… one of the most promising way for the future network. Its main object is to efficiently assign
the nodes and links of a virtual network (VN) to a shared substrate network (SN). The NP-hard …

… , Network Virtualization (NV) offers efficient resource sharing by embedding multiple Virtual
Networks (VNs) on a single Substrate Network (… virtual nodes and links onto substrate nodes …

… virtual node to be embedded, its candidate substrate nodes … nodes; in this way, we take
full advantage of the connectivity in both virtual and substrate topologies, and coordinate node …

… ding a virtual network (VN) on a substrate network while ensuring VN connectivity (without …
to efficiently map the virtual nodes and virtual links from an SP’s VN request onto substrate …

… network testbeds. In this paper we apply the Markov Random Walk (RW) model to rank a
network node … Modeling connectivity is challenging, and in this paper we define a jumping prob…

… , how the connectivity layer constructs a virtual network (from virtual nodes and links …
how to instantiate virtual networks at different layers on the infrastructure nodes and present …

… connectivity for the virtual network is ensured against multiple link failures in the physical
network. In … In the case that we are required to assign resources to both virtual nodes and virtual …

… In fact, connectivity reconfiguration for X2 and S1 backhaul interfaces needs to be provided
… customer virtual network (CVN) reconfiguration to be supported in metro and core network …

… if each node in the virtual network is equipped … virtual requests)1 while ensuring network
connectivity against single-link failures and guaranteeing that all nodes in the virtual network …

… of virtual links to physical paths in the subsequent phase. To this end, we extend the physical
network graph by introducing meta-nodes for each virtual … The average VN connectivity is …