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Open Source SOA Universal MiddlewareDistributed OSGi nodes with Spagic 3

Version 3.0

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What you will see in this Webinar

Topics of this Webinar

� Introduction: Spagic main features

� Distributed Service Execution

� Technical Explanation

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Introduction: Spagic SOA Universal Middleware

� Life-cycle management

� Monitoring

� Modularization� Reusability

� Versioning

� Standardization

It’s a platform for creating new servicesIt’s a platform for creating new services

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It’s a platform for composing servicesIt’s a 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

Introduction: Spagic SOA Universal Middleware

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Introduction: Spagic Architecture

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This feature applies to service execution within orchestration processesThis feature applies to service execution within orchestration processes

Distributed Service Execution

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Default execution model

Spagic Service Manager

All services deployed on a single Service Manager instanceA specific service is dedicated to the orchestration of other services

All services deployed on a single Service Manager instanceA specific service is dedicated to the orchestration of other services

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Default execution model

Spagic Service Manager

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Default execution model

Spagic Service Manager

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Default execution model

Spagic Service Manager

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Distributed execution model

SpagicService Manager 2

SpagicService Manager 1

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InvoiceGenerationInvoiceGeneration

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Distributed execution model

SpagicService Manager 2

SpagicService Manager 1

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ConfirmOrderConfirmOrder

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InvoiceGenerationInvoiceGeneration

……

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Distributed execution model

SpagicService Manager 2

SpagicService Manager 1

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ConfirmOrderConfirmOrder

NotifyNoCreditNotifyNoCredit

InvoiceGenerationInvoiceGeneration

……

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Distributed execution model

SpagicService Manager 2

SpagicService Manager 1

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ConfirmOrderConfirmOrder

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InvoiceGenerationInvoiceGeneration

……

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Spagic Console

A single monitoring console for all Service Manager instancesA single monitoring console for all Service Manager instances

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Technical insight: Services Activation

How is the interaction between components performed ?The components send and receive messages

How is the interaction between components performed ?The components send and receive messages

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Technical insight: Services Activation

The components don’t interact directlyThe components don’t interact directly

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Technical insight: Services Activation

Spagic Normalized Message RouterSpagic Normalized Message Router

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Technical insight: Services Activation

Spagic Normalized Message RouterSpagic Normalized Message Router

OSGi EventAdminOSGi EventAdmin

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OSGi Event Admin Service

Event SourceEvent Source

OSGi EventAdminOSGi EventAdmin

Event SourceEvent Source

Event HandlerEvent Handler Event HandlerEvent Handler

SendSend

Event HandlerEvent Handler

NotifyNotify

SendSend

NotifyNotify NotifyNotify

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A Message Oriented Middleware (MOM)

The services interact with messagesThe services interact with messages

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Courtesy of EcpliseSourcehttp://eclipsesource.com/blogs/2009/06/16/distributed-osgi-eventadmin-service/

The Distributed Event Admin Service

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Technical insight: Services Activation

Spagic NormalizedMessage Router 1

Spagic NormalizedMessage Router 1

OSGi DistributedEventAdmin

OSGi DistributedEventAdmin

Message Persistence Queue

Spagic NormalizedMessage Router 2

Spagic NormalizedMessage Router 2

OSGi DistributedEventAdmin

OSGi DistributedEventAdmin

Spagic NormalizedMessage Router 2

Spagic NormalizedMessage Router 2

OSGi DistributedEventAdmin

OSGi DistributedEventAdmin

OSGi DistributedEventAdmin

OSGi DistributedEventAdmin

Spagic NormalizedMessage Router 2

Spagic NormalizedMessage Router 2

OSGi DistributedEventAdmin

OSGi DistributedEventAdmin

Spagic NormalizedMessage Router 2

Spagic NormalizedMessage Router 2

OSGi DistributedEventAdmin

OSGi DistributedEventAdmin

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Distributed execution model

The Service Manager always “tries” to execute the service locallyThe Service Manager always “tries” to execute the service locally

SpagicService Manager 2

SpagicService Manager 1

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ConfirmOrderConfirmOrder

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InvoiceGenerationInvoiceGeneration

……

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Distributed execution model

The Service Manager always “tries” to execute the service locallyThe Service Manager always “tries” to execute the service locally

SpagicService Manager 2

SpagicService Manager 1

CreditCheckCreditCheck

ConfirmOrderConfirmOrder

NotifyNoCreditNotifyNoCredit

InvoiceGenerationInvoiceGeneration

……

CreditCheckCreditCheck

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Spagic Deployment Models

Enterprise Node

OSGi Service ContainerOSGi Service Container

ESBESB

Lite Node

OSGi Service ContainerOSGi Service Container

Java App. Server

OSGi Service ContainerApp Library

CustomApplication

Different deployment models availableDifferent deployment models available

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Some limitations

� 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

Apache ODE (BPEL eng)Apache ODE (BPEL eng)

Spagic Service Manager (Equinox OSGi)

Apache Tomcat

Spagic MonitorSpagic Monitor

The feature is not available for BPEL processesThe feature is not available for BPEL processes

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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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Q & A

spagic@eng.it