Video Over IP: A Practical Guide to Technology and by Wes Simpson

By Wes Simpson

Video Over IP offers every little thing you must be aware of to choose between among the methods of shifting your video over a community. the data is gifted in a simple to learn structure, with comparability charts supplied that can assist you comprehend the advantages and disadvantages of alternative applied sciences for a number of sensible applications.Readers who've a historical past in both video or networking will reap the benefits of tutorials in either parts and the breadth of insurance that this ebook presents. Real-life program examples supply readers winning examples of numerous Video over IP networks which are up and working at the present time. After examining this ebook, it is possible for you to to:-Understand the fundamentals of video today-Understand the fundamentals of IP networking technology-Differentiate among applied sciences comparable to streaming, obtain and play, and dossier transfer-Understand the advantages and downsides of numerous video shipping techniques-Know what details you must assemble approximately their software sooner than picking out a Video over IP know-how and earlier than starting an implementation *Understand video delivery over IP networks - easy methods to reap the benefits of applied sciences like MPEG, multicasting, RTP, and streaming*Provides transparent, effortless to realize motives of either video and networking applied sciences - excellent for novices - is helping professional execs around out their knowledge*Covers an entire variety of video expertise, from internet and laptop videoconferencing to expert broadcast caliber and excessive definition video.

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Additional info for Video Over IP: A Practical Guide to Technology and Applications (Focal Press Media Technology Professional Series)

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14 VIDEO OVER IP: A PRACTICAL GUIDE TO TECHNOLOGY AND APPLICATIONS This is not a big obstacle in new construction since the service provider would normally have to install copper cable to each new dwelling unit. Also, because the splitters can be installed close to customers, only one fiber needs to leave the service provider for each group of 32 customers. Still, the expense of replacing a large installed base of copper cabling with optical fiber and supplying each user with an ONT can be a very large investment for existing customers.

This technology also goes by the names Fiber To The Home (FTTH) and Fiber To The Business (FTTB). Recent work on Passive Optical Networks (PONs) has created a new method for delivering video services to the subscriber. In essence, a PON is an all-optical network with no active components between the service provider and the customer. The network is Optical because the path from the service provider to the customer is entirely made up of fiber optic and optical components. The network is Passive because there are no active elements (such as electronics, lasers, optical detectors, or optical amplifiers) between the service provider and the customer.

This helps ensure that each of the cells makes it through the network intact and (usually) in the same order in which they were sent. These properties make it very easy for end devices to smoothly and reliably send and receive video. Service providers are heavy users of ATM within their own networks, even for non-ATM data (lots of IP traffic is carried over ATM facilities within carriers). The biggest benefits of ATM for a carrier are the abilities to control the amount of bandwidth used by each customer, to ensure that data from different customers are kept separate, and to ensure that adequate bandwidth exists across the entire data path from source to destination.

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