Open Caching has a new operator win, with Japanese incumbent cableco Jupiter Communications (J:Com) deploying a system from US-based vendor Qwilt to boost network capacity and enhance video quality. As always with any PR around Open Caching, however, we aren’t convinced by the weak arguments in favor of quality improvements, which we do not see outweighing the cost-saving benefits of the technology. With the announcement highlighting improving the quality of live streaming, along with VoD content and other media applications delivered through the J:Com network, this latest client scalp is an attempt by Qwilt and the Streaming Video Technology Alliance to convince service providers that Open Caching can be a salve for live streaming too. Live peak audiences of major…