《Operating System Concepts》阅读笔记：p41-p49

《Operating System Concepts》学习第 8 天，p41-p49 总结，总计 9 页。

一、技术总结

1.peer-to-peer (P2P)

(1)定义

P2P is A mode of distributed computing in which all nodes act as both clients of other nodes and servers to other nodes.

(2)示例

Napster、Gnutella、Skype。

2.cloud computing

(1)定义

Cloud computing is a type of computing that delivers computing, storage, and even applications as a service across a network.

(2)示例

Amazon Elastic Compute Cloud (ec2)。

二、英语总结(生词：4)

1.breach

(1)breach: breche(“break”)

c. act of breaking or violating sth, such as rule, agreement, or boundary.

示例：Many homes use firewall to protect their networks from security breaches(《Operating System Concepts》第 41 页)。

2.hybrid

(1)hybrid: hybrida(“cross