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Electrical Efficiency Modeling of Data Centers

whitepaper Conventional models for estimating electrical efficiency of data centers are grossly inaccurate for real-world installations. Estimates of electrical losses are typically made by summing the inefficiencies of various electrical devices, such as...

Tags: data center

[11 May 2008]

Power Concepts and Solutions for IBM System x Servers

whitepaper The goal is to present the connection between electrical theory and electrical application. This paper is intended to present not only the "How" of power delivery for System x Servers, but also the "What" and the "Why" behind power delivery...

Tags: application servers

[11 May 2008]

Data Center Projects: Establishing a Floor Plan

whitepaper A floor plan strongly affects the power density capability and electrical efficiency of a data center. Despite this critical role in data center design, many floor plans are established through incremental deployment without a central plan.

Tags: data center

[11 May 2008]

Network Convergence and the NAT/Firewall Problems

whitepaper Voice over IP technology is fueling the rapid growth on network convergence. Most enterprises today sit behind Firewalls and also use private IP addressing behind NATs (Network Address Translators). These NATs and Firewalls cause significant...

Tags: firewalls

[11 May 2008]

Distributor Simplifies Operations, Supports Global Growth With Management Solution

whitepaper Based in the Netherlands, Kannegieter distributes electrical products and cable solutions to installers of communication networks. The company needs to continually improve services to help distinguish itself in a competitive market.

Tags: erp

[06 May 2008]

Diverse Firewall Design

whitepaper Firewalls are the mainstay of enterprise security and the most widely adopted technology for protecting private networks. An error in a firewall policy either creates security holes that will allow malicious traffic to sneak into a private network...

Tags: firewalls

[04 May 2008]

A Firewall for Routers: Protect Again Routing Misbehavior

whitepaper This paper presents the novel idea of route normalization by correcting on the fly routing traffic on behalf of a local router to protect the local network from malicious and misconfigured routing updates.

Tags: switching

[03 May 2008]

Peter Cochrane's Blog: Airport insecurity

Comment So, continuously travelling with scissors, nail file, tweezers and my full mini-electrical tool kit I have traversed the planet unchallenged and unimpeded. First drafted on flight BA633 from Athens to London and finished on BA093 to Toronto a week...

Tags: travel, airports, security

[29 Apr 2008]

Imposing Order on Program Statements to Assist Anti-Virus Scanners

whitepaper A metamorphic virus applies semantics preserving transformations on itself to create a different variant before propagation. Metamorphic computer viruses thwart current anti-virus technologies that use signatures - a fixed sequence of bytes from a...

Tags: anti-virus

[24 Apr 2008]

UK online spend up 50 per cent this year

News The electrical sector fared less well but also showed positive growth of 6.8 per cent year-on-year in March. UK consumers spent £13bn online in the first three months of this year, the equivalent to £213 for every person in the country.

Tags: consumer electronics, alcohol, online retail

[22 Apr 2008]

WEEE takes council computers to Africa

News Brent Council in London has hit on a way to comply with the European WEEE (Waste Electrical and Electronic Equipment) directive for the responsible disposal of computer hardware, while also helping parts of the world in need of a tech boost.

Tags: weee, africa, computer aid, council

[21 Apr 2008]

Bank admits rising leccy bills on 'green' data centre

News In a statement announcing the Frankfurt project last year, Citi claimed the data centre will save up to 25 per cent on electrical energy consumption compared to conventional data centres and 16,000 megawatt hours each year, the equivalent of...

Tags: green it, bank, data centres

[14 Apr 2008]

A Comparison of Electrical Sector Cyber Security Standards and Guidelines

whitepaper This paper presents a review and comparison (commonality and differences) of five security standards and guidelines in the electrical distribution and control area. For this paper, only standards applicable to the electrical sector were reviewed.

Tags: security standards

[12 Apr 2008]

Raised Floor Computer Data Center: Effect on Rack Inlet Temperatures of Chilled Air Exiting Both the Hot and Cold Aisles

whitepaper This paper focuses on the effect of the rack inlet temperatures resulting from chilled air exhausting from perforated tiles situated in both the hot and cold aisles of a raised floor data center. Only the above floor(raised floor) flow and...

Tags: data center

[12 Apr 2008]

Remote Data Acquisition Using Bluetooth

whitepaper In this paper, a remote data acquisition project using Bluetooth technology is presented for a senior technical elective telecommunications course in the Electrical Engineering Technology Baccalaureate Program at Penn State Erie, The Behrend College.

Tags: modules, bluetooth, telecommunications, port

[11 Apr 2008]

DC Power for Improved Data Center Efficiency

whitepaper The data center market represents an important component of the California economy as well as a considerable and growing source of electrical demand. The mission of data centers in use today calls for them to be much more energy intensive than...

Tags: data center

[11 Apr 2008]

Electrical Efficiency Modeling for Data Centers

whitepaper The conventional models used to estimate electrical efficiency of data centers are grossly inaccurate for real-world installations. Estimates of electrical losses typically are made by summing the inefficiencies of the various electrical devices...

Tags: infrastructure management, electrical, equipment, inaccurate

[10 Apr 2008]

Construction Software Provider Equips Employees for Flexible Remote Access With Citrix GoToMyPC Pro

whitepaper Foundation Software provides the leading accounting and financial software management solutions for the construction industry's labor-intensive contractors, including electrical contractors and excavators.

Tags: remote access - ra servers, united states, contractors, clients

[10 Apr 2008]

XOsoft's WANSync Business Continuity Platform Helps Richard Fleischman & Associates Inc. Keep Systems Availability High During East Coast Blackout

whitepaper RFA builds all of its networks with the highest availability possible, based on an advanced array of electrical and communications redundancies, which it has recently strengthened with XOsoft's WANSync global business continuity platform.

Tags: disaster recovery, exchange, file, wansync

[10 Apr 2008]

Resource Pooling and Effective Bandwidths in CDMA Networks With Multiuser Receivers and Spatial Diversity

whitepaper Much of the performance analysis on multiuser receivers for direct-sequence code division multiple-access (CDMA) systems is focused on worst case near-far scenarios. The user capacity of power-controlled networks with multiuser receivers are less...

Tags: tdma - cdma, capacity, receivers, multiuser

[10 Apr 2008]

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