Research

Paper: Chasing Linux Jitter Sources for Uncompressed Video

Beyond the transport of uncompressed video over IP networks, defined in standards such as ST2022-6, the ability to build software-based Video Processing Functions (VPF) on commodity hardware and using general purpose Operating Systems is the next logical step in the…
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Brave New Worlds, the Internet of Things — Interview with our own Juan-Antonio Cordero Fuertes from Ecole Polytechnique…

Oh, look, an interview with our own Juan-Antonio Cordero Fuertes, on the IoT, on Security, and on the Digitised Society — well worth a read for an informed perspective on societal impacts of those 21th century technologies: Interview in English…
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RFC7722: Multi-Topology Extension for the Optimized Link State Routing Protocol Version 2 (OLSRv2)

This specification describes an extension to the Optimized Link State Routing Protocol version 2 (OLSRv2) to support multiple routing topologies, while retaining interoperability with OLSRv2 routers that do not implement this extension. This specification updates RFCs 7188 and 7631 by…
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Paper: Evaluation of routing protocol for low power and Lossy Networks: LOADng and RPL

Routing protocol is a critical component of Low-power and Lossy Networks for Smart Grid. The protocols are used for data forwarding, which includes data acquisition, information dissemination, etc. This paper evaluates two main routing protocols used for Low-power and Lossy…
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6LB: Scalable and Application-Aware Load Balancing with Segment Routing In IEEE Transactions on Networking

Saturday morning, after a long (and, very constructive) process, came the long-awaited email from the IEEE: our paper “6LB: Scalable and Application-Aware Load Balancing with Segment Routing” was definitely accepted for publication in the IEEE Transactions on Networking.  The paper is…
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Paper on-line “SRLB: The Power of Choices in Load Balancing with Segment Routing”

In waiting for the final version to appear at IEEExplorer, and on (surprisingly) popular demand, a preprint of the paper “SRLP: The Power of Choices in Load Balancing with Segment Routing”, which Yoann presented at ICDCS’37 earlier this week, is on-line for your…
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Peers-and-Tiers, Random acts of Kindness, and Routing Security at Ecole Polytechnique

In the course INF566 “Internet Protocol Success” at Ecole Polytechnique, and as part as the curriculum in Advanced Communication Networks, I, my colleague Mark Townsley, and again with expert assistance from Jean-Louis Rougier, are teaching “enterprise-grade Internet Routing”. Starting with an understanding of…
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Internship Opening: Light, Efficient Multicast with B.I.E.R.

Light, Efficient Multicast with B.I.E.R. B.I.E.R. (Bit-Indexed Explicit Replication) is a multicast mechanism wherein the source of the multicast data packet (i.e. the ingress router which injects the multicast data packet into a B.I.E.R. domain) explicitly identifies and indicates (by…
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LoRa: Ubiquitous connectivity for the IoT?

LoRa (as developed by the LoRa Alliance) is a long-range, low-power, low-bitrate, wireless telecommunications system, promoted as an infrastructure solution for the Internet of Things: end-devices use LoRa across a single wireless hop to communicate to gateway(s), connected to the Internet…
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