"SSIS-365" is not a widely standardized term; context matters. The most plausible interpretations are:
Migrating dynamics CRM SSIS data integration to dynamics 365 SSIS-365
Moving to an SSIS-365 model isn't without hurdles. Users often face or throttling when dealing with high-volume SharePoint transfers. Best Practices include: "SSIS-365" is not a widely standardized term; context
If you want, I can: