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- Maybe 'lean' and not 'green' should be the rallying cry
- We're being treated to all sorts of green data center management stats this month, which is handy, as I'm preparing a presentation for later this week. So, I'll take them one batch at a time. First up: Talked to some folks earlier this month about a joint survey released by...
- Tags: Data Center, Energy Consumption, Data Centers, Storage, Hardware, Data Management, Heather Clancy
- Blog posts 2008-04-30
- Reducing energy consumption in Data Centers - A Software Based Approach
- Increasing energy consumption in the data center is causing problems for data center operators. Many are either running out of power or are unable to expand the data center to match their business needs. Often the solutions recommended tend to be expensive and require downtime. The presenter of this webcast...
- Tags: Software, Symantec Corp., Data Center, Energy Consumption, Data Centers, Storage, Hardware, Data Management
- Webcasts 2008-02-22
- HP aims to cut PC energy use by 25 percent
- Hewlett-Packard said Tuesday that it is aiming to cut the energy consumption of its desktops and notebooks by 25 percent by 2010. The HP announcement, delivered at the Consumer Electronics Show, almost reads like it comes from an auto manufacturer trying to cut the miles per gallon...
- Tags: Hewlett-Packard Co., PC, Energy Consumption, Chipsets, Desktops, Semiconductors, Hardware, Components, Larry Dignan
- Blog posts 2008-01-08
- Ethanol from corn: does it need a subsidy?
- Ethanol from corn: does it need a subsidy?Mod -1: Off topicThis is sound byte journalism. Are you just hoping for ill-informed rants that you can confuse with actual interest in a subject? This has almost nothing to do with energy consumption as it related to IT. How...
- Tags: Utility computing, Blade servers, subsidy, energy consumption, attack
- Discussion threads 2007-10-29
- Teen wonders if we'll leave an 'IT wasteland'
- Teen wonders if we'll leave an 'IT wasteland'Spot On!Energy consumption is going to make or break the industrialized world, and especially the I.T. industry.One part this intelligent young man missed was the energy consumption of the world's communications network itself. The transmission and switching infrastructure consume vast amounts of energy...
- Tags: Strategy, information technology, Energy Consumption
- Discussion threads 2007-08-24
- Green IT: Why it matters
- Green IT: Why it mattersBuying into the CO2 Myth?So we should waste more money following the GW Religion? There are plenty of good reasons to reduce energy consumption like reducing costs, but to bring in the GW BSology is really sinking to a new low.Once thre EPA......starts doing it's job...
- Tags: PRODUCTIVITY, global warming, Green IT, energy consumption, computer
- Discussion threads 2007-04-26
- HP aims to cut energy consumption; Going green morphs to marketing
- Hewlett-Packard plans to cut its global energy use by 20 percent by 2010. Energy consumption has become a big issue in information technology and a major marketing push for vendors. While HPs goal is commendable it will also be used as...
- Tags: Desktops, Hewlett-Packard Co., energy consumption, marketing
- Blog posts 2007-03-28
- energy consumption and Conservation in Mobile Peer-to-Peer Systems
- Nowadays mobile devices are growing in number and computational resources. Devices capable of storing gigabytes of digital content are becoming ubiquitous, making them an ideal platform for peer-to-peer content delivery and sharing. However, the always on communication patterns of P2P networks are not a natural fit for energy-constrained mobile devices....
- Tags: Mobile, P2P, Energy Consumption, Peer To Peer (P2P), Internet
- White papers 2006-09-25
- An energy consumption Framework for Distributed Java-Based Systems
- This paper presents a framework for estimating the energy consumption of Java based software systems. The primary objective is to enable an engineer to make informed decisions when adapting a system's architecture, such that the energy consumption on hardware devices with a finite battery life is reduced and the lifetime...
- Tags: Software, Java, Energy Consumption, Tools & Techniques, Management
- White papers 2006-09-09
- Hibernator: Helping Disk Arrays Sleep Through the Winter
- Energy consumption has become an important issue in high-end data centers, and disk arrays are one of the largest energy consumers within them. Although several attempts have been made to improve disk array energy management, the existing solutions either provide little energy savings or significantly degrade performance for data center...
- Tags: Disk, Data Center, Disk Array, Energy Consumption, Data Centers, Storage, Hardware, Data Management
- White papers 2005-10-26
- Enhanced Power Saving for IEEE 802.11 WLAN With Dynamic Slot Allocation
- In the area of wireless mobile communication, minimizing energy consumption as well as maximizing data throughput in Medium Access Control MAC layer is a very important research issue. The Distributed Coordination Function DCF of IEEE 802.11 provides the Power Saving Mechanism PSM that allows nodes to remain silent in 'Doze...
- Tags: IEEE 802.11, Allocation, Springer Science+Business Media, Energy Consumption, Wireless LANs, Wi-Fi, Wireless
- White papers 2005-10-23
- Energy Cost of Coordination Algorithms for Wireless Mobile Sensor Networks
- Wireless mobile sensor networks are becoming increasingly popular. They mostly consist of low-cost mobile platforms equipped with sensors and an on-board battery. Energy consumption is therefore typically one of the main factors that need to be addressed during the deployment. Communication accounts for much of the energy expenditures in a...
- Tags: Algorithm, Mobile, Network, Sensor, Energy Consumption, Advertising & Promotion, Robots, Wireless, Marketing, Emerging Technologies
- White papers 2005-09-14
- Comparing Energy-Saving MAC Protocols for Wireless Sensor Networks
- Applications for wireless sensor networks have notably different characteristics and requirements from standard WLAN applications. Low energy consumption is the most important consideration. The low message rate that is typical for sensor network applications and the relaxed latency requirements allow for significant reductions in energy consumption of the radio. This...
- Tags: MAC, Network, Sensor, Springer Science+Business Media, Energy Consumption, Wi-Fi, Wireless
- White papers 2005-07-16
- Joint Power/Rate Optimization for CDMA-Based Wireless Sensor Networks
- This paper addresses the problem of minimizing energy consumption in a CDMA wireless sensor network WSN, where multiple sensor nodes transmit data simultaneously to a common remote sink. A comprehensive energy consumption model is proposed, which accounts for both the transmit and circuit energy. Energy consumption is minimized by jointly...
- Tags: University Of Arizona, Optimization, CDMA, Network, Sensor, Energy Consumption, Cellular Phones, Wi-Fi, Wireless, Consumer Electronics, Personal Technology
- White papers 2005-07-12
- Energy Minimization and Delay Analysis in TDMA-Based Sensor Networks
- This paper considers sensor networks where energy is a limited resource so that energy consumption must be minimized while satisfying given throughput requirements. Moreover, energy consumption must take into account both the transmission energy and the circuit processing energy for short-range communications. In this context, energy-efficient joint routing, scheduling, and...
- Tags: Network, TDMA, Sensor, Analysis, Energy Consumption, Networking, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2005-04-27
- Joint Optimization of Transmit Power-Time and Bit Energy Efficiency in CDMA Wireless Sensor Networks
- This paper addresses the problem of minimizing energy consumption in a CDMA Wireless Sensor Network WSN, where multiple sensor nodes transmit data simultaneously to a common remote sink. A comprehensive energy consumption model is proposed, which accounts for both the transmit and circuit energy. Energy consumption is minimized by jointly...
- Tags: University Of Arizona, Optimization, CDMA, Network, Sensor, Energy Consumption, Optimization Problem, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2005-04-14
- Energy Efficient Scheduler Design in Wireless Networks
- Minimizing energy consumption is crucial for portable wireless communication systems because they operate on a limited battery supply. For example, the IEEE 802.11 standard includes a mechanism called Power-Saving Mode PSM, which allows a network interface on a mobile station to enter a sleep state whenever possible to reduce its...
- Tags: Purdue University, Network, Wireless Network, Energy Consumption, Wi-Fi, Wireless
- White papers 2004-09-30
- energy consumption in Data Analysis for On-Board and Distributed Applications
- Energy consumption is an important issue in the growing number of data mining and machine learning applications for battery-powered embedded and mobile devices. It plays a critical role in determining the capabilities of a broad range of applications such as space probes with onboard scientific missions, PDA-based monitoring of remote...
- Tags: Data Analysis, University Of Maryland, Battery, Energy Consumption, Engineering, PDAs, Databases, Handhelds, Hardware, Enterprise Software, Software, Data Management
- White papers
- An Opcode Level energy consumption Model for a Java Virtual Machine
- This paper establishes a general framework for estimating the energy consumption of an embedded Java Virtual Machine JVM. The paper has designed a number of experiments to find the constant overhead of the Virtual Machine and establish an energy consumption cost for individual Java Opcodes. The results show that there...
- Tags: JVM, Energy Consumption, Programming Languages, Java, Software Development, Software/Web Development
- White papers
Additional Resources
- Verdiem spruces up its Survey PC power management software
- Verdiem, one of the better known developers of power management software that counts Hewlett-Packard, Intel and Microsoft among its close partners, has delivered an impressive upgrade to its Surveyor technology. According to the Seattle-based company, the focus was on providing IT managers with even more configuration flexibility than previously available....
- Tags: Software, Power Management, PC, Power Consumption, Survey, Verdiem, Desktops, Hardware, Heather Clancy
- Blog posts 2008-05-15
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