Content Networking Fundamentals by Silvano Da Ros

By Silvano Da Ros

A finished advent to the idea and functional purposes of content material networking• Get a powerful advent to the fundamental networking suggestions worthy for content material networking, together with community deal with translation, IP multicast content material supply, caliber of provider, and streaming media• grasp the application-layer protocols, together with HTTP, SSL, RSTP, RTP and FTP• layout redundancy and excessive availability by utilizing server load balancing, area identify approach (DNS) listing prone, Cisco DistributedDirector software program, proximity-based load balancing, and worldwide sticky databases• discover ways to change and offload encrypted content material by way of uploading, growing, and configuring certificate and keys in safe Sockets Layer (SSL) termination units• study tips on how to configure routers with net Cache conversation Protocol (WCCP) and to change content material requests to content material engines for serving often asked items• easy methods to configure caching, reside push- and pull-splitting, content material acquisitioning, and pre-positioning utilizing Cisco software and content material Networking process (ACNS) softwareContent networking is the preferred know-how used to augment community and alertness functionality. the expansion of content material networking has been pushed by means of end-user calls for for richer content material and diminished reaction instances. those calls for have brought on the sphere of content material networking to flourish with technological advances. this day many businesses use content material networking so as to add a layer of intelligence to their structures, scaling server availability and optimizing content material supply.

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Providing packaged content for e-learning, corporate communications, product marketing, and sales support gives organizations the ability to concentrate on operational aspects of business rather than the production of content. Producing educational material electronically and making it interactive and accessible for viewing anytime reduces training costs associated with instructor-led training and increases information retention rates among learners. E-Learning Applications An e-learning application is an enterprise-wide learning system containing tools for creating, delivering, and managing content, for live and on-demand training or information-exchange portals.

Content Distribution and Routing Content distribution occurs in advance of client requests in order to position content into desirable locations within the network. In contrast, recall on-demand caching, in which content is populated to edge delivery devices as requests for content are fulfilled by the origin servers. The act of distributing content throughout the network can be as taxing on networking resources as its delivery. Chapter 6, "Ensuring Content Delivery with Quality of Service," covers methods of minimizing network resource consumption during the distribution process, including IP Multicast, resource reservation, packet queuing, and scheduling.

Logic zero is encoded by stopping the cycle for one transition. Logic one is encoded by continuing the cycle. Before the byte is transferred with MLT-3, it is first encoded using 4B/5B encoding. With 4B/5B encoding, each hexadecimal 4-bit digit is encoded into an essentially uncorrelated 5-bit code, using the 4B/5B translation table in Table 2-3. Table 2-3. 4B/5B Codes Hexadecimal Digit 4-Bit Data 5-Bit Code 0 0000 11110 1 0001 01001 2 0010 10100 3 0011 10101 44 Part II: Networking Fundamentals Part II: Networking Fundamentals 45 4 0100 01010 5 0101 01011 6 0110 01110 7 0111 01111 8 1000 10010 9 1001 10011 a 1010 10110 b 1011 10111 c 1100 11010 Part II: Networking Fundamentals 45 46 Part II: Networking Fundamentals d 1101 11011 e 1110 11100 f 1111 11101 The hexadecimal byte 0x9a is transferred using the codes 0b10011 and 0b10110 according to the transitions in Figure 2-7 and Figure 2-8.

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