MERCATOR OCEAN JOURNA: 
SEPTEMBER 2021 
3.2 Service Management 
The number of changes and incidents to cope with has also 
drastically increased starting from 2018. Tried and tested 
procedures in place proved to be effective and did not affect 
man power requirements. This can be explained by 2 factors: 
40% due to the increase in number of contractors 
(more products, bigger offer) and separation between 
PU and DU (the interfaces issues are now more visible) 
- 60% due to the growing user base that increased the 
stress on the system, and new requirements that 
emerged from that. 
3.3 Central Dissemination Unit 
Finally, the last major change in the system was the fact 
that all DUs have been regrouped into one central DU in 
2018. All Production Units and the CIS had to rewire their 
connections and revisit their procedures. 
‚gure 8: Number of changes and incidents affecting the CIS per month 
& Dissemination Unit 
4 Produchnn | Ipit 
& Dissemination Unit 
BB Pracuueshinn | Init 
volution of PUs and DUs. Left: 2015, Richt: 20217