Hits ?▲ |
Authors |
Title |
Venue |
Year |
Link |
Author keywords |
86 | Wang-Chien Lee, Qinglong Hu, Dik Lun Lee |
Channel Allocation Methods for Data Dissemination in Mobile Computing Environments. |
HPDC |
1997 |
DBLP DOI BibTeX RDF |
channel allocation methods, on-demand channels, access performance, mobile cell, optimal access time, data access efficiency, optimal channel allocation, lightly-loaded, medium-loaded, heavy-loaded, simulations, wireless LAN, workload, data dissemination, system performance, telecommunication channels, mobile computing systems, broadcast channels, system parameters |
67 | Derek L. Eager, Edward D. Lazowska, John Zahorjan |
A Comparison of Receiver-Initiated and Sender-Initiated Adaptive Load Sharing. |
SIGMETRICS |
1985 |
DBLP DOI BibTeX RDF |
|
57 | Alex Varshavsky, Baochun Li, Eyal de Lara |
Cross-Layer Flow Control in Lightly-Loaded Multi-Hop Ad Hoc Networks. |
ICPP Workshops |
2004 |
DBLP DOI BibTeX RDF |
|
54 | Tariq Omari, Seyed H. Hosseini, K. Vairavan |
Traveling Token for Dynamic Load Balancing. |
NCA |
2004 |
DBLP DOI BibTeX RDF |
|
52 | Vijay Kumar 0002, Jerry Place, Gi-Chul Yang |
An Efficient Algorithm for Mutual Exclusion Using Queue Migration in Computer Networks. |
IEEE Trans. Knowl. Data Eng. |
1991 |
DBLP DOI BibTeX RDF |
queue migration, nonsymmetric deadlock-free mutual exclusion algorithm, lightly loaded system, performance evaluation, performance, computer networks, computer networks, queueing theory, network topology, mutual exclusion, network operating systems |
47 | Mahmoud Mofaddel, Djamshid Tavangarian |
User-Profile Adaptable Resource Management System for Workstation Cluster Architectures. |
EUROMICRO |
1998 |
DBLP DOI BibTeX RDF |
Job Management Systems, Concurrent Networks, Workstation Clusters |
47 | Vernon Rego |
A comparison of two token-passing bus protocols. |
SIGCOMM |
1986 |
DBLP DOI BibTeX RDF |
|
42 | Khaled A. Ali, Hossam S. Hassanein, Hussein T. Mouftah |
Directional Cell Breathing Based Reactive Congestion Control in WCDMA Cellular Networks. |
ISCC |
2007 |
DBLP DOI BibTeX RDF |
|
40 | Gerald Sabin, Vishvesh Sahasrabudhe, P. Sadayappan |
Assessment and enhancement of meta-schedulers for multi-site job sharing. |
HPDC |
2005 |
DBLP DOI BibTeX RDF |
|
40 | Li Xiao 0001, Xiaodong Zhang 0001, Stefan A. Kubricht |
Incorporating Job Migration and Network RAM to Share Cluster Memory Resources. |
HPDC |
2000 |
DBLP DOI BibTeX RDF |
|
40 | Susan S. Owicki, Anna R. Karlin |
Factors in the Performance of the AN1 Computer Network. |
SIGMETRICS |
1992 |
DBLP DOI BibTeX RDF |
|
37 | Don Scoffield, John Smart, Timothy D. Pennington, C. Birk Jones, Matthew S. Lave, Anudeep Medam, Bhaskar Mitra 0002 |
Strategies to Maintain Voltage on Long, Lightly Loaded Feeders with Widespread Residential Level 2 Plug-in Electric Vehicle Charging. |
CoRR |
2022 |
DBLP DOI BibTeX RDF |
|
37 | Changrui Chen, Zhongmin Deng, Hong Wang, Tian He 0004 |
Simulation of Friction Fault of Lightly Loaded Flywheel Bearing Cage and Its Fault Characteristics. |
Sensors |
2022 |
DBLP DOI BibTeX RDF |
|
37 | Arunava Naha, Anik Kumar Samanta, Aurobinda Routray, Alok Kanti Deb |
A Method for Detecting Half-Broken Rotor Bar in Lightly Loaded Induction Motors Using Current. |
IEEE Trans. Instrum. Meas. |
2016 |
DBLP DOI BibTeX RDF |
|
37 | Wan Yeon Lee |
Energy-Efficient Scheduling of Periodic Real-Time Tasks on Lightly Loaded Multicore Processors. |
IEEE Trans. Parallel Distributed Syst. |
2012 |
DBLP DOI BibTeX RDF |
|
37 | Mengru Zhang, Wenyu Li, Shucong Jia, Lin Zhang 0013, Yu Liu 0001 |
A Lightly-loaded cell initiated Load Balancing in LTE self-optimizing networks. |
CHINACOM |
2011 |
DBLP DOI BibTeX RDF |
|
37 | Aden Grue, Wayne D. Grover, Matthieu Clouqueur, Dominic A. Schupke, Dimitri Baloukov, Diane Prisca Onguetou, Brian Forst |
CAPEX Costs of Lightly Loaded Restorable Networks under a Consistent WDM Layer Cost Model. |
ICC |
2009 |
DBLP DOI BibTeX RDF |
|
37 | David J. Evans 0001, A. Calinescu |
Dynamic Load Balancing Algorithms for Heavily and Lightly Loaded Homogenous Distributed Systems. |
Parallel Algorithms Appl. |
1995 |
DBLP DOI BibTeX RDF |
|
37 | B. Simon, L. G. Votta |
The Optimal Retry Distribution for Lightly Loaded Slotted Aloha Systems. |
IEEE Trans. Commun. |
1985 |
DBLP DOI BibTeX RDF |
|
37 | Ashok K. Agrawala, Ronald L. Larsen |
Experience with the central server model on a lightly-loaded system. |
ANSS |
1976 |
DBLP BibTeX RDF |
|
37 | William E. Langlois |
The Lightly Loaded Foil Bearing at Zero Angle of Wrap. |
IBM J. Res. Dev. |
1963 |
DBLP DOI BibTeX RDF |
|
35 | Mohammad Riaz Moghal, Mohammad Saleem Mian |
QoS-Aware Adaptive Resource Management in Distributed Multimedia System Using Server Clusters. |
CLUSTER |
2003 |
DBLP DOI BibTeX RDF |
|
27 | Haiying Shen, Cheng-Zhong Xu 0001 |
Locality-Aware and Churn-Resilient Load-Balancing Algorithms in Structured Peer-to-Peer Networks. |
IEEE Trans. Parallel Distributed Syst. |
2007 |
DBLP DOI BibTeX RDF |
Cycloid, peer-to-peer, load balancing, distributed hash table, heterogeneity, proximity |
27 | Murad Abusubaih, Adam Wolisz |
An optimal station association policy for multi-rate ieee 802.11 wireless lans. |
MSWiM |
2007 |
DBLP DOI BibTeX RDF |
IEEE 802.11, association, wlans, access point selection |
27 | Dongmei Zhao, Xuemin Shen, Jon W. Mark |
Soft handoff and connection reliability in cellular CDMA downlinks. |
IEEE Trans. Wirel. Commun. |
2006 |
DBLP DOI BibTeX RDF |
|
27 | Yingwu Zhu, Yiming Hu |
Efficient, Proximity-Aware Load Balancing for DHT-Based P2P Systems. |
IEEE Trans. Parallel Distributed Syst. |
2005 |
DBLP DOI BibTeX RDF |
Proximity-aware, virtual server, peer-to-peer, load balancing |
27 | Gary S. H. Tan, Anders Persson, Rassul Ayani |
HLA Federate Migration. |
Annual Simulation Symposium |
2005 |
DBLP DOI BibTeX RDF |
federate migration, load balancing, distributed simulation, High Level Architecture |
27 | Haiying Shen, Cheng-Zhong Xu 0001 |
Locality-Aware Randomized Load Balancing Algorithms for DHT Networks. |
ICPP |
2005 |
DBLP DOI BibTeX RDF |
|
27 | Huan Pham, Bill Lavery |
On Performance Objective Functions for Optimising Routed Networks for Best QoS. |
QoS-IP |
2003 |
DBLP DOI BibTeX RDF |
|
27 | Li (Erran) Li, Prasun Sinha |
Throughput and energy efficiency in topology-controlled multi-hop wireless sensor networks. |
Wireless Sensor Networks and Applications |
2003 |
DBLP DOI BibTeX RDF |
sensor networks, ad-hoc networks, wireless networks, topology control |
27 | Tyng-Yeu Liang, Ce-Kuen Shieh, Jun-Qi Li |
An Effective Selection Policy for Load Balancing in Software DSM. |
ICPP |
2000 |
DBLP DOI BibTeX RDF |
|
27 | Justin T. Rough, Andrzej Goscinski |
Comparison between PVM on RHODOS and Unix. |
ISPAN |
1999 |
DBLP DOI BibTeX RDF |
RHODOS, PVM, clusters of workstations, distributed operating systems |
27 | Gísli Hjálmtýsson, Ward Whitt |
Periodic load balancing. |
Queueing Syst. Theory Appl. |
1998 |
DBLP DOI BibTeX RDF |
periodic load balancing, heavy traffic diffusion approximations, reflected Brownian motion, load balancing, resource sharing, transient behavior |
27 | Konstantinos Antonis, John D. Garofalakis, Paul G. Spirakis |
A Competitive Symmetrical Transfer Policy for Load Sharing. |
Euro-Par |
1998 |
DBLP DOI BibTeX RDF |
|
27 | Ioanis Nikolaidis, Richard Fujimoto, C. Anthony Cooper |
Time-Parallel Simulation of Cascaded Statistical Multiplexers. |
SIGMETRICS |
1994 |
DBLP DOI BibTeX RDF |
|
27 | Raghu Subramanian, Isaac D. Scherson |
An Analysis of Diffusive Load-Balancing. |
SPAA |
1994 |
DBLP DOI BibTeX RDF |
|
20 | Lúcia Martins, Catarina Francisco, João Redol, José M. F. Craveirinha, João C. N. Clímaco, Paulo P. Monteiro |
Evaluation of a Multiobjective Alternative Routing Method in Carrier IP/MPLS Networks. |
Networking |
2009 |
DBLP DOI BibTeX RDF |
QoS, multiobjective optimization, MPLS Networks, alternative routing |
20 | Yaw-Huei Chen, Yu-Ren Ju |
Parallel Load Balancing Strategies for Tree-Structured Peer-to-Peer Networks. |
APWeb/WAIM |
2009 |
DBLP DOI BibTeX RDF |
parallel transmission, load balancing, Peer-to-peer network, balanced tree |
20 | Rajendra Singh, Peter Graham |
Grouping MPI Processes for Partial Checkpoint and Co-migration. |
Euro-Par |
2009 |
DBLP DOI BibTeX RDF |
|
20 | Wee Lum Tan, Fung Lam, Wing Cheong Lau |
An Empirical Study on the Capacity and Performance of 3G Networks. |
IEEE Trans. Mob. Comput. |
2008 |
DBLP DOI BibTeX RDF |
modeling, evaluation, Measurement, Wireless, Network monitoring, Mobile communication systems, Performance attributes, simulation of multiple-processor systems |
20 | Stefano Galli, Ronald Menendez, Evgenii Narimanov, Paul R. Prucnal |
A novel method for increasing the spectral efficiency of optical CDMA. |
IEEE Trans. Commun. |
2008 |
DBLP DOI BibTeX RDF |
|
20 | Daniel Gmach, Jerry Rolia, Ludmila Cherkasova, Guillaume Belrose, Tom Turicchi, Alfons Kemper |
An integrated approach to resource pool management: Policies, efficiency and quality metrics. |
DSN |
2008 |
DBLP DOI BibTeX RDF |
|
20 | Yu-Bin Chang, Li-Pin Chang |
A self-balancing striping scheme for NAND-flash storage systems. |
SAC |
2008 |
DBLP DOI BibTeX RDF |
embedded systems, flash memory, storage systems |
20 | Raffaele Bruno 0001, Marco Conti, Antonio Pinizzotto |
Enhancing DHCP for Address Autoconfiguration in Multi-hop WLANs. |
ICDCN |
2008 |
DBLP DOI BibTeX RDF |
|
20 | Hyung Won Choi, Hukeun Kwak, Andrew Sohn, Kyusik Chung |
Autonomous learning for efficient resource utilization of dynamic VM migration. |
ICS |
2008 |
DBLP DOI BibTeX RDF |
OS migration, virtual machines, virtualization, resource utilization, linux cluster |
20 | Roberta Fracchia, Claudio Casetti, Carla-Fabiana Chiasserini, Michela Meo |
WiSE: Best-Path Selection in Wireless Multihoming Environments. |
IEEE Trans. Mob. Comput. |
2007 |
DBLP DOI BibTeX RDF |
wireless networks, congestion control, SCTP, multihoming, bandwidth estimation |
20 | Florian Oprea, Michael K. Reiter |
Minimizing Response Time for Quorum-System Protocols over Wide-Area Networks. |
DSN |
2007 |
DBLP DOI BibTeX RDF |
|
20 | Daniel Enrique Lucani, Muriel Médard, Milica Stojanovic |
Network coding schemes for underwater networks: the benefits of implicit acknowledgement. |
Underwater Networks |
2007 |
DBLP DOI BibTeX RDF |
implicit acknowledgement, routing, network coding, underwater acoustic networks |
20 | Khoder Shamy, Chadi Assi, Lei Guang |
A Study on the Binary Exponential Backoff in Noisy and Heterogeneous Environment. |
MSN |
2007 |
DBLP DOI BibTeX RDF |
|
20 | Srivathsan Soundararajan, Prathima Agrawal |
A scheduling algorithm for IEEE 802.16 and IEEE 802.11 hybrid networks. |
BROADNETS |
2007 |
DBLP DOI BibTeX RDF |
|
20 | Dong Geun Jeong, Wha Sook Jeon |
Performance of Adaptive Sleep Period Control for Wireless Communications Systems. |
IEEE Trans. Wirel. Commun. |
2006 |
DBLP DOI BibTeX RDF |
|
20 | Remco van der Hofstad, Matthias Löwe, Franck Vermet |
The Effect of System Load on the Existence of Bit Errors in CDMA With and Without Parallel Interference Cancelation. |
IEEE Trans. Inf. Theory |
2006 |
DBLP DOI BibTeX RDF |
|
20 | Alexandros Labrinidis, Huiming Qu, Jie Xu 0042 |
Quality Contracts for Real-Time Enterprises. |
BIRTE |
2006 |
DBLP DOI BibTeX RDF |
|
20 | Paal E. Engelstad, Olav N. Østerbø |
The delay distribution of IEEE 802.11e EDCA and 802.11 DCF. |
IPCCC |
2006 |
DBLP DOI BibTeX RDF |
|
20 | Yongluan Zhou, Beng Chin Ooi, Kian-Lee Tan, Ji Wu 0011 |
Efficient Dynamic Operator Placement in a Locally Distributed Continuous Query System. |
OTM Conferences (1) |
2006 |
DBLP DOI BibTeX RDF |
|
20 | Rebecca Braynard, Adam Silberstein, Carla Schlatter Ellis |
Extending Network Lifetime Using an Automatically Tuned Energy-Aware MAC Protocol. |
EWSN |
2006 |
DBLP DOI BibTeX RDF |
|
20 | John Risson, Aaron Harwood, Tim Moors |
Stable High-Capacity One-Hop Distributed Hash Tables. |
ISCC |
2006 |
DBLP DOI BibTeX RDF |
|
20 | Murad Abusubaih, James Gross, Sven Wiethölter, Adam Wolisz |
On Access Point Selection in IEEE 802.11 Wireless Local Area Networks. |
LCN |
2006 |
DBLP DOI BibTeX RDF |
|
20 | Amir Siddiqi, Biswajit Nandy |
Improving Network Convergence Time and Network Stability of an OSPF-Routed IP Network. |
NETWORKING |
2005 |
DBLP DOI BibTeX RDF |
|
20 | Orna Grumberg, Tamir Heyman, Nili Ifergan, Assaf Schuster |
Achieving Speedups in Distributed Symbolic Reachability Analysis Through Asynchronous Computation. |
CHARME |
2005 |
DBLP DOI BibTeX RDF |
|
20 | Andrzej M. Goscinski, Adam K. L. Wong |
Performance Evaluation of the Concurrent Execution of NAS Parallel Benchmarks with BYTE Sequential Benchmarks on a Cluster. |
ICPADS (1) |
2005 |
DBLP DOI BibTeX RDF |
|
20 | Mohamed R. Fouad, Sonia Fahmy, Gopal Pandurangan |
Latency-sensitive power control for wireless ad-hoc networks. |
Q2SWinet |
2005 |
DBLP DOI BibTeX RDF |
ad-hoc networks, wireless networks, medium access control, latency, power control, network connectivity |
20 | Paal Engelstad, Olav N. Østerbø |
Non-saturation and saturation analysis of IEEE 802.11e EDCA with starvation prediction. |
MSWiM |
2005 |
DBLP DOI BibTeX RDF |
virtual collision, performance analysis, EDCA, 802.11e, starvation, non-saturation, AIFS |
20 | Paal Engelstad, Olav N. Østerbø |
Delay and Throughput Analysis of IEEE 802.11e EDCA with Starvation Prediction. |
LCN |
2005 |
DBLP DOI BibTeX RDF |
Z-transform of the Delay, Virtual Collision, Performance Analysis, EDCA, Starvation, Non-Saturation, AIFS |
20 | Yi-Chang Zhuang, Tyng-Yue Liang, Ce-Kuen Shieh, Jun-Qi Lee, Laurence Tianruo Yang |
A Group-Based Load Balance Scheme for Software Distributed Shared Memory Systems. |
J. Supercomput. |
2004 |
DBLP DOI BibTeX RDF |
minimizing communication, load balancing, DSM, data consistency, thread migration |
20 | Li Xiao 0001, Songqing Chen, Xiaodong Zhang 0001 |
Adaptive Memory Allocations in Clusters to Handle Unexpectedly Large Data-Intensive Jobs. |
IEEE Trans. Parallel Distributed Syst. |
2004 |
DBLP DOI BibTeX RDF |
|
20 | Hyunduk Kang, Seokjin Sung, Insoo Koo, Kiseon Kim |
Hot-beam traffic relief for cellular SBF multi-beam array antenna CDMA systems. |
VTC Fall (2) |
2004 |
DBLP DOI BibTeX RDF |
|
20 | Alma Riska, Erik Riedel, Sami Iren |
Adaptive Disk Scheduling for Overload Management. |
QEST |
2004 |
DBLP DOI BibTeX RDF |
|
20 | Myeong-Wuk Jang, Gul Agha |
Adaptive Agent Allocation for Massively Multi-agent Applications. |
MMAS |
2004 |
DBLP DOI BibTeX RDF |
|
20 | Adam K. L. Wong, Andrzej M. Goscinski |
Scheduling of a Parallel Computation-Bound Application and Sequential Applications Executing Concurrently on a Cluster - A Case Study. |
ISPA |
2004 |
DBLP DOI BibTeX RDF |
|
20 | Darin England, Jon B. Weissman |
Costs and Benefits of Load Sharing in the Computational Grid. |
JSSPP |
2004 |
DBLP DOI BibTeX RDF |
|
20 | Michel Mandjes, Debasis Mitra 0001, Werner R. W. Scheinhardt |
Models of Network Access Using Feedback Fluid Queues. |
Queueing Syst. Theory Appl. |
2003 |
DBLP DOI BibTeX RDF |
feedback regulation, spectral expansion, many-sources scaling, large deviations, fluid models, access network |
20 | Aysegül Gençata, Biswanath Mukherjee |
Virtual-topology adaptation for WDM mesh networks under dynamic traffic. |
IEEE/ACM Trans. Netw. |
2003 |
DBLP DOI BibTeX RDF |
dynamic traffic, virtual-topology reconfiguration, optical network, mesh network, WDM, mixed-integer linear program (MILP) |
20 | Kathleen Baynes, Chris Collins, Eric Fiterman, Brinda Ganesh, Paul Kohout, Christine Smit, Tiebing Zhang, Bruce L. Jacob |
The Performance and Energy Consumption of Embedded Real-Time Operating Systems. |
IEEE Trans. Computers |
2003 |
DBLP DOI BibTeX RDF |
real-time operating systems (RTOS), power and energy modeling, Motorola M-CORE, µC/OS-II, Echidna, Embedded systems, performance modeling, Chimera |
20 | Ka-Po Chow, Yu-Kwong Kwok |
On Load Balancing for Distributed Multiagent Computing. |
IEEE Trans. Parallel Distributed Syst. |
2002 |
DBLP DOI BibTeX RDF |
multiagent computing, distributed systems, communication, Load balancing, cluster computing, object-based systems |
20 | Robert C. Kotcher |
How "overstaffing" at bottleneck machines can unleash extra capacity. |
WSC |
2001 |
DBLP DOI BibTeX RDF |
|
20 | Yi-Chang Zhuang, Ce-Kuen Shieh, Tyng-Yue Liang, Jun-Qi Lee, Li-Ming Tseng |
A Group-Based Load Balance Scheme for Software Distributed Shared Memory Systems. |
CCGRID |
2001 |
DBLP DOI BibTeX RDF |
|
20 | Burkhard Englert, Larry Rudolph, Alexander A. Shvartsman |
Developing and Refining an Adaptive Token-Passing Strategy. |
ICDCS |
2001 |
DBLP DOI BibTeX RDF |
|
20 | Kia Makki, John Dell, Niki Pissinou, W. Melody Moh, Xiaohua Jia |
Using Logical Rings to Solve the Distributed Mutual Exclusion Problem with Fault Tolerance Issues. |
J. Supercomput. |
2000 |
DBLP DOI BibTeX RDF |
distributed systems, distributed algorithms, communication networks, critical section, distributed mutual exclusion |
20 | James H. Anderson, Anand Srinivasan |
Early-release fair scheduling. |
ECRTS |
2000 |
DBLP DOI BibTeX RDF |
|
20 | Patrick Amestoy, Iain S. Duff, Jean-Yves L'Excellent, Jacko Koster |
MUMPS : A General Purpose Distributed Memory Sparse Solver. |
PARA |
2000 |
DBLP DOI BibTeX RDF |
|
20 | Parag Kulkarni, Indranil Sengupta 0001 |
Load Balancing with Multiple Token Policy. |
ICPADS |
2000 |
DBLP DOI BibTeX RDF |
|
20 | Parag A. Kulkarni, Indranil Sengupta 0001 |
A New Approach for Load Balancing Using Differential Load Measurement. |
ITCC |
2000 |
DBLP DOI BibTeX RDF |
|
20 | Siddhartha V. Tambat, Sriram Vajapeyam |
Non-Strict Cache Coherence: Exploiting Data-Race Tolerance in Emerging Applications. |
ICPP |
2000 |
DBLP DOI BibTeX RDF |
|
20 | Binh Thai, Aruna Seneviratne |
The Effects of Mobile Agent Performance on MP3 Streaming Applications. |
MATA |
2000 |
DBLP DOI BibTeX RDF |
|
20 | HweeHwa Pang, Bobby Jose, Mayuram S. Krishnan |
Resource Scheduling In A High-Performance Multimedia Server. |
IEEE Trans. Knowl. Data Eng. |
1999 |
DBLP DOI BibTeX RDF |
time-based storage scheme, declustering/striping, look-ahead data retrieval, replication, Multimedia server |
20 | Hiroto Masaki, Toshikane Oda |
Optimal Routing Scheme for Maximizing Bottleneck Residual Bandwidth under Multiple Constraints - Application to Elastic Traffic Routing. |
ICCCN |
1998 |
DBLP DOI BibTeX RDF |
Optimization, Routing, Graph Theory, B-ISDN, ABR |
20 | Sandip Sen |
Adaptive Choice of Information Sources (Extended Abstract). |
CIA |
1998 |
DBLP DOI BibTeX RDF |
|
20 | Cüneyt M. Özveren, Robert J. Simcoe, George Varghese |
Reliable and Efficient Hop-by-Hop Flow Control. |
SIGCOMM |
1994 |
DBLP DOI BibTeX RDF |
|
20 | Rafael Alonso, Daniel Barbará, Hector Garcia-Molina, Soraya Abad |
Quasi-Copies: Efficient Data Sharing for Information Retrieval Systems. |
EDBT |
1988 |
DBLP DOI BibTeX RDF |
|
20 | Edward D. Lazowska, John Zahorjan, David R. Cheriton, Willy Zwaenepoel |
File Access Performance of Diskless Workstations. |
ACM Trans. Comput. Syst. |
1986 |
DBLP DOI BibTeX RDF |
|
20 | Anthony E. Krzesinski, J. Greyling |
Improved Lineariser Methods for Queueing Networks with Queue Dependent Centres. |
SIGMETRICS |
1984 |
DBLP DOI BibTeX RDF |
Product from solutions, Error analysis, Mean value analysis, Approximate solutions, Multiclass queueing networks |