The document provides an overview of workflows in SharePoint 2013, including the new workflow architecture using Workflow Manager 1.0. Key points include: - Workflows are now built on Windows Workflow Foundation 4 and use a new service-based architecture for improved scalability. - Workflow Manager 1.0 handles workflow execution separate from SharePoint for better performance and supports both on-premises and Office 365 deployments. - Workflows can be created using Visio 2013, SharePoint Designer 2013, or Visual Studio, and are managed through PowerShell modules. - The new architecture provides improved tools, capabilities like stages and loops, and supports calling web services within workflows.

1. Workflows
SharePoint 2013

2. Agenda
• History of Workflows
• Overview
• New Workflow Architecture
• Workflow Manager 1.0
• Visio 2013 & SharePoint Designer 2013
• Visual Studio Workflow
• Workflow Types
• Workflow Manager 1.0 in Depth

3. History of Workflows
• SharePoint 2003
• No OOB Workflows
• 3rd Party
• SharePoint 2007
• Windows Workflow Foundation in .NET Framework 3
• Hosted Workflow Foundation Runtime
• WF dependent services implemented by SP
• SharePoint 2010
• Same core architecture as MOSS 2007
• .NET Framework 3.5 SP1
• Visio for Business Analyst
• Site workflows & Reusable workflows

4. Pre SharePoint 2013 Workflows
• Visual Studio developed workflows
• Limited to farm solutions (fully trust)
• Only available in On-Premises
• No support for Office 365
• Knowledge of Workflow API
• Development & deployment of Custom forms
• Lack of transparency
• What workflows were deployed / are running
• History of previously run workflows
• Scalability directly tied to SharePoint

5. Workflow overview
• Automating business processes.
• Build on Windows Workflow Foundation 4

6. Workflow glossary of terms
• Workflow Definition
• Create in Visual Studio
• Not in SharePoint Designer
• Workflow Association / Subscription (Creation of a Service Bus Topic)
• Workflow Instance
• Workflow Episode
• Supporting Artifacts
• Workflow Tasks List
• Workflow History List

7. Workflow Tools
• Out of the box workflows
• Power User / Business Analyst /
• Visio 2013
• SPD 2013
• Developers
• Visual Studio 2013
• Office Developer tools for VS

8. New Architecture

9. Workflow Manager 1.0
• Product built by Windows & Azure Teams
• Flexible deployment model
• On-Premises SharePoint 2013 deployment
• In the Cloud for Hosted SharePoint 2013 (Office 365)
• Works the same way
• Workflow Manager Farm
• SharePoint 2013 & Workflow Manager 1.0

10. Architecture & Scaling
• Major Components
• Workflow Front End (SharePoint / Web Service)
• Service Bus (Pub / Sub model)
• Workflow Back End (Windows Service)
• Scalability
• Can reside on SharePoint Servers or different servers
• HTTPS (for Production)
• HTTP (for Dev)
• Can stay behind a load balancer

11. Installing Workflow Manager 1.0
• Acquire Workflow Manager 1.0
• Web Platform Installer
• Web Platform Installer Command line
• Download Workflow Manager + Prerequisites
• Install Workflow Manager + Prerequisites
• Install Workflow Manager 1.0 Client on SharePoint 2013 Servers
• Proxy used by SharePoint Server to communicate with the Workflow Manager REST API
• Workflow Manager Tools for Visual Studio
• Adds tools Visual Studio for development and debugging of Workflows

12. Configuring Workflow Manager 1.0
• Create the Service Bus & Workflow Manager Farm
• Run the Workflow Manager configuration wizard
• Create the databases & provision the Service Bus & Workflow Manager Farm
• Also generate PowerShell Scripts to provision via PS
• Associate SharePoint 2013 & Workflow Manager 1.0 Farm
• Only needs to execute association one time per farm
• Target site is just endpoint for Workflow Manager to call

13. Management of Workflow Manager 1.0
• All management is done using PowerShell
• PowerShell Module: Workflow Manager
• Load Manually
• Load Automatically
• Workflow Manager PowerShell
• Two Types of PowerShell Management command
• Deployment – Microsoft.Workflow.Deployment.Commands
• Security – Microroft.Workflow.Commands
• Workflow Manager Best Practice Analyzer

14. Updating Workflow Manager 1.0
• Workflow Manager 1.0 RTM shipped prior to SharePoint 2013 RTM
• Azure Service – February cumulative update
• KB2799752: Service Bus 1 Cumulative Update 1
• KB2799754: Workflow Manager Cumulative Update 1
• Suspend & Resume workflow capabilities
• Unhandled & Validation error termination
• Configuration Wizard
• Long integer
• Performance & Debugging
• SharePoint 2013 March 2013 Public update (KB2767999)
• Office developer tools for Visual Studio

15. Updating Workflow Manager 1.0 Cont…
• Install Azure Service Updates
• Service Bus 1.0 Cumulative Update 1
• Workflow Manager 1.0 Cumulative Update 1
• Workflow Manager 1.0 Cumulative Update 1 via WebPI
• Installs Service Bus 1..0 CU as a Prerequisite
• SharePoint 2013 March 2013 Public Update
• After update, rerun the workflow registration service with force

16. Visio 2013
• What's New & Improved
• Added support for stages
• Shape Properties can be modified
• Exporting made simple
• Demo

17. SharePoint Designer 2013
• What’s New
• Stages
• Loops
• Visio visual designer in SPD 2013
• Cut, Copy, Paste 
• Support for calling Web Services
• Demo

18. Architecture – In depth

19. Model based on Pub Sub

20. Q&A