Edge computing
Edge computing processes data closer to its source or use. Which work runs locally and how it interacts with central services still need to be planned.
What does edge computing mean?
Edge computing moves computation and storage closer to the devices or people producing or using data. AWS describes local devices, nearby servers and regional services for this. Processing therefore does not have to take place entirely in a distant central data centre. Edge services can still connect to cloud services.
Example: summarising measurements on site
In the fictional design, sensor SENSOR-6 sends temperature measurements to local computer EDGE-6. An application installed there calculates averages for defined time windows and sends them to the central analysis service. The design also specifies whether raw values are stored locally and when they are deleted. The identifiers and flow are our own examples.
If the connection to the centre fails, local calculation can continue only if the data and services it needs are available on site. Later transmission requires a bounded buffer and rules for full storage, missing values and repeated transmissions. The word edge does not supply those rules.
Cisco highlights the operational and security work involved in distributed locations. The example therefore also requires managing access, software versions and faults in the local computer. Whether the approach achieves the required response time must be checked for the specific flow; proximity alone is not a measurement result.
Sources
Related terms
- Cloud computingCloud computing provides IT resources over a network on demand. Service and deployment models determine which tasks remain with the company.
- ServerlessWith managed serverless services, the provider operates the execution infrastructure. Code, access and error handling remain application responsibilities.
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- Return-PathReturn-Path records the SMTP reverse path in a header. It explains the technical route for error reports, not a person’s identity.
- Envelope-FromEnvelope-From identifies the SMTP sender for transport and error feedback. It must be distinguished from the visible sender address.
- DMARC aggregate reportA DMARC aggregate report summarises a reporting mail system’s domain checks over a period. It helps examine sending sources and misconfigurations.
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