requests input parsing fault tolerance and feedback

... (fault avoidance and fault tolerance) , and (2) those that contribute to validation of the software after it is developed (fault removal and fault forecasting) Briefly, the techniques are: • Fault ... prevent fault introduction and occurrence; • Fault removal: to detect the existence of faults and eliminate them; • Fault/ failure forecasting: to estimate the presence of faults and the occurrence and ... something has been left out of the requirements Fault removal is imperfect, so fault forecasting and fault tolerance are needed 1.3.3 Fault/ Failure Forecasting Fault forecasting, or failure forecasting,...

Ngày tải lên: 09/08/2014, 12:23

... diversity for fault tolerance Team-Fly® Structuring Redundancy for Software Fault Tolerance % purposes—data and temporal diversity To assist in developing and evaluating software fault tolerance ... another program element to handle the exception condition 28 Software Fault Tolerance Techniques and Implementation Inputs Robust software Valid Input ? False Request new input or True Use last acceptable ... to have the fault tolerance mechanisms to handle the errors produced in that layer The fault tolerance mechanisms in each layer should handle the error recovery time performance and containment...

Ngày tải lên: 09/08/2014, 12:23

... A., and T Anderson, Fault Tolerance: Principles and Practice, New York: Springer-Verlag, 2nd ed., 1990 [61] Duncan, R V., Jr., and L L Pullum, “Object-Oriented Executives and Components for Fault ... Cost-Effective and Flexible Scheme for Software Fault Tolerance, Univ of Newcastle upon Tyne, Tech Rep No 372, 1992 [65] Xu, J., A Bondavalli, and F DiGiandomenico, Software Fault Tolerance: Dynamic ... basis for understanding the space and time requirements of, and possible trade-offs between, the software fault tolerance techniques being considered for use Software fault tolerance also introduces...

Ngày tải lên: 09/08/2014, 12:23

... hardware and software fault tolerance [26–29] Analysis of software fault tolerance [20–25] RcB, NVP, and NSCP stochastic reward net models [30] Modeling and evaluation of software fault tolerance ... chapter presented software fault tolerance problems and issues, programming techniques, and design and development considerations and models The advantages of software fault tolerance are accompanied ... 92] summarizes the key fault tolerance activities and issues for this phase • Description of system behavior in presence of faults: Fault assumptions (faults considered, faults discarded); • System...

Ngày tải lên: 09/08/2014, 12:23

... combination of distributed and/ or parallel processing and recovery blocks that provides both hardware and software fault tolerance The DRB scheme has been steadily expanded and supported by testbed ... cycles and each of these cycles is twophase structured A two-phase structured cycle consists of an input acquisition phase and an output phase During the input acquisition phase, input actions and ... resulting modules, and there are advantages and disadvantages to both small and large modules (see Section 4.2.3 for a discussion) 160 Software Fault Tolerance Techniques and Implementation...

Ngày tải lên: 09/08/2014, 12:23

... [16] Anderson, T., and P A Lee, “Software Fault Tolerance, ” in Fault Tolerance: Principles and Practice, Englewood Cliffs, NJ: Prentice-Hall, 1981, pp 249–291 [17] Randell, B., Fault Tolerance and ... B+1 Software Fault Tolerance Techniques and Implementation Method Judgement on Result Acceptability Table 4.14 Software Fault Tolerance Technique Overheads for Tolerance of One Fault (with Respect ... M Kersken and F Saglietti (eds.), Software Fault Tolerance: Achievement and Assessment Strategies, New York: SpringerVerlag, 1992, pp 177–197 186 Software Fault Tolerance Techniques and Implementation...

Ngày tải lên: 09/08/2014, 12:23

... (recall the tolerance for x ) to the input; and a DRA that adds 0.001 to the input These re-expressed inputs are sent to the algorithm copies The copies perform their functions on the inputs and the ... Software Fault Tolerance Techniques 207 5.1.3.1 Architecture We mentioned in Sections 1.3.1.2 and 2.5 that structuring is required if we are to handle system complexity, especially when fault tolerance ... Software Fault Tolerance Techniques and Implementation The NCP technique uses a decision mechanism (DM) (see Section 7.1) and forward recovery (see Section 1.4.2) to accomplish fault tolerance...

Ngày tải lên: 09/08/2014, 12:23

... Detection and Tolerance of Software Faults,” Proceedings: Interface ’90, East Lansing, MI, 1990 [13] Anderson, T., and P A Lee, “Software Fault Tolerance, ” in Fault Tolerance: Principles and Practice, ... Other Software Fault Tolerance Techniques $! Table 6.3 Some of the Other Software Fault Tolerance Techniques Technique Name Description Algorithmic fault tolerance Algorithmic fault tolerance describes ... selfprotective and self-checking components, and is derived from an approach to fault tolerance in which system goals are made explicit It was evolved from the efforts of Taylor and Black [9] and Bastani and...

Ngày tải lên: 09/08/2014, 12:23

... t/(n − 1)-Diagnosability and Its Applications to Fault Tolerance, ” Proceedings: FTCS-21, Montreal, Canada, 1991, pp 496–503 [33] Xu, J., and B Randell, “Software Fault Tolerance: t/(n − 1)-Variant ... 16.0, 18.1) 18.1 Input vector Median of inputs = 17.5 Output median value (17.5) and status 17.5, SUCCESS Figure 7.6 Example of median voter 282 Software Fault Tolerance Techniques and Implementation ... Software Fault Tolerance Techniques and Implementation MeanVoter (input_ vector, r*) // This Decision Mechanism determines the correct or // adjudicated result (r*), given the input vector // (input_ vector)...

Ngày tải lên: 09/08/2014, 12:23

... background, and design and programming guidelines and techniques for software fault tolerance The next three chapters described design diverse, data diverse, and other software fault tolerance ... consensus voter and, 294 !!% detection, 225–26 dynamic majority voter and, 309 exact majority voter and, 277 fault tolerance techniques and, 223–24 median voter and, 282 SCOP and, 260 selection, ... Software Fault- Tolerance, ” in J Zalewski and W Ehrenberger (eds.), Hardware and Software for Real Time Process Control, Elsevier Science Publishers B.V., NorthHolland, 1989 324 Software Fault Tolerance...

Ngày tải lên: 09/08/2014, 12:23

... understand There are many websites with databases of quotations available, including Quoteland, which can be found at http://www.quoteland.com/, and Familiar Quotations from Bartlett's, Simpson's and ... better Feedback As part of this cycle of writing and response, students expect to receive feedback from the teacher, as well as from classmates This feedback usually takes two forms: comment and ... ready IV Completing the Cycle: Sharing and Feedback The complete freewriting cycle contains two more aspects that are important for students: sharing and feedback Sharing Since all writing is...

Ngày tải lên: 06/09/2013, 05:10

... ip route command to determine which of the two is installed in SanJose2’s routing table Which route is installed? According to the output of the show ip eigrp topology all-links command, what is ... Step You must use the debug eigrp fsm command to observe how EIGRP deals with the loss of a successor to a route On the SanJose2 router, issue the command debug eigrp fsm Next, shut down or unplug ... this case, DUAL failed to find a feasible successor, and the router entered the active state After querying its EIGRP neighbors, SanJose2 locates and installs a route to 192.168.72.0/24 via 192.168.1.1...

Ngày tải lên: 11/12/2013, 15:15

... Transactions on Circuits and Systems, Series I and II, President of the IEEE Circuits and Systems Society, and is the Founding Editor and Editor-inChief of the Journal of Circuits, Systems and Computers ... of Broadband Matching Networks (Pergamon Press), Active Network and Feedback Amplifier Theory (McGraw-Hill), Linear Networks and Systems (Brooks/Cole), Passive and Active Filters: Theory and Implements ... education and industry and is very active professionally in the fields of circuits and systems He has served as visiting professor at Purdue University, University of Hawaii at Manoa, and Chuo...

Ngày tải lên: 07/03/2014, 07:20

... substrates and a wide range of medically important NAs with outstanding efficiency, as shown in Table [5–9] This makes it a very promising candidate as a suicide gene in gene therapy and it has ... previously been determined in complexes with substrates and a feedback inhibitor [12,13] It has a structure similar to that of the human dGK and dCK and belongs to a structural family that also contains ... density maps, contoured at 3r, for (A) dC and one sulfate ion and for (B) AZT and two sulfate ions All hydrogen bonds are shown as red dotted lines and water molecules are shown as red balls...

Ngày tải lên: 16/03/2014, 06:20

... 800 600 400 200 Demand Supply Demand 2000 2000 Demand 2000 Supply Supply 2005 2005 Demand 2005 Supply Demand Supply 2010 2010 Demand 2010 Supply 26 Paper Industry…………………… Demand & supply Within ... Quality and cost effective production • Basic inputs • Fibrous Raw materials • Chemicals • Non-fibrous additives • Energy • Water • Benchmarks and Norms for inputs • The project - Objective and Line ... ahead and has to gear it self for facing the growth in demand However, there are several bottlenecks industry has to overcome and one of the biggest hurdle is the availability and utilisation of inputs...

Ngày tải lên: 18/03/2014, 02:20

... groups and paradigms Concatenation of stem allomorphs and suffix allomorphs is licensed with the help of the following two factors: continuation classes s defined by paradigm descriptions, and classes ... Subcat=Adj Deriv=Adv Allom=i Base i -> .y cate~or~ [ADJ] [ADH [ADV] Lex=NonBase way of handling compounding and adequate handling of derivational affixes Morpheme sequence recognition is achieved through ... less complex morphologies The two possible stems are: 'szem' (eye) and 'szemdt' (rubbish) An enhancement: shallow and full parsing with HumorESK HumorESK (Humor Enhanced with Syntactic Knowledge)...

Ngày tải lên: 23/03/2014, 19:20

... groups and paradigms Concatenation of stem allomorphs and suffix allomorphs is licensed with the help of the following two factors: continuation classes s defined by paradigm descriptions, and classes ... Subcat=Adj Deriv=Adv Allom=i Base i -> .y cate~or~ [ADJ] [ADH [ADV] Lex=NonBase way of handling compounding and adequate handling of derivational affixes Morpheme sequence recognition is achieved through ... less complex morphologies The two possible stems are: 'szem' (eye) and 'szemdt' (rubbish) An enhancement: shallow and full parsing with HumorESK HumorESK (Humor Enhanced with Syntactic Knowledge)...

Ngày tải lên: 23/03/2014, 19:20

... intervention (audit and feedback alone, audit and feedback with educational meetings, or multifaceted interventions that included audit and feedback) , the intensity of the audit and feedback, the complexity ... second question Audit and feedback with educational meetings or audit and feedback as part of a multifaceted intervention combined compared to audit and feedback alone Audit and feedback compared ... intervention (audit and feedback alone, audit and feedback with educational meetings, or multifaceted interventions that included audit and feedback) • the intensity of the audit and feedback • complexity...

Ngày tải lên: 29/03/2014, 22:20

... Observing and analysing behaviour to pinpoint development needs 81 14 How you give feedback and come to a shared understanding of the issues? Giving neutral ‘cause and effect’ observations and agreeing ... criticized me have seen it as helpful feedback, but it wasn’t helpful at all And calling something feedback doesn’t make it feedback – if it’s judgemental, it’s criticism Feedback is about observations, ... neuroscience, psychology and psychotherapy to learn how our brains work, why we the things we do, and how to deal with emotions and the effects of early conditioning on our behaviour And I’ve looked far...

Ngày tải lên: 31/03/2014, 15:21

... memory and on disk 1.3 Existing Approaches to Software Fault Tolerance Current strategies for reducing the impact of software errors on systems fall into two classes: fault prevention and fault tolerance ... continued advances in non-software fault tolerance less and less important A second study from Tandem indicates another software-related limit to system fault tolerance [29] Even when software ... of outages to 62% By 1989, the second and third largest contributors, operations and hardware, were at fault only 15% and 7% of the time, respectively For Tandem, the trend is not due to worsening...

Ngày tải lên: 28/04/2014, 13:32