network outage

Whitepapers

Six keys to effective reputational and IT risk management-2013 IBM Global Reputational Risk and IT Study

May 20, 2013 12:00am PDT

IT risks like data breaches and outages pose a serious and long-lasting threat to your corporate reputation. But other risks put you in jeopardy as well. In fact, did you know that your supply...

Provided by: IBM

Whitepapers

Data Center Temperature Rise During a Cooling System Outage

April 29, 2013 12:00am PDT

The data center architecture and its IT load significantly affect the amount of time available for continued IT operation following a loss of cooling. Some data center trends such as increasing...

Provided by: APC by Schneider Electric

Whitepapers

Outage Probability in Arbitrarily-Shaped Finite Wireless Networks

April 23, 2013 12:00am PDT

This paper analyzes the outage performance in finite wireless networks. Unlike most prior works, which either assumed a specific network shape or considered a special location of the reference...

Provided by: Institute of Electrical & Electronic Engineers

Whitepapers

Application-Driven TCP Recovery and Non-Stop BGP

April 22, 2013 12:00am PDT

Some network protocols tie application state to underlying TCP connections, leading to unacceptable service outages when an endpoint loses TCP state during fail-over or migration. For example, BGP...

Provided by: Cornell University

EBooks

How Virtualization is Key to Managing Risk

April 3, 2013 12:00am PDT

Is your IT environment ready for a disaster? Virtualization can save your infrastructure before an outage occurs and can also ensure an efficient recovery without data loss. Read this eBook to...

Provided by: VMware

Whitepapers

Optimal Power Allocation for Hybrid ARQ With Chase Combining in I.i.d. Rayleigh Fading Channels

April 3, 2013 12:00am PDT

The authors consider the optimization of Chase Combining (CC)-based Hybrid-Automatic Repeat reQuest (HARQ) schemes with a limit on the maximum number of retransmissions. They formulate two...

Provided by: Institute of Electrical & Electronic Engineers

Whitepapers

Crash Insurance: Protect Your Business with Virtualization

April 1, 2013 12:00am PDT

Think that your business is safe from an IT outage caused by a natural or man-made disaster? Think again. Read this trend brief to learn more about potential risks to IT services and how a...

Provided by: VMware

Whitepapers

Performance Analysis of Two-Hop Amplify and Forward Relayed Transmission in Asymmetric Rayleigh and Rician Fading Environment

April 1, 2013 12:00am PDT

In this paper, the authors present the performance analysis of two-hop relayed transmission over asymmetric Rayleigh and Rician fading environment. In many scenarios, the commonly assumed symmetry...

Provided by: International Journal of Computer Applications

Whitepapers

Energy Efficiency Analysis for 802.15.6 based IR-UWB Body Area Wireless Sensor Networks

April 1, 2013 12:00am PDT

This paper presents energy performance analysis of recently proposed IEEE 802.15.6 body area wireless network standard. This standard has provided specifications for four possible communication...

Provided by: International Journal of Computer Networks and Wireless Communications (IJCNWC)

Whitepapers

Closed-Form Rate Outage Probability for OFDMA Multi-Hop Broadband Wireless Networks Under Nakagami-m Channels

March 31, 2013 12:00am PDT

Rate outage probability is an important performance metric to measure the level of Quality of Service (QoS) in the Generation (4G) broadband access networks. Thus, in this paper, the authors...

Provided by: Cornell University

Case Studies

Net Balance: Office 365: A Sustainable Collaboration Platform

March 26, 2013 12:00am PDT

Net Balance is an advisory firm that helps organisations achieve environmental, social and economic sustainability. Net Balance depends on email for communications and niggling outages on the...

Provided by: Microsoft

Webcasts

On-demand Webcast: Managing your virtual infrastructure - Improve Quality of Service while reducing cost

March 26, 2013 12:00am PDT

One of the biggest challenges virtualization presents is the difficulty of clearly identifying where services, applications, and data reside, and to understand how they all work together. The...

Provided by: IBM

Whitepapers

Reliable Throughput for Two-way Relay Systems by Network Coding

March 22, 2013 12:00am PDT

The throughput of wireless network can be improved by wireless network coding, without adding additional resources. However, most of the previous work focuses on the AWGN channel. In fact, the...

Provided by: Institute of Electrical and Electronics Engineers

Whitepapers

Troubleshooting Cisco Switches

March 13, 2013 12:00am PDT

When an outage or network incident takes place, it can often create an intense burden for the engineers called upon to assist. As is the case with many emergencies, the demand for action and...

Provided by: Global Knowledge

Blog Post

What enterprises need to know on cloud deployments

March 4, 2013 8:09pm PST

Krishan Sharma details the most critical pieces of advice for any organisation thinking about making a transition to the cloud.

Whitepapers

Development of a Mathematical Framework for Comparison of Underlay and Overlay Systems

February 26, 2013 12:00am PST

Overlay and underlay are two main spectrum access strategies in cognitive radio. In this paper, the authors have driven closed form expressions for the primary service outage probabilities of both...

Provided by: International Journal of Electronics Communication and Computer Engineering

Whitepapers

Impact of Partial Relay Selection on the Capacity of Communications Systems with Outdated CSI and Adaptive Transmission Techniques

February 8, 2013 12:00am PST

The impact of outdated Channel State Information (CSI) on the capacity of Amplify-and-Forward (AF) partial relay selection systems is studied in this paper. The closed-form expressions for the...

Provided by: EURASIP

Whitepapers

Optimal Throughput-Outage Trade-off in Wireless One-Hop Caching Networks

February 8, 2013 12:00am PST

The authors consider a wireless Device-To-Device (D2D) network where the nodes have cached information from a library of possible files. Inspired by the current trend in the standardization of the...

Provided by: University of Southampton

Whitepapers

Unifying security and IT operations

February 7, 2013 12:00am PST

Every additional tool, process, and handoff creates another opportunity for a defense to be breached, service to be degraded, or for additional time and cost due to overlapping tools and...

Provided by: HP

Whitepapers

Making the Case for DDoS Protection

February 4, 2013 12:00am PST

This white paper, jointly produced by Arbor Networks and Gartner, is intended to educate and inform IT decision makers about the nature and scope of the threat posed by distributed denial of...

Provided by: Arbor Networks