… We focus on the scenario of one single network function that requires all the data packets
of the flows to be processed before they leave the network. This is common for many network …

… solution for joint optimization of VNF chain placement and … network to model VNF chains.
Our model not only captures the actual network traffic characteristics in datacenter networks…

… the placement of NFs is jointly considered and exploited in the overall optimization. Such joint
… the problem of joint optimization over the placement of network function chains and the as…

… placement and capacity allocation subproblems are both NP-hard. Further, we show that the
objective function of the placement … consider a joint problem of VNF-nodes placement and …

… to the traditional cloud network scenario, we investigate the research progress of VNF
placement problems in emerging placing scenarios, eg, backbone networks, mobile networks, and …

… and placement of network functions in a virtualized RAN is critical to efficiently using the
access network resources. This problem represents the latest advancement in 5G networks …

… of network functions, the origins of service chains and the On-path placement of network
functions… models to evaluate joint caching and pricing strategies among access networks, transit …

… Network functions process traffic flows singularly or in sync with other network functions
in a service chain to enable a service. Examples of network functions include firewalls, load …

… Network service in NFV is deployed as Service Function Chain (SFC) that … Network
Functions (VNFs). In this paper, we focus on the VNF placement problem in data center networks …

… As far as we are aware, none of the above papers have considered the joint optimization
problem of VNFs routing and placement in a multi-clouds scenario. In this work, we formulate …