A Flow-aware MAC Protocol for a Passive Optical Metropolitan Area Network
Philippe Robert, James Roberts

TL;DR
This paper proposes a flow-aware MAC protocol for passive optical metro networks using TWIN technology, enhancing fairness and performance through a distributed, flow-based bandwidth allocation mechanism.
Contribution
It introduces a novel flow-aware MAC protocol inspired by EPON bandwidth allocation, tailored for TWIN-based passive optical networks, with comprehensive analytical and simulation evaluation.
Findings
High traffic capacity achieved
Low packet latency demonstrated
Effective flow-based bandwidth management
Abstract
The paper introduces an original MAC protocol for a passive optical metropolitan area network using time-domain wavelength interleaved networking (TWIN)% as proposed recently by Bell Labs . Optical channels are shared under the distributed control of destinations using a packet-based polling algorithm. This MAC is inspired more by EPON dynamic bandwidth allocation than the slotted, GPON-like access control generally envisaged for TWIN. Management of source-destination traffic streams is flow-aware with the size of allocated time slices being proportional to the number of active flows. This emulates a network-wide, distributed fair queuing scheduler, bringing the well-known implicit service differentiation and robustness advantages of this mechanism to the metro area network. The paper presents a comprehensive performance evaluation based on analytical modelling supported by simulations.…
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Taxonomy
TopicsAdvanced Optical Network Technologies · Advanced Photonic Communication Systems · Network Traffic and Congestion Control
