Google Releases Study Green Computing

According to experts, Google asked programmers on GitHub to build an operating system for them, called Fuchsia. While the search engine company is keeping most of the information to itself, their page accepted that their goal is to create a new and unique operating system, further stating “something as pink plus purple equals Fuchsia.”


The market share for Google’s operating system is huge. Almost all smart technology utilizes the Android operating systems, which is included in the smartphones, TV sets, digital recording boxes, smart watches, along with Chrome OS for personal computers. These devices we use in our homes today are built on Linux.

Powering an Email System

When a user checks their email, energy is consumed in three places:

1. The client: The PC, laptop, phone or other device directly accessing email is called the client. It’s using electricity as it fetches and displays email.

2. The network: Wireless routers, network switches and all the intervening networking equipment between the client and the email server use electricity. In a small office, a wireless router may be the only network device involved. In a larger enterprise, networking equipment could involve dozens of devices spanning continents.

3. The server: The computer or group of computers receiving, sending and storing email is called the email server. This machine or group of machines is constantly on and consuming electricity.
Although switching from a locally hosted email system to a cloud-based email system can affect the energy usage of all three, it primarily affects

 The server level energy usage.1

This paper examines server energy only.Servers in locally hosted email systems are often underutilized and installed in facilities that aren’t optimized for energy efficiency. Servers in cloud-based
email systems are located in large, efficient data centers which can provision more servers as needed. A cloud-based email system saves considerable amounts of per-user energy costs once provisioning email servers, providing redundancy, and cooling costs are taken into account.

Provisioning Email Servers

An email server is a computer that sends outgoing messages to the
external network and stores incoming messages until a user downloads or deletes them. Servers can be very large, powerful machines for handling many simultaneous users or smaller machines for handling only a few.Consider three typical businesses that choose to host their mail


hypothetical server requirements2 :
Business Size Email Users Server Requirements
Small 50 A single, mid-range multi-core server with local disk
that can serve 3003
users and draws 2004

Watts.Medium 500 A single, large, many core server with combinations of local and network storage, which can host 1,000 users and which draws 450 Watts. 5 Large 10,000 Several, large, many-core servers with combinations of local and network storage which can host 1,000 users
and draws 450 Watts.

The small organization is at a distinct disadvantage, having to purchasea server that can host 300 users when it only needs capacity for 50. An organization can’t purchase and power half a server if that’s all they need.Moreover, the energy consumption of a fully-utilized server is not much higher than a partly-utilized one.

Redundancy and Reliability

A modern day business relies on email server of this efficiency in scale by providing servers for millions of users—maximizing the utilization of machines while cutting down on the total number of servers required. The result is fewer machines and less energy over all. For example, Google has developed Gmail for Google Apps, a cloud-based email service used by over 4 million organizations, small and large. Gmail is constantly improving as we integrate new efficiency improvements, develop ways of streamlining our operations, and, of course, increase capabilities.

Software developers, hardware designers and data center technicians have a unified goal of optimizing Google services to use as few resources as possible. This is quite distinct from the usual software and server model, where software developers from one company have to develop an email server that will work on wide range of hardware developed by other companies. At Google, we can optimize across boundaries that are not accessible in a
traditional software or hardware development environment.

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