Monday, February 12, 2007

Intel said to have Extreme-brand laptop CPU in the pipeline

By Tony Smith [More by this author]

Intel is said to be preparing a pair of dual-core Core 2 Extreme processors specifically developed for gamer-friendly notebooks, the first coming in Q2/Q3, the second arriving as a follow-up in Q4.

So claim Taiwanese motherboard-maker moles cited by Chinese-language site HKEPC. Codenamed 'Merom XE', the two 65nm parts will contain the usual 4MB of shared L2 cache and operate over an 800MHz frontside bus. The first of the two, the Core 2 Extreme X7800 will be clocked at 2.6GHz, it's claimed; the second, the X7900, will run at 2.8GHz.

Both processors are said to support SpeedStep, Virtualisation Technology and 64-bit addressing. At this stage, it's not known how much power the chips consume.

The sources alleged the X7800 will be priced at $795 when it ships late Q2/early Q3. The X7900's price is unknown.

Intel shows off Penryn chips

By Tom Krazit, CNET News.com
Intel says its 45-nanometer chips are almost ready for prime time.

The company demonstrated PCs and servers running its upcoming Penryn family of chips this week during a briefing for the press and analysts on its new transistor design for the 45-nanometer generation. Penryn is the code name for a family of desktop, notebook and server chips based on Intel's Core microarchitecture, and systems with the chips will be available before the end of this year, said CEO Paul Otellini at the event.

Penryn chips will come with the SSE4 instructions Intel announced at the Intel Developer Forum in September, said Stephen Smith, vice president and director of desktop platform operations. Smith called the new instructions "the biggest change to our instruction set in about five years," and said they improve the performance of multimedia applications and technical computing.

The Penryn chips are the first iteration of the new manufacturing strategy outlined by Otellini earlier this year. Intel wants to introduce new chip microarchitectures and manufacturing technologies on a regular two-year cadence, which the company refers to as the "tick-tock" strategy.

Penryn is essentially a shrink of the Core 2 Duo chips, with a few extras like the SSE4 instructions. It's being introduced along with the new manufacturing technology, the "tick" of Intel's plans. Then next year, when the 45-nanometer manufacturing technology is mature, Intel will introduce a new chip microarchitecture code-named Nehalem--the "tock"--with more significant changes to the chip design.

The rapid cadence is designed to ensure Intel won't get fooled again. Advanced Micro Devices caught Intel off guard earlier this decade, introducing a new chip architecture that represented a significant improvement in performance and power efficiency over Intel's chips at the time. Intel would like to avoid having to scrap years of planning again, so it is making smaller changes to its chip blueprints on a more frequent basis to keep up with the times.

The tide has started to turn back in Intel's favor with the Core 2 Duo chips. But one area where Intel has never fallen behind AMD is chip manufacturing.

Intel has been shipping chips based on its 65-nanometer manufacturing technology since late 2005, while AMD just last month introduced its first 65-nanometer chips. If Intel successfully introduces the Penryn family, it will have 45-nanometer chips out well before AMD's planned 2008 rollout of similar chips.

Smaller transistors have lots of benefits. Chip makers can improve performance by putting more transistors on the same size chip and dial-down power consumption by getting more work done. There's an economic upside as well, in that the chips themselves can be made smaller. This allows Intel and AMD to cut more chips from a single silicon wafer, reducing the cost to build an individual chip and making investors happy with fatter profit margins.

AMD has outlined plans to try to catch up to Intel, vowing to introduce its own 45-nanometer chips 18 months after its 65-nanometer chips, instead of the usual two years. Intel's Penryn demonstration puts additional pressure on that transition.

Sunday, February 11, 2007

Intel shows off 80-core processor


By Tom Krazit Staff Writer, CNET News.com

Intel has built its 80-core processor as part of a research project, but don't expect it to boost your Doom score just yet.
Chief Technical Officer Justin Rattner demonstrated the processor in San Francisco last week for a group of reporters, and the company will present a paper on the project during the International Solid State Circuits Conference in the city this week.
The chip is capable of producing 1 trillion floating-point operations per second, known as a teraflop. That's a level of performance that required 2,500 square feet of large computers a decade ago.
Intel first disclosed it had built a prototype 80-core processor during last fall's Intel Developer Forum, when CEO Paul Otellini promised to deliver the chip within five years. The company's researchers have several hurdles to overcome before PCs and servers come with 80-core processors--such as how to connect the chip to memory and how to teach software developers to write programs for it--but the research chip is an important step, Rattner said.
A company called ClearSpeed has put 96 cores on a single chip. ClearSpeed's chips are used as co-processors with supercomputers that require a powerful chip for a very specific purpose.
Intel's research chip has 80 cores, or "tiles," Rattner said. Each tile has a computing element and a router, allowing it to crunch data individually and transport that data to neighboring tiles.
Intel used 100 million transistors on the chip, which measures 275 millimeters squared. By comparison, its Core 2 Duo chip uses 291 million transistors and measures 143 millimeters squared. The chip was built using Intel's 65-nanometer manufacturing technology, but any likely product based on the design would probably use a future process based on smaller transistors. A chip the size of the current research chip is likely too large for cost-effective manufacturing.
The computing elements are very basic and do not use the x86 instruction set used by Intel and Advanced Micro Devices' chips, which means Windows Vista can't be run on the research chip. Instead, the chip uses a VLIW (very long instruction word) architecture, a simpler approach to computing than the x86 instruction set.
There's also no way at present to connect this chip to memory. Intel is working on a stacked memory chip that it could place on top of the research chip, and it's talking to memory companies about next-generation designs for memory chips, Rattner said.
Intel's researchers will then have to figure out how to create general-purpose processing cores that can handle the wide variety of applications in the world. The company is still looking at a five-year timeframe for product delivery, Rattner said.

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But the primary challenge for an 80-core chip will be figuring out how to write software that can take advantage of all that horsepower. The PC software community is just starting to get its hands around multicore programming, although its server counterparts are a little further ahead. Still, Microsoft, Apple and the Linux community have a long way to go before they'll be able to effectively utilize 80 individual processing units with their PC operating systems.
"The operating system has the most control over the CPU, and it's got to change," said Jim McGregor, an analyst at In-Stat. "It has to be more intelligent about breaking things up," he said, referring to how tasks are divided among multiple processing cores.
"I think we're sort of all moving forward here together," Rattner said. "As the core count grows and people get the skills to use them effectively, these applications will come." Intel hopes to make it easier by training its army of software developers on creating tools and libraries, he said.
Intel demonstrated the chip running an application created for solving differential equations. At 3.16GHz and with 0.95 volts applied to the processor, it can hit 1 teraflop of performance while consuming 62 watts of power. Intel constructed a special motherboard and cooling system for the demonstration in a San Francisco hotel.

Java 2007: The year in preview

Open source Java programming means developers are driving -- but where to?
06 Feb 2007
2007 will go down in history as the year Sun Microsystems gave up the reins of the Java™ platform, releasing it under an open source license to the Java developer community. In this article, Java developer Elliotte Rusty Harold predicts new directions for the Java platform, in everything from scripting to bug fixing to new syntax.
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2006 was another boom year for the Java platform. The Java language retained its title as the world's most used programming language, despite an onslaught of competition from both Microsoft (C#) and the scripting community (Ruby). And, while the release of Java 6 would have been cause enough for celebration, that paled in comparison to the announcement that Java was going to go fully open source under the GNU General Public License. Can the momentum continue in 2007? Let's consider the odds.
The Java platform goes open source
Before 2007 is half up, Sun will release the Java Development Kit (JDK) under an open source license. Freeing the JDK is a huge step for the Java developer community, and it will drive the evolution of the Java platform for the next decade.
Expect the quality of the JDK to improve dramatically as programmers stop merely reporting bugs and start fixing them. Bug reports at the Java Developer Connection will include detailed analysis of what's broken in the JDK and provide patches for fixing it. As Linus's Law states, "Given enough eyeballs, all bugs are shallow." That is, debugging is parallelizable. The same is true of optimization. Open source makes both massively parallelizable.
Forks in the road
Unfortunately, design is not as parallelizable as debugging and optimization. A clean API occasionally requires a dictatorial hand. The downside of dictators, however, is that sometimes they know what they're doing and sometimes they don't. Competition among would-be dictators is often the only way to discover the best solution to a problem.
Few companies can afford to develop multiple independent implementations of a product with the goal of throwing all but one away, but the open source community thrives on that sort of thing. So look for forks at all levels of the Java platform: language, virtual machine, and libraries. Most of these will fail, but that's okay. The good ideas will rise to the top. Some will take on a life of their own, and some will be merged back into the standard JDK. It probably won't be obvious by this time next year which are which, but the process should be well underway.
Sun will get the ball rolling in a few months by releasing an early beta of Java 7, Dolphin. The company can't release earlier versions of the JDK because of build problems and license encumbrances that are only cured in Dolphin. However, look for third parties to start chopping pieces out of the Sun release to produce passable, open source implementations of Java 6, Java 5, Java 1.4, and maybe even earlier versions.
Some of these early forkers will probably run afoul of Sun's trademarks and get nasty letters from the company's lawyers. We'll need a generic, untrademarked name for the language that everyone can use. I propose "J" -- hopefully no one can trademark a single letter.
Open source projects never die, they just fade away. Like the Blackdown Project before them, GNU Classpath, Kaffe, and other open source JDK projects are going to see their developers move on to other things. If a project hasn't reached 1.0 yet, it is unlikely to do so in the future.

RSA: Microsoft says Vista follow-up likely in 2009

February 09, 2007 (IDG News Service) -- With Vista just out the door, Microsoft Corp. is now drawing up plans to deliver its follow-up client operating system by the end of 2009, according to the executive in charge of building the product's core components.
That would be a much faster turnaround than Vista, which shipped more than five years after Windows XP, but Vista was exceptional, said Ben Fathi, corporate vice president of development in Microsoft's Windows core operating system division, who spoke this week at the RSA Conference 2007 in San Francisco.
Microsoft originally planned for its XP follow-up to include several radical changes to Windows, including a new file system and a reinvented user interface, but after the company's products were hit by widespread worm outbreaks in 2003, Microsoft redirected almost its entire engineering effort to locking down Windows with the XP Service Pack 2 release.
"We put Longhorn on the back burner for a while," Fathi said. "Then, when we came back to it, we realized that there were incremental things that we wanted to do, and significant improvements that we wanted to make in Vista that we couldn't deliver in one release."
Vista shipped about two and a half years after XP SP 2, and Vista's follow-up is expected to take about the same amount of time, according to Fathi. "You can think roughly two, two and a half years is a reasonable time frame that our partners can depend on and can work with," he said. "That's a good time frame for refresh."
That timeline would put Microsoft's next client operating system out by the end of 2009.
Last year, Microsoft said that the code name for this Vista follow-up is Vienna, but Fathi said he could not disclose the current name. "We've been told not to use it publicly," he said.
So what will be the coolest new feature in Vienna?
According to Fathi, that's still being worked out. "We're going to look at a fundamental piece of enabling technology. Maybe its hypervisors, I don't know what it is," he said. "Maybe, it's a new user interface paradigm for consumers."
"It's too early for me to talk about it," he added. "But over the next few months I think you're going to start hearing more and more."

Dell Laptop Burned Down My House


Dan writes is to let us know that a Dell Laptop was the most probable cause of a fire that destroyed his home. We must say he seems in good spirits about it, all things considered:
On Monday morning I was heading to work like any other day.. little did I know that my home was being consumed by a raging fire. I arrived my desk to find that the phone was ringing - I needed to come home immediately was the message.
When I arrived home the entire street was blocked with fire and rescue crews. My 130 year old former farm house was engulfed in flames, with thick dark smoke pouring out of the windows and roof. Over 60 firefighters from 4 departments fought the blaze and battled equipment failures due to the near zero degree weather.
Hours later, after investigation the fire Marshall investigator took me aside asked me if I had a laptop computer. Yes -- I told him I had a Dell Inspiron 1200...
It was determined that the laptop, battery, or cord malfunctioned around 15 minutes after I left for work, and quickly spread through the living room, the nearby dining room, and then up a stairwell into the bedrooms. Virtually the entire house suffered extensive fire, smoke, or water damage. The cold weather ensured that water quickly turned to ice which has further burdened and damaged the structure. All of our possessions have been lost - photos, keepsakes, clothes --everything. It looks like the house will be a total loss.Dan is asking for our help contacting Dell, as they've been unresponsive to his queries:
" I have tried to call Dell to at least notify them of my problems, but each time I have called I get transferred into an endless loop of "Joe" or "Alan" all speaking a delectable version of English I presume emanates from Bangalore. I have been outright hung up on each time I get someone who speaks a reasonable version of English, or sounds like they might be in charge of something. Promises of call backs have gone, of course, unreturned.
Maybe you can help notify them. Or maybe pass along my new motto for Dell--
"Dude, you're getting a burned down house!"Ouch, this is so horrible. We suppose you could try emailing Dell's Customer Advocate, Marie at:Email: Customer_Advocate [at] dell [dot] com. Any suggestions from the rest of you? —MEGHANN MARCO
Dan Writes: Dear Consumerist:
I've been a reader of your site for sometime. When the recentproblems began with laptop batteries I read about it atconsumerist.com. I own two Dell laptops -- one for my wife and onefor myself -- so I immediately checked out the model numbers andbatteries against dells website designed for the purpose.
On Monday morning I was heading to work like any other day.. littledid I know that my home was being consumed by a raging fire. Iarrived my desk to find that the phone was ringing - I needed to comehome immediately was the message.
When I arrived home the entire street was blocked with fire and rescuecrews. My 130 year old former farm house was engulfed in flames, withthick dark smoke pouring out of the windows and roof. Over 60firefighters from 4 departments fought the blaze and battled equipmentfailures due to the near zero degree weather.
Hours later, after investigation the fire Marshall investigator tookme aside asked me if I had a laptop computer. Yes -- I told him I hada Dell Inspiron 1200. I had used it briefly while waiting for my carto warm up. My wife had also used it to check her email and newsbefore she left for work and to drop our 18-month old daughter off towork. I had left the laptop in sleep mode with the lid closed on theedge of the sofa in the living room.
It was determined that the laptop, battery, or cord malfunctionedaround 15 minutes after I left for work, and quickly spread throughthe living room, the nearby dining room, and then up a stairwell intothe bedrooms. Virtually the entire house suffered extensive fire,smoke, or water damage. The cold weather ensured that water quicklyturned to ice which has further burdened and damaged the structure.All of our possessions have been lost - photos, keepsakes, clothes --everything. It looks like the house will be a total loss.
Since the incident my homeowners company has been very interested inthe information about the laptop. I have tried to call Dell to atleast notify them of my problems, but each time I have called I gettransferred into an endless loop of "Joe" or "Alan" all speaking adelectable version of English I presume emanates from Bangalore. Ihave been outright hung up on each time I get someone who speaks areasonable version of English, or sounds like they might be in chargeof something. Promises of call backs have gone, of course, unreturned.
Maybe you can help notify them. Or maybe pass along my new motto for Dell--
"Dude, you're getting a burned down house!"
--dan

Saturday, February 10, 2007

PRESS RELEASE: HP's Redesigned Ink, Toner Packaging to Reduce Greenhouse Gas Emissions by 37 Million Pounds in 2007

PALO ALTO, Calif., Feb. 8, 2007 -- HP today announced that its redesigned print cartridge packaging for North America will reduce greenhouse gas emissions by an estimated 37 million pounds in 2007, the equivalent of taking 3,600 cars off the road for one year.(1)

The emissions savings are the result of smaller, lighter packages that both reduce the total carbon footprint of each cartridge and the truck and freighter transportation traffic required to ship them. Newer packaging also contains more recyclable and recycled content.

"What I see here is smart design," said Greg Norris, Ph.D., environmental life cycle assessment instructor at Harvard University and creator of the Earthster project (http://www.earthster.org/), an open source software platform designed to make opportunities for sustainable production and purchasing globally accessible. "The changes all go in the right direction environmentally and all in ways that make economic sense to HP and its customers. More power to these designers."

For retailers, the new packaging is also expected to save significant transportation and storage costs while freeing up valuable display space.

"Innovation at HP goes beyond just product design," said Pradeep Jotwani, senior vice president, Supplies, Imaging and Printing Group, HP. "Developing environmentally responsible packaging is not only valued by HP, our customers and our partners -- it's also good business."

Environmental Benefits

HP estimates its redesigned print cartridge packaging will eliminate the use of nearly 15 million pounds of materials, including 3 million pounds of corrugated cardboard in 2007.(1) The packaging also will eliminate the use of more than 6.8 million pounds of polyvinyl chloride (PVC) plastic through material reduction and substitution of recycled content plastic and paperboard.(2)

HP inkjet cartridge multipacks, for example, are now made with recycled content paperboard instead of PVC. In fact, since 2003, HP has reduced overall package weight for inkjet cartridge multipacks by 80 percent and quadrupled the number of packages that can be carried in a single truckload.

Additionally, HP inkjet cartridge photo value packs are now packaged completely in recycled paperboard instead of PVC plastic. Also, PVC has been replaced by recycled plastic (PET-RPETG) in HP inkjet cartridge tripack packaging sold in club stores.(3)

New HP LaserJet toner cartridge packaging uses 45 percent less packaging material by weight. The more compact package also contains an innovative multi-chamber air bag that protects the cartridge from transport damage, dust, moisture and light. The smaller boxes can be shipped 30 percent more efficiently -- a standard shipping pallet holds 203 cartridges instead of the previous 144.

Overall, the more efficient packaging is expected to reduce truck traffic in the United States and Canada by an estimated 1.5 million miles in 2007.(4)

Retail Benefits

Retailers also should realize savings in shelf space from the new packaging. Front-facing surface area for multipacks has been reduced by 80 percent.(5) New HP inkjet cartridge tripacks sold at club stores can be stacked three-high on shelves, as opposed to two-high in the past. And new HP LaserJet toner cartridge packaging offers retailers more than 30 percent shelf space savings.

"Environmental considerations are key to Office Depot's business," said Yalmaz Siddiqui, environmental strategy advisor, Office Depot. "We are pleased to see a manufacturer like HP make changes that are in step with our environmental objectives and can also benefit our business goals."

More information on HP's environmental programs is available at http://www.hp.com/go/environment.

Footnotes

(1) Estimates are based on projected 2007 print cartridge sales in the United States and Canada. Global warming gas (carbon dioxide equivalents) emissions reductions calculated based on anticipated 2007 sales, using packaging configurations before and after recent improvements. Environmental impacts modeled with SimaPro 7 (PRe Consultants, The Netherlands, 2006) lifecycle inventory software. Carbon equivalency factors from Intergovernmental Panel on Climate Change. Calculations from http://www.usctcgateway.net/tool/.

(2) Estimated reductions compare current to prior packaging designs, using anticipated 2007 sales.

(3) The term "tripacks" is used here to describe club store packages, most but not all of which contain three cartridges.

(4) Based on anticipated 2007 sales, shipping in full truckloads, 1,000 mile average trip distance from distribution centers in California and Virginia.

(5) Inkjet retail multipack example (display width x height): current dimensions: 4.8 inches x 6.4 inches; previous dimensions: 10.7 inches x 13.4 inches.

WebLogic Server 10 Passes Java EE 5 CTS

Posted by: Patrick Linskey on ?????????? 09, 2007 DIGG
BEA's WebLogic Server 10 Technology Preview is now certified against the Java EE 5 CTS. This is an important milestone on the pathway to the WebLogic Server 10 general availability release in March.

WebLogic Server 10 supports the full Java EE 5 specification, and includes strong Web Services interoperability capabilities.

This release introduces a new filtering classloading mechanism that lets developers use jar versions that conflict with classes used inside the server, and ships with Kodo 4.1 (and thus OpenJPA) as the default JPA persistence provider. WebLogic Server 10 also improves on the deployment capabilities of the server, such as the WLST recorder and improvements to side-by-side deployment. For a more comprehensive list of new features, see the release notes.

The upgrade from WebLogic 9.x should be straightforward. We have taken steps to ensure that the code paths of old component types (such as EJB2 beans) are largely unchanged, to minimize any potential upgrade surprises.

Linux Format magazine archives

Here you can find a list of LXF issues and their contents, with a growing archive of PDFs (currently from issue 76 and earlier - see underlined links). You'll find a writer key at the end. Sign up for our Newsletters to get early access to new PDFs! Also see this page to get back issues of the magazine. For a list of recent LXF DVD contents, see here.

Warner insists on copy protection

Warner Music has rejected a suggestion from Apple boss Steve Jobs that record companies should remove copy protection software from digital music downloads.
Its boss Edgar Bronfman, said Mr Job's proposal was "without logic and merit".

At present, most download sites, including Apple's iTunes store, use such software to limit the number of machines on which songs can be played.

Mr Jobs said this week that Digital Rights Management systems had not ended piracy and so should be removed.

'Best alternative'

In an open letter, the Apple boss added that removing such software would also allow greater usability for customers, as any online music store would be able to sell songs that would work on all players.

"This is clearly the best alternative for consumers, and Apple would embrace it in a heartbeat." said Mr Jobs.

Yet Warner Music, the world's fourth largest record company, is far from convinced.

It is home to artists including Madonna and Green Day.

More People Can Sign up for a Gmail Account

Although Google posted in Gmail's help that "anyone in the world is now welcome to create a Gmail account at mail.google.com/mail/signup", Google's definition of the world was pretty limited.

Friday, February 9, 2007

Hackers Attack Key Net Traffic Computers

By TED BRIDIS
Associated Press Writer

WASHINGTON (AP) -- Hackers briefly overwhelmed at least three of the 13 computers that help manage global computer traffic Tuesday in one of the most significant attacks against the Internet since 2002.

Experts said the unusually powerful attacks lasted as long as 12 hours but passed largely unnoticed by most computer users, a testament to the resiliency of the Internet. Behind the scenes, computer scientists worldwide raced to cope with enormous volumes of data that threatened to saturate some of the Internet's most vital pipelines.

The Homeland Security Department confirmed it was monitoring what it called "anomalous" Internet traffic.

"There is no credible intelligence to suggest an imminent threat to the homeland or our computing systems at this time," the department said in a statement.

The motive for the attacks was unclear, said Duane Wessels, a researcher at the Cooperative Association for Internet Data Analysis at the San Diego Supercomputing Center. "Maybe to show off or just be disruptive; it doesn't seem to be extortion or anything like that," Wessels said.

Other experts said the hackers appeared to disguise their origin, but vast amounts of rogue data in the attacks were traced to South Korea.

The attacks appeared to target UltraDNS, the company that operates servers managing traffic for Web sites ending in "org" and some other suffixes, experts said. Officials with NeuStar Inc., which owns UltraDNS, confirmed only that it had observed an unusual increase in traffic.

Among the targeted "root" servers that manage global Internet traffic were ones operated by the Defense Department and the Internet's primary oversight body.

"There was what appears to be some form of attack during the night hours here in California and into the morning," said John Crain, chief technical officer for the Internet Corporation for Assigned Names and Numbers. He said the attack was continuing and so was the hunt for its origin.

"I don't think anybody has the full picture," Crain said. "We're looking at the data."

Crain said Tuesday's attack was less serious than attacks against the same 13 "root" servers in October 2002 because technology innovations in recent years have increasingly distributed their workloads to other computers around the globe.

Microsoft sticks with Hotmail name

After months of planning to kill off the Hotmail name, Microsoft has decided to keep the venerable brand, as it works to overhaul its free Web e-mail service.

Microsoft said on Thursday that the revamped service, still in beta testing phase, is being renamed "Windows Live Hotmail" rather than the originally planned "Windows Live Mail." In a blog posting, Senior Product Manager Richard Sim said some people had found the name change confusing.

"As we prepare to launch the final version of our new Web mail service, we recognize the importance of ensuring that our 260-plus million existing customers come over to the new service smoothly and without confusion," Sim said. "By adopting the name 'Windows Live Hotmail,' we believe we're bringing together the best of both worlds--new and old. We're able to offer the great new technology that Windows Live has to offer, while also bringing the emotional connection many existing and loyal users have with Hotmail."

The move is the latest in a series of shifts designed to make the revamped service more friendly to existing Hotmail users.

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Microsoft had planned to go with an all-new interface that bears more similarity to the company's Outlook software for business users than to Hotmail. The company has added a number of familiar elements back into the revamped service, such as check boxes for marking which messages to delete. In addition, Microsoft has added a classic view that looks even more like the old Hotmail.

More recently, Microsoft has decided to make that classic view the default, meaning those who want the revamped service will have to actively choose it.

Microsoft had always planned to allow existing users to keep their Hotmail.com e-mail addresses. When Windows Live Hotmail launches later this year, customers establishing new accounts will be able to choose between having a Hotmail.com or a Live.com address.

The move to the new mail service is part of the company's most significant overhaul of Hotmail, which it acquired in 1998. The service has maintained a loyal user base, but many new Web mail users opt for rival services from Yahoo and Google.

Microsoft had initially hoped to have a final version of Windows Live Mail out last year. So far, however, the service has remained in beta everywhere except the Netherlands, where it launched in November. The latest test version, M9, was released earlier this week.

Thursday, February 8, 2007

DNS : Domain Name System

Butnowz :Domain Name System...

The domain name system (DNS) stores and associates many types of information with domain names, but most importantly, it translates domain names (computer hostnames) to IP addresses. It also lists mail exchange servers accepting e-mail for each domain. In providing a worldwide keyword-based redirection service, DNS is an essential component of contemporary Internet use.

Useful for several reasons, the DNS pre-eminently makes it possible to attach easy-to-remember domain names (such as "wikipedia.org") to hard-to-remember IP addresses (such as 66.230.200.100). People take advantage of this when they recite URLs and e-mail addresses. In a subsidiary function, the domain name system makes it possible for people to assign authoritative names without needing to communicate with a central registrar each time.