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Michael Hart Predix Experience Development Managermichael.hart1@ge.com

GE Software

OFFLINE FIRSTWith Couchbase Mobile

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9

First Mobile Release Applications built with Cards

Developed basic offline capability

Message bus using Rabbit MQ

JSON Object model

Offline capabilities built into client

Modular backend domain integration service

iPad

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Lessons Learned Caching needed to improve

Needed to have a more flexible data model

Conflict Management is going to become a requirement soon

Working on offline support was eating up a big portion of engineering resources

GE’s Couchbase Mobile Decision

One day to decide to make the switch

POC in 5 days

Migrated to Couchbase Mobile 90 days

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Predix Go V1: In-house developed offline support

Card

Context

Offline

*“Predix is a trademark of General Electric Company”

Predix Go Client*

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Predix Go V1: Couchbase offline support

Predix Go Client

Card

Context

Couchbase-Lite CouchbaseServer

Integration

DomainData

CouchbaseMobile Sync

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Lessons Learned Mind-shift: Request/Response to using

documents as messages Couchbase Lite can be used for storing local

state Performance improves CQRS fits well with Couchbase

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Offline First We start with Mobile First We accept connectivity is an issue Enterprise apps need to sync with existing

systems Data on the device needs to be secured.

Offline login is required. Prepare to work offline UX/Interaction design needs to design in the

user interface to support offline capabilities

Offline First is the new Mobile First

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