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Timeliness

1 Definition

Period between the moment of requesting information and the moment of availability of information.

• Near Real-Time (NRT): delivered less than 3 hours after requesting information.
• Slow-Time Critical (STC): delivered within 48 hours after requesting information.
• Non-Time Critical (NTC): typically delivered within 1 month after requesting information.

Notes

• In some contexts also known as delivery time.
• C3S URDB describes timeliness as "the ability of the publish/subscribe middleware to provide the expected service within known time bounds".

Examples

Sources

• Adapted from ESA S3 User Guide