Extremely Reliable Operating System

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Topic: Extremely Reliable Operating System

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In the News (Mon 28 Dec 09)

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	NSF Ethics and Computing Workshop
		The purpose of this assignment is to interpret and analyze the need for extremely reliable (faultless) software in life-critical situations, using the MIM-104 Patriot Tactical Air Defense Missile System with its computer-controlled real-time operating system as an example.
		Real-Time Operating Systems: The Patriot Missile System Failure (ATTACHED)
		The case is of particular interest because of the high success rate initially attributed to the patriot missiles during the Gulf War, the subsequent "Activities of the House Committee on Government Operations", and the role of the program’s prime contractor, the Raytheon Company.
	www.cse.nd.edu /~kwb/nsf-ufe/safety-baalman.html (599 words)

	Charles Babbage Institute: RESEARCH PROGRAM> Current research
		EROS (Extremely Reliable Operating System) (qv) is a late 1990s derivative that runs on Intel processors.
		Jonathan S. Shapiro, Jonathan M. Smith, and David J. Farber, “EROS: A Fast Capability System,” in 17th ACM Symposium on Operating System Principles (SOSP '99), Charleston, South Carolina (New York: Association of Computing Machinery, December 1999).
		If a system outage occurs, the system restarts from the last checkpoint with all data and processes in a consistent state as of that checkpoint.
	www.cbi.umn.edu /shp/entries/keykos.html (430 words)

	The MINIX 3 Operating System
		MINIX 3 is a new open-source operating system designed to be highly reliable, flexible, and secure.
		MINIX 1 and 2 were intended as teaching tools; MINIX 3 adds the new goal of being usable as a serious system on resource-limited and embedded computers and for applications requiring high reliability.
		This new OS is extremely small, with the part that runs in kernel mode under 4000 lines of executable code.
	www.minix3.org (405 words)

	Reliability
		Also, an operating system may be extremely reliable at one kind of task and extremely unreliable at another.
		Even among operating systems where reliability is a priority, there is a range of quality.
		Windows 2000 is in fact still less reliable and stable than the least reliable version of UNIX (even the free ones), and will require a full time maintenance and administration staff, as well as at least a part time staff or independent consultants for recurring repair work.
	www.osdata.com /holistic/reliable/reliable.htm (3788 words)

	ZIPAS400 your AS400 source for all your midrange solutions
		Additionally, tasks such as handling record locks and queuing updates are managed automatically by the system, making high-speed, multiuser applications easy to create, maintain, and extremely reliable.
		The machine survives because the Hardware abstraction layer of its microcode (called TIMI for "Technology Independent Machine Interface" by IBM) allows the operating system and application programs to take advantage of advances in hardware and software without recompilation.
		The HAL allows a system that costs $9000 to run the exact same operating system and software as a $2 million system.
	ZipAS400.com (3788 words)

	New Central Subway Project
		Agency Operating Financial Condition: Since July 1, 2000, the Municipal Transportation Agency has been operating with new and more reliable sources of funding, including Proposition E City parking revenues. MUNI has long-term experience operating an urban rail system.
		Operating Cost Estimates and Contingencies: Implementation of the New Central Subway would result in a net increase of $15.5 million to systemwide operating costs. This increase represents a two percent increase in MUNI’s systemwide operating budget.
		Street Phase I. Neighborhoods throughout the corridor are pedestrian-scaled and walkable. Parking is extremely limited in the CBD and throughout the Chinatown and the Market Street area. Existing zoning regulations are supportive of moderate- to high-density, transit-oriented development throughout the corridor.
	www.fta.dot.gov /library/policy/ns/ns2004/pe_SFranCntrlSubrev.htm (3788 words)

	VxWorks Networking Products
		With a reputation for performance, flexibility, compatibility and scalability, VxWorks provides an extremely reliable runtime platform for embedded application development.
		VxWorks®, is the most widely adopted real-time operating system (RTOS) in the embedded industry.
		This page contains information and collateral about Interpeak products and solutions for the VxWorks operating system.
	www.interpeak.com /partners/os_vxworks.php3 (65 words)

	Hyperworlds - Web Replacement Projects
		EROS- Extremely Reliable Operating System (based on KeyKOS) A bullet-proof system still in development.
		The future of operating systems must be like this.
	hyperworlds.org (65 words)

	[CS] Talk by Jonathan Shapiro, University of Pennsylvania - Thurs. 15 June
		--=====================_8177084==_.ALT Content-Type: text/plain; charset="us-ascii"; format=flowed Thursday, 15 June Ryerson 251 at 2:30 pm (followed by refreshments in Ryerson 255) JONATHAN SHAPIRO University of Pennsylvania Presents: EROS, the Extremely Reliable Operating System Background: Capability systems have long been known to offer reliability advantages over current operating system architectures.
		Arguments have been made for and against their security advantages.
		[CS] Talk by Jonathan Shapiro, University of Pennsylvania - Thurs.
	www.cs.uchicago.edu /pipermail/cs/2000-June/000143.html (768 words)

	Forbes Cottage Overview
		The Pick Operating System used by Forbes Cottage Data is one of the most reliable multi-user systems now available.
		No system is immune from problems, however, and to this end Forbes Cottage Data operates two redundant (identical) systems, with a third partial system containing the most important information.
		The main benefit of Forbes Cottage Data information is that it is extremely flexible and all programming is done here in Thomasville.
	home.rose.net /~forbes/forbes1.html (892 words)

	Digital Equipment Corporation - Wikipedia, the free encyclopedia
		Digital Equipment Corporation should not be confused with Digital Research; the two were unrelated, separate entities (despite some similarities between the operating systems they produced); nor with Western Digital.
		Digital produced top-line operating systems, like OS-8, TOPS-10, TOPS-20, RSTS/E, RSX-11, RT-11, and VMS.
		As a designer and manufacturer of peripherals, DEC can offer extremely reliable equipment...
	en.wikipedia.org /wiki/Digital_Equipment_Corporation (2716 words)

	Microsoft Customer Evidence: French Overseas Network
		Now that the new network operating system and messaging engine are in place, the system is proving extremely reliable.
		Mobile access to the global network is critical for journalists and camera crews as they chase breaking news stories, log reports, and communicate with colleagues.
		This technology gives journalists access to the network, and essential applications such as e-mail, from any location using a browser on their wireless device.
	microsoft.com /resources/casestudies/CaseStudy.asp?CaseStudyID=16387 (2716 words)

	Ciprico Talon
		Designed from the ground-up, all of TALON’s components are ruggedized to withstand extreme operating temperatures of -34 to 50 degrees Celsius.
		Extremely fault-tolerant, TALON also includes dual power supplies, RAID controllers, and hot-swappable drives.
		Remote system alerts continuously monitor the system, immediately notifying your IT administrator and Ciprico tech support of any potential performance issues.
	www.ciprico.com /pTalon.shtml (455 words)

	March Networks - Singapore Mass Rapid Transit
		The selected system had to be extremely reliable and integrate seamlessly with existing CCTV cameras and components.
		Transportation provider SMRT Corporation was searching for a networked DVR system to replace 17-year-old surveillance equipment operating in more than 50 train and light-rail transit stations.
		As part of a more encompassing upgrade to its North-South and East-West transit lines, SMRT will replace existing CCTV components with more than 120 March Networks 4000 Series DVRs from systems integrator and March Networks Certified Solution Provider O’Connor’s Singapore Pte.
	www.marchnetworks.com /casestudies/smrt/default.asp (94 words)

	Research Machines 380Z
		Extremely solid and reliable, the Research Machines 380Z was used as an educational tool in schools.
		Also included was a keyboard in a metal case and Research Machines own RML Extended BASIC and also the CP/M operating system.
		Originally, the machine was priced at £2,062 for the 5" disk system and came with a 6Kb ROM and 56Kb of RAM.
	www.zoo.co.uk /~z0001275/rm380z.htm (132 words)

	March Networks - Singapore Mass Rapid Transit
		The selected system had to be extremely reliable and integrate seamlessly with existing CCTV cameras and components.
		Transportation provider SMRT Corporation was searching for a networked DVR system to replace 17-year-old surveillance equipment operating in more than 50 train and light-rail transit stations.
		As part of a more encompassing upgrade to its North-South and East-West transit lines, SMRT will replace existing CCTV components with more than 120 March Networks 4000 Series DVRs from systems integrator and March Networks Certified Solution Provider O’Connor’s Singapore Pte.
	www.marchnetworks.com /casestudies/smrt (132 words)

	Intel Aids 'Carrier Grade' Linux
		SAN FRANCISCO -- Intel (Quote, Chart) is helping to introduce more Linux to the telecommunications industry these days -- not as an inexpensive edge system but as an extremely reliable cornerstone.
		As for Carrier Grade Linux, Intel is currently working with IBM, (Quote, Chart) and HP (Quote, Chart) and others like Nokia, Sprint, Lucent, and MontaVista Software to help bring the open source operating system from the front to the back office.
		Intel said the Carrier software scales up to 240 channels in off-the-self Intel Architecture-based servers and is compatible with the leading Internet telephony standards, including SIP, H.323 and H.450.2.
	internetnews.com /dev-news/article.php/3405571 (796 words)

	Architecting Your Telco Server Farm
		Your telco servers need to be extremely reliable and extra rugged to give customers the uninterrupted service they expect.
		It leverages state-of-the-art technology, including copper-based IBM POWER3 SMPs, the industry-leading IBM AIX operating system, and a balanced system design for high performance and reliability.
		To deliver the highest possible network reliability and availability, telco servers must be able to survive such stressful environmental conditions.
	www-1.ibm.com /servers/eserver/pseries/hardware/tour/briefs/telco_server.html (457 words)

	zlib (free zip library) - ComponentSpot
		Authors Jean-Loup Gailly and Mark Adler have released the latest version of the zlib compression library, a free data-compression library, which is intended for use on any type of computer and with operating system.
		Integrity checks are performed on the uncompressed data using either the CRC-32 (more reliable) or the ADLER 32 (slightly less reliable but much faster) checksum.
		This is extremely small compared to what the LZW method can do, which according to the authors can double or triple file sizes in extreme cases.
	www.acidfiles.com /dynamic/go/to/aHR0cDovL3d3dy5jb21wb25lbnRzcG90LmNvbS9wcm9kdWN0cy9yZXZpZXcuYXNweD9pZD0xMyZNYXN0ZXJDYXQ9MCZDYXRlZ29yaWVzPTEwMDA (380 words)

	Directional Drilling
		The Geolink sustem is capable of operating in environments with extremely high mud weights, up to 0.5% sand at maximum flow rates, and with a downhole temperature range of up to 150°C. © 2002 Cathedral Energy Ltd. All Rights Reserved.
		TDC uses the highly reliable Geolink MWD system, manufactured by Geolink of Aberdeen, Scotland.
		TDC's standard equipment is capable of operating in environments up to 20000 psi, with a minimum drillstring to annulus pressure of 350 psi to a maximum of 4000 psi.
	www.cathedralenergyservices.com /thedirectional_company/thedrilling.jsp (746 words)

	SHF Military Communications Satellite
		Since fielding of Extremely High Frequency (EHF) space segment and shipboard terminals for protected communications, Navy’s SHF SATCOM requirement has transitioned to unprotected interoperable high capacity voice, data, and video for combatants and flag capable ships, and reliable Joint/NATO-interoperable low probability-of-intercept (LPI), secure information exchange at medium to high data rates for fleet flag ships.
		In response to a validated joint requirement, initial operating requirements were defined in 1972 for a shipboard Super High Frequency (SHF) satellite communications (SATCOM) terminal to provide high data rates for SURTASS T-AGOS platforms and jam-resistant voice and data circuits for major combatants beyond the line of sight (BLOS).
		The system is used for high priority communication such as the exchange of wartime information between defense officials and battlefield commanders.
	www.globalsecurity.org /space/systems/shf.htm (645 words)

	KeyKOS Home Page
		EROS (the Extremely Reliable Operating System) is a close derivative of KeyKOS that runs on Intel-family machines.
		While the Key Logic documents have been placed in the public domain by Key Logic, most of the documents provided here remain copyrighted.
		Further information on EROS can be found at the EROS Home Page
	www.cis.upenn.edu /~KeyKOS (1185 words)

	Hit and Run
		P-code programs were extremely compact, one of the qualities that allowed a complete operating system and development environment to fit in a tiny Apple II computer, for example, with room left over for a significant application program to run along with its data.
		Because all of the constituent parts would be pre-tested and pre-qualified, and their interfaces well-defined, final software would be more quickly realized, and would need less rigorous (read, "costly, time-consuming") testing before a sturdy, reliable product could go to market.
		He freely admits that some software wasn't bad, it was merely disliked, and I think that Modula-2 falls in that category.
	www.reason.com /hitandrun/2004/08/worst_ware_ever.shtml (2095 words)

	PowerJet Pond Pumps
		PowerJET pond pumps have robust, reliable motors which also provide all the power to Laguna filters and sterilizers to keep your pond healthy and clear.
		The beautiful splashes and cascades of water created by PowerJET introduce oxygen to the pond which is extremely valuable for fish and plants during sultry summer days when oxygen levels are low.
		Circulate your pond or power a waterfall at the lowest operating cost per gallon.
	www.pondpals.com /pond_pumps/powerjet-pumps.html (2095 words)

	Welcome to Jonathan's Personal page
		The Auto-Regulating Gas Operating (ARGO) gas system is a design that will be extremely reliable in service.
		The M4 Super 90 Combat Shotgun/XM1014 is a semiautomatic, gas operated, tubular magazine fed tactical shotgun.
		It also comes with a specially-fitted aluminium alloy hard case for transportation and protection, extra magazines, adjustable sling, cleaning and maintenance equipment, user tookit and a swiss made tripod.
	www.geocities.com /Tokyo/Field/7967/jon.html (267 words)

	Magneto-optical drive - Wikipedia, the free encyclopedia
		Magneto-optical drives by default check information after writing it to the disc, and are able to immediately report any problems to the operating system.
		This means that writing can actually take three times longer than reading, but it makes the media extremely reliable, unlike the CD-R or DVD-R technologies upon which data is written to media without any concurrent data integrity checking.
		A magneto-optical drive is a kind of optical disc drive capable of writing and rewriting data upon magneto-optical discs.
	en.wikipedia.org /wiki/Magneto-optical_drive (267 words)

	Logic Technology - Embedded Development Tools, Emulators, Compilers, Debuggers, Simulators, Interconnect Solutions
		Both eXtremeDB and INTEGRITY provide a highly cost-effective, scalable embedded solution, with minimal RAM and CPU requirements on the target system, thus lessening manufacturing cost, while enabling customers to deploy extremely reliable solutions.
		Founded in 1982, Green Hills Software, Inc. is the technology leader for real-time operating systems and software development tools for 32- and 64-bit embedded systems.
		Green Hills Software’s INTEGRITY RTOS features full memory, application and device driver protection along with guaranteed resource availability for systems’ most critical tasks.
	www.logic.nl /bcinfo.asp?bc=224 (751 words)

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Topic: Extremely Reliable Operating System

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