On the Necessity of Accounting for Resiliency in SFC
Programmability for Cloud Networks and Applications 2016 (PROCON 2016), Würzburg, Germany, (September 2016)Abstract
When deploying network service function chains the focus is usually given
on
metrics such as the cost, the latency, or the energy and it is assumed that
the
underlying cloud infrastructure provides of resiliency mechanisms to
handle
with the disruptions occurring in the physical infrastructure. In this
position
paper, we advocate that while usual performance metrics are essential to
decide
on the deployment of network service function chains, the notion of
resiliency
should not be neglected as the choice of virtual-to-physical placement may
dramatically improve the ability of the service chains to handle with
failures
of the infrastructure without requiring complex resiliency mechanisms.
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