Thresholds: On the Need for Frame Discarding in Cell-Switched Networks
Journal of Network and Systems Management
Computer Networks: The International Journal of Computer and Telecommunications Networking
Stochastic programming methods applied to network optimization
Performance Evaluation
Minimum TCP throughput guarantee on minimum rate guaranteed networks
Computer Communications
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Guaranteed frame rate, approved by the ATM Forum, is expected to become an important service category to efficiently support TCP/IP traffic in ATM networks. We first describe the GFR traffic contract in detail. We then present different types of switch implementations that have been proposed to support GFR. We analyze the performance of three of these switch implementations by simulations in two different network environments. These simulations show that the scheduler-based implementations provide a much better performance than the simple switch implementation. However, we also show that coupling an active packet discard mechanism to a scheduler-based switch implementation does not produce a performance gain when many TCP connections are multiplexed inside one ATM VC