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Stefan de Konink
Day Saturday
Room H.2213
Capacity 100
Start time 16:00
End time 16:30
Duration 00:30
Track Jabber and XMPP Devroom

Applications: PubSub in the Dutch Railways API

Implementation of PubSub, Service Discovery and User Location on top the Dutch Railways API.

Dutch Railways has opened up an API to their presentation layer. The API hooks into the back office and contains similar data as can be found on stations and their website. The system is pull based, and has a limitation of 40k request per unique API key, the format: XML.

The openOV project removed the requirement for the API key by acting as open proxy, caching request and offering a PubSub allowing subscriptions to specific stations. Upon changes any subscriber gets informed, in realtime. Additional views in virtual nodes were made to retrieve data of a single train passing by stations.

Some commercial partners popped up such as doing BOSH, to our service.

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