… offer a Bandwidth on Demand (BoD) service in the core network for efficient inter-data center
communication. We believe we are the first to address the inter-data center capacity issue …

… In this section, we present the bandwidth on-demand model for multimedia big data transfer
across geo-distributed data centers. The aim of this section is to describe the role, objectives…

… state-of-the-art method for homogeneous demand [5] can be … • We propose a heterogeneous
bandwidth demand abstrac… VM allocation for heterogeneous bandwidth demand is an NP-…

… b p r and f r (lower limit of flexibility) to zero, minimum bandwidth b m r to the (single-rate)
bandwidth demand and E r to the actual duration, for every request r. With this setting, the …

… of data stored in remote data centers, so as to … bandwidth on demand (BoD). In a nutshell,
BoD allows end-users to request high capacity, short term and flexible circuits with bandwidth …

… show that CloudMirror can handle 40% more bandwidth demand than the state of the art (eg,
the … Anti-affinity also increases the need for bandwidth saving in oversubscribed datacenter …

… centers [13–15]. In contrast, in this paper, we model the communication bandwidth demand
of … follows normal distribution, which better captures the dynamics of bandwidth requirement. …

… In this case, the network resource cannot satisfy the VM’s demand, so our system allocates
extra bandwidth resource automatically in advance. For this phase, the MAPE of simple …

… bandwidth across data centers … bandwidth guarantee means that the allocated bandwidth
to each inter-datacenter flow must be exactly equal to the corresponding bandwidth demand…

… to generate a bandwidth request to the Network Control Center (NCC). In turn, the NCC
globally shares out the available bandwidth among the requesting SGs according to a suitable …