Types of Errors
A list of types of errors that can occur:
- An omission error is when one or more responses fails.
- A crash error is when nothing happens. A crash is a special case of omission when all responses fails.
- A Timing error is when one or more responses arrive outside the time interval specified. Timing errors can be early or late. An omission error is a timing error when a response has infinite timing error.
- An arbitrary error is any error, (i.e. a wrong value or a timing error).
- When a client uses a ] it can cope with different type errors from the server.
- If it can manage a crash at the server it is said to assume the server to have crash failure semantics.
- If it can manage a service omission it is said to assume the server to have omission failure semantics.
- Failure semantics are the type of errors are expected to appear.
- Should another type of error appear it will lead to a service failure because it cannot be managed.
Read more about this topic: Failure Semantics
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