The document discusses the need for agile and mobile network services, highlighting the limitations of traditional IP infrastructures. It explores the roles of Software-Defined Networking (SDN) and Network Virtualization (NV) in automating and scaling networks for cloud environments. The paper introduces three algorithms aimed at improving the temporary interconnection of two virtual networks managed by an SDN controller.

1. On effective virtual networks interconnection
Abstract:
The network services today require extremely agile and mobile, however, the traditional IP
infrastructures are so rigid that cannot fit services well. A way should be put forward to
automate the network to improve responsiveness to change. SDN and network virtualization
(NV) are two hottest approaches to make networking more automated and scalable to support
virtualized and cloudenvironments. Network virtualization combines hardware and software
network resources and network functionality into a single virtual network. SDN is created to
simplify traffic management and achieve operational efficiencies by establish and exercising
central control over packet forwarding. In this paper, we focus on the situation where SDN
controller needs to connect two virtual networks temporarily. We put forward three algorithms
to try to make this connection more effective and evaluate these three algorithms.