Download PDF by Mark Gaynor: Network services investment guide : maximizing ROI in

By Mark Gaynor

ISBN-10: 0471456519

ISBN-13: 9780471456513

  • This first-ever valuation consultant indicates the way to pick out and deal with network-based prone to make sure greatest go back on investment
  • Explains the right way to deal with the prices and tradeoffs among disbursed and centralized administration structures
  • Shows find out how to stay away from risking an excessive amount of for too little go back as a result of unpredictable total industry conditions
  • Covers network-based prone similar to net entry, software administration, webhosting, voice and information prone, and the hot breed of SOAP/XML net services

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Centralized management supplies the information needed to provide QoS when resources are scarce. In addition to the business advantages of centralized management, there are also technical benefits, including the following: ■■ Less complex feature development because of centralized information ■■ Less processing overhead because of centralized processing of data ■■ Less complex security because fewer locations and systems need to be secured 4 There are several (7 or so) 800-number servers that are replicated for reliability and load sharing, but the lookup goes to only one of them.

This is not the only way to structure such a protocol, as seen in (b), which illustrates the distributed structure of the Domain Name Server service in the Internet. Its management structure is distributed because both the DNS servers and the data on the DNS server are managed by the local organization. com prefix, then the DNS sends a series of messages, eventually reaching a DNS server managed within the domain of the requested address. 1 Distributed compared to centralized management structure of network-based services.

There is no general right answer as to what works best; it depends on each particular case and on the market uncertainty. This question of management structure of network-based services transcends the particular network in many cases. For example, as discussed, within the PSTN the PBX offers a distributed structure as compared to the centralized managed structure of Centrex. In the Internet several architectures provide Voice-over IP. 248) does not. This shows the complexity of the decision about network infrastructure and network-based services.

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Network services investment guide : maximizing ROI in uncertain times by Mark Gaynor

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