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George Ivanov
George Ivanov

The Best Computer Networking Textbook: A Top-Down Approach (7th Edition) Book 19


2020 Computer Networking: A Top-Down Approach (7th Edition) Book 19




If you are looking for a comprehensive, engaging and up-to-date textbook on computer networking, you might want to check out Computer Networking: A Top-Down Approach (7th Edition) by James Kurose and Keith Ross. This book is one of the most popular and widely used texts in the field of computer networking. It has been adopted by hundreds of universities around the world and has received rave reviews from students and instructors alike. In this article, we will give you an overview of what this book is about, what topics it covers, what features it offers and how you can use it for learning or teaching computer networking.




2020 Computer Networking: A Top-Down Approach (7th Edition) Book 19



What is a top-down approach to computer networking?




Computer networking is a complex subject that involves many layers of abstraction, protocols and technologies. There are different ways to organize and present this material in a textbook. One way is to start from the lowest layer (the physical layer) and work your way up to the highest layer (the application layer). This is called a bottom-up approach. Another way is to do the opposite: start from the highest layer and work your way down to the lowest layer. This is called a top-down approach.


The authors of this book have chosen to adopt a top-down approach for several reasons. First, they believe that this approach is more natural and intuitive for students who are new to computer networking. By starting from the application layer, students can see how network applications work and what services they need from the underlying layers. This motivates students to learn more about the lower layers and how they support the higher layers. Second, they believe that this approach is more relevant and current for today's networked world. By focusing on the Internet and its protocols, applications and services, students can learn about the most important and exciting aspects of computer networking. Third, they believe that this approach is more flexible and adaptable for different courses and curricula. By organizing the book into seven parts, each covering a major layer or topic of computer networking, instructors can easily select and customize the material according to their needs and preferences.


What are the main topics covered in the book?




The book covers a wide range of topics in computer networking, from the fundamentals to the advanced. It is divided into seven parts, each consisting of several chapters. Here is a brief summary of each part and its key concepts:


Part 1: Computer Networks and the Internet




This part introduces the basic concepts and terminology of computer networks and the Internet. It covers topics such as:



  • What is a computer network and what are its components?



  • What is the Internet and how does it work?



  • What are the Internet protocols and standards?



  • What are the Internet service providers and how do they connect to each other?



  • What are the Internet applications and services?



  • What are the network performance metrics and how are they measured?



  • What are the network security threats and how are they mitigated?



Part 2: Application Layer




This part dives into the details of the application layer, which is responsible for providing network services to end users. It covers topics such as:



  • What are the principles and challenges of network application development?



  • How does the client-server model work and what are its advantages and disadvantages?



  • How does the peer-to-peer model work and what are its advantages and disadvantages?



  • How does the HTTP protocol work and what are its features and limitations?



  • How does the DNS protocol work and what are its functions and components?



  • How does the SMTP protocol work and what are its components and formats?



  • How does the FTP protocol work and what are its commands and modes?



  • How do peer-to-peer file sharing applications work and what are their challenges and solutions?



  • How do Web services work and what are their architectures and standards?



Part 3: Transport Layer




This part explores the transport layer, which is responsible for providing reliable and efficient data transfer between end systems. It covers topics such as:



  • What are the services and functions of the transport layer?



  • How does the UDP protocol work and what are its features and limitations?



  • How does the TCP protocol work and what are its features and limitations?



  • How does TCP establish, maintain and terminate connections?



  • How does TCP provide reliable data transfer using acknowledgments, timers and retransmissions?



  • How does TCP provide flow control using sliding windows and buffers?



  • How does TCP provide congestion control using additive increase multiplicative decrease, slow start, fast retransmit, fast recovery, Reno, Tahoe, NewReno, SACK, Vegas, Cubic, BBR algorithms?



  • How does TCP provide quality of service using differentiated services, integrated services, RSVP protocols?



Part 4: The Network Layer




This part examines the network layer, which is responsible for routing packets across networks. It covers topics such as:



  • What are the services and functions of the network layer?



  • How does IP protocol work and what are its features and limitations?



  • How does IP address packets using source address, destination address, subnet mask, prefix length, classful addressing, classless addressing, CIDR notation?



  • How does IP forward packets using forwarding table, longest prefix matching, default gateway, static routing, dynamic routing algorithms?



  • How does IP handle fragmentation and reassembly of packets using identification number, fragment offset, more fragments flag fields?



  • How does IP handle errors and options of packets using checksum field, type of service field, time to live field, options field?



  • How does NAT protocol work and what are its types (static NAT, dynamic NAT), benefits (address conservation) drawbacks (end-to-end connectivity)?



How does IPv6 protocol work and what are its features (larger address space) drawbacks (transition issues)? 71b2f0854b


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