Back in November, Microsoft revealed that the upcoming Windows 10 OS would include the AllJoyn software stack from the Qualcomm-backed AllSeen Alliance. Now, Microsoft has donated its Device System Bridge (DSB) software to the AllJoyn cause (and GitHub), and open sourced the code, signaling another creeping win for the device discovery and control protocol. The DSB was released by the AllSeen Alliance this week, with the promise that it “enables interoperability with legacy and purpose-built networks, quickly and cost-effectively bringing these devices into the AllJoyn open source software framework.” This looks like another stride ahead of its OIC-backed rival IoTivity for AllJoyn. The idea AllJoyn itself is to create a common language that is spoken by devices, so that they…