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Kamis, 24 Oktober 2013

New Disk May Be Able to Store Data for at Least 1M Years - infoTECH Spotlight

 
 
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WEBINAR: Unified Access Cannot Be Ignored – But Can You Afford to Do It?

Wednesday October 30, 2013
11:00 AM ET / 8:00 AM PT

We have all heard a lot about unified access. The unspoken question is, can you afford to do it? And what are the implications to do the necessary changes?

In today's new era of mobility, device and application freedom, networks are often not prepared to support the flexibility these technologies demand. Couple this with the IT team's restricted budgets, the increased operational complexity, and the security threat exposure, and we are seeing a perfect storm brewing for today's enterprise network.

With wireless use growing at double digit rates and wired access continuing to be a critical part of the enterprise infrastructure, users want the freedom and flexibility to be able to connect whether they are wired or wireless. Plus, as BYOD expands, network users want to be able to connect regardless of device type they are using. Wired and wireless have to coexist and to reach real user freedom we need to make sure all network services are seamlessly available on both networks. Users should be able to choose between corporate and personal devices and use either wired or wireless connections.

Wireless networks have greatly benefited from advances in security and technology but LANs have been left behind. How can you bring these typically siloed networks into one cohesive access network?

Attendees will learn?

  • The importance of having a unified access strategy, and the potential risks and benefits involved in transforming your network infrastructure to support this strategy

  • Important considerations in this transformation process:

    • Different network purchasing lifecycles, professional services expertise, end-to-end transformation potentially including WLAN, LAN access, LAN core and BYOD services
    • Security and operational considerations: Security on the LAN, minimizing operational tasks with BYOD services such as on-boarding, guest access, device posture, mix of personal and corporate applications
  • Best practices and recommendations that will protect your investment

Who should attend?

  • IT managers responsible for setting strategies, increasing mobility and adopting BYOD
  • CIOs looking to understand risk, benefits and a practical approach to IT Consumerization and BYOD



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October 23, 2013

New Disk May Be Able to Store Data for at Least 1M Years

Need to store data for some time in the future? Researchers are not thinking about a decade, a century or even a millennium. A new disk actually can store data for at least a million years. That’s a long time.

Developed by Jeroen de Vries at the University of Twente in The Netherlands and his fellow researchers, the team tested the disk to demonstrate it can store data for 1 million years.

In order to prove their point, they accelerated the ageing process. It was done by studying data storage, and how it is separated by an energy barrier. The relevant energy barrier is 63 KBT or 70 KBT.

“These values are well within the range of today’s technology,” de Vries was quoted by MIT Technology Review.

To test the theories, researchers heated the disks and then looked at what happened to the data. Based on a theory known as “Arrhenius law,” for a disk to last for a million years it would have to be able to be heated at 445 Kelvin for an hour. The new disks made it through that temperature. In fact, the new disks got through 848 Kelvin, though there was some loss of information at that high temperature.

The narrow, metal disks feature lines. The lines are 100nm in width. Also, the disks are made out of tungsten. Tungsten will not melt unless it is heated to 3,422 degrees C. The disks are also covered by a protective layer made out of silicon nitride (Si3N4). It is resistant to fractures...Read More



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