11-12 June 2018
Orea Hotel Voronez
Europe/Prague timezone

Network Fault Isolation

11 Jun 2018, 12:05
25m
Congress Hall (Orea Hotel Voronez)

Congress Hall

Orea Hotel Voronez

Krizkovskeho 47 603 73 Brno Czech Republic
CSNOG1

Description

NFI (Network Fault Isolation) - Active network monitoring

Most network monitoring relies in the individual network devices themselves telling you that they are healthy or unhealthy via syslog messages, SNMP data, etc. In a Facebook scale network we just can’t trust the network devices to accurately report health in all the possible failure cases that may exist. In addition to the standard network monitoring tools, we also actively probe our network with test traffic to ensure it’s behaving exactly as we expect. We can now find the network devices that don’t even know they are dropping packets even when they exist several layers deep inside the network.

Type of Presentation

Primary author

Mr Richard Sheehan (Facebook)

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