Download e-book for iPad: Alcatel-Lucent Scalable IP Networks Self-Study Guide: by Kent Hundley

By Kent Hundley

ISBN-10: 0470429062

ISBN-13: 9780470429068

Via delivering the hot provider Routing Certification software, Alcatel-Lucent is extending their achieve and data to networking execs with a entire demonstration of ways to construct shrewdpermanent, scalable networks. Serving as a “course in a publication” from Alcatel-Lucent—the global chief in designing and constructing scalable systems—this source pinpoints the pitfalls to prevent whilst development scalable networks, examines the main winning recommendations on hand for engineers who're construction and working IP networks, and gives overviews of the net, IP routing and the IP layer, and the perform of beginning the shortest direction first.Note: CD-ROM/DVD and different supplementary fabrics will not be incorporated as a part of book dossier.

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A specific protocol is used so that the receiving application will know how to interpret the data it receives. 9. The message header contains the sender’s and receiver’s addresses, as well as other information such as the urgency of the message and the nature of the message body. The format of the header and the nature of the addressing are defined by the application protocol. In the case of a WWW request the protocol is the hypertext transfer protocol (HTTP). In addition to defining the format of the message, the protocol also specifies how the applications are expected to interact with each other, including the exchange of commands and the expected responses.

5 ​Content goes through an IXP and is forwarded to various ISP POPs. 4: Overview of TCP/IP For the Internet to work properly, the underlying components need a common way of communicating. This is achieved by providing common addressing to all the physical components. 4 : Overview of TC P / I P 15 home address. Each address uniquely identifies a particular house somewhere in the world, and no two addresses are exactly alike. Similarly, the addressing is hierarchical, having a street address, a city, and a country (and a state, if you are in the United States).

Systems participating in the protocols may not need to participate at every level, making it easier to move data from one point on the Internet to another with minimal effort. For example, network devices on the Internet may know only the destination address of information and need not know that the information in the packets is email or Web traffic, just as the intermediate mail sites need not know the exact office destination of the inside letter in our earlier example. 7. , web browsing and email) available to users of the Internet.

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Alcatel-Lucent Scalable IP Networks Self-Study Guide: Preparing for the Network Routing Specialist I (NRS 1) Certification Exam (Self Study Guide Exam 4ao-100) by Kent Hundley

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