Varnish Software is promising a sustainability breakthrough around the turn of 2023. The Swedish CDN software specialist is close to crunching CDN power consumption down to 1GB per Watt, a huge saving over the company’s current average claim of 386MB per Watt. This comes following Faultline’s quizzing of Varnish Software’s CTO Frank Miller at Streaming Media West this week, one of very few takeaways from an otherwise toothless panel on reducing power consumption in media and entertainment. Miller assures us Varnish Software is “well beyond” the Netflix benchmarks. Even as a founding member of Greening of Streaming, we must stay skeptical of Varnish’s claims, when comparing price performance and power consumption. We understand that a framework for creating a CO2…