David Gelernter

Traffic engineering with forward fault correction

Hongqiang Harry Liu, Srikanth Kandula, Ratul Mahajan, Ming Zhang, David Gelernter
Appears in: 
CCR August 2014

Network faults such as link failures and high switch configuration delays can cause heavy congestion and packet loss. Because it takes time for the traffic engineering systems to detect and react to such faults, these conditions can last long—even tens of seconds. We propose forward fault correction (FFC), a proactive approach for handling faults. FFC spreads network traffic such that freedom from congestion is guaranteed under arbitrary combinations of up to k faults.

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