FYI,as briefly discussed in the recent past [1], we have started working on the integration library between OpenJPA and MS SQL Azure federations [2].
Any comment / contribution is very welcome. Regards.[1] http://openjpa.208410.n2.nabble.com/Experimenting-with-MS-SQL-Azure-federations-td7579852.html
[2] https://github.com/Tirasa/OpenJPASQLAzure -- Francesco Chicchiriccò ASF Member, Apache Cocoon PMC and Apache Syncope PPMC Member http://people.apache.org/~ilgrosso/
