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Data center networks often use multi-rooted Clos topologies to provide a large number of equal cost paths between two hosts. Thus, load balancing traffic among the paths is important for high performance and low latency. However, it is well known that ECMP—the de facto load balancing scheme—performs poorly in data center networks. The main culprit of ECMP’s problems is its congestion agnostic nature,...
Load balancing is the salient problem in data stream processing systems and also in complex event processing systems. And the imbalance in operational workers becomes extremely apparent as the scale is up with more workers and skewed datasets. In this paper, we find out that the upstream skewed sources can also exacerbate the load imbalance in the downstream workers and this bottleneck cannot be handled...
Despite being industry standard, load balancing via virtual machine (VM) migration methods in modern cloud data centers still exhibit two major performance issues: resulting system load balancing degree and total time till balanced state. Over the years research has been conducted to improve these metrics. Yet due to the fact that these issues influence each other, it has been a challenge to achieve...
Demand Response (DR) refers to the scenarios in which the energy consumer reduce its own consume for some financial purpose, or even during critical energy periods. It is notorious that DR devices are indispensable in Smart Grid operations. DR allows a smart load management, and, when added to the Smart Grid operation, makes possible the optimization of Distributed Generation, Energy Storage and still...
In Data center network, with the rapid development of network applications, how to balance the network load has become the focus of everyone's attention. It is required to fully utilize the resources such as bandwidth to provide high bandwidth for various cloud computing service. In this paper, we propose a dynamic load balancing routing mechanism based on disturbance under SDN. The proposed scheme...
Service Function Chaining (SFC) consists of SFC data plane and control plane from the aspect of architecture. The standard document of I-D.ietf-sfc-control-plane-00 describes requirements for delivering information between SFC control elements and SFC functional elements. This paper defines requirements of management of SFC control plane and defines Yang data model of management operations performed...
In just about 4 years, IPv6 will celebrate its 20th anniversary. While the protocol itself is already quite old, its deployment has only recently picked up speed. Not so many Internet service providers offer direct IPv6 connectivity to their customers, yet. Clearly, when IPv6 is available to customers, they expect that IPv6 offers at least the same - or even better - stability of connections in comparison...
We propose a method for dynamic load balancing in wireless LANs (WLANs), which adapts association topology dynamically based on traffic conditions, while keeping the handoff overhead negligible using virtualized wireless network interfaces (WNICs). In large-scale WLANs, there are many locations that each station (STA) can discover multiple access points (APs). In these locations, the conventional...
Data center networks typically have many paths connecting each host pair to achieve high bisection bandwidth for arbitrary communication patterns. Fully utilizing the bisection bandwidth may require flows between the same source and destination pair to take different paths. However, existing routing protocols have little support for load-sensitive adaptive routing. We propose DARD, a Distributed Adaptive...
HLA-based simulations can experience performance degradation due to communication latencies between simulation federates, which generate significant cumulative overhead. Even though the HLA standard provides mechanisms to decrease the misuse of network resources, it does not present any tool to diminish the communication latencies between interactive federates. Moreover, the interaction dependencies...
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