Low-Latency IPTV Notifications With Minimal Server Impact (2014)

By Gary Horton, Time Warner Cable

IPTV platforms provide value-add with notifications such as Caller ID and EAS alerts. An efficient architecture provides timely delivery of these messaging events without unnecessarily binding resources in their absence. The technology choice to support this is influenced by message frequency, latency requirements and client population size.

Among the contexts combining those variables, low latency delivery of infrequent messages becomes more challenging for the server as client size increases. A system is described here targeting that scenario, scaling gently with increases in client size and latency constraints. The system impacts server resources only when a message is available.

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