Operational Status

2020

2019

2018

2017

Availability

Month and Year	# of Critical Incidents	Outage in minutes	Cumulative Availability
June 2020	0	0	100%
May 2020	0	0	100%
April 2020	0	0	100%
March 2020	0	0	100%
February 2020	0	0	100%
January 2020	0	0	100%

Availability is related to the duration of Severity 1 incidents. The DSB Availability target is 99.9%

Latency and Throughput Statistics

Month and Year	Message	50th percentile latency (ms)	90th percentile latency (ms)	99th percentile latency (ms)
June 2020	ISIN Record retrieval by ISIN code	11	34	59
	ISIN Record retrieval by ISIN attributes	64	96	235
	ISIN Create Requests	44	121	191
	ISIN Search	20	52	78
May 2020	ISIN Record retrieval by ISIN code	12	37	66
	ISIN Record retrieval by ISIN attributes	62	103	501
	ISIN Create Requests	92	126	198
	ISIN Search	20	54	84
April 2020	ISIN Record retrieval by ISIN code	10	26	54
	ISIN Record retrieval by ISIN attributes	55	83	273
	ISIN Create Requests	96	131	202
	ISIN Search	20	48	82
March 2020	ISIN Record retrieval by ISIN code	10	25	52
	ISIN Record retrieval by ISIN attributes	54	86	283
	ISIN Create Requests	81	132	209
	ISIN Search	20	51	83
February 2020	ISIN Record retrieval by ISIN code	10	27	52
	ISIN Record retrieval by ISIN attributes	53	91	334
	ISIN Create Requests	98	135	205
	ISIN Search	20	45	82
January 2020	ISIN Record retrieval by ISIN code	26	50	80
	ISIN Record retrieval by ISIN attributes	55	98	264
	ISIN Create Requests	127	206	309
	ISIN Search	47	90	128

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 Incident	Incident Name	Severity 1 Duration	Severity 2 Duration	RCA (Root Cause Analysis)
8th January 2020	FIX Service Disruption		5mins	View Document

Availability

Month and Year	# of Critical Incidents	Outage in minutes	Cumulative Availability
December 2019	0	0	100%
November 2019	0	0	100%
October 2019	0	0	100%
September 2019	0	0	100%
August 2019	0	0	100%
July 2019	0	0	100%
June 2019	0	0	100%
May 2019	0	0	100%
April 2019	0	0	100%
March 2019	0	0	100%
February 2019	0	0	100%
January 2019	0	0	100%

Availability is related to the duration of Severity 1 incidents. The DSB Availability target is 99.9%

Latency and Throughput Statistics

Month and Year	50 percentile latency (ms)	90 percentile latency (ms)	99 percentile latency (ms)
December 2019	52	132	285
November 2019	49	105	251
October 2019	49	96	197
September 2019	48	100	203
August 2019	44	91	223
July 2019	39	83	223
June 2019	43	128	256
May 2019	42	127	278
April 2019	42	137	299
March 2019	42	133	241
February 2019	38	142	247
January 2019	42	145	258

The DSB Latency target – 99% of all messages routed through the system are to be processed and delivered in 1,000ms.

Incident Details and Root Cause Analyses

Date of Incident	Incident Name	Severity 1 Duration	Severity 2 Duration	RCA (Root Cause Analysis)
N/A	N/A	N/A	N/A	N/A

Availability

Month and Year	# of Critical Incidents	Outage in minutes	Cumulative Availability
December 2018	0	0	99.98%
November 2018	0	0	99.97%
October 2018	0	0	99.97%
September 2018	0	0	99.97%
August 2018	0	0	99.97%
July 2018	0	0	99.96%
June 2018	0	0	99.96%
May 2018	0	0	99.95%
April 2018	0	0	99.95%
March 2018	1	21	99.94%
February 2018	1	99	99.94%
January 2018	1	12	99.99%

Availability is related to the duration of Severity 1 incidents. The DSB Availability target is 99.9%

Latency and Throughput Statistics

Month and Year	50 percentile latency (ms)	90 percentile latency (ms)	99 percentile latency (ms)
December 2018	42	135	241
November 2018	40	123	201
October 2018	45	148	638
September 2018	30	135	222
August 2018	21	127	201
July 2018	28	104	191
June 2018	30	127	199
May 2018	45	142	214
April 2018	144	941	2,029
March 2018	330	975	2,079
February 2018	300	745	1,522
January 2018	175	595	1,291

The DSB Latency target – 99% of all messages routed through the system are to be processed and delivered in 1,000ms.

Incident Details and Root Cause Analyses

Date of Incident	Incident Name	Severity 1 Duration	Severity 2 Duration	RCA (Root Cause Analysis)
25th March 2018	SOLR 25 Mar	21mins	1hr 58mins	View Document
23rd February 2018	SOLR 23 Feb	1hr 39mins	1hr 53mins	View Document
24th January 2018	SOLR 24 Jan	12mins	2hrs 26mins	View Document
3rd January 2018	SOLR 2/3 Jan (Cont.)		3hrs	View Document
2nd January 2018	SOLR 2/3 Jan		2hrs 4mins	View Document

Availability

Month and Year	# of Critical Incidents	Outage in minutes	Cumulative Availability
December 2017	0	0	100%
November 2017	0	0	100%
October 2017	0	0	100%

Availability is related to the duration of Severity 1 incidents. The DSB Availability target is 99.9%

Latency and Throughput Statistics

Month and Year	50 percentile latency (ms)	90 percentile latency (ms)	99 percentile latency (ms)
December 2017	62	294	873
November 2017	108	141	214
October 2017	130	184	224

The DSB Latency target – 99% of all messages routed through the system are to be processed and delivered in 1,000ms.>/p>

Incident Details and Root Cause Analyses

Date of Incident	Incident Name	Severity 1 Duration	Severity 2 Duration	RCA (Root Cause Analysis)
N/A	N/A	N/A	N/A	N/A