Software Fault Tolerance Techniques and Implementation phần 3 ppt

... design diverse software fault tolerance techniques, but are also useful to consider for other types of software fault tolerance techniques. 88 Software Fault Tolerance Techniques and Implementation • Checkpoint: ... NSCP AT Comparison 2 4 1 .33 2.24 2.17 3. 77 1.75 3. 01 0.88 0.75 1 NVP 3 1.78 2.71 2.25 0.75 2 RcB 3 1.78 2.96 2 .37 0.79 2 NSCP AT Comparison...

Ngày tải lên: 09/08/2014, 12:23

... mo del + Section 3. 3.2 NVS design parad igm + Section 3. 3 .3 Dependability studies +/− Section 4.1 .3. 3 5 Data Diverse Software Fault Tolerance Techniques Ammann and Knight [1 3] proposed the use ... re 4. 13 Example of acceptance voting implementation. Design Diverse Software Fault Tolerance Techniques 175 Table 4.14 Software Fault Tole rance Tech nique Over h...

Ngày tải lên: 09/08/2014, 12:23

... failure for most software fault tolerance techniques, so they should be designed and developed to be highly reliable, effective, and efficient. 270 Software Fault Tolerance Techniques and Implementation Voter AT Hybrid, other Adjudicator Majority ... pp. 2 43 247. [32 ] Xu, J., The t/(n − 1)-Diagnosability and Its Applications to Fault Tolerance,  Pro- ceedings:...

Ngày tải lên: 09/08/2014, 12:23

... properties of integrity, availability, and confidentiality. 6 Software Fault Tolerance Techniques and Implementation Fault forecasting Fault removal Fault tolerance Fault avoidance Construction Validation Means Availability Reliability Failures Safety Confidentiality Attributes Impairments Dependability Integrity Maintainability Errors Faults Figu ... Overhead 70 3. 2...

Ngày tải lên: 09/08/2014, 12:23

... comput- ers for the Boeing 737 -30 0 [35 ] and 7J7 [36 ]; the ATR.42, Airbus A -31 0, A -32 0 [37 ], A -33 0, and A -34 0 aircraft; and the four-version MAFT sys- tem [38 ]. Diversity at the operator-machine ... influence on software diversity most affect a reduction in the likelihood of common mode failures. The collection of a 34 Software Fault Tolerance Techniques and I...

Ngày tải lên: 09/08/2014, 12:23

... alternate execution; Design Diverse Software Fault Tolerance Techniques % 4 Design Diverse Software Fault Tolerance Techniques Design diverse software fault tolerance techniques are based on several ... issues. 96 Software Fault Tolerance Techniques and Implementation Table 3. 4 N-Version Programming Design Paradigm Activities and Guidelines Software...

Ngày tải lên: 09/08/2014, 12:23

... single fault +/− Section 3. 1.4 Cost (Table 3. 3) +/− Section 3. 1.4 Space and time redundancy +/− Section 3. 1.4 Design consider ations + Section 3. 3.1 Dependable syst em development model + Section 3. 3.2 NVS ... recovery techniques. ) − Section 3. 1.1 Coincident and c orrelated failures − Section 3. 1.1 Domino effect − Section 3. 1 .3 Overhead for tolerating a single fau...

Ngày tải lên: 09/08/2014, 12:23

... performance of software fault tolerance techniques in general (discussed in Chapters 2 and 3) and the dependability of specific techniques themselves. Table 4.2 (in Section 4.1 .3. 3) provides a ... 2: ( , ) 1 23. 45f x y = (0.002 + 1 , 2.2)e − 10 (0.001 + 1 , 2.2)e − 10 Copy 3: ( , ) 1 23. 96f x y = DM: Majority tolerance 0.75, = 1 23. 96 − 1 23. 45 0.51 0.75= < ÷ 0 err...

Ngày tải lên: 09/08/2014, 12:23

... that 260 Software Fault Tolerance Techniques and Implementation 6 Other Software Fault Tolerance Techniques New techniques are often proposed to overcome the limitations associated with previous techniques, ... 1990. [ 13] Anderson, T., and P. A. Lee, Software Fault Tolerance,  in Fault Tolerance: Principles and Practice, Englewood Cliffs, NJ: Prentice-Hall,...

Ngày tải lên: 09/08/2014, 12:23

... voter, 30 4, 31 0 Dynamic majority voter, 30 39 defined, 30 34 discussion, 30 9 example, 30 89 FPA and, 30 9 functionality, 30 5, 30 7 MCR and, 30 9 operation, 30 48 operation illustration, 30 7 pseudocode, ... of, 44 53 Diversity application of, 25 aviation system example, 26 case studies/experiments, 31 33 concept illustration, 30 cost of, 30 , 73 74 33 4 Software...

Ngày tải lên: 09/08/2014, 12:23