http://Learning-Layers-euhttp://Learning-Layers-eu

Learning Layers

Scaling up Technologies for Informal Learning in SME Clusters

Unpacking the Layers Box

Cloud Infrastructure to Support Workplace Learning

István Koren and Ralf Klamma, RWTH Aachen University

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http://Learning-Layers-eu

Public Clouds

- Is There a Safe Harbor at all?

• Data is possibly at risk in public clouds

– Who owns your data?

• User authentication

– How safely are passwords stored?

• Data center location

– Is a data center in overseas really good for yourlatency?

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http://Learning-Layers-eu

Layers Box

• Ready-to-deploy, custom packagedinfrastructure

• Industry-strength user management

• Pre-installed Web apps from LAPPS

• Microservices with open APIs

• Flexible deployment options

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http://Learning-Layers-eu

Layers Box Delivery Models

• Small-scale– Cheap commodity hardware

– For small companies

• Medium-scale– Server hardware

– Networks of SMEs

• Hosted– Trusted cloud environment

– Hybrid infrastructure

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Flexible deployment options of the Layers Box

http://Learning-Layers-eu

Unpacking the Layers Box

http://Learning-Layers-eu

Unpacking the Layers Box

http://Learning-Layers-eu

APIs for Mobile Apps

• Configurable to use specific Layers Box instance

• E.g., Ach so! tool for mobile video annotation

• Microservice API usage

– OpenID Connect

– Cloud storage

– Annotation services

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Ach so! app on an Android tablet

http://Learning-Layers-eu

Layers Adapter

• Reverse proxy for managing incoming API requests

• Monitoring andlogging

• Load balancingof microservices

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Layers Adapter for proxying and logging

http://Learning-Layers-eu

DevOpsUse Lifecycle