What is WODA?
In addition to offering scalable algorithms that run on large datasets, Microsoft R Server offers the ability to deploy those algorithms on multiple platforms with minimal changes to the code structure. This is referred to as WODA, which stands for write once and deploy anywhere. WODA is an abstraction layer. It allows the data scientist to develop code locally (on a single machine and using smaller datasets) but deploy it in environments such as Hadoop, Spark or SQL Server without having to change the code too much and without having to know too much about what goes on under the hood in such environments when the code is deployed.
More information on WODA can be found here.