{ "type": "excalidraw", "version": 2, "source": "https://excalidraw.com", "elements": [ { "id": "r228491968", "type": "rectangle", "x": 20, "y": 30, "width": 860, "height": 150, "angle": 0, "strokeColor": "#dddddd", "backgroundColor": "#fafafa", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 363166533, "versionNonce": 1739032693, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1241305534", "type": "text", "x": 32, "y": 36, "width": 198.00000000000003, "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": 1607419848, "versionNonce": 459941335, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "t0 - consumer reading normally", "fontSize": 12, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "t0 - consumer reading normally", "lineHeight": 1.25, "baseline": 12 }, { "id": "r11584779", "type": "rectangle", "x": 20, "y": 210, "width": 860, "height": 160, "angle": 0, "strokeColor": "#dddddd", "backgroundColor": "#fff8ef", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 579340855, "versionNonce": 146024837, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t721105307", "type": "text", "x": 32, "y": 216, "width": 178.20000000000002, "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": 1760609090, "versionNonce": 944536779, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "t1 - consumer stops reading", "fontSize": 12, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "t1 - consumer stops reading", "lineHeight": 1.25, "baseline": 12 }, { "id": "r1181433284", "type": "rectangle", "x": 50, "y": 75, "width": 160, "height": 60, "angle": 0, "strokeColor": "#1a1a1a", "backgroundColor": "#ffffff", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1661077753, "versionNonce": 1701504140, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1319003913", "type": "text", "x": 60, "y": 83, "width": 46.2, "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": 1039810390, "versionNonce": 1002450709, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "Server", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "Server", "lineHeight": 1.25, "baseline": 14 }, { "id": "t725779288", "type": "text", "x": 60, "y": 103, "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": 509036340, "versionNonce": 1970968349, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "sender", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "sender", "lineHeight": 1.25, "baseline": 11 }, { "id": "r265102706", "type": "rectangle", "x": 370, "y": 75, "width": 160, "height": 60, "angle": 0, "strokeColor": "#e8870c", "backgroundColor": "#fff3e0", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1629529752, "versionNonce": 1384374072, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t281791850", "type": "text", "x": 380, "y": 83, "width": 100.10000000000001, "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": 1953967494, "versionNonce": 1959723422, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "Stream window", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "Stream window", "lineHeight": 1.25, "baseline": 14 }, { "id": "t876041832", "type": "text", "x": 380, "y": 103, "width": 78.65, "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": 1772783412, "versionNonce": 1320357858, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "64 KiB credit", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "64 KiB credit", "lineHeight": 1.25, "baseline": 11 }, { "id": "r1720737652", "type": "rectangle", "x": 690, "y": 75, "width": 160, "height": 60, "angle": 0, "strokeColor": "#1a1a1a", "backgroundColor": "#ffffff", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1222313876, "versionNonce": 413828643, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1869269464", "type": "text", "x": 700, "y": 83, "width": 46.2, "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": 1599773454, "versionNonce": 1701282793, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "Client", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "Client", "lineHeight": 1.25, "baseline": 14 }, { "id": "t519811706", "type": "text", "x": 700, "y": 103, "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": 1962482068, "versionNonce": 81928723, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "reading DATA", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "reading DATA", "lineHeight": 1.25, "baseline": 11 }, { "id": "r54358437", "type": "rectangle", "x": 50, "y": 255, "width": 160, "height": 70, "angle": 0, "strokeColor": "#1a1a1a", "backgroundColor": "#ffffff", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1288695433, "versionNonce": 773130395, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1526732427", "type": "text", "x": 60, "y": 263, "width": 46.2, "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": 130142172, "versionNonce": 207006765, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "Server", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "Server", "lineHeight": 1.25, "baseline": 14 }, { "id": "t669028821", "type": "text", "x": 60, "y": 283, "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": 211420933, "versionNonce": 1425108755, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "sender", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "sender", "lineHeight": 1.25, "baseline": 11 }, { "id": "r1770394326", "type": "rectangle", "x": 370, "y": 255, "width": 160, "height": 70, "angle": 0, "strokeColor": "#1a1a1a", "backgroundColor": "#1a1a1a", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 790049220, "versionNonce": 507942923, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t652850520", "type": "text", "x": 380, "y": 263, "width": 100.10000000000001, "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": 1839823084, "versionNonce": 1347204122, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "Stream window", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "Stream window", "lineHeight": 1.25, "baseline": 14 }, { "id": "t1015431734", "type": "text", "x": 380, "y": 283, "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": 457419934, "versionNonce": 1698972080, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "shrinks to 0", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "shrinks to 0", "lineHeight": 1.25, "baseline": 11 }, { "id": "r1638365624", "type": "rectangle", "x": 690, "y": 255, "width": 160, "height": 70, "angle": 0, "strokeColor": "#8a8d91", "backgroundColor": "#ffffff", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "dashed", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 560716375, "versionNonce": 1771457607, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1571115065", "type": "text", "x": 700, "y": 263, "width": 46.2, "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": 1236941758, "versionNonce": 1782291302, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "Client", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "Client", "lineHeight": 1.25, "baseline": 14 }, { "id": "t21126581", "type": "text", "x": 700, "y": 283, "width": 114.95, "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": 939766458, "versionNonce": 1552796024, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "not draining buffer", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "not draining buffer", "lineHeight": 1.25, "baseline": 11 }, { "id": "r189768774", "type": "rectangle", "x": 230, "y": 340, "width": 440, "height": 30, "angle": 0, "strokeColor": "#8a8d91", "backgroundColor": "#ffffff", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "dashed", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1734029368, "versionNonce": 1761775331, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t767551516", "type": "text", "x": 240, "y": 348, "width": 300.3, "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": 1673609932, "versionNonce": 464213640, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "sender blocked: no credit left to write", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "sender blocked: no credit left to write", "lineHeight": 1.25, "baseline": 14 }, { "id": "a1939504828", "type": "arrow", "x": 210, "y": 95, "width": 160, "height": 0, "angle": 0, "strokeColor": "#b8650a", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 411557251, "versionNonce": 649710131, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 160, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t847130530", "type": "text", "x": 290.0, "y": 81.0, "width": 66.55000000000001, "height": 13.75, "angle": 0, "strokeColor": "#b8650a", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 112252993, "versionNonce": 674942078, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "DATA frames", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "DATA frames", "lineHeight": 1.25, "baseline": 11 }, { "id": "a394245555", "type": "arrow", "x": 690, "y": 115, "width": 160, "height": 0, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 1881727932, "versionNonce": 1013615490, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ -160, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t1142463380", "type": "text", "x": 610.0, "y": 101.0, "width": 205.70000000000002, "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": 1620273882, "versionNonce": 787927015, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "WINDOW_UPDATE (credit replenished)", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "WINDOW_UPDATE (credit replenished)", "lineHeight": 1.25, "baseline": 11 }, { "id": "a289126975", "type": "arrow", "x": 210, "y": 280, "width": 160, "height": 0, "angle": 0, "strokeColor": "#b8650a", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 1929621149, "versionNonce": 318024286, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 160, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t71824514", "type": "text", "x": 290.0, "y": 266.0, "width": 102.85000000000001, "height": 13.75, "angle": 0, "strokeColor": "#b8650a", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 169659546, "versionNonce": 1553358752, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "DATA fills window", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "DATA fills window", "lineHeight": 1.25, "baseline": 11 }, { "id": "a1284413488", "type": "arrow", "x": 530, "y": 300, "width": 160, "height": 0, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "dashed", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 1659657122, "versionNonce": 1792645295, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 160, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t97548234", "type": "text", "x": 610.0, "y": 286.0, "width": 96.80000000000001, "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": 1351877252, "versionNonce": 658749650, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "no WINDOW_UPDATE", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "no WINDOW_UPDATE", "lineHeight": 1.25, "baseline": 11 }, { "id": "t1794668683", "type": "text", "x": 450, "y": 10, "width": 217.8, "height": 13.75, "angle": 0, "strokeColor": "#1d1d1d", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1316697533, "versionNonce": 508236064, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "Same connection, two moments in time", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "Same connection, two moments in time", "lineHeight": 1.25, "baseline": 11 } ], "appState": { "viewBackgroundColor": "#ffffff", "gridSize": null }, "files": {} }