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About the Book : UPDATED! Chapters have been re-organized for the first time since the text’s original publication. The network layer, which had been previously covered in a single chapter, is now covered in Chapter 4 (which focuses on the so-called “data plane” component of the network layer) and Chapter 5 (which focuses on the network layer’s “control plane”). This expanded coverage of the network layer reflects the swift rise in importance of software-defined networking (SDN), arguably the most important and exciting advance in networking in decades. UPDATED! Individual chapters have been updated to reflect changes in the field of computer networking: Chapter 1 has been updated to reflect the ever-growing reach and use of the Internet. Chapter 2, which covers the application layer, has been significantly updated. Material on the FTP protocol has been removed, and hash tables have been distributed to make room for a new section on application-level video streaming and content distribution networks, together with Netflix and YouTube case studies. The socket programming sections have been updated from Python 2 to Python 3.Chapter 3, which covers the transport layer, has been modestly updated. The material on asynchronous transport mode (ATM) networks has been replaced by more modern material on the Internet’s explicit congestion notification (ECN), which teaches the same principles. Chapter 4 covers the “data plane” component of the network layer - the per-router forwarding function that determine how a packet arriving on one of a router’s input links is forwarded to one of that router’s output links. Chapter 5 covers the control plane functions of the network layer–the network-wide logic that controls how a datagram is routed along an end-to-end path of routers from the source host to the destination host. As in previous editions, routing algorithms are covered, as well as routing protocols (with an updated treatment of BGP) used in today’s Internet. A significant new section on the SDN control plane has been added, where routing and other functions are implemented in so-called SDN controllers.Chapter 6, which now covers the link layer, contains an updated treatment of Ethernet and data center networking.Chapter 7, which covers wireless and mobile networking, contains updated material on 802.11 (so-called “WiFi) networks and cellular networks, including 4G and LTE. REVISED! Significant new material involving end-of-chapter problems has been added. As with all previous editions, homework problems have been revised, added, and removed. A balanced presentation focuses on the Internet as a specific motivating example of a network and also introduces students to protocols in a more theoretical context. A chapter on wireless and mobility includes insight into 802.11 and coverage of ad hoc networking. Principles and Practice boxes throughout demonstrate real-world applications of the principles studied. Case History boxes are sprinkled in to help tell the story of the history and development of computer networking. Material on application programming development is included, along with numerous programming assignments. A highly developed art program enhances the descriptions of concepts. [Publisher]

Internet --- Computer networks --- Telecommunication technology --- routers --- Computer architecture. Operating systems --- netwerkbeheer --- LAN (local area network) --- netwerken (informatica) --- internet --- datalinks --- computerbeveiliging --- Réseaux d'ordinateurs --- Réseaux d'ordinateurs --- PXL-IT 2018 --- informatica --- computernetwerken --- Réseaux d'ordinateurs. --- Internet. --- Computer networks. --- DARPA Internet --- Internet (Computer network) --- Wide area networks (Computer networks) --- World Wide Web --- Communication systems, Computer --- Computer communication systems --- Data networks, Computer --- ECNs (Electronic communication networks) --- Electronic communication networks --- Networks, Computer --- Teleprocessing networks --- Data transmission systems --- Digital communications --- Electronic systems --- Information networks --- Telecommunication --- Cyberinfrastructure --- Electronic data processing --- Network computers --- Distributed processing