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A Quantitative Assured Forwarding service
Proceedings - IEEE INFOCOM - Tập 2 - Trang 864-873 vol.2
N. Christin, J. Liebeherr, T.F. Abdelzaher
The Assured Forwarding (AF) service of the IETF DiffServ architecture provides a qualitative service differentiation between classes of traffic, in the sense that a low-priority class experiences higher loss rates and higher delays than a high-priority class. However, the AF service does not quantify the difference in the service given to classes. In an effort to strengthen the service guarantees ...... hiện toàn bộ
#Delay #Scheduling algorithm #Diffserv networks #Admission control #Traffic control #Throughput #Computer science #Computer architecture #Testing #Ethernet networks
Delay bounds for approximate maximum weight matching algorithms for input queued switches
Proceedings - IEEE INFOCOM - Tập 2 - Trang 1024-1031 vol.2
D. Shah, M. Kopikare
Input Queued (IQ) switch architecture has been of interest due to its low memory bandwidth requirement. A scheduling algorithm is required to schedule the transfer of packets through cross-bar switch fabric at every time slot. The performance, that is throughput and delay, of a switch depends on the scheduling algorithm. The maximum weight matching (MWM) algorithm is known to deliver 100% throughp...... hiện toàn bộ
#Delay #Impedance matching #Scheduling algorithm #Switches #Throughput #Traffic control #Approximation algorithms #Bandwidth #Packet switching #Fabrics
Impromptu measurement infrastructures using RTP
Proceedings - IEEE INFOCOM - Tập 3 - Trang 1490-1499 vol.3
R. Caceres, N. Duffield, T. Friedman
Dedicated infrastructures for end-to-end measurements are complex to deploy and manage. Equipment cost, the requirements for reporting bandwidth, and the administrative diversity of the Internet, are factors that potentially hamper scalability. This paper describes the architecture and implementation of an alternative approach in which the end-to-end probing and measurement reporting functions are...... hiện toàn bộ
#Telecommunication traffic #Delay estimation #Loss measurement #Particle measurements #Internet #Tomography #Unicast #Costs #Bandwidth #Scalability
Connectivity in ad-hoc and hybrid networks
Proceedings - IEEE INFOCOM - Tập 2 - Trang 1079-1088 vol.2
O. Dousse, P. Thiran, M. Hasler
We consider a large-scale wireless network, but with a low density of nodes per unit area. Interferences are then less critical, contrary to connectivity. This paper studies the latter property for both a purely ad-hoc network and a hybrid network, where fixed base stations can be reached in multiple hops. We assume here that power constraints are modeled by a maximal distance above which two node...... hiện toàn bộ
#Intelligent networks #Base stations #Ad hoc networks #Large-scale systems #Wireless networks #Communication systems #Interference constraints #Cities and towns #Cellular networks #Impedance
On the scalability of ad hoc routing protocols
Proceedings - IEEE INFOCOM - Tập 3 - Trang 1688-1697 vol.3
C.A. Santivanez, B. McDonald, I. Stavrakakis, R. Ramanathan
A novel framework is presented for the study of scalability in ad hoc networks. Using this framework, the first asymptotic analysis is provided with respect to network size, mobility, and traffic for each fundamental class of ad hoc routing algorithms. Protocols studied include the following: plain flooding (PF), standard link state (SLS), dynamic source routing (DSR), hierarchical link state (Hie...... hiện toàn bộ
#Scalability #Routing protocols #Ad hoc networks #Telecommunication traffic #Algorithm design and analysis #Floods #Laser sintering #Traffic control #Mobile ad hoc networks #Analytical models
Fast PDA synchronization using characteristic polynomial interpolation
Proceedings - IEEE INFOCOM - Tập 3 - Trang 1510-1519 vol.3
A. Trachtenberg, D. Starobinski, S. Agarwal
Modern personal digital assistant (PDA) architectures often utilize a wholesale data transfer protocol known as "slow sync" for synchronizing PDAs with personal computers (PCs). This approach is markedly inefficient with respect to bandwidth usage and latency, since the PDA and PC typically share many common records. We propose, analyze, and implement a novel PDA synchronization scheme (CPIsync - ...... hiện toàn bộ
#Polynomials #Interpolation #Personal digital assistants #Protocols #Delay #Computer architecture #Microcomputers #Personal communication networks #Bandwidth #Information analysis
Adaptive resource allocation in SDMA-based wireless broadband networks with OFDM signaling
Proceedings - IEEE INFOCOM - Tập 3 - Trang 1376-1385 vol.3
I. Koutsopoulos, L. Tassiulas
The increasing popularity of wireless broadband access in local and wide area networks is the main expression of the need for flexible and ubiquitous wireless connectivity. In order to satisfy user resource requirements in the presence of volatility of the wireless medium, sophisticated multiple access and adaptation techniques are required, which alleviate channel impairments and increase system ...... hiện toàn bộ
#Resource management #Broadband communication #OFDM #Throughput #Broadband antennas #Wide area networks #Ubiquitous computing #Base stations #Space stations #Multiaccess communication
How good are deterministic fluid models of Internet congestion control?
Proceedings - IEEE INFOCOM - Tập 2 - Trang 497-505 vol.2
S. Shakkottai, R. Srikant
Congestion control algorithms used in the Internet are difficult to analyze or simulate on a large scale, i.e., when there are large numbers of nodes, links and sources in a network. The reasons for this include the complexity of the actual implementation of the algorithm and the randomness introduced in the packet arrival and service processes due to many factors such as arrivals and departures o...... hiện toàn bộ
#Internet #Delay #Differential equations #Proportional control #Fluid flow control #Throughput #Bandwidth #Predictive models #IP networks #Algorithm design and analysis
Optimal MAC state switching for cdma2000 networks
Proceedings - IEEE INFOCOM - Tập 1 - Trang 400-406 vol.1
M. Chatterjee, S.K. Das
This paper deals with the performance modeling of the various MAC states as defined by the cdma2000 protocol. Our method uses a composite performance metric which has the capability of proportionally combining three basic parameters: channel utilization, waiting time and the saving in the signalling overhead. The scheduler at the base station is not only responsible for admitting new services into...... hiện toàn bộ
#Delay #Measurement #System performance #Switches #Computer science #Electronic mail #Media Access Protocol #Wireless application protocol #Base stations #Traffic control
QoS routing for mobile ad hoc networks
Proceedings - IEEE INFOCOM - Tập 2 - Trang 958-967 vol.2
Chenxi Zhu, M.S. Corson
A quality-of-service (QoS) routing protocol is developed for mobile ad hoc networks. It can establish QoS routes with reserved bandwidth on a per flow basis in a network employing TDMA. An efficient algorithm for calculating the end-to-end bandwidth on a path is developed and used together with the route discovery mechanism of AODV to setup QoS routes. In our simulations the QoS routing protocol p...... hiện toàn bộ
#Mobile ad hoc networks #Quality of service #Routing protocols #Bandwidth #Ad hoc networks #Media Access Protocol #Time division multiple access #Delay #Bidirectional control #Throughput
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