Workflow 1.0 beta provides new Azure functionality:
You can view my full presentation on this here: http://www.slideshare.net/joshuareuben9/azure-workflow
I’ll bet this is released around Build Conference.
Below is a short summary:
Workflow Farm
- New distributed node managed host infra for executing workflows
- Scale-out load-balanced infrastructure: out of the box
Service Bus Orchestration
- PAAS messaging fabric process manager
- pipelines, transformations, routing, message validation
- support for reading, writing and correlating workflows directly from Service Bus messages (Queues and Topics)
- dependent on Service Bus for storing workflow persisted state and starting workflows
monitoring & managing running workflow instances - Health monitoring, custom configuration
- REST API
- client library
- Azure portal
New messaging capabilities integrated with hosting runtime
- REST web services
- Azure Service Bus
Notifications
- Workflow instances are created and resumed via notification messages
- delivered asynchronously to all workflow instances that match the filter
DynamicValue
- Hierarchical dynamic data structure
- used for passing complex data in/out of a workflow
- Automatically serialized as JSON
New Activities and Trusted Activity Whitelist
- calling http services
- working with JSON through DynamicValue composition hierarchies

Scope
- container for Activities, Workflows, Instances, configuration and child Scopes
- provides a boundary for multi-tenancy and messaging (notifications)
- Multiple level of nested scopes - –Permissions and config flow down hierarchy
Enjoy 