{
  "id": "bbg-p0192-networking-protocols-and-edge-networking",
  "title": "TCP Three-Way Handshake",
  "chapter": "networking-protocols-and-edge",
  "batch": "07",
  "rank": 65,
  "sourcePage": 192,
  "sourcePointer": "p. 192",
  "status": "accepted",
  "reviewerStatus": "reviewed",
  "fidelityScore": 0.9,
  "canvas": {
    "width": 960,
    "height": 640
  },
  "fireworksTechGraph": {
    "style": "style-1-flat-icon",
    "diagramType": "sequence",
    "topologyNotes": [
      "source page render inspected",
      "extracted page text inspected",
      "source page render inspected",
      "preserve handshake sequence: client SYN, server SYN-ACK, client ACK, then established connection",
      "omit source branding, device artwork, and copied explanatory prose"
    ],
    "publicBoundary": [
      "original vector output",
      "no source pixels",
      "no source mark or long wording"
    ]
  },
  "callouts": [],
  "sourceReview": {
    "conceptAnchors": [
      "concept: SYN",
      "concept: SYN-ACK",
      "concept: ACK",
      "concept: initial sequence number",
      "concept: established TCP connection"
    ],
    "labelSource": "curated",
    "semanticStatus": "reviewed"
  },
  "groups": [
    {
      "id": "handshake",
      "label": "Handshake sequence",
      "x": 74,
      "y": 124,
      "w": 812,
      "h": 318
    }
  ],
  "shapes": [
    {
      "id": "client",
      "kind": "actor",
      "label": "Client",
      "x": 126,
      "y": 234,
      "w": 82,
      "h": 88,
      "tone": "blue"
    },
    {
      "id": "syn",
      "kind": "rect",
      "label": "SYN",
      "detail": "start + ISN",
      "x": 306,
      "y": 160,
      "w": 126,
      "h": 58,
      "tone": "orange"
    },
    {
      "id": "synack",
      "kind": "rect",
      "label": "SYN-ACK",
      "detail": "agree",
      "x": 482,
      "y": 278,
      "w": 126,
      "h": 58,
      "tone": "purple"
    },
    {
      "id": "ack",
      "kind": "rect",
      "label": "ACK",
      "detail": "confirm",
      "x": 306,
      "y": 376,
      "w": 126,
      "h": 58,
      "tone": "green"
    },
    {
      "id": "server",
      "kind": "rect",
      "label": "Server",
      "detail": "listener",
      "x": 720,
      "y": 234,
      "w": 126,
      "h": 68,
      "tone": "teal"
    }
  ],
  "connectors": [
    {
      "from": "client",
      "to": "syn",
      "label": "1",
      "flow": "main"
    },
    {
      "from": "syn",
      "to": "server",
      "label": "SYN",
      "flow": "main"
    },
    {
      "from": "server",
      "to": "synack",
      "label": "SYN-ACK",
      "flow": "data"
    },
    {
      "from": "synack",
      "to": "client",
      "label": "2",
      "flow": "data"
    },
    {
      "from": "client",
      "to": "ack",
      "label": "3",
      "flow": "control"
    },
    {
      "from": "ack",
      "to": "server",
      "label": "ACK",
      "flow": "control"
    }
  ]
}