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1. (US20180152347) Network Function Virtualisation

Office : United States of America
Application Number: 15578335 Application Date: 03.06.2015
Publication Number: 20180152347 Publication Date: 31.05.2018
Publication Kind : A1
Prior PCT appl.: Application Number:PCTEP2015062445 ; Publication Number: Click to see the data
IPC:
H04L 12/24
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12
Data switching networks
02
Details
24
Arrangements for maintenance or administration
CPC:
H04L 41/0816
H04L 41/0843
H04L 41/0853
H04L 41/0873
H04L 41/0896
Applicants: Telefonaktiebolaget LM Ericsson (publ)
Inventors: PRUDHVI DHANDU
KANDHASAMY NARAYANAN PREMNATH
SVEN VAN DER MEER
Priority Data:
Title: (EN) Network Function Virtualisation
Abstract: front page image
(EN)

A first virtual network function (VNF1, 51) in a communications network (5) is activated to operate in accordance with a configuration defined in a configuration file (21). It is determined when the first virtual network ftmction (51) is required to change from an active state to a sleep state. A sleep state configuration file (31) is stored for the first virtual network function (51) at a network management system (10). A change of network conditions is detected in the network. The sleep state configuration file (31) of the first virtual network function (51) is updated in response to the detected change of network conditions while the first virtual network function (51) is in the sleep state. Detecting a change of network conditions in the network can comprise detecting a change to another virtual network ftmction (52, 53, 54) active in the network, or another virtual network function (52) in the sleep state, which impacts the configuration (21) of the first virtual network function (51).