The Network Function Virtualization paradigm enables the possibility to dynamically instantiate Virtual Network Functions (VNFs) in Commercial-Off-The-Shelf (COTS) hardware. Such VNFs are then concatenated together in Service Chains (SCs) to provide specific Internet services to the users. Depending on latency requirements for such services and considering the aim of maximally consolidating the VNFs (i.e., of minimizing the COTS hardware), the VNFs can be centralized in few datacenters in the core network or they can be distributed closer to the edge of the network. In this paper we evaluate the impact of latency requirements of SCs on VNF distribution towards the edge of the network, by also showing the benefits of a Fixed and Mobile Convergent (FMC) metro/access network, with respect to a non-convergent network, in terms of consolidation.
Savi, M., Hmaity, A., Verticale, G., Höst, S., Tornatore, M. (2016). To distribute or not to distribute? Impact of latency on Virtual Network Function distribution at the edge of FMC networks. In International Conference on Transparent Optical Networks (ICTON) (pp.1-4). IEEE Computer Society [10.1109/ICTON.2016.7550576].
To distribute or not to distribute? Impact of latency on Virtual Network Function distribution at the edge of FMC networks
Savi Marco
Primo
;
2016
Abstract
The Network Function Virtualization paradigm enables the possibility to dynamically instantiate Virtual Network Functions (VNFs) in Commercial-Off-The-Shelf (COTS) hardware. Such VNFs are then concatenated together in Service Chains (SCs) to provide specific Internet services to the users. Depending on latency requirements for such services and considering the aim of maximally consolidating the VNFs (i.e., of minimizing the COTS hardware), the VNFs can be centralized in few datacenters in the core network or they can be distributed closer to the edge of the network. In this paper we evaluate the impact of latency requirements of SCs on VNF distribution towards the edge of the network, by also showing the benefits of a Fixed and Mobile Convergent (FMC) metro/access network, with respect to a non-convergent network, in terms of consolidation.File | Dimensione | Formato | |
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2016_ICTON_Distribute_Not_Distribute_VNFs.pdf
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