By Krzysztof Iniewski
ISBN-10: 0470253517
ISBN-13: 9780470253519
ISBN-10: 0471749060
ISBN-13: 9780471749066
A accomplished, Thorough advent to High-Speed Networking applied sciences and Protocols
Network Infrastructure and structure: Designing High-Availability Networks takes a special method of the topic via overlaying the information underlying networks, the structure of the community parts, and the implementation of those components in optical and VLSI applied sciences. also, it specializes in components now not greatly lined in latest books: actual delivery and switching, the method and means of construction networking undefined, and new applied sciences being deployed on the market, reminiscent of Metro Wave department Multiplexing (MWDM), Resilient Packet jewelry (RPR), Optical Ethernet, and more.
Divided into 5 succinct elements, the booklet covers:
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Optical transmission
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Networking protocols
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VLSI chips
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Data switching
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Networking components and design
Complete with case experiences, examples, and routines all through, the ebook is complemented with bankruptcy targets, summaries, and lists of key issues to assist readers in greedy the fabric presented.
Network Infrastructure and structure deals execs, complex undergraduates, and graduate scholars a clean view on high-speed networking from the actual layer standpoint.
Read or Download Network Infrastructure and Architecture PDF
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Sample text
The approximate usable bandwidth for a single fiber, exploiting the 1450- to 1650-nm low-loss window in silica, is an astounding 25 THz. Depending on how efficiently this bandwidth is used, 25 THz allows roughly 25 Tb/s of data to be transmitted; that’s the equivalent of 25,000 × 1 Gb/s lines in a single fiber. Another advantage of optical transmission is immunity to electromagnetic interference (EMI). Electrical signals carried by conductors are very sensitive to interference from many electrical sources, and a large part of electronic system design involves minimizing these effects.
19, we used a layer 2 switched network. It is equally possible to create a layer 3 VPN, where the routing network is used to achieve the same function. VPN layers 2 and 3 are both offered commercially by service providers, in addition to traditional leased-line models based on layer 1 networks. In closing, this chapter has shown for us that networking equipment comes in various sizes, “flavors,” and functionality subsets. 20 lists a number of network elements and their corresponding product naming, depending on whether they are deployed at LAN, MAN, or WAN networks.
Routers have to determine the most efficient path through the network using complex routing algorithms. After finding the most efficient path, routers switch frames between various ports. In this sense, routers perform the same switching function as that of switches. Routers are much more complex devices, however, as they have to deal with large routing tables for the global Internet and find appropriate routing addresses. Switches, on the other hand, merely switch frames and are aware only of their close network proximity.