Whereas granularity disintegrators provide guidance and justification for when to

break a service into smaller pieces, granularity integrators work in the opposite way—

they provide guidance and justification for putting services back together (or not

breaking apart a service in the first place). 

Analyzing the trade-offs between disinte‐

gration drivers and integration drivers is the secret to getting service granularity

right. The four main drivers for granularity integration are as follows: