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Mark Coates

This research explores innovative strategies for enhancing reliability in all-photonic networks (AAPN). We focus on sub-multiples of a wavelength to support numerous edge nodes with high capacity slotted transmissions. Our study emphasizes the implementation of deterministic packet marking for robust congestion control, leveraging price estimation for links. We also analyze probabilistic schemes and propose quantization techniques for link pricing, using IP identifiers to target individual links for improved network performance. Overall, our findings aim to optimize photonic core switching and network efficiency.

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Mark Coates

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  1. Mark Coates Dept. Electrical and Computer Systems Engineering, McGill University, Montreal, Quebec. e-mail: coates@ece.mcgill.ca

  2. Agile All-Photonic Networks • Reliable • Provisions sub-multiples of a wavelength • Large number of smaller edge nodes Edge node with slotted transmission (Gb/s min. capacity) Fast photonic core switch AAPN Optical / electronic interface AAPN AAPN

  3. Deterministic Packet Marking • Price-based congestion control mechanisms require estimate of sum of link prices • Two bits per packet (only three symbols available) • Probabilistic marking schemes: high variance • Deterministic Marking • Quantize each link price • Use IPidentifier field to focus on individual links

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