V2EX lty1993
lty1993

lty1993

V2EX member #19201, joined on 2012-04-08 13:12:24 +08:00
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lty1993's recent replies
光纤测试嘛,参考这里就好了

https://www.thefoa.org/tech/ref/basic/test.html

要认认真真搞的话需要的设备不少的
@leonunix 100G-LR4 价格其实还行,100G-ER4 价格就不美丽了。到家用需要 100G 的时候,100G 收发器价格早下来了。

我意思是可以布单模线,基本上这辈子线都不会被淘汰了。特别是光 PAM4 调制已经开始出现了,到时候多模估计至少是 OM4/OM5 才能运行的,单模基本上完全没有换线的必要。
@leonunix 这是不是对单模有啥误解…… 10G-LR 价格不比 10G-SR 贵多少,单模线的钱一般还比多模线便宜。然后 10G-LR 的话,哪怕对着插也不需要衰减器。10G-ER / 10G-ZR 短距离才会需要衰减器。
LoRaWAN
上单模呀,多模以后出更快速度的标准还是得换线的。单模以后口不够还可以 CWDM / DWDM (
Milwaukee / Makita / Metabo / Bosch 都不错
Jun 10, 2020
Replied to a topic by imbushuo NAS 买了一台 HPE ProLiant ML30 Gen10 当 NAS
劳群观光团
@sunzy Wowza 是软件,跟地域有啥关系
Apr 7, 2020
Replied to a topic by liudaqi 问与答 分布式可以完全去中心吗?
@opengps 网络负载均衡可以 Anycast,不过端到端的 HA 实现成本还是太高了,根据实际业务需要去决定到底怎么实现吧
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