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| 1 | +<!DOCTYPE html> |
| 2 | +<html lang="en" class="govuk-template govuk-template--rebranded"> |
| 3 | +<head> |
| 4 | + <meta charset="utf-8"> |
| 5 | + <title>Citizen-facing reference architecture - GOV.UK Digital Architecture</title> |
| 6 | + <meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover"> |
| 7 | + <meta name="theme-color" content="#1d70b8"> |
| 8 | + |
| 9 | + <!-- GOV.UK Frontend CSS --> |
| 10 | + <link rel="stylesheet" |
| 11 | + href="https://cdn.jsdelivr.net/npm/govuk-frontend@5.13.0/dist/govuk/govuk-frontend.min.css"> |
| 12 | + |
| 13 | + <style> |
| 14 | + :root{ |
| 15 | + --band-blue:#1d70b8; |
| 16 | + --band-teal:#05ebea; |
| 17 | + --ink:#1d70b8; |
| 18 | + --white:#ffffff; |
| 19 | + --border:#b1b4b6; |
| 20 | + --panel:#f3f2f1; |
| 21 | + } |
| 22 | + |
| 23 | + .app-content-wrapper{display:flex;min-height:calc(100vh - 300px);} |
| 24 | + .app-sidebar{ |
| 25 | + background:var(--panel); |
| 26 | + border-right:1px solid var(--border); |
| 27 | + width:220px; |
| 28 | + padding:20px; |
| 29 | + } |
| 30 | + .app-main-content{flex:1;padding:30px 40px;} |
| 31 | + |
| 32 | + .architecture-diagram{ |
| 33 | + display:grid; |
| 34 | + grid-template-columns:220px auto; |
| 35 | + gap:12px 20px; |
| 36 | + margin-top:30px; |
| 37 | + } |
| 38 | + |
| 39 | + .band-blue{background:var(--band-blue);} |
| 40 | + .band-teal{background:var(--band-teal);} |
| 41 | + |
| 42 | + .layer-title{ |
| 43 | + color:#fff; |
| 44 | + margin:0; |
| 45 | + display:flex; |
| 46 | + align-items:center; |
| 47 | + padding:10px; |
| 48 | + } |
| 49 | + |
| 50 | + .layer-band{padding:10px;} |
| 51 | + .architecture-row{display:flex;flex-wrap:wrap;gap:8px;} |
| 52 | + |
| 53 | + .architecture-box{ |
| 54 | + background:var(--white); |
| 55 | + color:var(--ink); |
| 56 | + border:2px solid var(--ink); |
| 57 | + text-align:center; |
| 58 | + padding:14px 16px; |
| 59 | + font-family:"GDS Transport",Arial,sans-serif; |
| 60 | + font-weight:700; |
| 61 | + font-size:16px; |
| 62 | + min-width:160px; |
| 63 | + flex:1 1 180px; |
| 64 | + transition:background-color .15s,color .15s,border-color .15s; |
| 65 | + } |
| 66 | + |
| 67 | + .architecture-box a{ |
| 68 | + color:inherit; |
| 69 | + text-decoration:none; |
| 70 | + display:block; |
| 71 | + } |
| 72 | + |
| 73 | + .architecture-box.has-link:hover{ |
| 74 | + background:var(--band-blue); |
| 75 | + color:#fff; |
| 76 | + border-color:var(--band-blue); |
| 77 | + } |
| 78 | + .architecture-box.has-link:hover a{ text-decoration:underline; } |
| 79 | + |
| 80 | + .box-links{ |
| 81 | + margin-top:8px; |
| 82 | + display:flex; |
| 83 | + flex-wrap:wrap; |
| 84 | + gap:10px; |
| 85 | + justify-content:center; |
| 86 | + font-weight:400; |
| 87 | + } |
| 88 | + .box-links a{ |
| 89 | + font-size:14px; |
| 90 | + text-decoration:underline; |
| 91 | + font-weight:400; |
| 92 | + display:inline; |
| 93 | + } |
| 94 | + |
| 95 | + .dotted{border-style:dotted;} |
| 96 | + |
| 97 | + .layer-business-logic .architecture-row{ |
| 98 | + display:grid; |
| 99 | + grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); |
| 100 | + gap:8px; |
| 101 | + } |
| 102 | + |
| 103 | + .layer-infrastructure .architecture-box{flex:1 1 100%;} |
| 104 | + |
| 105 | + .app-service-nav__list{ |
| 106 | + display:flex; |
| 107 | + list-style:none; |
| 108 | + padding:0; |
| 109 | + margin:0; |
| 110 | + gap:40px; |
| 111 | + } |
| 112 | + .app-service-nav__link{ |
| 113 | + font-size:19px; |
| 114 | + font-weight:600; |
| 115 | + color:var(--ink); |
| 116 | + text-decoration:none; |
| 117 | + } |
| 118 | + .app-service-nav__link:hover{text-decoration:underline;} |
| 119 | + </style> |
| 120 | +</head> |
| 121 | + |
| 122 | +<body class="govuk-template__body"> |
| 123 | +<script> |
| 124 | + document.body.className += ' js-enabled' + |
| 125 | + ('noModule' in HTMLScriptElement.prototype ? ' govuk-frontend-supported' : ''); |
| 126 | +</script> |
| 127 | + |
| 128 | +<a href="#main-content" class="govuk-skip-link">Skip to main content</a> |
| 129 | + |
| 130 | +<header class="govuk-header" data-module="govuk-header"> |
| 131 | + <div class="govuk-header__container govuk-width-container"> |
| 132 | + <div class="govuk-header__logo"> |
| 133 | + <a href="index.html" class="govuk-header__link govuk-header__link--homepage">GOV.UK</a> |
| 134 | + </div> |
| 135 | + <div class="govuk-header__content"> |
| 136 | + <a href="index.html" class="govuk-header__link">Digital Architecture</a> |
| 137 | + </div> |
| 138 | + </div> |
| 139 | +</header> |
| 140 | + |
| 141 | +<nav class="app-service-nav govuk-!-margin-bottom-3" |
| 142 | + style="background:#f3f2f1;border-bottom:1px solid #b1b4b6;"> |
| 143 | + <div class="govuk-width-container"> |
| 144 | + <ul class="app-service-nav__list"> |
| 145 | + <li><a class="app-service-nav__link" href="index.html">Documentation</a></li> |
| 146 | + <li><a class="app-service-nav__link" href="contact.html">Contact</a></li> |
| 147 | + </ul> |
| 148 | + </div> |
| 149 | +</nav> |
| 150 | + |
| 151 | +<div class="app-product-header govuk-!-padding-top-6 govuk-!-padding-bottom-6" |
| 152 | + style="background:#1d70b8;color:#fff;text-align:center;"> |
| 153 | + <h1 class="govuk-heading-xl" style="color:#fff;"> |
| 154 | + Citizen-facing reference architecture |
| 155 | + </h1> |
| 156 | +</div> |
| 157 | + |
| 158 | +<div class="app-content-wrapper"> |
| 159 | + <nav class="app-sidebar"> |
| 160 | + <h2 class="govuk-heading-s">Contents</h2> |
| 161 | + <ul class="govuk-list govuk-list--bullet"> |
| 162 | + <li><a href="introduction.html">Introduction</a></li> |
| 163 | + <li><a href="who-this-is-for.html">Who this is for</a></li> |
| 164 | + <li><a href="how-to-use.html">How to use it</a></li> |
| 165 | + <li><a href="citizen-facing-architecture.html">Citizen-facing reference architecture</a></li> |
| 166 | + <li><a href="contact.html">Contact us</a></li> |
| 167 | + </ul> |
| 168 | + </nav> |
| 169 | + |
| 170 | + <main id="main-content" class="app-main-content"> |
| 171 | + |
| 172 | + <!-- ================= Architecture Diagram ================= --> |
| 173 | + <div class="architecture-diagram"> |
| 174 | + |
| 175 | + <!-- Digital Channels --> |
| 176 | + <div class="govuk-heading-m layer-title band-blue">Citizen Facing Digital Channels</div> |
| 177 | + <div class="layer-band band-blue"> |
| 178 | + <div class="architecture-row"> |
| 179 | + |
| 180 | + <!-- FIXED: Clickable, but no URL text shown in box --> |
| 181 | + <div class="architecture-box has-link"> |
| 182 | + <a href="https://www.gov.uk/government/publications/govuk-proposition/govuk-proposition" target="_blank" rel="noopener noreferrer"> |
| 183 | + GOV.UK Websites |
| 184 | + </a> |
| 185 | + </div> |
| 186 | + |
| 187 | + <div class="architecture-box has-link"> |
| 188 | + <a href="https://www.notifications.service.gov.uk/" target="_blank" rel="noopener noreferrer">GOV.UK Notify</a> |
| 189 | + </div> |
| 190 | + |
| 191 | + <!-- FIXED: Clickable, but no URL text shown in box --> |
| 192 | + <div class="architecture-box has-link"> |
| 193 | + <a href="https://www.gov.uk/guidance/download-the-govuk-app" target="_blank" rel="noopener noreferrer">GOV.UK Mobile App</a> |
| 194 | + <div class="box-links"> |
| 195 | + <a href="https://docs.publishing.service.gov.uk/mobile/" target="_blank" rel="noopener noreferrer"> </a> |
| 196 | + </div> |
| 197 | + </div> |
| 198 | + |
| 199 | + <!-- FIXED: Clickable, dotted, but no URL text shown in box --> |
| 200 | + <div class="architecture-box dotted has-link"> |
| 201 | + <a href="https://www.gov.uk/algorithmic-transparency-records/dsit-gov-dot-uk-chat" target="_blank" rel="noopener noreferrer">GOV.UK Chat</a> |
| 202 | + <div class="box-links"> |
| 203 | + <a href="https://insidegovuk.blog.gov.uk/2024/11/05/were-running-a-private-beta-of-gov-uk-chat/" target="_blank" rel="noopener noreferrer"></a> |
| 204 | + </div> |
| 205 | + </div> |
| 206 | + |
| 207 | + <div class="architecture-box">Third Party Solutions & Agents</div> |
| 208 | + |
| 209 | + </div> |
| 210 | + </div> |
| 211 | + |
| 212 | + <!-- Interaction --> |
| 213 | + <div class="govuk-heading-m layer-title band-teal">Interaction Layer</div> |
| 214 | + <div class="layer-band band-teal"> |
| 215 | + <div class="architecture-row"> |
| 216 | + |
| 217 | + <div class="architecture-box dotted has-link"> |
| 218 | + <a href="https://github.com/govuk-digital-backbone" target="_blank" rel="noopener noreferrer">GOV.UK Digital Backbone</a> |
| 219 | + </div> |
| 220 | + |
| 221 | + <div class="architecture-box has-link"> |
| 222 | + <a href="https://www.forms.service.gov.uk/" target="_blank" rel="noopener noreferrer">GOV.UK Forms</a> |
| 223 | + </div> |
| 224 | + |
| 225 | + <div class="architecture-box has-link"> |
| 226 | + <a href="https://www.sign-in.service.gov.uk/" target="_blank" rel="noopener noreferrer">GOV.UK OneLogin</a> |
| 227 | + </div> |
| 228 | + |
| 229 | + <div class="architecture-box has-link"> |
| 230 | + <a href="https://www.payments.service.gov.uk/" target="_blank" rel="noopener noreferrer">GOV.UK Pay</a> |
| 231 | + </div> |
| 232 | + |
| 233 | + <div class="architecture-box has-link"> |
| 234 | + <a href="https://www.api.gov.uk/#uk-public-sector-apis" target="_blank" rel="noopener noreferrer">Public Sector APIs</a> |
| 235 | + </div> |
| 236 | + |
| 237 | + <div class="architecture-box">Private Sector APIs</div> |
| 238 | + |
| 239 | + </div> |
| 240 | + </div> |
| 241 | + |
| 242 | + <!-- Business Logic --> |
| 243 | + <div class="govuk-heading-m layer-title band-blue">Business Logic</div> |
| 244 | + <div class="layer-band band-blue layer-business-logic"> |
| 245 | + <div class="architecture-row"> |
| 246 | + <div class="architecture-box">HMRC Tax System</div> |
| 247 | + <div class="architecture-box">DVLA Drivers System</div> |
| 248 | + <div class="architecture-box">DEFRA Grants & Payments</div> |
| 249 | + <div class="architecture-box">HMPO Apply for Passport</div> |
| 250 | + <div class="architecture-box">MoJ Justice Services Suite</div> |
| 251 | + <div class="architecture-box">DWP Universal Credit</div> |
| 252 | + <div class="architecture-box">Home Office Right to Work</div> |
| 253 | + <div class="architecture-box">Companies House Register Company</div> |
| 254 | + <div class="architecture-box">HMRC Tax Free Childcare Account</div> |
| 255 | + <div class="architecture-box">+++</div> |
| 256 | + </div> |
| 257 | + </div> |
| 258 | + |
| 259 | + <!-- Data --> |
| 260 | + <div class="govuk-heading-m layer-title band-teal">Data Layer</div> |
| 261 | + <div class="layer-band band-teal"> |
| 262 | + <div class="architecture-row"> |
| 263 | + |
| 264 | + <!-- FIXED: Clickable, but no URL text shown in box --> |
| 265 | + <div class="architecture-box has-link"> |
| 266 | + <a href="https://docs.publishing.service.gov.uk/repos/whitehall.html" target="_blank" rel="noopener noreferrer">GOV.UK “Whitehall” CMS</a> |
| 267 | + <div class="box-links"> |
| 268 | + <a href="https://www.gov.uk/guidance/how-to-publish-on-gov-uk" target="_blank" rel="noopener noreferrer"></a> |
| 269 | + <a href="https://frontend.design-system.service.gov.uk/" target="_blank" rel="noopener noreferrer"></a> |
| 270 | + </div> |
| 271 | + </div> |
| 272 | + |
| 273 | + <div class="architecture-box has-link"> |
| 274 | + <a href="https://www.datamarketplace.gov.uk/" target="_blank" rel="noopener noreferrer">Data Marketplace</a> |
| 275 | + </div> |
| 276 | + |
| 277 | + <div class="architecture-box has-link"> |
| 278 | + <a href="https://www.data.gov.uk/" target="_blank" rel="noopener noreferrer">Public Sector Data Stores</a> |
| 279 | + </div> |
| 280 | + |
| 281 | + <div class="architecture-box">Private Sector Data Stores</div> |
| 282 | + |
| 283 | + </div> |
| 284 | + </div> |
| 285 | + |
| 286 | + <!-- Infrastructure --> |
| 287 | + <div class="govuk-heading-m layer-title band-blue">Infrastructure</div> |
| 288 | + <div class="layer-band band-blue layer-infrastructure"> |
| 289 | + <div class="architecture-row"> |
| 290 | + |
| 291 | + <div class="architecture-box dotted has-link"> |
| 292 | + <a href="https://co-cddo.github.io/ndx/" target="_blank" rel="noopener noreferrer">National Digital Exchange</a> |
| 293 | + </div> |
| 294 | + |
| 295 | + <div class="architecture-box has-link"> |
| 296 | + <a href="https://www.gov.uk/guidance/government-cloud-first-policy" target="_blank" rel="noopener noreferrer">Cloud Services</a> |
| 297 | + </div> |
| 298 | + |
| 299 | + </div> |
| 300 | + </div> |
| 301 | + |
| 302 | + </div> |
| 303 | + <!-- ================= End Diagram ================= --> |
| 304 | + |
| 305 | + </main> |
| 306 | +</div> |
| 307 | + |
| 308 | +<footer class="govuk-footer"> |
| 309 | + <div class="govuk-width-container"> |
| 310 | + <p class="govuk-footer__meta">© Crown copyright</p> |
| 311 | + </div> |
| 312 | +</footer> |
| 313 | + |
| 314 | +<script src="https://cdn.jsdelivr.net/npm/govuk-frontend@5.13.0/dist/govuk/govuk-frontend.min.js"></script> |
| 315 | +<script>window.GOVUKFrontend.initAll();</script> |
| 316 | +</body> |
| 317 | +</html> |
| 318 | +`` |
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