Google I/O: How to build battery-efficient apps
At the Google I/O conference, developer Ilya Grigorik gave some advice on how to optimise mobile applications for the maximum energy efficiency and gave an overview of how various mobile radio networks interact with web protocols
advice
applications
conference
efficiency
google
grigorik
ilya
Google I/O: How to build battery-efficient apps
At the Google I/O conference, developer Ilya Grigorik gave some advice on how to optimise mobile applications for the maximum energy efficiency and gave an overview of how various mobile radio networks interact with web protocols
advice
applications
conference
efficiency
google
grigorik
ilya
Acrobotics Wants To Kickstart Smarter Cities With Its Smart Citizen Environment Sensors
There's plenty of buzz about the concept of making our cities "smarter" -- that is, loading them up with sensors and data-driven services to improve efficiency and quality of life. Hell, even Google has taken to loading up its event venues with scores of sensors. Most of the discussion out there deals with how local governments are working toward this lofty, nebulous goal, but a team called Acrobotics Industries is trying to put with onus on the citizens themselves. To that end the team has kicked off a $50,000 Kickstarter campaign for a small sensor array called the Smart Citizen kit in hopes that people will start collecting and sharing their environmental data with the world.
acrobotics
discussion
efficiency
environment
google
government
kickstarter
quality
service
Data Center Managers Weary of Whittling Cooling Costs
Nerval's Lobster writes that a survey from the Uptime Institute "suggests something it calls 'green fatigue' is setting in when it comes to making data centers greener. 'Green fatigue' is exactly as it sounds: managers are getting tired of the increasingly difficult race to chop their PUE, or Power Usage Effectiveness. The PUE is a measure of a data center's efficiency. The lower the PUE, the better — and Microsoft and Google, with nearly limitless resources, have set the bar so high (or low, depending on your perspective) that it's making less-capitalized firms frustrated. Just a few years ago, the Uptime Institute estimated that the average PUE of a data center was around 2.4, which meant for every dollar of electricity to power a data center, $1.4 dollars were spent to cool it. That dropped to 1.8 recently, an improvement to be sure. But then you have companies such as Google and Microsoft building data centers next to rivers for cheap hydroelectric power in remote parts of the Pacific ...
center
effectiveness
efficiency
electricity
google
green
improvements
institute
lobster
microsoft
nerval
north america
pacific
pue
pues
A Peek At Google's Software-Defined Network
CowboyRobot writes "At the recent 2013 Open Networking Summit, Google Distinguished Engineer Amin Vahdat presented 'SDN@Google: Why and How', in which he described Google's 'B4' SDN network, one of the few actual implementations of software-defined networking. Google has deployed sets of Network Controller Servers (NCSs) alongside the switches, which run an OpenFlow agent with a 'thin level of control with all of the real smarts running on a set of controllers on an external server but still co-located.' By using SDN, Google hopes to increase efficiency and reduce cost. Unlike computation and storage, which benefit from an economy of scale, Google's network is getting much more expensive each year."
amin
computation
cowboyrobot
efficiency
google
implementation
ncss
openflow
sdn
unlike
vahdat