Wednesday, June 3, 2015

Architecture for fine-grain, high-resolution Telemetry for network elements

Architecture for fine-grain, high-resolution Telemetry for network elements. - See more at: https://www.nanog.org/meetings/abstract?id=2574#sthash.iWOQO3RG.dpuf

The Networks evolve quickly to be highly automated, self-adapting, and intelligent integrated systems. However, even the most intelligent system can take as good decision as good input information it is provided with..

In this session we address an architecture that enables high frequency export of telemetry data from network elements. Traditional protocols like SNMP retrieve data from network elements using a “pull” model, which suffers from several well documented shortcomings, the most important being a centralized architecture which causes strain on the central processor of the network element, taking away cycles from the main functions of the router.

This architecture addresses the problem by creating a distributed export mechanism where telemetry is “pushed” out directly from the source, rather than relying on the central component. This is intended to enable innovative applications, such as dynamic provisioning of devices based on utilization levels, security and/or quality prediction base don anomaly heuristic analysis, etc. The architecture defines the following

1. The Open telemetry model for a network element.
- Configuration and Provisioning
- Capability discovery
2. Implementation of telemetry probes in various internal sub systems of a network element.
3. Open-source based Export mechanisms via which telemetry data is generated
Yet another discussion about how broken network monitoring and management is. Maybe it's time for NANOG to organize a user revolt against vendors. Come up with a list of what customers need and tell vendors that they need to meet the new requirements. How about config file management with commit testing and rollback Cisco?

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