Résumé
Guaranteed Frame Rate (GFR) recently 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 details. 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 mechanisms to a
scheduler-based switch implementation does not produce a performance gain when
many TCP connections are multiplexed inside one ATM VC.
langue originale | Anglais |
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Pages (de - à) | 46-54 |
Nombre de pages | 9 |
journal | IEEE Network Magazine |
Volume | 15 |
Numéro de publication | 1 |
Etat de la publication | Publié - 2001 |