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COMPUTER-IMPLEMENTED METHOD FOR REDUCING SERVICE DISRUPTION TIMES FOR A UNIVERSAL CUSTOMER PREMISE EQUIPMENT, UCPE, DEVICE WITH RESOURCE CONSTRAINT IN A NETWORK FUNCTIONS VIRTUALIZATION, NFV, NETWORK INFRASTRUCTURE
COMPUTER-IMPLEMENTED METHOD FOR REDUCING SERVICE DISRUPTION TIMES FOR A UNIVERSAL CUSTOMER PREMISE EQUIPMENT, UCPE, DEVICE WITH RESOURCE CONSTRAINT IN A NETWORK FUNCTIONS VIRTUALIZATION, NFV, NETWORK INFRASTRUCTURE
A computer-implemented method for reducing service disruption times in a network functions virtualization, NFV, network infrastructure comprising at least one uni-versal customer premise equipment, uCPE, having hardware resources used for running virtual network functions, VNFs, on virtual machines, VMs, wherein in response to a request for substituting an im-plemented virtual network function, VNF, linked to other virtual network functions, VNFs, in a VNF service chain by another substitution VNF resource allocation ratios of available hardware resources of the universal custom-er premise equipment, uCPE, are automatically increased from a default value by oversubscription to provide the hardware resources required by the substitution VNF.
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