![]() ![]() I believe that to understand something deeply you need to compare it to something else. So in this edition I have documented many more of the protocols in detail. But people used the book as a reference in addition to using it to understand the issues. In the first edition, my intention was to help people understand the problems and the general types of solutions, assuming that they would read the specifications to get the details of specific protocols. My email address is at the back of the book, which I hope you will find after having read the book cover to cover. I give technical arguments for any opinions, and if you think I have missed any arguments I welcome email discussion. Then I look at a variety of solutions that have been deployed and compare the approaches. I examine various solutions to each of these problems and discuss the engineering trade-offs involved. In Interconnections, Second Edition, instead of diving right into the details of one protocol, I first focus on the problems to be solved. But good engineering demands that we understand what we're doing and why, keep an open mind, and learn from experience. Beliefs are accepted as truth, and questioning any of the dogma is often greeted with hostility. Some knowledge is spread among many different documents much is unwritten folk wisdom. The terminology and the specifications tend to be daunting. Most of the terminology is ill defined and is used in conflicting ways. There is considerable confusion in this area. The book also describes the devices that connect to the network. These boxes are variously called bridges, routers, switches, and hubs. Interconnections, Second Edition is about what goes on inside the boxes that move data around the Internet. Migration: Routing Algorithms and Addressing. Optimizing for the Most Common or Important Case. Knowing the Problem You're Trying to Solve. Simplicity versus Flexibility versus Optimality. To Route, Bridge, or Switch: Is That the Question? Partition Repair: Level 1 Subnetwork Partition.Ī Brief History of Intradomain Routing Protocols.ġ7. Neighbor Greeting and Autoconfiguration.Įndnodes Attached via Point-to-Point Links.Įndnodes Attached via Nonbroadcast Multiaccess Media.Ĭomparison of Link State and Distance Vector Routing. ![]() Technical Issues and Comparisons in Data Packet Formats.Įrror Reports and Other Network Feedback to the Endnode.ġ1. Summary of Packet Formats for Easy Reference. Pieces of a Connectionless Network Layer. Hierarchical Addresses with Flexible Boundaries. Hierarchical Addresses with Fixed Boundaries. X.25: Reliable Connection-oriented Service. Hubs, Switches, Virtual LANs, and Fast Ethernet.ħ. Ideas for Improving Source Route Bridging.ĥ. Source Routing versus Transparent Bridging. Layer 3 multicast protocols, including IGMP, DVMRP, MOSPF, CBT, PIM, BGMP, Simple Multicast, and Express.Routing protocols, including RIP, IS-IS, OSPF, PNNI, NLSP, and BGP.Autoconfiguration of addresses strategies in various protocol suites.Addressing and packet formats for IP, IPv6, IPX, CLNP, AppleTalk, and DECnet.Virtual LANs (VLANs) and Fast Ethernet.The differences between bridges, routers, and switches.The book contains extensive coverage of such topics as: Perlman describes all of the major networking algorithms and protocols in use today in clear and concise terms, while exploring the engineering trade-offs that the different approaches represent. Written by the inventor of many of the algorithms that make switching and routing robust and efficient, Interconnections, Second Edition offers an expert's insight into how and why networks operate as they do. You will gain a deeper understanding of the range of solutions possible and find valuable information on protocols for which documentation is not readily available elsewhere. Additional new topics include IPX, AppleTalk, and DECnet. This Second Edition is expanded and updated to cover the newest developments in the field, including advances in switching and bridge technology, VLANs, Fast Ethernet, DHCP, ATM, and IPv6. It provides authoritative and comprehensive information on general networking concepts, routing algorithms and protocols, addressing, and the mechanics of bridges, routers, switches, and hubs. Radia Perlman's Interconnections is recognized as a leading text on networking theory and practice.
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