Multicast flows monitoring

H5 RT : Distributed Architecture for Real Time Monitoring

Multicast flows, unlike unicast or point to point flows, allow a small group of servers to send data to a large base of subscribers in real time with a proven efficiency for multiple emerging applications: IPTV, financial data distribution, software updates distribution, Visio conferencing, telemedicine, e-learning, etc.

The need of monitoring these ever-emerging business applications, for capacity planning, bandwidth optimization or quality insurance is only partially met by traditional application monitoring solutions.

The multicast flows are indeed specific in nature, relying on connection less UDP packets transmission and duplication.

Taking this into account H5 audit R&D teams designed H5-RT; a distributed monitoring architecture providing multicast flow visibility on large scale networks including:

> Satellite multicast network


> Trade floor information networks


H5-RT is a distributed architecture for real time monitoring of multicast traffic, providing metrics on volume, delay, out-of-delay, loss metrics for all the multicast flows from the servers to the clients with a packet granularity.

H5-RT consists in 3 separate data layers operating flawlessly:

Data Collection :

the RT Agents responsible of multicast monitoring data collection extracted from multicast traffic copy provided by one or more switch mirroring ports or network taps. The RT Agents deployment requiring no modification nor interruption of the information system.

Data Aggregation :

the RT Aggregators, in charge of data aggregation and multicast packet delay processing, dynamically connect RT Agents, polling, aggregating processing Multicast performance data.

Reporting :

H5-CPR providing Dashboard and reporting interface from RT Aggregator data.


H5 audits available documents

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