Mobile sales: Cloud deployment vs on-premise - pros, cons, and security considerations

Our enterprise is planning a mobile sales rollout for 500+ field reps and we’re debating cloud vs on-premise deployment. We have legacy systems that need integration, strict data residency requirements in APAC and EMEA regions, and concerns about mobile SDK security in cloud environments.

Cloud seems faster to deploy but I’m worried about integration latency with our on-premise ERP and legacy customer databases. On-premise gives us more control over security and data location, but Mobile SDK updates and maintenance overhead could be significant.

Has anyone done a large-scale mobile sales deployment and can share insights on the tradeoffs? Particularly interested in experiences with Mobile SDK security in cloud deployments and how you handled integration with legacy on-premise systems.

Having managed both deployments, I’d strongly recommend cloud for mobile sales unless you have regulatory requirements that absolutely mandate on-premise. The integration with legacy systems isn’t as problematic as it seems - use middleware like MuleSoft or Dell Boomi to create an integration layer that abstracts your on-premise complexity. For data residency, Salesforce’s Hyperforce lets you choose specific geographic regions. The real advantage of cloud is the Mobile SDK security updates and feature releases happen automatically - we were on-premise and constantly 2-3 versions behind on mobile features.

Mobile SDK security in cloud is actually quite robust if configured properly. We use Salesforce Shield for platform encryption, mobile app security policies enforce biometric authentication, and all API traffic uses certificate pinning. The key is leveraging Salesforce’s security features rather than trying to replicate on-premise controls. Our bigger challenge was integration with legacy systems - we ended up using Salesforce Connect to create external objects that query on-premise databases in real-time without data replication.

We deployed Salesforce Mobile for 300 reps last year using cloud. The cloud vs on-premise tradeoff comes down to control vs agility. Cloud gave us immediate Mobile SDK updates and eliminated infrastructure management, but we had to accept Salesforce’s data center locations. For APAC/EMEA data residency, Salesforce offers region-specific instances (Tokyo, Singapore, Frankfurt) which satisfied our compliance needs. Integration with legacy systems was handled through MuleSoft in a hybrid model - on-premise connectors with cloud-based integration layer.