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Open Data Protocol (OData)


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Pablo Castro, inventor of the OData protocol at Microsoft, describes the application of OData to the management of life science data in a presentation delivered in an open meeting and webinar of the Pistoia Alliance Technical Committee.

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Open Data Protocol (OData)

  1. 1. Open Data Protocol (OData)<br />Pablo CastroSoftware ArchitectMicrosoft<br /><br />
  2. 2. Industry Trends<br />Data Silos -> Open Data<br />Impacts government, science and enterprise<br />Web Sites -> Web APIs<br />Device/Language/Runtime proliferation <br />On Premises -> Cloud<br />Includes shift to Web API’s<br />APIs need to support both on-premises and cloud<br />
  3. 3. Data Sharing<br />Effective data sharing is tricky<br />Avoid imposing how data should be accessed<br />Provide a uniform interface to all data<br />Maintain consistency & business logic rules<br />Semantics may come with data or added separately<br />Enabling interoperability<br />Build on existing infrastructure<br />HTTP, JSON, etc.<br />Establish common patterns<br />Most data services need filters, sorting, paging, etc.<br />
  4. 4. OData in 1 Slide<br />Uniform way of representing structured data<br />Atom, JSON formats<br />Uniform URL conventions<br />Navigation, filtering, sorting, paging, etc.<br />Uniform operations<br />Addressability<br />GET, POST, PUT, DELETE always mean the same<br />Keep the barrier of entry as low as possible<br />
  5. 5. Using OData<br />Server frameworks<br />WCF Data Services (.NET), odata4j (java), Ruby<br />Client environments<br />Android, iOS, Windows Phone 7, HTML/JavaScript, Silverlight, Java, PHP<br />Products<br />Microsoft: SharePoint, Dynamics, Reporting Services, …<br />Other companies: IBM, SAP, WebNodes, Telerik, Tableau, Pebble Reports, …<br />
  6. 6.<br />