Product Line Manager, Access Business Unit
Paul Marr has been with EXFO since 2007. In addition to earning a Bachelor of Science in Aeronautics from the Embry Riddle Aero University (1985), Paul has completed a 20-year army officer career. He brings to EXFO his extensive experience in telecom product management, in international market management (defense products) as well as in conceiving market leading multiservice broadband test products.
This webinar explains how IPTV is sent over the network using DSL in the last mile (fiber-to-the-node/cabinet), the associated challenges and reliability issues, and how some DSL test results point to service affecting problems.
IPTV is a sensitive end-to-end service from the content provider to the customer’s TV. It requires extra bandwidth for reliability, and is typically delivered over ADSL2+ and VDSL2 provisioned at high rates. And, similar to carrier circuits, its loop quality requirements are more stringent than voice. For example, T and E Carriers were limited in the amount of bridged tap permitted in order to maintain sufficient SNR and low bit error rates. For IPTV over high speed DSL, additional band-width robbing factors cannot be ignored: those impacting SNR (not just attenuation, but also balance, noise and crosstalk) and impulse noise.
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