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Network Performance Latency(Propagation time; Transmission time) Data Transfer Rate(Bandwidth) Retransmission(Dropped packets) Under Light Traffic Mes 阅读全文
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Internet protocol (IP) version 4 is the predominant protocol used at the network layer of the Internet and most other distributed systems. It is respo 阅读全文
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Distributed SystemsA distributed system is a computer system with multiple sequential processes that communicate and interact with each other that app 阅读全文
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Where is the cost of software products from? -Effort and time Abstraction Abstraction is a process by which higher concepts are derived from the usage 阅读全文
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Faults and failures Mistake vs. Fault vs. Failure Mistake:A human action that produces an incorrect result Fault: An incorrect step, process or data d 阅读全文
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Reflection: To obtain meta level information about the program structure itself at runtime. To change the program interpretation or meaning at the run 阅读全文