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No Interruption When Reconfiguring my SFCs

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Abstract

Software Defined Networking (SDN) and NetworkFunction Virtualization (NFV) are complementary and corecomponents of modernized networks. In this paper, we considerthe problem of reconfiguring Service Function Chains (SFC)with the goal of bringing the network from a sub-optimal toan optimal operational state. We propose optimization modelsbased on themake-before-breakmechanism, in which a new pathis set up before the old one is torn down. Our method takes intoconsideration the chaining requirements of the flows and scaleswell with the number of nodes in the network. We show that,with our approach, the network operational cost defined in termsof both bandwidth and installed network function costs can bereduced and a higher acceptance rate can be achieved, while notinterrupting the flows.
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Dates and versions

hal-02295967 , version 1 (24-09-2019)

Identifiers

  • HAL Id : hal-02295967 , version 1

Cite

Adrien Gausseran, Andrea Tomassilli, Frédéric Giroire, Joanna Moulierac. No Interruption When Reconfiguring my SFCs. CloudNet 2019 - 8th IEEE International Conference on Cloud Networking, Nov 2019, Coimbra, Portugal. ⟨hal-02295967⟩
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