Nine months after we first heard that Amazon was poised to join the Streaming Video Alliance, the firm has finally put pen to paper by signing up its AWS cloud technology arm. Members don’t come much bigger than AWS, and the latest addition is a huge boost for promoting technical collaboration across the OTT video industry. With Netflix now relying heavily on AWS infrastructure as well as investing R&D dollars in its own streaming technologies, we would not be surprised to see the world’s largest streaming company become the next significant member of the Alliance. However, despite the Streaming Video Alliance boasting some major members, it is less common for giant companies or service providers to join groups pushing for…