class a network nodes
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An Optimal Weighted-Average Congestion Based Pricing Scheme for Enhanced QoS
White Paper This paper considers the problem of pricing for congestion control in the case of a network of nodes under a single service class and multiple queues, and presents a multi-layered pricing scheme. The pricing policy used depends on a weighted... [04 Aug 2008]
QoS Support in MPLS Networks
White Paper Furthermore, when an MPLS network supports DiffServ, traffic flows can receive class-based admission, differentiated queue servicing in the network nodes, preemption priority, and other network treatment that provide bases for QoS guarantees. [18 Jul 2008]
Intelligent Routing and Bandwidth Allocation in Wireless Networks
White Paper These problems are further aggravated by energy and bandwidth constraints on the network nodes. Increasingly heterogeneous nodes and a multitude of new emerging Earth science applications put additional restrictions on throughput and delay... [11 Jul 2008]
A Column-Generation and Branch-and-Cut Approach to the Bandwidth-Packing Problem
White Paper Calls between pairs of nodes define the commodities, and links connecting nodes represent transmission lines in the telecomm network. It belongs to the broad class of multi-commodity flow problems that are commonly associated with communication... [11 Jul 2008]
Queueing Model for Performance Analysis of a Network Interface Card
White Paper However by identifying the bottleneck node and modeling it accurately, and modeling the rest of the nodes using approximations, the system performance can be analyze. The complexity of the problem is due to the fact that it is a combination of... [11 Jul 2008]
Nortel Network Case Study: TeleCable
White Paper Finally, the Optical Metro 5200 links the core nodes with a high-speed optical backbone. Provider Backbone Bridges (IEEE 802.1ah) deliver massive scalability, whilst carrier-class OAM (Operations, Administration and Maintenance) provides a range of... [19 Dec 2007]
Multipath Power Sensitive Routing Protocol for Mobile Ad Hoc Networks
White Paper As the mobile nodes in the network work on low power batteries, the need to take into account their power consumption arises. This paper focuses on a particular on-demand routing protocol, called Dynamic Source Routing, and shows how an efficient... [02 Aug 2007]
Energy-Efficient Bootstrapping for Wireless Sensor Networks
White Paper This paper describes a bootstrapping protocol for a class of sensor networks consisting of a mix of low-energy sensor nodes and a small number of high-energy entities called gateways. Very little attention has been paid to network bootstrapping as... [01 Aug 2007]
Towards Achieving the Maximum Capacity in Large Mobile Wireless Networks Under Delay Constraints
White Paper It develops a systematic methodology for studying this problem in the asymptotic region when the number of nodes n in the network is large. The paper first identifies a number of key parameters for a large class of scheduling schemes, and... [20 Jul 2007]
Norwich gets free city-centre wi-fi
News Central zones have gained a full mesh network, whereby hundreds of nodes (fixed to lampposts) simultaneously provide wi-fi access to passers-by and communicate with each other to pass information to and from the main internet connection. [02 Aug 2006]
Intel hangs mesh hopes on 802.11s
By limiting the initial core functions, the company says, the additional amount of processing required in the network nodes will be easily managed by the existing class of network adaptors and consumer electronic devices, and as no changes need to... [03 Mar 2005]
Carrier Network Infrastructure for Integrated Optical and IP Network
White Paper They and their nodes must thus support higher speeds, larger capacities, and higher reliability. For backbone IP networks Hitachi provides a large-capacity, multi-functional IP node, the GR2000, and is developing a next-generation tera-bit-class IP... [09 Dec 2004]
Micromuse Helps One 2 One Quickly Respond to Mobile Growth
White Paper To continue to thrive in this fast-moving environment, One 2 One looked at a number of options for consolidating alarms from its network nodes. The Micromuse's Netcool suite of products has provided a seamless, best-in-class solution for One 2 One... [23 Nov 2004]
Sasser worm infects a million computer systems
News Akamai used the data from its 15,000 network nodes scattered around the internet to get a picture of how the Sasser worms were spreading. The firm uses sensors on a class B network, representing about 65,000 addresses or two-thousandths of one per... [04 May 2004]
Notes on Path Computation in Constraint-Based Routing
White Paper This frees network administrators from the tedium of maintaining detailed path specifications, and allows them to view the network at a higher level of abstraction (i.e.in terms of resources and constraints rather than nodes and links), resulting... [25 Feb 2004]
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