Using OData to build great customer experiences on any device by Lance Olson
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OData is an open data protocol for querying and updating data across various services, applications, and cloud platforms. It provides a common way to access information through services by enabling querying on properties, navigation over relationships, paging through results, and CRUD operations on resources like customers. Using OData solves issues with custom client development and interface maintenance, while encouraging reuse of data in ways not originally foreseen. The protocol is implemented across various Microsoft products as well as third party systems, with the .NET client code released under an open source license.
![Today’s Service Interfaces
Customers[] GetCustomersByZip(zip)
Customers[] GetCustomersByZip(zip, skip, take)
Customers[] GetCustomersByZip(zip, skip, take, sort)
Customers[] GetCustomersByRegion(region, skip, take)
Customers[] GetCustomersByRegion(region, skip, take, sort)
…
Problems with this approach:
Clients are very limited in what they can do generically – Each
service requires its own custom clients (N * N problem)
Leads to “interface bloat” – cost of maintenance
More likely to result in data silos with limited potential for reuse](https://image.slidesharecdn.com/odataseattle20deploy1182010-101115201406-phpapp01/85/Using-OData-to-build-great-customer-experiences-on-any-device-by-Lance-Olson-4-320.jpg)
Using OData to build great customer experiences on any device by Lance Olson
- 1. OData: The Open Data Protocol
- 3. Windows iPhone Browser Windows Phone Silverlight Web Site Web API webOS S E R V I C E S POWERING EXPERIENCES
- 4. Today’s Service Interfaces Customers[] GetCustomersByZip(zip) Customers[] GetCustomersByZip(zip, skip, take) Customers[] GetCustomersByZip(zip, skip, take, sort) Customers[] GetCustomersByRegion(region, skip, take) Customers[] GetCustomersByRegion(region, skip, take, sort) … Problems with this approach: Clients are very limited in what they can do generically – Each service requires its own custom clients (N * N problem) Leads to “interface bloat” – cost of maintenance More likely to result in data silos with limited potential for reuse
- 5. What if we had a common way to access information through services? Customer is a resource that supports: Query on properties Navigation over relationships Paging through results Create, Read, Update, Delete operations Solves key problems with today’s service interfaces Enables a broad ecosystem of reusable clients Simplifies interface maintenance – lowers cost Encourages reuse of information, including in ways not foreseen at the time the service was created
- 6. Open Data Protocol (OData) A Web protocol for querying and updating data that provides a way to unlock your data and free it from silos that exist in applications today.
- 10. OData Ecosystem – Current implementations Enterprise Consumer Government/Public Developer PowerPivot Pivot Open Gov. Data Initiative .NET SQL Server Reports (producer) Netflix Edmonton, CA Silverlight Client SharePoint iPhone Vancouver, CA Java Client WebSphere Windows Live Dallas (Many sources) PHP Client Dallas (many sources) Facebook insights CDYNE* AJAX Client SQL Azure Microsoft MediaRoom European Env Agency* iPhone Dynamics NAV Twitpic UK Government* Mono/Mono Touch Client Dynamics CRM eBay Data.Gov* Telerik Open Access Next Gen Active Directory DigitalMap* Recovery.Gov* Intersoft Solutions MS Pinpoint ESRI* MelissaData* ComponentOne Powershell WeatherBug* United Nations* LinqPad Office 15 Boundary Solutions* World Bank* OData4J Tellago SO-Aware Stats.Com* DB40 Zillow.com* WCF RIA Services Windows Azure Table Storage OpenLink Virtuoso Stack Overflow PHP Server (in development) Ruby on Rails Windows Phone 7 Light Switch * Available through DataMarket.Azure.com
- 11. Standards / Openness OData Based on AtomPub, HTTP, JSON Released under the Open Specification Promise ○ Implemented by multiple 3rd parties including IBM WebSphere .NET client source code Released under Apache 2.0 license http://odata.codeplex.com/
- 12. Contact Information [email protected] www.odata.org http://msdn.com/data
- 13. © 2009 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
Editor's Notes
- #4: Browser is co-equal with other clients and run-time experiences The web api is at the center SpE is happening today and is everywhere around you