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HOW TO IMPLEMENT HIGH AVAILABILITY
IN VIDEO DELIVERY INFRASTRUCTURE

Operators need high availability network in TV industry

High availability is today's SLA in everyday business operations for all TV/ streaming providers. Network down nowadays happens rarely and all operators' efforts are focused on signal delivery in today's high SLA expectations. With high quality signal, both technical and content wise, operators need solutions contributing to high availability infrastructure.

Quickstream™ answer to industry needs

Quickstream™ deals with multiple TV channel playouts and very high-reliability expectations from customers. Roughly there are four points where things can go wrong: hardware, power, Internet, TV signal. Redundancy is an answer to all those problems but the SMART implementation of the redundancy is a key success factor. Quickstream's approach to signal transport redundancy management is smart and proven to work seamlessly and to customers' satisfaction.
The smart approach here means easy to implement, infrastructure and cost-effective, and most important - invisible in case of signal loss.

High reliability

Most interesting is how Quickstream™ manages quick switches in case of signal or Internet loss. Quickstream™ runs each playout as two systems - Main and Backup. There is no single point of failure in the configuration. In case of the transport signal loss from the main playout, Quickstream Node switches automatically from the main playout to the backup playout. Emergency switching is built in Quickstream Node. Quickstream™ system allows to choose among different connection methods (SDI, SRT, UDP), multiple network interfaces, and set up backup switch triggers on bitrate drop (configurable), connection failure (configurable), and on disconnect. Such redundancy setup covers various breakdown scenarios including playout and transmission media failures. The use of dual ISPs is possible despite different addresses on network interfaces. Quickstream Node supports COLD type redundancy or active-active mode.

TYPICAL QUICKSTREAM™ SYSTEM CONFIGURATION

The receiver switches almost instantly in case of failure. The stream downtime is visible on the analyzer.
A short bandwidth drop is visible on the graph below.

User interface for backup switch

Summary

Having two independent Internet providers on both sides and multiplied receivers thanks to a unique Quickstream™ receiver function that allows switching between servers on the signal loss stream transmission is continuous and almost invisible. This Quickstream™ function is on top of standard SRT protocol.

Unique Quickstream™ redundancy management software in many cases helps operators avoid costly BGP solutions.

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