分布式服务和去中心化服务之间有哪些区别?
我无法找出两者之间的根本区别。我只能举出例子:
- BitTorrent 是一个分布式 p2p 系统,但 ToR 是去中心化的。
- Web 服务是分散的,但我无法想到分布式 Web 服务。 (也许是侨民?)
I am unable to come up with fundamental differences between the two. I could only come up with examples:
- BitTorrent is a distributed p2p system, but ToR is decentralized.
- Web services are decentralized, but I cannot think of a distributed web-service. (Maybe Diaspora?)
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分布式系统可以有两种类型:集中式和分散式。集中式分布式系统,作为客户端-服务器系统和多重应用程序。去中心化分布式系统不包含服务器,例如点对点通信。
distributed systems can be in two type .. centralized and decentralized . Centralized Distributed Systems ,as client-server system and Multitired Application . Decentralized Distributed Systems not contains server ,such as peer to peer communication .
如果从架构上来说,系统内存在单点故障,那么它就不是分布式系统。去中心化系统可能是一个层次结构,其中仍然存在层次结构根的概念,即故障点。交通环岛是集中式系统的分布式版本,其中使用交通信号灯(传统意义上的)。
If architecturally there is a single point of failure within a system, it is not a distributed system. A decentralized system could be a hierarchical structure where there is still a notion of the root of the hierarchy, a point of failure. A traffic round-about is a distributed version of a centralized system where traffic-lights (in traditional sense) is used.