Availability
Month and Year# of Critical
Incidents		Outage in
minutes		Cumulative
Availability
January 202300100%
Availability is related to the duration of Severity 1 incidents. The DSB Availability target is 99.9%
Latency and Throughput Statistics
Month and YearMessage 50th percentile
latency (ms)		90th percentile
latency (ms)		99th percentile
latency (ms)
January 2023ISIN Record retrieval by ISIN code143264
ISIN Record retrieval by ISIN attributes365588
ISIN Create Requests56161198
ISIN Search982171355
The DSB Latency targets:

* 99% of all messages for workflows related to ISIN Record retrieval by ISIN code are to be processed and delivered in 500ms.
* 99% of all messages for workflows related to ISIN Record retrieval by ISIN attributes are to be processed and delivered in 1,000ms.
* 99% of all messages for workflows related to ISIN Create Requests are to be processed and delivered in 1,000ms.
* 99% of all messages for workflows related to ISIN Search (wildcard search by metadata) are to be processed and delivered in 5,000ms.

Incident Details and Root Cause Analyses
Date of IncidentIncident NameSeverity 1 DurationSeverity 2 DurationRCA (Root Cause Analysis)

Classification of Incidents
SeverityDefinition
Critical (S1)Critical production issue that severely impacts the DSB Service for all Users. The situation halts business operations and no procedural workaround exists.
• DSB Service is down or unavailable.
• Major data elements are corrupted or lost and must be restored from backup.
• A critical documented feature / function is not available.
Major (S2)Major functionality is impacted or significant performance degradation is experienced and is not a Critical Incident. The situation is causing a high impact to some Users’ business operations and no reasonable workaround exists.
• DSB Service is operational but highly degraded performance to the point of major impact on usage.
• Important features of the system offering are unavailable with no acceptable workaround; however, operations can continue in a restricted fashion.
Minor (S3)There is a partial, loss of use of the DSB Service with a medium-to-low impact on your business, but your business continues to function that is not a Critical Incident or a Major Incident. Short-term workaround is available, but not scalable.
Cosmetic (S4)Inquiry regarding a routine technical issue; information requested on application capabilities, navigation, installation or configuration; bug affecting a small number of users. Acceptable workaround available.