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High Availability

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ALSO CALLED: Highly Available Computing, Data Availability, HA, High-availability, Availability
DEFINITION: In information technology, high availability refers to a system or component that is continuously operational for a desirably long length of time. Availability can be measured relative to "100% operational" or "never failing." A widely-held but difficult-to-achieve standard of availability for a system or product is known as "five 9s" (99.999 percent) availability.Since a computer system or a network  … 
Definition continues below.
High AvailabilityWhite Papers (View All Report Types)
51 - 75 of 304 Matches Previous Page  | Next Page
Vodafone Ireland implements world-class service excellence with HP BSM
sponsored by Hewlett-Packard Company
WHITE PAPER: Read this paper to learn how Vodafone Ireland achieved a 300% ROI when it replaced its reactive, introspective, fragmented IT operations processes with a more effective, integrated, end-to-end IT management framework.
Posted: 20 Dec 2011 | Published: 14 Dec 2011

Hewlett-Packard Company

LBBW Asset Management Improves Fault-Tolerance and Scalability of Citrix® XenDesktop® VDI Deployment with Sanbolic® Melio™
sponsored by Sanbolic Inc.
WHITE PAPER: In this case study, discover how you can prevent unexpected downtime and enable highly available and scalable virtual desktops. Find out how you can build a fault-tolerant infrastructure and reduce your storage requirements with a robust software suite.
Posted: 20 Apr 2012 | Published: 20 Apr 2012

Sanbolic Inc.

VMware’s vSphere Storage Appliance: High Availability for Small IT Operations
sponsored by VMware, Inc.
WHITE PAPER: While maintaining high availability is critical in every business to avoid downtime and keep systems running smoothly, it can be very costly. This white paper introduces a new, automated storage solution that offers a cost-effective alternative approach to ensuring high availability and business continuity.
Posted: 06 Apr 2012 | Published: 03 Oct 2011

VMware, Inc.

VMware: Virtualizing Your Infrastructure Just Got Easier
sponsored by VCE
WHITE PAPER: Concerns about migration downtime, security, and application service level maintenance have kept many organizations from virtualizing their infrastructure. Read this paper to discover how a converged infrastructure platform can bring you all the benefits of virtualization without the risks typically associated with an implementation.
Posted: 15 Feb 2012 | Published: 15 Feb 2012

VCE

VCE and VMware: Virtualizing Your Infrastructure Just Got Easier
sponsored by VCE
WHITE PAPER: Concerns about migration downtime, security, and application service level maintenance have kept many organizations from virtualizing their infrastructure. Read this paper to discover how a converged infrastructure platform can bring you all the benefits of virtualization without the risks typically associated with an implementation.
Posted: 15 Feb 2012 | Published: 15 Feb 2012

VCE

Datacenter Consolidation Best Practices Whitepaper
sponsored by Virtual Instruments
WHITE PAPER: Check out this white paper to learn why consolidating your storage may be the answer to your content management and security challenges. In this paper, learn about the changing requirements of today's storage landscape and receive best practices to help you manage performance, capacity, reliability and cost of your organization's storage.
Posted: 13 Feb 2012 | Published: 13 Feb 2012

Virtual Instruments

Boeing Commercial Aviation Services IT performance, availability, customer satisfaction soars
sponsored by Hewlett-Packard Company
WHITE PAPER: This case study details how Boeing's Commercial Aviation Services division leveraged application performance management (APM) tools to improve availability of business critical applications; empower application teams to take ownership of system availability and performance; streamline business processes; and lower costs.
Posted: 22 Dec 2011 | Published: 31 Aug 2010

Hewlett-Packard Company

Dynamic Routing Architecture
sponsored by Progress
WHITE PAPER: Read this paper to find out how dynamic routing architecture (DRA) optimizes communications beyond clustering in complex, distributed topologies to enable easier scaling and greater agility in changing the IT environment to meet changing business needs and market conditions.
Posted: 28 Nov 2011 | Published: 28 Nov 2011

Progress

High Availability and Load Balancing
sponsored by Progress
WHITE PAPER: This paper, the third in a series on enterprise data integration, examines how "connection-weighted load balancing" provides fast, reliable, highly available cluster processing.
Posted: 28 Nov 2011 | Published: 31 Dec 2010

Progress

Virtual Fabrics Provide Administrative Flexibility in a Shared Storage Environment
sponsored by Brocade
WHITE PAPER: Learn about a technology that enables you to better manage your SAN assets by creating logical groups of separately managed devices, ports, and switches within your SAN - all without disrupting existing environments.
Posted: 21 Nov 2011 | Published: 30 Jan 2009

Brocade

Top five considerations for small and midsize businesses looking to deploy virtual desktops
sponsored by Citrix
WHITE PAPER: This paper examines the top 5 VDI considerations from an SMB point of view, recognizing the unique resource and budget constraints, and compare approaches that will help you select the best solution for your organization. View now to explore how you can cut operational costs and improve worker productivity by implementing virtual desktops. 
Posted: 31 Oct 2011 | Published: 31 Oct 2011

Citrix

Oracle x86 Rack Servers Optimized for Rapid Deployments and Operational Efficiency
sponsored by Oracle Corporation
WHITE PAPER: This white paper reveals key factors to consider when selecting a server and explains why more and more organizations are relying on x86 platforms. Access key findings from your peers concerning their spending on servers, power and cooling expenses, and more.
Posted: 07 Oct 2011 | Published: 01 Feb 2011

Oracle Corporation

VDI: Benchmarking Paper
sponsored by DataCore Software Corporation
WHITE PAPER: This paper reports on efficient configurations for Virtual Desktops (VDs) which reduce the total hardware cost and improve the storage infrastructure. Check it out to learn more about topics, including virtualisation, optimisation, and high availability.
Posted: 19 Sep 2011 | Published: 19 Sep 2011

DataCore Software Corporation

Business Benefits of Application Delivery
sponsored by Citrix
WHITE PAPER: This white paper discusses four goals that companies must strive to meet and highlights a Web application delivery controller that can assist them in the process. Access a comprehensive overview of this technology and its key benefits.
Posted: 06 Sep 2011 | Published: 06 Sep 2011

Citrix

Caritas Christi Health Care cuts power usage by 50% while providing high availability using Dell servers with Intel Xeon processors
sponsored by Dell, Inc.
WHITE PAPER: Caritas Christi Health Care used an information system to manage patient information, but its legacy hardware put the organization at risk of downtime, and the high-maintenance systems could no longer support growth. Find out how the healthcare facility selected an IT infrastructure that allowed for greater availability and EHR implementation.
Posted: 22 Aug 2011 | Published: 22 Aug 2011

Dell, Inc.

IT Service Excellence
sponsored by BMC-Accenture
WHITE PAPER: This white paper provides insight into the relationship between service management and performance. Discover the key attributes of service excellence and the results you can achieve by implementing a lifecycle-based approach.
Posted: 11 Aug 2011 | Published: 11 Aug 2011

BMC-Accenture

The Costs and Implications of EHR System Downtime on Physician Practices
sponsored by Stratus Technologies
WHITE PAPER: The paper includes calculations showing the cost of downtime expected for a given level of EHR solution uptime in practices of various sizes, as well as products associated with specific uptime levels. The report also includes a “cost per hour” tool that estimates the financial impact of downtime in practices they administer, oversee or assist.
Posted: 11 Aug 2011 | Published: 11 Aug 2011

Stratus Technologies

Myth Busted: Affordable, Easy to Manage Virtualization with High-Availability is a Reality
sponsored by Stratus Technologies
WHITE PAPER: SMBs want to take advantage of the benefits of virtualization but it can be costly to manage if they do not have the required skills in-house. Dan Kusnetzky takes a deep look at all of the benefits as well as the issues these businesses are facing, including the requirement to use automated systems, reducing complexity and maintaining availability.
Posted: 11 Aug 2011 | Published: 11 Aug 2011

Stratus Technologies

Dell Microsoft Windows Server 2008 Hyper-V Reference Architecture
sponsored by Dell and Microsoft
WHITE PAPER: This paper proposes several sample virtualisation architectures based on Dell's server and storage products. Architectures are divided into three main categories: Small, Medium, and Large. These categories are based on the features and capacity of each product, as well as the complexity of the overall architecture.
Posted: 22 Jun 2011 | Published: 21 Jun 2011

Dell and Microsoft

7 Ways to Manage Rapid Patient Data Growth
sponsored by Dell Compellent
WHITE PAPER: This white paper discusses seven ways healthcare IT teams can use Dell Compellent Fluid Data storage to drive efficiency, ensure high availability and protection, and readily adapt to constant change.
Posted: 10 May 2011 | Published: 30 Jul 2010

Dell Compellent

HP E5000 Messaging System for Microsoft Exchange Server 2010
sponsored by HP and Microsoft
WHITE PAPER: Email, voicemail, instant messaging, social networking, messages, faxes, shared calendars, and centralized contacts are all essential for boosting productivity and collaboration. Email has evolved from more than just text. Many would find the situation daunting, but smart organizations know the solution. Read this white paper to learn more.
Posted: 25 Apr 2011 | Published: 25 Apr 2011

HP and Microsoft

The Economics of Cooperative Control – Protocols are Free
sponsored by Aerohive Networks
WHITE PAPER: Instead of regurgitating an architecture where costly, centralized controllers are needed, Aerohive followed the original intent of the 802.11 standard designers more closely and brought the technology to maturity. This paper explores how inter-AP protocols can execute the same functions performed by centralized controllers with lower cost.
Posted: 01 Apr 2011 | Published: 30 Mar 2011

Aerohive Networks

Business Risk and the Midsize Firm: What Can Be Done to Minimize Disruptions?
sponsored by HP & Intel®
WHITE PAPER: While it is clear that midsize businesses must prepare for disasters just as larger enterprises do, very few have actually taken action. What are the critical steps for disaster preparedness? Read this paper for that information.
Posted: 21 Mar 2011 | Published: 21 Mar 2011

HP & Intel®

Transparent Application Scaling with IBM DB2 PureScale
sponsored by IBM
WHITE PAPER: With IBM DB2 pureScale transparent application scaling, you can transparently add capacity to your network to handle fluctuations in demand without changing the application. pureScale technology also helps to deliver active-active high availability. Find out how these features work. 
Posted: 15 Mar 2011 | Published: 15 Mar 2011

IBM

Enhancing Exchange Server 2010 Availability with Neverfail: Best Practices for Simplifying and Automating Email Continuity
sponsored by Neverfail Group Limited
WHITE PAPER: This white paper provides an overview of the availability features in Microsoft’s Exchange Server 2010 platform. Details include planning, migration, and cost-related considerations. The paper also includes details on how Neverfail’s technology can help IT organizations build an efficient, manageable, and cost-effective messaging infrastructure.
Posted: 15 Feb 2011 | Published: 15 Feb 2011

Neverfail Group Limited
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HIGH AVAILABILITY DEFINITION (continued): …  consists of many parts in which all parts usually need to be present in order for the whole to be operational, much planning for high availability centers around backup and failover processing and data storage and access. For storage, a redundant array of independent disks (RAID) is one approach. A more recent approach is the storage area network (SAN).Some availability experts emphasize that, for any system to be highly available, the parts of a system should be well-designed and thoroughly tested before they are used. For example, a new application program that has not been thoroughly tested … 
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