traffic optimization in white papers
Design of Hybrid Optical Networks With Waveband and Electrical TDM Switching
White Paper The paper investigates the network-optimization problem with static traffic to minimize the overall network switch cost. A mathematical formulation of the optimization problem and its solutions are presented. [18 Jul 2008]
On Optimal Routing With Multiple Traffic Matrices
White Paper Routing optimization is used to find a set of routes that minimizes cost (delay, utilization). Previous work has addressed this problem for the case of a known, static end-to-end traffic matrix. In the Internet, it is difficult to accurately... [18 Jul 2008]
Performance Enhancements of UMTS Networks Using End-to-End QoS Provisioning
White Paper The effort was put on QoS class mapping from DiffServ to UMTS, Access Control, buffering and scheduling optimization. The DiffServ Code Point was utilized in the E2E UMTS QoS provisioning to differentiate different types of traffic. [18 Jul 2008]
VFMAs, Virtual-Flow Multipath Algorithms for MPLS
White Paper The virtual-flow multipath routing problem is formulated as a MultiCommodity Network Flow (MCNF) problem, and is solved by implementing on-line the Dantzig-Wolfe decomposition method, which is proven to converge to the optimal solution through an... [18 Jul 2008]
Is Your Network Ready for VoIP?
White Paper Download and read this paper, presented by Packeteer, Inc.the global leader in WAN Application Optimization, for a Q&A that addresses many critical issues pertaining to VoIP's viability, regardless of which vendor's IP-PBX system is deployed... [15 Jul 2008]
A Bandwidth Allocation Model With High Concurrence Rate in IEEE802.16 Mesh Mode
White Paper Scheduling scheme based on the optimization model serves the centralized scheduling first and compresses the scheduling time to minimum by enhancing concurrence rate among links, thus more time slots can be saved for distributed scheduling. [11 Jul 2008]
Optimal Bandwidth Reservation in Hose-Model VPNs With Multi-Path Routing
White Paper Bandwidth provisioning for VPNs leads to challenging optimization problems. In the hose model proposed by Duffield et al.each VPN endpoint specifies bounds on the total amount of traffic that it will send or receive at any time. [11 Jul 2008]
Path Selection and Bandwidth Allocation in MPLS Networks
White Paper The optimization is based upon the minimization of a non-linear objective function which under light load simplifies to OSPF routing with link metrics equal to the link propagation delays. MPLS networks carry traffic on virtual connections called... [11 Jul 2008]
Utility Proportional Fair Bandwidth Allocation: An Optimization Oriented Approach
White Paper With the concept of utility functions, where each source uses a utility function to evaluate the benefit from achieving a transmission rate, it is interpreted the resource allocation problem as a global optimization problem. [11 Jul 2008]
Capacity Planning of Survivable MPLS Networks Supporting DiffServ
White Paper The problem is formulated as an optimization problem, where the routes are jointly selected for edge to edge EF and BE user demand pairs, and assign a discrete capacity value for each link. This paper studies the issue of capacity planning for... [11 Jul 2008]
Multi-Objective Optimization of Bandwidth Broker With Evolutionary Algorithm
White Paper The bandwidth allocation and reconfiguration of topology in Optical Transport Networks (OTN) with DWDM and lambda switching is a process of rearranging a virtual topology to meet traffic demands that change over a period of time. [11 Jul 2008]
Throughput Optimization and Fair Bandwidth Allocation in Multi-Hop Wireless LANs
White Paper A number of researchers have studied this problem in the context of (single-hop) Wireless Local Area Networks (WLANs), where clients directly exchange traffic with Access Points (APs). More recently, researchers have proposed multi-hop extensions... [11 Jul 2008]
Link Dimensioning and LSP Optimization for MPLS Networks Supporting DiffServ EF and BE Traffic Classes
White Paper This paper addresses the problem of link dimensioning and Lable Switching Path (LSP) optimization for MPLS networks supporting DiffServ EF and BE traffic classes. The problem is formulated as an optimization problem, where the goal is to minimize... [10 Jul 2008]
Robust Load Balancing in Wireless Networks
White Paper It presents a robust approach that enables cross-layer optimization of both transmission schedule and routing without the knowledge of traffic matrix. Further, the paper shows that even if a traffic matrix estimate is available, it would have to be... [10 Jul 2008]
Load Balancing by MPLS in Differentiated Services Networks
White Paper The first approximation defines the paths using the LP-optimization and after that allocates traffic using the NLP-optimization. The capability of MPLS of explicit routing as well as of splitting of the traffic on several paths allows load balancing. [10 Jul 2008]
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