{
 "type": "excalidraw",
 "version": 2,
 "source": "https://excalidraw.com",
 "elements": [
  {
   "id": "r174655607",
   "type": "rectangle",
   "x": 20,
   "y": 30,
   "width": 860,
   "height": 240,
   "angle": 0,
   "strokeColor": "#dddddd",
   "backgroundColor": "#fafafa",
   "fillStyle": "solid",
   "strokeWidth": 2,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": {
    "type": 3
   },
   "seed": 710820374,
   "versionNonce": 1027826095,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false
  },
  {
   "id": "t203129941",
   "type": "text",
   "x": 32,
   "y": 36,
   "width": 277.20000000000005,
   "height": 15.0,
   "angle": 0,
   "strokeColor": "#555555",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 1840847811,
   "versionNonce": 264903848,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "RoutingService tuning knobs (this chapter)",
   "fontSize": 12,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "RoutingService tuning knobs (this chapter)",
   "lineHeight": 1.25,
   "baseline": 12
  },
  {
   "id": "r976407735",
   "type": "rectangle",
   "x": 50,
   "y": 80,
   "width": 190,
   "height": 160,
   "angle": 0,
   "strokeColor": "#e8870c",
   "backgroundColor": "#fff3e0",
   "fillStyle": "solid",
   "strokeWidth": 2,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": {
    "type": 3
   },
   "seed": 17665637,
   "versionNonce": 1863439160,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false
  },
  {
   "id": "t1236241389",
   "type": "text",
   "x": 60,
   "y": 88,
   "width": 69.30000000000001,
   "height": 17.5,
   "angle": 0,
   "strokeColor": "#1a1a1a",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 209733599,
   "versionNonce": 579921646,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "Keepalive",
   "fontSize": 14,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "Keepalive",
   "lineHeight": 1.25,
   "baseline": 14
  },
  {
   "id": "t341480899",
   "type": "text",
   "x": 60,
   "y": 108,
   "width": 90.75000000000001,
   "height": 13.75,
   "angle": 0,
   "strokeColor": "#555555",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 1854052011,
   "versionNonce": 42703155,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "Idle connection",
   "fontSize": 11,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "Idle connection",
   "lineHeight": 1.25,
   "baseline": 11
  },
  {
   "id": "t981902534",
   "type": "text",
   "x": 60,
   "y": 123,
   "width": 66.55000000000001,
   "height": 13.75,
   "angle": 0,
   "strokeColor": "#555555",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 1464741730,
   "versionNonce": 1670134989,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "stays alive",
   "fontSize": 11,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "stays alive",
   "lineHeight": 1.25,
   "baseline": 11
  },
  {
   "id": "t1309311168",
   "type": "text",
   "x": 60,
   "y": 138,
   "width": 40,
   "height": 13.75,
   "angle": 0,
   "strokeColor": "#555555",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 1329804983,
   "versionNonce": 513029394,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "Cost:",
   "fontSize": 11,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "Cost:",
   "lineHeight": 1.25,
   "baseline": 11
  },
  {
   "id": "t1749444344",
   "type": "text",
   "x": 60,
   "y": 153,
   "width": 127.05000000000001,
   "height": 13.75,
   "angle": 0,
   "strokeColor": "#555555",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 287908269,
   "versionNonce": 1704408677,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "periodic ping traffic",
   "fontSize": 11,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "periodic ping traffic",
   "lineHeight": 1.25,
   "baseline": 11
  },
  {
   "id": "r130627089",
   "type": "rectangle",
   "x": 260,
   "y": 80,
   "width": 190,
   "height": 160,
   "angle": 0,
   "strokeColor": "#e8870c",
   "backgroundColor": "#fff3e0",
   "fillStyle": "solid",
   "strokeWidth": 2,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": {
    "type": 3
   },
   "seed": 462316899,
   "versionNonce": 518609847,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false
  },
  {
   "id": "t973512056",
   "type": "text",
   "x": 270,
   "y": 88,
   "width": 123.20000000000002,
   "height": 17.5,
   "angle": 0,
   "strokeColor": "#1a1a1a",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 9278864,
   "versionNonce": 423644933,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "Max message size",
   "fontSize": 14,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "Max message size",
   "lineHeight": 1.25,
   "baseline": 14
  },
  {
   "id": "t1776372258",
   "type": "text",
   "x": 270,
   "y": 108,
   "width": 84.7,
   "height": 13.75,
   "angle": 0,
   "strokeColor": "#555555",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 1709984345,
   "versionNonce": 372524223,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "Large payloads",
   "fontSize": 11,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "Large payloads",
   "lineHeight": 1.25,
   "baseline": 11
  },
  {
   "id": "t1286909776",
   "type": "text",
   "x": 270,
   "y": 123,
   "width": 90.75000000000001,
   "height": 13.75,
   "angle": 0,
   "strokeColor": "#555555",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 1570721439,
   "versionNonce": 86058490,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "allowed through",
   "fontSize": 11,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "allowed through",
   "lineHeight": 1.25,
   "baseline": 11
  },
  {
   "id": "t127992113",
   "type": "text",
   "x": 270,
   "y": 138,
   "width": 40,
   "height": 13.75,
   "angle": 0,
   "strokeColor": "#555555",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 756366594,
   "versionNonce": 1416756636,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "Cost:",
   "fontSize": 11,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "Cost:",
   "lineHeight": 1.25,
   "baseline": 11
  },
  {
   "id": "t1470688049",
   "type": "text",
   "x": 270,
   "y": 153,
   "width": 90.75000000000001,
   "height": 13.75,
   "angle": 0,
   "strokeColor": "#555555",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 615179606,
   "versionNonce": 1950923336,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "raise BOTH ends",
   "fontSize": 11,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "raise BOTH ends",
   "lineHeight": 1.25,
   "baseline": 11
  },
  {
   "id": "r126075011",
   "type": "rectangle",
   "x": 470,
   "y": 80,
   "width": 190,
   "height": 160,
   "angle": 0,
   "strokeColor": "#e8870c",
   "backgroundColor": "#fff3e0",
   "fillStyle": "solid",
   "strokeWidth": 2,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": {
    "type": 3
   },
   "seed": 448201340,
   "versionNonce": 1158401989,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false
  },
  {
   "id": "t1549126406",
   "type": "text",
   "x": 480,
   "y": 88,
   "width": 123.20000000000002,
   "height": 17.5,
   "angle": 0,
   "strokeColor": "#1a1a1a",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 789165893,
   "versionNonce": 1871717752,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "Gzip compression",
   "fontSize": 14,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "Gzip compression",
   "lineHeight": 1.25,
   "baseline": 14
  },
  {
   "id": "t1840415072",
   "type": "text",
   "x": 480,
   "y": 108,
   "width": 90.75000000000001,
   "height": 13.75,
   "angle": 0,
   "strokeColor": "#555555",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 1545439241,
   "versionNonce": 959960245,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "Smaller payload",
   "fontSize": 11,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "Smaller payload",
   "lineHeight": 1.25,
   "baseline": 11
  },
  {
   "id": "t1843198733",
   "type": "text",
   "x": 480,
   "y": 123,
   "width": 66.55000000000001,
   "height": 13.75,
   "angle": 0,
   "strokeColor": "#555555",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 1389994351,
   "versionNonce": 629787465,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "on the wire",
   "fontSize": 11,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "on the wire",
   "lineHeight": 1.25,
   "baseline": 11
  },
  {
   "id": "t536879388",
   "type": "text",
   "x": 480,
   "y": 138,
   "width": 40,
   "height": 13.75,
   "angle": 0,
   "strokeColor": "#555555",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 1032990538,
   "versionNonce": 690529646,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "Cost:",
   "fontSize": 11,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "Cost:",
   "lineHeight": 1.25,
   "baseline": 11
  },
  {
   "id": "t51259386",
   "type": "text",
   "x": 480,
   "y": 153,
   "width": 72.60000000000001,
   "height": 13.75,
   "angle": 0,
   "strokeColor": "#555555",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 1975222902,
   "versionNonce": 308261385,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "CPU per call",
   "fontSize": 11,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "CPU per call",
   "lineHeight": 1.25,
   "baseline": 11
  },
  {
   "id": "r284584788",
   "type": "rectangle",
   "x": 680,
   "y": 80,
   "width": 160,
   "height": 160,
   "angle": 0,
   "strokeColor": "#1a1a1a",
   "backgroundColor": "#1a1a1a",
   "fillStyle": "solid",
   "strokeWidth": 2,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": {
    "type": 3
   },
   "seed": 541887248,
   "versionNonce": 855725890,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false
  },
  {
   "id": "t1742355700",
   "type": "text",
   "x": 690,
   "y": 88,
   "width": 115.50000000000001,
   "height": 17.5,
   "angle": 0,
   "strokeColor": "#ffffff",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 404355959,
   "versionNonce": 1360991453,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "Channel pooling",
   "fontSize": 14,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "Channel pooling",
   "lineHeight": 1.25,
   "baseline": 14
  },
  {
   "id": "t1954905355",
   "type": "text",
   "x": 690,
   "y": 108,
   "width": 72.60000000000001,
   "height": 13.75,
   "angle": 0,
   "strokeColor": "#555555",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 1646499232,
   "versionNonce": 362257841,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "Reuse, never",
   "fontSize": 11,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "Reuse, never",
   "lineHeight": 1.25,
   "baseline": 11
  },
  {
   "id": "t1562544070",
   "type": "text",
   "x": 690,
   "y": 123,
   "width": 54.45,
   "height": 13.75,
   "angle": 0,
   "strokeColor": "#555555",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 1722503459,
   "versionNonce": 1125476362,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "reconnect",
   "fontSize": 11,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "reconnect",
   "lineHeight": 1.25,
   "baseline": 11
  },
  {
   "id": "t394708179",
   "type": "text",
   "x": 690,
   "y": 138,
   "width": 40,
   "height": 13.75,
   "angle": 0,
   "strokeColor": "#555555",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 1501808751,
   "versionNonce": 1094741267,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "Cost:",
   "fontSize": 11,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "Cost:",
   "lineHeight": 1.25,
   "baseline": 11
  },
  {
   "id": "t93525498",
   "type": "text",
   "x": 690,
   "y": 153,
   "width": 127.05000000000001,
   "height": 13.75,
   "angle": 0,
   "strokeColor": "#555555",
   "backgroundColor": "transparent",
   "fillStyle": "solid",
   "strokeWidth": 1,
   "strokeStyle": "solid",
   "roughness": 1,
   "opacity": 100,
   "groupIds": [],
   "frameId": null,
   "roundness": null,
   "seed": 153317668,
   "versionNonce": 848407318,
   "isDeleted": false,
   "boundElements": [],
   "updated": 1,
   "link": null,
   "locked": false,
   "text": "none - always do this",
   "fontSize": 11,
   "fontFamily": 1,
   "textAlign": "left",
   "verticalAlign": "top",
   "containerId": null,
   "originalText": "none - always do this",
   "lineHeight": 1.25,
   "baseline": 11
  }
 ],
 "appState": {
  "viewBackgroundColor": "#ffffff",
  "gridSize": null
 },
 "files": {}
}