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IETF Reliable and Available Wireless (RAW): Use Cases and Problem Statement

Abstract : Due to uncontrolled interferences, including the self-induced multi-path fading, deterministic networking is difficult to achieve on wire- less links. The radio conditions may change much faster than a central- ized routing paradigm can adapt and reprogram, in particular when the controller is distant and connectivity is slow and limited. Reliable and Available Wireless (RAW) separates the routing time scale at which a complex path is recomputed from the forwarding time scale at which the forwarding decision is taken for an individual packet. RAW operates at the forwarded time scale. The RAW problem is to decide, within the redundant solutions that are proposed by the routing plane, which will be used for each individual packet to provide a Deterministic Network- ing (DetNet) service while minimizing the waste of resources. A solution would consist of a set of protocols that evaluate the media in real time and another that controls the use of redundancy and diversity attributes that are available along the path. In this paper, we first introduce the motivation behind this approach along with the industrial use cases that requires RAW characteristics. We then give an overview of the ongoing related works at the Internet Engineering Task Force (IETF). Finally, we present the RAW problem statement.
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https://hal.archives-ouvertes.fr/hal-02965755
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Submitted on : Tuesday, October 13, 2020 - 2:58:47 PM
Last modification on : Friday, October 16, 2020 - 3:08:54 AM
Long-term archiving on: : Thursday, January 14, 2021 - 7:25:43 PM

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  • HAL Id : hal-02965755, version 1

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Georgios Papadopoulos, Fabrice Theoleyre, Pascal Thubert, Nicolas Montavont. IETF Reliable and Available Wireless (RAW): Use Cases and Problem Statement. AdHoc-Now, Oct 2020, Bari (on line), Italy. ⟨hal-02965755⟩

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