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What is VOD-Video on Demand The concept isn't new to the media world but with the increase in bandwidth and so many providers, videos are flooding the market , the awareness is surely on the high. VoD can work well over a wide geographic region or on a satellite-based network as long as the demand for programming is modest. However, when large number of consumers demand multiple programs on a continuous basis, the total amount of data involved (in terms of megabytes) can overwhelm network resources.One way to sort this problem is to store programs on geographically distributed servers and provide programs to local users on request, a technology called store and forward. This approach increases the availability of the programming and the overall reliability of the system compared with the use of a single gigantic storehouse. Store and forward also allows local providers to maintain their systems and set up billing structures independently. Asynchronous transfer mode (ATM) switching technology lends itself especially well to this application. Examples- AmazonPrime, Netflix, Hulu, Go90, streamhash, HBO GO,Voot,Vidooly What is SVOD - Subscription Video on Demand or Streaming Video on Demand. Where users get unlimited access to a mammoth of programs for a monthly rental. A subscriber an pause, show, fast-forward, rewind & stop the videos as per their desire.Assumption is that a user will watch only a certain amount of content for a number of hours(50-200 hours per month). Example-Netflix, Hulu What is AVOD - Ad-based Video on Demand A model where users are free to log in and stream videos in return for spending time watching the advertisements.Mixed model of free and paying a monthly rental and extra amount to watch certain added content of a video on demand. Example-Youtube What is NVOD - Near Video n Demand, NVOD is a technique used in digital television by cable or satellite to offer the same feature films on different channels at different, staggered start times. NVOD channels are used for Pay-Per-View services and they have pre-designated schedule times. Viewer has the choice of deciding for a suitable start time. Example-Youtube, tune.pk What is TVOD - Transactional Video on Demand- In the the user makes a payment for a limited and particular choice of videos or small combination of videos. For example making payment for a particular movie or a series pf videos. It is also commonly known as "Pay per View" (Youtube paid videos). So cost is attached for a single movie. Example-itunes, distrify What is FVOD - Free Video on Demand , VOD programming offered by a network operator free of charge. FVOD programming includes on-demand advertising and on-demand programming offered as part of basic VOD package. Video on Demand solutions: 1.Limelight networks as solutions-limelight.com 2.AlphaOTT IPTV Middleware-alphaott.com 3.webnexs.com 4.comcasttechnologysolutions.com