Download Optical Networks and Technologies: IFIP TC6 / WG6.10 First by Ken-ichi Kitayama, Francesco Masetti-Placci, Giancarlo Prati PDF

By Ken-ichi Kitayama, Francesco Masetti-Placci, Giancarlo Prati

ISBN-10: 0387231773

ISBN-13: 9780387231778

This booklet is of curiosity to either educational researchers operating within the box of optical fiber conversation. the point of interest is on engineering networks exploiting complex optical applied sciences. initially offered at OpNeTec 2004, the chapters conceal optical community structures, transmission, and amplification; theoretical facets; method implementation; and experimental test-beds.

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Tying router functionality together with transport reduces the opportunity to scale both technologies independently. Moreover, it greatly increases the complexity of the device, and makes it substantially more complex to manage. Finally, it can get in the way of the Layer 3 interaction between the customer router and an IP service switch in the network, making the service less predictable (in particular concerning QOS). Our view is that network transport should be “the router’s best friend” (providing managed aggregation and fast protection) and not a bad router.

But there are significant organizational barriers to be overcome and significant expenditure to fund. Operators will take advantage of these developments depending on their own internal priorities and they will fall into two broad categories. Firstly, the large majority of OSS changes will be those that can show a positive business benefit in less than a year. They will be targeted at operational cost saving largely in an existing network context. [Major OSS changes de-coupled from network infrastructure changes often result in the need for complex migration strategies to ensure continuity of service using legacy management interfaces].

Home worker and Telecommuters now frequently use the Internet to access company servers by means of secure tunneling. Utilization of wireless LANs is currently quite low, but likely to expand within both the corporate environment, and via the use of Wireless hot spots. ISDN PBX is the predominant infrastructure for corporate voice. There is no compelling short-term reason to replace this infrastructure, however as replacement opportunities arise, packet voice will be the new technology of choice.

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