Momentum 2008 part 1

November 11, 2008 at 4:22 pm | Posted in Architecture, D6, Momentum | 2 Comments
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All this week I am at Momentum in Prague. It’s a great opportunity to catch up with Documentum employees, partners and users, and also to see what is going in the Documentum world.

I arrived yesterday morning, and attended the Sharepoint Integration product advisory forum. The forum was run by Erin Samuels and Andrew Chapman. The session centred around a number of topics relating to Sharepoint-Documentum integration.

First of all there was a round-table on the kind of integration scenarios people were facing. Interestingly, and reassuringly, there seem to be far fewer ‘maverick’ implementations as Andrew called them. Maverick implementations are where sharepoint is installed as a generic application that can be just configured and used by any department and team without any kind of guidance or direction from IT. This leads to silos of information and lack of control of any kind over the information. Whilst departments like this quick and easy delivery of applications it stores up problems for the organisation as it is no longer able to utilise or manage enterprise-wide data.

Andrew then talked about a new product that is due to come out called Journalling. Whilst I don’t think the naming is great (maybe that’s not how it is going to be sold but it was certainly the name used for the technology) the principle was very powerful. It uses the Microsoft-provided Sharepoint EBS interface to allow you to redirect where sharepoint stores its data. By default sharepoint will store content and metadata in a SQL server database. Each sharepoint instance will require a sql server instance (apparently) and this can easily become a big data management problem. Furthermore as sql server stores all content as BLOBs (Binary Large OBjects) there can be scalability issues.

With Documentum EBS implementation, content is (transparently to the user) stored in a Documentum repository rather than SQL server (there is just a ‘journal’ entry in sharepoint representing the object). This provides all kinds of useful benefits such as being able to leverage Documentum’s data storage scalability, EMC hierachical storage management, de-deduplication and so on.

At this point there was a big discussion around a point introduced by Andrew. Since the data is now stored in Documentum we can access it via Documentum clients; for example you average user might be creating content in sharepoint across the organisation, but you have power users who need the full power of Documentum interfaces to work with the data. But what operations should documentum clients be allowed on sharepoint originated data? Read or other types of operation that don’t modify the content/metadata are fine, but should we allow update or delete access? If yes then there is additional work required as right now an update outside of sharepoint would cause sharepoint to throw an error the next time a user accesses the object. Predictably there was an almost equal 3-way split over who wanted no Documentum access, read-only/no-modify access and total control.

Later on I got to meet up with some people that I only know from the Documentum forums and blogs: Johnny Gee, Erin Riley and Jorg Kraus. It was great to finally get to speak to these guys after years of interacting over the web.



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  1. […] Some of the information is under NDA, and some may have changed, so I’ll let you read his gleanings from the session.  At the time, it appears that EBS was the leader between the […]

  2. […] Some of the information is under NDA , and some may have changed, so I’ll let you read his gleanings from the session.  At the time, it appears that EBS was the leader between the […]

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