In software engineering, success is closely associated with the process. The quality of the process ensures a quality product, and process involves people and methodologies.Over the years, WSO2 has built a lean, fully componentized middleware platform that has revolutionized enterprise middleware in the data center and in the cloud.
This session explores the engineering aspects behind the evolution of WSO2’s revolutionary middleware. Attendees who join this talk will learn some of the engineering “secret ingredients” that have enabled WSO2 take over the middleware world.

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Despite the promise of SOA to increase agility and reduce IT costs, even some of the world’s largest and best-equipped IT shops have still not implemented basic SOA principles. One factor is that even as SOA products are widely used, they are being applied without an understanding of these principles. Similarly, some IT professionals understand the core principle of loose coupling in an SOA, but they have not learned how to apply it in practice.
This tutorial will equip solution architects with an understanding of practical SOA design that is relevant to their day-to-day work. Solution architects who attend will come away with a quick, easy-to-understand, and readily applicable approach to SOA that can be used to solve a range IT challenges and reduce costs in the process.

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Cloud computing provides organizations with a new level of agility by enabling them to roll out new business applications without the usual cost and complexity of commissioning, installing, maintaining and updating on-premise systems. Software vendors already have established the cloud as a cost-effective model for deploying packaged applications—such as customer relationship management (CRM), HR, and accounting—as services. Increasingly enterprises are seeking to achieve the same benefits by delivering their own in-house cloud-based applications as a service to employees, customers and partners.
This tutorial will provide IT professionals with a foundation in cloud computing, including:

• The characteristics of cloud computing
• Discussions and hands-on demos of infrastructure as a service (IaaS), software-as-a-service (SaaS), and platform-as-a-service (PaaS) in cloud computing
• The differences between public cloud, private cloud and hybrid cloud deployments
• A survey of top cloud vendors
• Approaches for migrating business applications to cloud

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OSGi is the dynamic modular system for Java that allows developers to create Java applications with small, reusable components that foster a lean collaborative approach. This tutorial will introduce the basic concepts behind OSGi and then move to more advanced concepts. Attendees will learn about the widely used OSGi implementation named Equinox from Eclipse. No prior OSGi experience is required for this tutorial, which will be supported by a comprehensive set of demonstrations.
Topics will include:

• The need for OSGi
• The relationship between Java and OSGi
• OSGi concepts around the Module layer, Lifecycle layer and Services layer
• Tooling support for OSGi
• Service listeners and service trackers
• Declarative services
• Introduction to selected OSGi compendium services
• Introduction to Equinox P2, a provisioning platform for OSGi-based systems

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Although security needs to be an integral to any enterprise SOA, security was not considered in the early days of Web services and applications. An array of different ad-hoc technologies and standards has arisen as a result. Some of these technologies were widely adopted and have evolved over time to meet enterprise SOA needs; others have proven to be less successful.
This tutorial will introduce the widely accepted Web and SOA security technologies and standards, their applicability when securing enterprise systems, and how to use these technologies with the WSO2 middleware stack. Finally, this session will walk through some of the real-world deployments where these technologies and standards are in use and reflect industry best practices.

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WSO2 Carbon Studio extends the popular Eclipse IDE with a set of plug-ins to help developers build SOA applications that can utilize the award-winning WSO2 Carbon platform effectively and efficiently.
This tutorial will serve to demonstrate how to use these powerful tools developing various components of a complete SOA application, including:

• Write, test and debug services and clients
• Create and manage SOA metadata using WSO2 Governance Registry
• Implement mediation flows/integration patterns and deploy them to WSO2 ESB
• Model and deploy business processes written using BPEL
• Use Google Gadget technology to write User Interfaces
• Create data services out of legacy data in enterprise
• Write various extension points to the Carbon platform including Registry Handlers, Axis2 Handlers, and Carbon UI components
• Make use of various related third-party Eclipse plug-ins for productive development
• Build all artifacts created through Carbon Studio from command line Maven build support

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WSO2 Carbon platform is the base framework for all fifteen WSO2 products and Cloud services. Based on OSGi, WSO2 Carbon is lean, consistent, modular, componentized middleware platform for enterprise software. The Carbon platform consists of a powerful core set of components and numerous product-specific components that are plugged together to provide a unique set of products. These highly decoupled components can easily be added or removed from any Carbon instance.
This tutorial will provide a fundamental overview of WSO2 Carbon, including:

• An overview of the WSO2 Carbon architecture
• The advantages of a modular framework
• WSO2 Carbon platform capabilities
• Insights to how Carbon is developed and built
• A comprehensive demo on the lifecycle of a carbon component, explaining how a component is created, plugged into the platform and used
• Carbon UI framework

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Messaging, event processing, and complex event processing (CEP) play important roles within an SOA. Store and forward messaging is a key part of distributed computing implementations that require asynchronous communications. Meanwhile event processing enables enterprises to derive to new facts about the system, and CEP techniques are used to derive more events from the original events.
This tutorial will review key concepts around these technologies, including:

• JMS-based messaging with publish-consume
• Eventing with publish-subscribe
• How to use the WS-Eventing API to subscribe and publish messages
• Handling SQS queues with SOAP-based clients and an Amazon sample client API
• Complex event processing (CEP) concepts and a demonstration of how to use CEP to process event streams
• A review of MessageStore and MessageProcessor features and how to implement messaging patterns using them

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BPEL is the de-facto standard for modeling executable Web services orchestrations. The XML-based language is used for the definition and execution of business processes, as well as scientific workflows using Web services. WSO2 Business Process Server (WSO2 BPS) and Apache Orchestration Director Engine (ODE) are two WS-BPEL-compliant business process executable workflow engines that support the composition of Web services by orchestrating service interactions.
This tutorial will explore advanced concepts in WS-BPEL 2.0 and extensibility in WSO2 BPS, including:

• Fault handling
• Compensation handling
• Selective, multiple, and concurrent event processing
• Message correlation
• Parallel processing
• An introduction to ODE extensions
• Future improvements with the extensions

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WSO2 ESB is a lightweight and easy-to-use open source enterprise service bus (ESB) available under the Apache Software License v2.0. It allows enterprises to leverage WSO2 ESB's simple and easy-to-configure interfaces to address requirements, such as message routing, virtualization, intermediation, transformation, transport switching, logging, task scheduling, load balancing, fail-over routing, event brokering and much more.
This tutorial will provide an architectural overview of WSO2 ESB and supporting technologies, as well as a review of actual scenarios that attendees may encounter in their own enterprises. Topics will include:

• Modularity inherited from the componentized WSO2 Carbon framework on which WSO2 ESB is based
• Inclusion of an asynchronous engine based on Java NIO to handle very high loads
• ESB operation model
• Configuration language
• Introduction to mediation (proxy services, sequences and endpoints)
• Sample use case scenarios

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The move to cloud computing is placing new demands on how data is managed and stored. This tutorial will examine the challenges of managing large-scale data and the different solutions available today. The WSO2 Stratos cloud middleware platform will be used to discuss and demonstrate how data challenges in the cloud can be solved in a practical deployment.
Topics in this tutorial will include:

• Data characteristics, CAP Theorem, and data architectures
• PaaS and scaling relational storage for multiple tenants
• Large-scale, multi-tenant data and high throughput with Apache Cassandra
• In-memory data within an application architecture
• Large Scale Unstructured Data with Apache HDFS and Hadoop

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Web applications are a key component in presenting the business to end users and partners. Web services complement these applications by providing a mechanism for enabling the integration between disparate software systems and providing access to business-critical data.
WSO2 Application Server features a lightweight model that makes it easy to develop, deploy, manage and monitor Web applications and Web services. The completely open source, enterprise-ready server is based on Apache Tomcat and Apache Axis2, the world’s most popular Web application server and Web services engine, and it offers features to enable clustering and high availability.
This tutorial session will cover:

• Writing, deploying and debugging Web applications and Web services using WSO2 Application Server and Carbon Studio tools
• Monitoring Web applications and services
• Securing Web applications and services
• Best practices in writing and deploying Web applications and services on the WSO2 platform

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In the modern enterprise, complex business applications, processes and services rely on the interaction between new and existing systems. The enterprise service bus (ESB) plays a central and increasingly extensive role in enabling the heterogeneous system integration to meet this demand.
This tutorial will explore:

• Common enterprise integration patterns (EIPs)
• Message stores and message processors
• ESB templates
• Business adaptors to support SAP and FIX integration

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