Why You Should Embrace Sustainability (But Not For The Reason You May Think)
There’s no doubt that humanity has an obligation in our stewardship of this planet. Even beyond just making sure we have a place to live in 50 years, it should be a moral imperative. 但让我们暂时忽略这一点. 让我们忽略恐吓战术, 散布恐惧, and the many ways that we fail to understand the difference between causation and correlation when looking at both immediate and historical climate data.
要真正产生影响，我们必须投入 可持续性 在我们能理解的范围内. 是很困难的, 无论是个人还是企业, sometimes to grasp the very huge concept of climate change and 然后 commit to “可持续性 efforts” as a way to have an impact. 但是当有上下文的时候, 可持续性 efforts can be achieved without actually trying to focus on them in particular. 在流媒体行业，这种背景就是权力.
通过整个流工作流程的电源线程. From encoders to devices, from content development to transmission, power links everything together. 但权力本身并不是一种衡量标准. 生产所需的能量, 交付, and render a single frame of video is a result of efficiency. When elements within the streaming workflow are not efficient, they tend to use more power. For example, a screen turned up too brightly requires more power (and to be recharged more often). An AI application being used too dynamically render captions for streaming content that is not programmed efficiently could use extra cores, 需要更大的云实例, 或者固定一个CPU更长时间, 所有这些都需要更多的动力. And those power requirements can have a cascading effect. Poorly performing software can require more boxes which require more rack space which require more power. And, as Dom Robinson has pointed out in his work within GreeningofStreaming, the cloud services that many streaming workflows rely on have unused capacity that is just on and waiting. 这也需要能量.
流媒体运营商, 然后, embracing 可持续性 is about embracing efficiency. And efficiency has a demonstrable impact on the bottom line. 更好的软件效率意味着更少的内核需求, 例如, 哪个可以等同于更便宜的云实例. Better management efficiency can mean improved business logic for managing the elasticity of the workflow, which can result in instances being up for less time resulting in lower overall costs.
But there is also efficiency within the software itself. 当应用, context-aware encoding 例如 can reduce the amount of CPU required to produce a specific frame of video. Employing business logic for 交付y can have an impact too. High-bitrate内容, 比如1080p60视频, when streamed to small screens (which can render the content but the human eye can’t discern the depth) is wasteful. It keeps sessions open longer which requires more sustained compute and can even require additional caches as the output can fill up NIC capacity sooner. 更多的 caches equals more instances or more boxes equals more power.
流媒体运营商, efficiency can reduce the amount of infrastructure needed to 交付 a high-quality video experience. 例如，考虑如何 清漆, a very popular reverse proxy cache in many streaming 交付y architectures, has optimized performance on specific Intel Xeon chips resulting in up to a 90% reduction of power. 因此, this reduced cost is reflected in margins which has a demonstrable impact on share price. 甚至还有其他的相关性. Better efficiency can improve scalability and resilience by requiring less elasticity to support increased demand or failover.
To 拥抱可持续发展, 然后, 流媒体行业应该关注效率, which is something that can be addressed at each stage of development and implementation. Waiting until you’re ready for deployment and asking the question, “我们如何确保这是有效的?太迟了. 软件工程师, 开发人员, devops, 操作, 产品经理, and everyone in between has to ask that question at each stage.
最终的结果? A more efficient workflow requiring less power and, ultimately, generating more revenue. 双赢.
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