Robustness principle

E519647
design principle network protocol design guideline software engineering design guideline

The Robustness principle is a design guideline in network and software engineering that advises systems to be conservative in what they send and liberal in what they accept to maximize interoperability and resilience.

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All labels observed (2)

Label Occurrences
Robustness principle canonical 1
robustness principle 1

Statements (49)

Predicate Object
instanceOf design principle ⓘ
network protocol design guideline ⓘ
software engineering design guideline ⓘ
aimsTo allow interoperability despite minor specification deviations ⓘ
reduce communication failures ⓘ
alsoKnownAs Postel principle NERFINISHED ⓘ
Postel's law NERFINISHED ⓘ
be conservative in what you send, be liberal in what you accept ⓘ
appliesTo APIs NERFINISHED ⓘ
communication protocols ⓘ
data format parsers ⓘ
network protocols ⓘ
software interfaces ⓘ
associatedWith IETF culture ⓘ
Internet protocol suite NERFINISHED ⓘ
TCP NERFINISHED ⓘ
Transmission Control Protocol NERFINISHED ⓘ
criticizedFor encouraging acceptance of invalid inputs ⓘ
increasing security risks ⓘ
leading to interoperability quirks ⓘ
making protocol evolution harder ⓘ
field computer networking ⓘ
protocol design ⓘ
software engineering ⓘ
goal enable backward compatibility ⓘ
enable forward compatibility ⓘ
improve resilience to variations in input ⓘ
increase robustness of systems ⓘ
maximize interoperability ⓘ
hasAspect conservative output generation ⓘ
liberal input acceptance ⓘ
influenced HTTP implementations ⓘ
design of many Internet protocols ⓘ
email protocol implementations ⓘ
web browser behavior ⓘ
influencedBy need for interoperability between heterogeneous systems ⓘ
mentionedIn RFC 1122 NERFINISHED ⓘ
RFC 761 NERFINISHED ⓘ
TCP specification NERFINISHED ⓘ
originator Jon Postel NERFINISHED ⓘ
relatedConcept backward compatibility ⓘ
defensive programming ⓘ
fault tolerance ⓘ
graceful degradation ⓘ
resilience ⓘ
robustness ⓘ
statedAs Be conservative in what you send, be liberal in what you accept ⓘ
timePeriod early Internet design ⓘ
late 1970s ⓘ

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Postel’s law → alsoKnownAs → Robustness principle ⓘ
Postel → alsoKnownAs → Robustness principle ⓘ
subject surface form: Postel’s law
this entity surface form: robustness principle