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RFC 9894 - Dynamic Link Exchange Protocol (DLEP) Diffserv Aware Credit Window Extension

  • Status: Proposed Standard
  • Published: January 2026
  • Stream: IETF
  • Pages: 6
  • Errata: No Errata

Abstract​

This document defines a Dynamic Link Exchange Protocol (DLEP) extension that makes credit window signaling aware of Differentiated Services (Diffserv) traffic treatment. The extension lets DLEP peers exchange credit window information scoped to Diffserv code points.

It supports more precise flow control when DLEP is used over links where packet forwarding behavior depends on Diffserv classification.

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