IPTV originally conceived as a part of the triple-play services (Analog-Telefon/IP-Telefonie, broadband Internet, IPTV) is designed for VDSL. In Germany, the VDSL VDSL2 standard is offered, which a data transfer rate up to 50 Mbit / s possible. At the beginning of 2006 limited the spread but only on 12 individual cities in Germany. Mid-2007, the number of urban figure of 27 In comparison to ADSL2 + with availability in over 700 cities a much higher penetration rate. Therefore, the possibility of using triple-play services over an ADSL2 + connection to the spread of IPTV would be substantially improved. Moreover, the available bandwidth in Germany, an ADSL2 + connection ranges from 16 Mbps to allow some degree, an HDTV broadcast. ADSL2 + is thus a potential key source of the IPTV service is to VDSL will reach a similar penetration levels. Despite a performance in outdated technology, the number of existing users of aADSL2 + connection, in particular producers, conferred by IPTV, enabling content a much wider audience. Those contents are based inter alia on the IPTV-specific, interactive uses. Technical Pre-requirements for this are two-way network compatibility and an integrated return channel. This enables applications such as video on demand, Internet access, video conferencing, pay-per-view and T-commerce. Nevertheless differ IPTV content so far only a minor extent from traditional television content, and hardly offer exclusive benefits. Hence a shift from the classic television consumption to broader use of IPTV can only be achieved gradually. Furthermore, IPTV requires an upgrade of the ADSL2 + network in order to be capable of streaming, which means additional costs for operators and end consumer. Because of the great revolution of the TV industry by IPTV and the displacement of satellite and terrestrial television will still be waiting. In addition, several criticisms are emerging, whichDisadvantages of combining all technical means of communication in the form of triple-play service to address. A future expulsion of alternative communication channels to enforce a single universal communications suite that would ensure the availability of information in a basic dependency. This possible development is in particular through the development and increasing availability to determine the VDSL and ADSL2 + technology.
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