#分布式
#一致性算法
《将 paxos 和 raft 统一到一个协议下: abstract-paxos》
所以还是那句话：“There is only one consensus protocol, and that's “Paxos” — all other approaches are just broken versions of Paxos（世界上只有一种共识协议，就是 Paxos，其他所有共识算法都是 Paxos 的退化版本。）”
BY codedump的电报频道
Secure video calling is in high demand. As an alternative to Zoom, many people are using end-to-end encrypted apps such as WhatsApp, FaceTime or Signal to speak to friends and family face-to-face since coronavirus lockdowns started to take place across the world. There’s another option—secure communications app Telegram just added video calling to its feature set, available on both iOS and Android. The new feature is also super secure—like Signal and WhatsApp and unlike Zoom (yet), video calls will be end-to-end encrypted.
Telegram is a cloud-based instant messaging service that has been making rounds as a popular option for those who wish to keep their messages secure. Telegram boasts a collection of different features, but it’s best known for its ability to secure messages and media by encrypting them during transit; this prevents third-parties from snooping on messages easily. Let’s take a look at what Telegram can do and why you might want to use it.
codedump的电报频道 from ua