Presentation supporting the webinar delivered by Gianfranco Boccalon on 29th April 2010 within SpagoWorld Webinar Center.

1. Version 3.0
Open Source SOA Universal Middleware
Distributed OSGi nodes with Spagic 3
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2. What you will see in this Webinar
Topics of this Webinar
Introduction: Spagic main features
Distributed Service Execution
Technical Explanation
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3. Introduction: Spagic SOA Universal Middleware
It’s aaplatform for creating new services
It’s platform for creating new services
Life-cycle management
Monitoring
Modularization
Reusability
Versioning
Standardization
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4. Introduction: Spagic SOA Universal Middleware
It’s aaplatform for composing services
It’s platform for composing services
The design of processes is done through the BPMN standard :
Opportunity to mix automatic services and human activities
Roles separation on human activities
Process Monitoring
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5. Introduction: Spagic Architecture
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6. Distributed Service Execution
This feature applies to service execution within orchestration processes
This feature applies to service execution within orchestration processes
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7. Default execution model
All services deployed on aasingle Service Manager instance
All services deployed on single Service Manager instance
A specific service is dedicated to the orchestration of other services
A specific service is dedicated to the orchestration of other services
Spagic Service Manager
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8. Default execution model
Spagic Service Manager
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9. Default execution model
Spagic Service Manager
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10. Default execution model
Spagic Service Manager
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11. Distributed execution model
ConfirmOrder
ConfirmOrder
CreditCheck
CreditCheck
NotifyNoCredit
NotifyNoCredit
InvoiceGeneration
InvoiceGeneration
…
…
Spagic Spagic
Service Manager 1 Service Manager 2
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12. Distributed execution model
ConfirmOrder
ConfirmOrder
CreditCheck
CreditCheck
NotifyNoCredit
NotifyNoCredit
InvoiceGeneration
InvoiceGeneration
…
…
Spagic Spagic
Service Manager 1 Service Manager 2
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13. Distributed execution model
ConfirmOrder
ConfirmOrder
CreditCheck
CreditCheck
NotifyNoCredit
NotifyNoCredit
InvoiceGeneration
InvoiceGeneration
…
…
Spagic Spagic
Service Manager 1 Service Manager 2
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14. Distributed execution model
ConfirmOrder
ConfirmOrder
CreditCheck
CreditCheck
NotifyNoCredit
NotifyNoCredit
InvoiceGeneration
InvoiceGeneration
…
…
Spagic Spagic
Service Manager 1 Service Manager 2
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15. Spagic Console
A single monitoring console for all Service Manager instances
A single monitoring console for all Service Manager instances
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16. Technical insight: Services Activation
How is the interaction between components performed ??
How is the interaction between components performed
The components send and receive messages
The components send and receive messages
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17. Technical insight: Services Activation
The components don’t interact directly
The components don’t interact directly
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18. Technical insight: Services Activation
Spagic Normalized Message Router
Spagic Normalized Message Router
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19. Technical insight: Services Activation
Spagic Normalized Message Router
Spagic Normalized Message Router
OSGi EventAdmin
OSGi EventAdmin
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20. OSGi Event Admin Service
Event Source
Event Source Event Source
Event Source
Send
Send Send
Send
OSGi EventAdmin
OSGi EventAdmin
Notify
Notify Notify
Notify Notify
Notify
Event Handler
Event Handler Event Handler
Event Handler Event Handler
Event Handler
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21. A Message Oriented Middleware (MOM)
The services interact with messages
The services interact with messages
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22. The Distributed Event Admin Service
Courtesy of EcpliseSource
http://eclipsesource.com/blogs/2009/06/16/distributed-osgi-eventadmin-service/
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23. Technical insight: Services Activation
Spagic Normalized
Spagic Normalized Spagic Normalized
Spagic Normalized
Message Router 11
Message Router Message Router 22
Message Router
OSGi Distributed
OSGi Distributed OSGi Distributed
OSGi Distributed
EventAdmin
EventAdmin EventAdmin
EventAdmin
Message Persistence Queue
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24. Distributed execution model
The Service Manager always “tries” to execute the service locally
The Service Manager always “tries” to execute the service locally
ConfirmOrder
ConfirmOrder
CreditCheck
CreditCheck
NotifyNoCredit
NotifyNoCredit
InvoiceGeneration
InvoiceGeneration
…
…
Spagic Spagic
Service Manager 1 Service Manager 2
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25. Distributed execution model
The Service Manager always “tries” to execute the service locally
The Service Manager always “tries” to execute the service locally
ConfirmOrder
ConfirmOrder
CreditCheck
CreditCheck
NotifyNoCredit
NotifyNoCredit CreditCheck
CreditCheck
InvoiceGeneration
InvoiceGeneration
…
…
Spagic Spagic
Service Manager 1 Service Manager 2
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26. Spagic Deployment Models
Different deployment models available
Different deployment models available
Lite Node
OSGi Service Container
Enterprise Node
ESB ESB
OSGi Service Container
Java App. Server
Custom
Application
App Library OSGi Service Container
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27. Some limitations
The feature is not available for BPEL processes
The feature is not available for BPEL processes
Apache ODE (BPEL eng)
Apache ODE (BPEL eng) Spagic Monitor
Spagic Monitor
Spagic Service Manager (Equinox OSGi)
Apache Tomcat
BPEL Apache ODE engine, extended for the use of:
OSGi Spagic connectors
OSGi Bundles, as rules engine, CEP, Quartz, mail, XSLT, HL7
Spagic Monitor for BPEL orchestration
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28. Next steps
Spagic 3 will be available on the OW2 Forge
(http://forge.ow2.org/projects/spagic) by the end of April
At now on the forge you find the release 3 RC (Release
Candidate)
On the next releases we’ll focus on the development of new
services and connectors and we’ll provide new monitoring and
management features
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29. Q&A
spagic@eng.it
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