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This page contains discussion on the need for supervision and monitoring of services in . In particular it discusses what is possible to have a harmonised way .
Problem
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to notify users when a service is down or degraded.
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What are the conventions to interface with another application e.g. heartbeat?
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Is there a standard way to proceed with supervision.
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Background
Supervision was addressed in a SESAR project on virtual centres. This presentation summarises the approach used in the project
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Details are also available in the the PJ 16 final report (https://www.sesarju.eu/sites/default/files/documents/projects/FPR/PJ_16 Final Project Report official V2.doc.pdf
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)
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.
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See also Use Case 4 - Service Status Monitoring (see section N3.1.1.4) and also N.3.3.5
Then decide
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The topic was further discussed at the October Round Table meeting. The participants discussed what the objectives of the task would be. It was agreed that there is no need to create a service definition for
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a monitoring and supervision service. In reality, this would be difficult to create. The focus should therefore be on certain best practices.
Topics for best practices
cybersecurity - how does this apply to a supervision service?
General feeling is that there is no need to have a best practice on this.
will the service have a ticketing mechanism to inform support?each
General feeling is that there is no need to have a best practice on this.
semantics of availability statuses. Each implementation may have a different set of statuses - is it possible to align them? We should target the minimum number of statuses that can be agreed. Also acknowledge that alignment may not be possible.
the focus is on service availability. Service appliance availability and Service appliance resource utilisation were seen as too detailed.
Service availability statuses
This section covers the semantics of the service availability statuses.
Status | Definition | Usages/Synonyms |
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INITIATING | the service is starting-up and is not accessible? | |
AVAILABLE_RUNNING | the service is capable of being made use of | Available |
PARTIAL_FAILURE | the service capable of being made use of but it is reduced in quality | Degraded |
SERVICE_NOT_AVAILABLE | the service is not obtainable or accessible | Unavailable |
Unknown |