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- Individual and independent ensurance of audit trails by the individual pillars and clients
- Individual ensurance of audit trails via common audit-trail SLA
- Let audit trail service pull audit trails and doing the ensurance via audit-trail SLA
Audit-trail SLA
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Benefits and disadvantages
To support securing of audit trails we use the PutFile functionality along with special AuditTrail-SLAs and to access logs we use the GetFile functionality along with the special AuditTrail-SLAs.The GetAuditTrails Client provides the GetAuditTrail functionality to the user.
A special Audit Trails Servcie is responsible for securing audit trails is not in the illustration but is also a possibility.
which asks the pillars and other clients for logs to secure or receives request to secure audit trails from pillars and other clients.
The Get Audit Trail Client collects audit trails from different parts of the bit repository, i.e. audit trails information from pillars, clients, bus, alarms. These audit trails must therefore be secured either on individual initiative or by a dedicated client. The approach described here is that audit trails are ensured by letting pillars and clients secure copies on other pillars according to a Log-SLA. Especially the integrity client is important here.
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