Windows 7



Windows 7 is the working name for the successor to the Microsoft Windows Vista operating system. The new OS, expected to be released somewhere between mid-2009 and early 2010, was previously known by the code names Blackcomb and Vienna.

The new operating system will ship in client and server versions. The client version will be available in 32-bit and 64-bit editions. The server version, also called Windows 2008, will be available only in a 64-bit edition.

Windows 7 is expected to incorporate a new version of Media Center as well as support for multiple video adapters. Other anticipated new features include:
  • Gadgets integrated into Windows Explorer
  • Improved network connections
  • Integrated XML Paper Specification (XPS) Essentials Pack
  • Enhanced Control Panel
  • Enhanced Calculator program with statistics and unit conversion capabilities
  • Ability to store Internet Explorer settings on a Windows Live account
  • Updated version of the Paint program
  • Updated version of the WordPad program
  • A new Mapping program
  • A new Virtual Piano program

Source: www.whatis.techtarget.com

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NBAR (Network Based Application Recognition)



Network Based Application Recognition (NBAR) is a mechanism that classifies and regulates bandwidth for network applications to ensure that available resources are utilized as efficiently as possible. Cisco Systems developed NBAR as part of its Content Networking platform for implementing intelligent network services.

NBAR allows network routers to recognize programs and take various actions based on that information. For example, a router might allocate all necessary bandwidth for mission-critical applications or flag low-priority, bandwidth-intensive applications for bandwidth throttling. The network administrator can view the mix of applications in use by the network at any given time and decide how much bandwidth to allow each application. (This regulation process is called bandwidth policing.)

Other capabilities of NBAR include:
  • Optimizing multiple-service performance.
  • Eliminating data-flow bottlenecks.
  • Minimizing latency.
  • Reducing or blocking spam.
  • Detecting and blocking malware.
  • Enhancing network security.
  • Easy addition of new protocols.
  • Reducing expenses and maximizing revenue.
One real-life example of NBAR in use was during the Code Red worm attacks of 2001. Most firewalls couldn't look into the HTTP data stream to identify Code Red traffic. However, implementation of NBAR made it possible to identify the suspect traffic and block access.

Source: www.whatis.techtarget.com

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Write In C

For all programmers out there who loves C programming language, this song is for you!
The melody of this song is similar to John Lenon’s “Let It Be…”

Write In C

When I find my code in tons of trouble;Friends and colleagues come to me;
Speaking words of wisdom;
Write in C;

As the deadline fast approaches;
And bugs are all that I can see;
Somewhere, someone whispers;
Write in C;

Write in C, Write in C;
Write in C, oh, Write in C;
COBOL’s dead and buried;
Write in C;

I used to write a lot of FORTRAN;
For science it worked flawlessly;
Try using it for graphics;
Write in C;

If you’ve just spent nearly 30 hours;
Debugging some assembly;
Soon you will be glad to
Write in C;

Write in C, Write in C;
Write in C, yeah, Write in C;
BASIC’s not the answer;
Write in C;

Write in C, Write in C;
Write in C, oh, Write in C;
Pascal won’t quite cut it;
Write in C;



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Softcooling

Softcooling is a software-based method of computer component cooling, conducted either by adjusting component settings or by using softcooling products. The practice reduces system heat by decreasing the power used by the CPU, graphics card and motherboard when the computer is idle or under light use.

Softcooling typically reduces component power consumption by one or a combination of three methods:
  • Undervolting: setting the processor core voltage lower than the default value specified by the manufacturer.
  • Underclocking: setting the processor speed lower than that specified by the manufacturer. (This is the opposite of overclocking.)
  • Controlling halt instructions: turning off inactive components or putting them in standby mode.
A home user might use softcooling to improve hardware function. For example, undervolting a laptop can keep it cooler and extend battery life. In a data center, softcooling can reduce power costs and help control ambient temperature. The practice can also save hardware and maintenance costs: Computer parts that overheat usually have a shorter life span and may not work reliably. Network administrators can install softcooling software on both servers and desktops. As a rule, the end user should not be aware of any reduction in computing power.

source: www.whatis.techtarget.com

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The Lighter Side of Software Development Life Cycle

Those who are designated as Software Engineers will recognize these pictures as their Software Development Life Cycle (SDLC).


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Communications-enabled Business Process

Communications-enabled business processes (CEBP) is the integration of communications capabilities into software-enabled business procedures, applications and technologies. CEBP enables communication between applications as well as between applications and humans to automate many components of business processes. The purpose is to optimize those processes and to ensure continuous, low-latency, real-time communications among the customers, suppliers and employees of an enterprise.

One of the better known CEBP vendors is Avaya Inc. of Basking Ridge, New Jersey, USA. The Avaya CEBP solution consists of a communications process manager, an event processor and software integration services:
  • The communications process manager keeps track of data exchanged by business-related systems, flagging significant events.

  • When an important or unusual event occurs, the event processor brings key players together using unified communications (UC) encompassing all available technologies such as conventional telephone, voice over IP (VoIP), cellular telephone, instant messaging (IM), texting and email.

  • Software integration ensures compatibility among all devices, systems, technologies and programs to minimize conflicts, bottlenecks and delays, allowing decision-makers to do their jobs with a minimum of distraction.


source: www.whatis.techtarget.com

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Blu-Ray


Blu-ray is an optical disc format designed to display high definition video and store large amounts of data.

Blu-ray is the successor to DVD. The standard was developed collaboratively by Hitachi, LG, Matsushita (Panasonic), Pioneer, Philips, Samsung, Sharp, Sony, and Thomson. It became the default optical disk standard for HD content and optical data storage after winning a format war with HD-DVD, the format promoted by Toshiba and NEC.

The format is called Blu-ray because of the blue laser used to read from and write to the disc. DVD players use red lasers. The blue laser has a 405 nanometer (nm) wavelength that can focus more tightly than the red laser used for DVD. As a consequence, a Blu-ray disc can store much more data in the same 12 centimeter space. Blu-ray discs will not play on current CD and DVD players, as the players lack the laser required to read the discs. Blu-ray players equipped with multiple laser heads can play CDs and DVDs. Like the rewritable DVD formats, Blu-ray uses phase change technology to enable repeated writing to the disc.

Blu-ray disks have a standard capacity of 27 gigabyte (GB) single-sided capacity and 50 GB on dual-layer discs. Single-sided Blu-ray discs can store up to 13 hours of standard video data, compared to single-sided DVD's 133 minutes Blu-ray also features data streams at 36 megabytes per second (Mbps), fast enough for high quality video recording. In July 2008, Pioneer announced that they had found a way to increase capacity to 500 GB by creating 20-layer discs. These discs are not, however, expected to be commercially available in the near future.

Blu-ray disc players (BDPs) are available from a number of manufacturers, including Panasonic, Pioneer, Samsung and Sony. Sony's Playstation 3 also has a Blu-ray drive installed.

source: www.whatis.techtarget.com

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P4P


P4P (proactive provider participation for P2P) is a protocol designed to improve the use of available bandwidth in a P2P network by reducing the overall volume of traffic. The term P2P (peer-to-peer) refers to any transient network on the Internet that allows a geographically dispersed group of end users to directly access files from each other's computers. P4P differs from the traditional P2P protocol by intelligently selecting peers to optimize routing efficiency.

Originally, P2P technology was used for simple file sharing such as text and images. However, in recent years, more bandwidth-hungry applications have evolved such as streaming media, Internet television, full-motion videoconference activity and online gaming. The extensive use of these applications has given rise among some experts to a concern that the Internet might "break under the strain." A major part of the problem is a tendency for traffic among routers to be unevenly distributed, resulting in inefficient routing with unnecessary hops between end users.

P4P minimizes the number of routers and hops involved in media distribution by means of devices called peer trackers and Internet trackers. When a peer has data to send, it queries the peer tracker for available peers in the local network. The peer tracker returns the information, if any is available, to the sending peer. If no local peers are available, the peer tracker queries the Internet tracker for available peers on the larger Internet. The Internet tracker returns a list of active peers to the peer tracker, which in turn provides the information to the original initiating peer. In effect, P4P does "proactive research" to determine the most efficient possible way for data to be routed between end users before any data is actually exchanged.

P4P technology, originally introduced by Verizon, has been shown to increase performance by as much as several hundred percent over traditional P2P. The extent of the improvement in any particular situation depends on the nature of the data to be shared, the overall volume of traffic, the number of routers involved, the available bandwidth and the network topology.

Source: http://whatis.techtarget.com

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