《图解tcp/ip》读书笔记(二)本周主要阅读的是本书的第三章——数据链路。当然了,从某些角度讲,我认为这一章就是计算机网络的最基本的内容之一。整章讲述了数据链路层的作用和相关技术,主要描述了以太网、无线通信、ppp、公共网络以及其他的一些数据链路一些细节性的技术。由于之前已经学习过相关计算机网络的...
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其他好文 时间:
2015-12-13 21:56:05
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步骤1,启用IP2,每个路由器loopback地址10.10.x.xx表示路由器号3,R4R5使用PPP连接。消除多余的32位主机路由ints2/1encapsulationppp------------封装PPPnopeerneighbor-route-------消除多余的32位主机路由shutnoshut4,只使用图中的PVC,实现帧中继网络全通。允许通过广播流..
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其他好文 时间:
2015-12-08 07:21:26
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161
Tasklets are the preferred way to implement deferrable functions in I/O drivers. As already explained,tasklets are built on top of two softirqs named ...
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其他好文 时间:
2015-12-03 08:27:39
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In recent kernel versions, each CPU has its own ksoftirqd/n kernel thread (where n is thelogical number of CPU). Each ksoftirqd/n kernel thread runs t...
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其他好文 时间:
2015-12-03 02:15:43
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We mentioned earlier in the section "Interrupt Handling" that several tasks among those executedby the kernel are not critical: they can be deferred f...
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2015-12-03 02:08:34
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222
The Intel documentation classifies interrupts and exceptions as follows:1. Interrupts:Maskable interrupts: All Interrupt ReQuests (IRQs) issued by I/O...
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其他好文 时间:
2015-11-26 06:58:23
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An interrupt is usually defined as an event that alters the sequence of instructions executed by aprocessor. Such events correspond to electrical sign...
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其他好文 时间:
2015-11-25 13:23:58
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