{
  "status": "shipping",
  "advantages": [],
  "limitations": [],
  "supersedes": [],
  "supersededBy": [],
  "firstSeen": null,
  "lastSeen": null,
  "updated": "2026-11-02",
  "slug": "data-center-bridging",
  "term": "Data Center Bridging (DCB)",
  "aliases": [
    "DCB"
  ],
  "definition": "Data Center Bridging is a family of Ethernet enhancements for converged data-center networks with different traffic requirements.",
  "note": "Roles: PFC controls link-level congestion loss; Enhanced Transmission Selection assigns bandwidth among traffic classes; congestion notification and neighbor capability/configuration exchange address other parts of network operation. [dcb-scope]\n\nInterpretation: DCB is not a storage command protocol or another name for FCoE. Identify the supported features and their configuration instead of treating a DCB label as an end-to-end service guarantee. [dcb-scope]",
  "related": [
    "priority-flow-control",
    "fcoe",
    "fcoe-initialization-protocol"
  ],
  "citations": [
    {
      "id": "dcb-scope",
      "title": "IEEE 802.1: Addressing and Data Center Bridging, enhancement roles",
      "url": "https://1.ieee802.org/dcb/",
      "accessed": "2026-11-02"
    }
  ]
}