Lightweight orchestration with WSO2 Enterprise Service Bus
Nadeesha Gamage
© WSO2 2013. Not for redistribution. Commercial in Confidence.
About WSO2
• Providing the only complete open source componentized cloud platform
– –
Dedicated to removing all the stumbling blocks to enterprise agility Enabling you to focus on business logic and business value
• Recognized by leading analyst firms as visionaries and leaders – Gartner cites WSO2 as visionaries in all 3 categories of application
infrastructure
Forrester places WSO2 in top 2 for API Management –
• Global corporation with offices in USA, UK & Sri Lanka – 200+ employees and growing
• Business model of selling comprehensive support & maintenance for our products
150+ globally positioned support customers
WSO2 Product Map
Service Orchestration in SOA
• Coordinating and accessing multiple fine grained
services from a single coarse-grained service.
Client only has visible to a single coarse-grained
service.
Multiple other fine grained services are invoked
from the coarse-grained service which are not
directly visible to the client.
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Service orchestration in SOA
Service orchestration in SOA for
• Blocking backend services – Service dependency
exist. Response of one service is required for the
next service.
Service orchestration in SOA for
• Non Blocking backend services – Services are not
depended on each other and can be invoked
simultaneously.
Service orchestration in SOA with the WSO2 ESB
WSO2 Enterprise Service Bus
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A lightweight, high performance ESB Feature rich and standards compliant • • •
SOAP and WS-* standards REST support Domain specific protocol support (eg: FIX)
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User friendly and highly extensible 100% free and open source with commercial support
WSO2 ESB - Some Functional Components
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Mediators
Sequences
Endpoints
Proxy Services
Event Sources
Priority Executors
Message Stores
Tasks Local Entries Registry
Mediators
Rich mediator library, wherein most cases a single mediator can be directly mapped to an EIP.
http://docs.wso2.org/wiki/display/ESB470/Mediators
WSO2 Developer Studio
How WSO2 Developer Studio can be Service Orchestration
used for
• Message Mediation Sequences, Proxy Services,
Data Transformations
Custom Mediators
Endpoints, Local Entries
• Create deployable artifacts that can be bundled and deployed to WSO2 ESB.
WSO2 Carbon artifact deployment
Blocking backend services with the WSO2 ESB
Blocking backend services with the WSO2 ESB
Scenario
• Client invokes a proxy service that would access two backend services to get the • •
Price based on the Product Code
Tax based on the State and the Price
• Client code.
Client
invocation would contain the Product Code and the State
• Receives the Tax applicable for the product.
Blocking backend services with the WSO2 ESB
Non blocking backend services
Non blocking backend services
Scenario
• Client invoking a proxy service that would services to get the
access two backend
• •
Price based on the Product Code Product description based on the Product Code
• •
Client invocation would contain the Product Code Client Receives the Product Price and the Product Description.
Non blocking backend services
Engage with WSO2
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Helping you get the most out of your deployments
From project evaluation and inception to development
and going into production, WSO2 is your partner in
ensuring 100% project success
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