OpenDaylight is an open source SDN platform developed under the Linux Foundation. It aims to promote adoption of SDN through an industry-supported common platform. OpenDaylight has over 31,000 commits from nearly 700 contributors, representing over 2.6 million lines of Java code. It is used in over 150 commercial deployments and integrates with OpenStack for network virtualization and NFV services. Future releases will improve scaling, performance, and application integration through projects like Genius and NetVirt.