延迟多少毫秒不卡
SpaceX disclosed the benchmarks in a presentation the company sent to the FCC last Friday. It also revealed the public beta for Starlink is coming to multiple US states.
SpaceX在该公司上周五发送给FCC的演示中披露了这些基准。 它还显示Starlink的公开测试版即将在美国多个州发行。
By Michael Kan
由 迈克尔·侃
SpaceX says its satellite internet service, Starlink, has achieved a latency under 20 milliseconds, which is on a par with ground-based broadband.
SpaceX表示，其卫星互联网服务Starlink的延迟不到20毫秒，与地面宽带相当。
SpaceX included the data in a presentation it sent to the FCC last Friday, which was spotted by Reddit users. The two benchmark tests, conducted using Ookla’s Speedtest.net service, show Starlink achieving a 102 to 103Mbps download rate, 40 to 42Mbps upload rate, and a latency of 18 to 19ms. (Note: Ookla is owned by Ziff Davis, PCMag.com’s parent company.)
SpaceX将数据包含在上周五发送给FCC的演示文稿中，该演示文稿被Reddit用户发现。 使用Ookla的Speedtest.net服务进行的两项基准测试显示，Starlink的下载速率为102至103Mbps，上传速率为40至42Mbps，延迟为18至19ms。 (注意：Ookla由PCMag.com的母公司Ziff Davis拥有。)
The presentation slide. The third Speedtest score appears to be a repeat. (Credit: SpaceX) 演示幻灯片。 第三个Speedtest分数似乎是重复的。 (来源：SpaceX)The presentation is also attached to a letter from SpaceX’s director of satellite policy, David Goldman, which says initial beta tests for Starlink are hitting below 30ms on latency. (For comparison, the average latency for fixed broadband in the US is 25ms, while the rate on mobile networks is at 48ms, according to Speedtest.net.)
演示文稿还附在SpaceX卫星政策总监David Goldman的信中，该信说Starlink的初始beta测试的延迟低于30ms。 ( 根据 Speedtest.net的数据，在美国，固定宽带的平均延迟为25毫秒，而移动网络的平均延迟为48毫秒。)
SpaceX made the filing a day after the company publicly boasted that Starlink is already achieving download rates higher than 100Mbps. The benchmarks provided to the FCC indicate the company isn’t exaggerating.
在该公司公开吹嘘 Starlink已经实现了高于100Mbps的下载速度的第二天，SpaceX就提交了该文件。 提供给FCC的基准表明该公司并未夸大其词。
Interestingly, both benchmarks occurred on June 30, and in Seattle, Washington, at a time when SpaceX only had about 500 Starlink satellites in orbit. The company now has more than 700 satellites around the planet, which will likely improve coverage and data speeds.
有趣的是， 两个 基准测试都发生在6月30日，也就是华盛顿的西雅图，当时SpaceX的轨道上只有大约500颗Starlink卫星。 该公司现在在地球上有700多颗卫星，这可能会改善覆盖范围和数据速度。
(Credit: SpaceX) (来源：SpaceX)According to the presentation, SpaceX is manufacturing about 120 Starlink satellites each month. The goal is to launch thousands of them into space to enable worldwide coverage and download speeds of 1Gbps.
根据介绍，SpaceX每月制造约120颗Starlink卫星。 我们的目标是将数千枚此类武器发射到太空中，以实现全球范围的覆盖和1Gbps的下载速度。
The company is also “on track” to produce thousands of user terminals consumers can hook up at their homes to receive the satellite-based broadband. In addition, SpaceX plans on gearing up for a public beta trial for users “across multiple US states.”
该公司还在“步入正轨”，以生产成千上万的用户终端，消费者可以在家中连接以接收基于卫星的宽带。 此外，SpaceX计划为“横跨美国多个州”的用户准备公开Beta测试。
(Credit: Starlink) (来源：Starlink)SpaceX made the filing so that it can modify the position of its initial constellation of Starlink satellites, which is currently orbiting the planet at 550 kilometers, “to speed deployment to Polar Regions, including Alaska,” the company says in the presentation.
该公司在演示中说，SpaceX提交了文件，以便它可以修改其Starlink卫星的初始星座的位置，该卫星目前正在550公里处绕地球运行，“以加快向包括阿拉斯加在内的极地地区的部署”。
SpaceX’s public beta trial is expected to take place in the coming weeks. The company is targeting an official launch before the year ends for users based in the northern US and lower Canada. The global rollout is scheduled for 2021.
SpaceX的公开Beta测试预计将在未来几周内进行。 该公司的目标是在年底之前为美国北部和加拿大中部的用户正式推出产品。 全球推广计划于2021年进行。
Originally published at https://www.pcmag.com.
最初发布在 https://www.pcmag.com 。
翻译自: https://medium.com/pcmag-access/spacexs-satellite-internet-service-latency-comes-in-under-20-milliseconds-79b00d448ce0
延迟多少毫秒不卡
