1_Linux%26TCPIP_spring10

1_Linux%26TCPIP_spring10 - Chapter 1 Linux and TCP/IP...

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TCP/IP Essentials A Lab-Based Approach Chapter 1 Chapter 1 Linux and TCP/IP Linux and TCP/IP Networking Networking Spring 2010
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Polytechnic Institute of NYU Slide 2 zjzhao Linux and TCP/IP Implementations The first widely available release of TCP/IP implementation - 4.2 Berkeley Software Distribution (BSD) •Unix TCP/IP implementations Solaris FreeBSD Linux
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Polytechnic Institute of NYU Slide 3 zjzhao Networking Code Organization Most applications are implemented as user space processes. Protocols are implemented in the system kernel Socket layer Protocol layer Interface layer Application Processes Socket Layer Protocol Layer TCP, UDP, ICMP, IGMP Interface Layer Ethernet, PPP, Wi-Fi, etc. System Calls Media
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Polytechnic Institute of NYU Slide 4 zjzhao Network Daemons and Services Daemon: a process running in the background of the system. Popular network daemons are managed by inetd (most TCP/IP applications, xinetd in Red Hat Linux 9) Httpd
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1_Linux%26TCPIP_spring10 - Chapter 1 Linux and TCP/IP...

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