Question

Make an essay about IPTV. You can include topics about networking. It shouldn't have more than 15-20 pages and it should be original, it shouldn't be copy-pasted from Google.

Answer 1

Internet protocol television (IPTV)

• * It means television programming is communicating using Internet protocol.
• * It can receive and display coded videos as stream of packets. And it can combine with other application.
• * It has ability to stream the source media continously.
• * It allows the user to pick the program they want to watch whenever and wherever they feel like watching it apart from tuning into any Live TV shows that are being aired currently.

Difference between IPTV and usual TV:

1. * In TV(using cable or satellite TV) , we can only see what is broadcasted(we can only watch what is available). But in IPTV, Instead of transmitting content videos like pulses in fibre optic cables or radio waves from a satellite, IPTV senses movies or shows or any program using standard internet connection.
2. * IPTV have ability to store the programs at server at the transmitting end , which allows the viewers to ask for the contents any time they wish.

Working of IPTV :

1. * IPTV is similar to browsing the internet . It merely uses internet protocol(IP). IP is a transport protocol that deliver videos to the viewers. The user clicks the program or video they wish to watch. When they requests for the video, the video from different servers is divided into somany data packets. These packets will be send over the internet. Video server transmits programs through fibre optic cables to the household through internet connection .

There are various IPTV formats. Some of the important ones are given below:

1. * Video on demand (VOD) : Here , Individual delivery of video content to a particular subscriber. VOD allows the user to watch any program from VOD's server library. We inform the server what we want to watch and they send the requested video to us through internet. Examples for VOD includes Netflix, Primevideo, hulu etc.
2. * Time-shifted media : Time shifted TV allows subscribers to view live broadcasts(live programs) later and they can resume their program according to their convinience. Some of the most popular services that offers these format includes BBC and iPlayer
3. * Live television: Here we can watch live programs(sports) on TV. Examples includes FOX SPORTS GO and hulu TV .
4. * TV on demand(TVoD) : Here, certain selected channels are saved(recorded). So that the user can watch it any time. Examples includes Google play and iTunes.
5. * Near video on demand : It is meant for multiple users who is subscribed to nVOD service. This is a pay-per-view service.

Example for architecture of IPTV:

1. * Central source collects the broadcasted contents from the local antenna and satellites.
2. * The video or channel which has been requested by the user is delivered to the user through delivery networks . These delivery network consists of robust internet uplink through fiber optics from the IPTV broadcasters end.
3. * The user will receive this signal at their end through their internet.
4. * A set top box(STB) is provided to the user , if they are subscribed to a particular IPTV service. It  uses the internet to deliver the video and TV content to the user.
5. * When the viewer requests a TV channel or  video through an interactive portal in the STB, It  allows the viewer to navigate within the different IPTV services.