May 2025
Intermediate to advanced
573 pages
14h 38m
English
Content preview from Operating System Design, 3rd Edition
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17 A Minimal Internet Protocol Stack
The lure of the distant and the difficult is deceptive. The great opportunity is where you are.
— John Burroughs
17.1 Introduction
Most embedded systems are connected — they use computer networks to access remote services and storage facilities. As a result, protocol software has become a required part of even small embedded operating systems. The previous chapter describes a basic Ethernet device driver that can send and receive packets. Although an Ethernet device can transfer packets across a single network, additional communication software is required to permit applications to communicate across the Internet. In particular, the TCP/Internet Protocol Suite defines the protocols used for Internet communication. ...
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