently in use in most branch offices have changed little since the 1990s.

Business environments today are experiencing unprecedented growth and change, and IT departments are losing visibility and control. Traditional WAN technologies are a mismatch for modern branch networks that need to be up and running quickly. The demand for adaptability, awareness of costs, and the need to run and monitor business-critical processes are indicating the necessity for a new WAN technology paradigm.

New WAN services based on the latest technologies have not been deployed by traditional service providers, primarily because they require an initial financial outlay which companies are not prepared to make. But they are poised to succeed multiprotocol label switching (MPLS), and are the most viable alternative for supporting application performance while dealing with increased network traffic and the connectivity demands of cloud computing and mobile access.

In this white paper, the characteristics of WAN technology and the limitations of traditional WAN technology, including complexity, are explored. This paper also discusses some new approaches, such as a hybrid WAN, which are better suited to supporting fast-changing business and technology environments.  Read More

Optimizing Bandwidth: Why Size Doesn’t Always Matter

Network managers have to balance the need for increased speed of response and the best possible end user performance, and the need to reduce costs.

Traffic on the network expands to fill the available bandwidth, resulting in degraded performance across the most congested links. Network managers have to be able to show that a link is experiencing congestion for a significant amount of time due to legitimate business usage before they can add additional capacity. But approaches such as peak or average utilization and traffic totals provide limited insight into and understanding of network congestion.

To optimize the use of existing capacity and make the business case for more bandwidth, network managers need to ask themselves a number of questions. In this white paper, a new approach to getting needed information about network congestion is discussed. Principles to consider for effective capacity planning are discussed, as well as the limitations to traditional approaches to managing network capacity, and a solution called burst utilization is given, to measure performance and save network managers time.

A burst-style view shows the links spending the most amount of time in a congested state and the time in that state. Using this information, the network manager can explore why the link is busy and whether additional bandwidth is needed, and identify any links where capacity could be reduced. By using existing bandwidth more effectively, they may be able to improve the end user experience.  Read More

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Benefits and Methods of SAN Extension Using QLogic Switches and Routers

Realize the benefits of storage area networks (SANs) by using public or private networks. The benefits of SANs include centralized data management, back up, and restoration of data, as well as remote archiving for disaster recovery and business continuity. Host bus adapters (HBAs), switches, and multiprotocol routers are the keys to the fibre channel network—and the high-quality of select remote sites. Read More

Stackable Switches: A Better Way to Scale SAN Infrastructure

Fibre channel storage area networks (SANs) used to be implemented in only high-end enterprise class data centers, but this is no longer the case. SANs have become more affordable and can be widely implemented without sacrificing performance. When you need to expand your frame-based computer network, consider stackable switches as a cost-effective solution for the infrastructure of a fibre channel SAN. Read More

QLogic vs. Emulex 4Gb Fibre Channel HBA: Performance in Windows Environment

Organizations need lower ownership costs for hardware. But that’s not all. They also need a protected infrastructure investment, and applications that perform the way they need them to, when they need them. To meet these demands, enterprise storage area network (SAN) users must deploy a scalable host bus adapter architecture that addresses cost, performance, backward compatibility, and—most importantly—future scalability. Read More
 
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