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Topic: Digital Data Storage

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	Digital Data Storage - Wikipedia, the free encyclopedia
		Digital Data Storage (DDS) is a format for storing and backing up computer data on magnetic tape that evolved from Digital Audio Tape (DAT) technology, which was originally created for CD-quality audio recording.
		In 1989, Sony and Hewlett Packard defined the DDS format for data storage using DAT tape cartridges.
		The data transfer rate was hoped to be around 7 MB/s.
	en.wikipedia.org /wiki/Digital_Data_Storage (372 words)

	Digital Data Storage
		The cost of digital data storage has decreased to the point where digital forms are the least expensive means to store most of the information which traditionally would have been printed or microfilmed.
		These goals were also chosen in cooperation with the major data storage companies, and their industry representatives, as the major component parts of a program to develop the research necessary for advanced data storage hardware and software for the next decade.
		For example, one new method of recovering data from a disk is called partial-response maximum-likelihood (PRML), a sampling scheme that permits disk manufacturers to dynamically calculate the probability of a given bit of data being a 'one' or a 'zero' from a sampled electrical signal from the disk head.
	www.atp.nist.gov /press/97-04dds.htm (4223 words)

	Lessons In Electric Circuits -- Volume IV (Digital) - Chapter 15
		This is not to say that digital data storage is unequivocally superior to analog, but it does address some of the more common problems associated with analog techniques and thus finds immense popularity in both consumer and industrial applications.
		The data is then retrieved from the tape by moving the magnetized tape past another coil of wire, the magnetized spots on the tape inducing voltage in that coil, reproducing the voltage waveform initially used to magnetize the tape).
		Due to the high capacity of modern data storage devices, metric prefixes are generally affixed to the unit of bytes in order to represent storage space: 1.6 Gigabytes is equal to 1.6 billion bytes, or 12.8 billion bits, of data storage capacity.
	www.ibiblio.org /obp/electricCircuits/Digital/DIGI_15.html (5428 words)

	Digital Data Storage
		The nation’s digital storage industry—maker of the tapes, disks, and other gear that have become the archives and the retrieval tools of the information age—achieved its world-leading status by doubling storage capacity about every 18 months.
		The ATP Digital Data Storage focused program concentrates on accomplishing six technical objectives, established on the basis of industry input received through white papers submitted by five individual companies and three collaborations representing more than 40 firms, which account for more than 90 percent of U.S. data storage industry revenues.
		Advances in data storage technology are important to national security and to the missions of federal agencies, including some sponsoring research in the area.
	www.atp.nist.gov /focus/dds.htm (975 words)

	Holographic data storage
		Holographic data storage is a volumetric approach which, although conceived decades ago, has made recent progress toward practicality with the appearance of lower-cost enabling technologies, significant results from longstanding research efforts, and progress in holographic recording materials.
		In the case of holographic storage, the response of the recording medium, which converts the optical interference pattern to a refractive index pattern (the hologram), is generally linear in light intensity and lacks the response threshold found in bistable storage media such as magnetic films.
		For digital data holograms, the contrast of the interference pattern between object and reference beams is lower than in the plane-wave case, and the recording conditions do not produce as large an index modulation.
	www.research.ibm.com /journal/rd/443/ashley.html (13353 words)

	Data Storage Management (Site not responding. Last check: 2007-09-05)
		If he or she is not allowed to access that data on the network, then they should not be allowed to restore the data, say, to a local hard disk, which would clearly be a breach of the security policy.
		What data migration provides is a “hierarchy” of data storage in the LAN environment, where the most active and recently used data resides on the fastest (and therefore most expensive) on-line storage.
		Data which is accessed infrequently can be moved to slower “near-line” storage media (such as optical disk or removable hard drive) - easily accessible yet with increased access times that would be unacceptable if the data were in constant use.
	www.nss.co.uk /WhitePapers/data_storage_mment/data_storage_mment.htm (12957 words)

	Breakthrough Nanotechnology Will Bring 100 Terabyte 35inch Digital Data Storage Disks
		Michael is a 30-year pioneer in the development of peripheral storage technologies and a holder of various patents.
		By using UV photons of lesser quantum energy it was possible to use diffraction and interference from the binary states of the molecule.
		There are still a lot of research and development unknowns for this new and fascinating atomic holographic optical storage, but Michael believes that he has created a revolutionary concept to keep pace with requirements of mass data storage, for the next millennium.
	www.physorg.com /news785.html (1018 words)

	FACT SHEET - ATP Program on DIGITAL DATA STORAGE
		By fostering industrial alliances, the new ATP focused program on digital data storage aims to build the springboard for that kind of ambitious leap in technological capability and marketplace performance.
		In a recent survey of the electronics industry's technology needs and priorities, conducted as part of the government-industry National Electronics Manufacturing Initiative, mass data storage was singled out as one of the key electronic-component technologies warranting increased emphasis in federal R&D efforts.
		Shared efforts concentrating on early-stage needs and obstacles can reduce overall R&D costs and accelerate the U.S. digital data storage industry's progress toward developing technologies critical to ensuring that it will be a top performer in a worldwide market projected to grow tenfold, to $1 trillion, during the next decade.
	www.nist.gov /public_affairs/releases/digital.htm (916 words)

	Digital Data Storage - TheBestLinks.com - DDS, Computer, Sony, TheBestLinks.com:Find or fix a stub, ... (Site not responding. Last check: 2007-09-05)
		Digital Data Storage - TheBestLinks.com - DDS, Computer, Sony, TheBestLinks.com:Find or fix a stub,...
		It is a format for storing computer data on a Digital Audio Tape.
		When restoring a backed-up file, the restoring software reads the directory of files located at the beginning of the tape, winds the tape to the location of the file, verifies the file, and writes the file onto the hard drive.
	www.thebestlinks.com /DDS.html (448 words)

	CISD: Data Preservation Program (Site not responding. Last check: 2007-09-05)
		In line with the trend towards electronic storage such as writable DVD and CD discs, the preservation of the electronic data in the storage media is essential.
		Storage on digital optical media has the advantage of large capacity, fast access rate and lossless information transfer however the lifetime of this storage media is limited because of chemical and physical deterioration as well as the obsolescence of the format and playback technology.
		Methods are being developed here to determine the life expectancy of various digital data storage discs as an application guideline for production and data preservation of the digital storage media.
	www.itl.nist.gov /div895/isis/datastorage.html (456 words)

	NAS RAID Server Device adds Storage Capacity to your Network
		If data flow increases to one network connection, traffic is automatically redistributed to ensure optimal network performance.
		In the unlikely event of a hard drive failure, data is protected and the manpower invested in building your digital library is preserved.
		Backed up data is maintained online and clients can access previous versions of their files through special read-only snap folders.
	www.primearray.com /flexnas_xt.htm (2079 words)

	Company News On Call
		The beta testing program is to research and develop an automated web based application to digitally store paper and electronic data to databases stored on servers for web retrieval.
		Digital Data Storage has been in the digital imaging business for four years.
		Digital Data Storage designed a new conceptual model which enables scanners, servers, and web tools to work simultaneously for data management.
	www.prnewswire.com /cgi-bin/stories.pl?ACCT=105&STORY=/www/story/05-22-2000/0001224279 (327 words)

	Digital storage solutions from Data Distributing
		Data Distributing a value added distributor of digital storage and publishing solutions.
		Widely known as a provider of digital media (optical discs, back-up tape, CD-R, and DVD-R), dry imaging film printers, and data storage for archiving, Data Distributing has evolved its product offerings to include a complete line of technologically-advanced DICOM solutions powered by some of the most well known and respected manufacturers in the industry.
		Data Distributing carries best-of-breed, Mass Digital Storage, HSM software, digital storage solutions which include: DVD/CD, media, and specific medical imaging application turnkey bundles.
	www.datadistributing.com (133 words)

	Digital Disc Data Storage: Measurement, Performance, and Preservation (Site not responding. Last check: 2007-09-05)
		This research examines reliability, interoperability, and the performance of writable optical disc storage media-particularly DVD technology-and its applications as an advanced storage platform for computing and the storage of video, pictures, and text for applications with electronic books; enterprise system storage; and high-definition television.
		Investigations will also focus on the development of new technologies for increasing storage density with minimal bit-error rates for optical discs, including blue laser disc technology as an archival and dynamic storage platform.
		The goal of this project is to develop metrics and guidelines for the storage of information on writable optical disc media, and to demonstrate increased storage using new and novel techniques.
	www4.nationalacademies.org /pga/rap.nsf/ByTitle/50.89.21.B3975?OpenDocument (169 words)

	Digital Video Surveillance Storage - CCTV Data Storage (Site not responding. Last check: 2007-09-05)
		From active real-time storage supporting a variety of video management and data-mining applications, to media archiving, we offer several solutions to accommodate optimal effectiveness.
		Having several security video storage options assures our customers that they will be able to effectively store, archive and retrieve their video images.
		Our digital video surveillance storage systems can provide a wide range of features and capabilities including disaster recovery, automated snapshots, intuitive provisioning, hardware redundancy and high availability.
	www.teamrmsi.com /digital-video-surveillance-storage.asp (196 words)

	Technology News: News: Researchers: Digital Data Drives Storage Explosion
		Forrester senior storage analyst Anders Lofgren told TechNewsWorld that the IT industry is dealing with the information onslaught through hardware and software, but is still struggling to keep all of that data manageable.
		Meta Group vice president Steve Kleynhans told TechNewsWorld that users can no longer be forced to rely on their own memory to find data on the right server, file or other storage subdivision.
		Forrester's Lofgren said that while the IT industry has embraced the storage of structured data (such as documents and reports), the handling of unstructured data (such as phone calls and messages) remains a challenge.
	www.technewsworld.com /perl/story/31981.html (801 words)

	DDS - Digital Data Storage
		The helical scan recording method winds the tape around a rotary head positioned at an oblique angle to the tape path (similar to a VCR), thereby allowing data to be recorded in diagonal stripes rather than along the horizontal length of tape.
		This approach allows for extremely high data densities when compared to conventional linear scan recording methods.
		For long-term archival storage and a low error rate, Sony DDS tapes employ a magnetic material that has outstanding magnetic transfer characteristics.
	www.issioptical.com /highlights/DDS_index.html (306 words)

	Digital Data Storage - a Whatis.com definition
		Digital Data Storage (DDS) is a format for storing and backing up computer data on tape that evolved from the Digital Audio Tape (DAT) technology.
		DDS-1: Stores up to 2 gigabytes of uncompressed data on a 120-minute cartridge.
		Find white papers, products and vendors related to Digital Data Storage.
	searchsmb.techtarget.com /gDefinition/0,294236,sid44_gci213886,00.html (385 words)

	Open Letter to the CD & Digital Data Storage Industries
		Your magazine has done a serious disservice to the data storage industries, and to consumers who are misled by this inflammatory and inaccurate reporting.
		They are being hurt financially by erroneous attacks of this kind because their customers read them and believe them since there is nothing out there to contradict them.
		Owners of data hesitate to invest in archiving when so-called experts tell them their data will not be safe if they do.
	www.cd-info.com /CDIC/Industry/news/openletter.html (728 words)

	Data Storage - Digital Instrumentation Recorder
		If you need some serious data storage capability, the DIR-1000 ID-1 Digital Instrumentation Recorder definitely fits the bill.
		This 19mm helical scan digital tape recorder conforms to the ANSI X3.175-1990 ID-1 specification, which records and reproduces at 1.3, 2, 4, 8, 16, and 32 Megabytes/sec.
		A new addition to the Sony DIR family of digital instrumentation recorders, the DIR240 12 mm Helical Scan Instrumentation Recorder is a half-inch compact model featuring high-capacity recording (250 Gigabytes/cassette) and a high data transfer rate (up to 240 Megabits/sec).
	www.tsrnet.com /pages/backup/DIR.htm (188 words)

	Virtual Data Room, digital data storage solutions, secure data storage (Site not responding. Last check: 2007-09-05)
		The virtual data room enables interested parties to view relevant material in a controlled environment without the need to establish a physical data room.
		This can be of great benefit in a merger or acquisition process where the need to bring people to the data or to distribute key documents by courier or post can hamper the due diligence process considerably.
		Micromedia provides secure, environmentally controlled storage facilities utilising the latest cataloguing and tracking software to maintain documents in perfect condition.
	www.micromediauk.co.uk /WebHost-Solutions.htm (328 words)

	MegaPixels Ltd distribute digital imaging, data storage and wireless products and services
		MegaPixels Trade strives to be a leading UK distributor of new and innovative digital imaging, data storage and data transfer products and services from manufacturers worldwide.
		PhotoClip is a pocket sized 5 in 1 camera featuring an MP3 player, digital camera and webcam, voice and movie recorder.
		Connects to cable LAN and transmits data at 11Mbps wirelessly.
	www.datamind.co.uk /merchant/trade.htm (641 words)

	Welcome to the DAT Manufacturers Group Website (Site not responding. Last check: 2007-09-05)
		Within the tape market there is a plethora of tape technologies offering data protection for small and medium businesses.
		For these customers the key question is which technology to choose.
		The answer is clear…DDS format DAT technology offers reliable, cost-effective, direct-attach backup meeting the needs of small and business customers today and for the foreseeable future.
	www.datmgm.com (222 words)

	Digital Data Storage Media Industry in Pakistan - Research and Markets - Market Research Reports
		This report is intended to provide a comprehensive and a unique outlook on the depth and breadth of the Digital Data Storage Media industry in Pakistan, with major emphasis on the business segment.
		The report includes findings of B-to-B surveys of 50 IT managers of large, small, and medium sized companies within 9 major industries where critical data is used in their operations.
		Certain sales lead were also discovered in the course of research, which shows how ripe the market is with need for data storage solutions increasing day by day.
	www.researchandmarkets.com /reports/c26410 (377 words)

	Sony, HP Halt Future Digital Data Storage Products - Computerworld
		Two of the top three vendors of Digital Data Storage (DDS) tape say they will no longer develop future lines of the popular data backup product, while the third producer said it has no "current" plans to continue its line.
		Reproduction in whole or in part in any form or medium without express written permission of Computerworld Inc. is prohibited.
		Computerworld and Computerworld.com and the respective logos are trademarks of International Data Group Inc.
	www.computerworld.com /printthis/2001/0,4814,60011,00.html (462 words)

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		You cannot lose - if you are not 100% satisfied with your purchase, we will refund in full.
	www.camcorderbatteryshop.co.uk (243 words)

	Storage
		Sun's systems approach to innovative products, technologies and methodologies allow you to manage data and ensures data is identity-enabled, data access is more affordable, data utilization and retrieval are increased.
		We invest heavily in R&D, and we work cooperatively with industry partners to bring new technologies to market, such as advanced tools for identity management, virtualization, security and data management.
		This virtual tape solution for mainframe and mid-range environments helps manage data growth while optimizing storage resources.
	www.sun.com /storage/index.jsp (242 words)

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