<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="675" viewBox="0 0 1200 675"><rect width="1200" height="675" fill="#f8fafc"/><text x="72" y="92" font-size="35" font-family="Arial,'Microsoft YaHei',sans-serif" font-weight="700" fill="#064e3b">服务网格实现A/B测试：HTTP Header流量路由</text><line x1="130" y1="350" x2="1070" y2="350" stroke="#10b981" stroke-width="10" stroke-linecap="round"/><circle cx="150" cy="350" r="48" fill="#064e3b"/><text x="150" y="358" text-anchor="middle" font-size="20" font-family="Arial,'Microsoft YaHei',sans-serif" fill="white" font-weight="700">1</text><text x="150" y="255" text-anchor="middle" font-size="21" font-family="Arial,'Microsoft YaHei',sans-serif" font-weight="700" fill="#064e3b">服务发现</text><circle cx="375" cy="350" r="48" fill="#064e3b"/><text x="375" y="358" text-anchor="middle" font-size="20" font-family="Arial,'Microsoft YaHei',sans-serif" fill="white" font-weight="700">2</text><text x="375" y="462" text-anchor="middle" font-size="21" font-family="Arial,'Microsoft YaHei',sans-serif" font-weight="700" fill="#064e3b">代理转发</text><circle cx="600" cy="350" r="48" fill="#064e3b"/><text x="600" y="358" text-anchor="middle" font-size="20" font-family="Arial,'Microsoft YaHei',sans-serif" fill="white" font-weight="700">3</text><text x="600" y="255" text-anchor="middle" font-size="21" font-family="Arial,'Microsoft YaHei',sans-serif" font-weight="700" fill="#064e3b">策略下发</text><circle cx="825" cy="350" r="48" fill="#064e3b"/><text x="825" y="358" text-anchor="middle" font-size="20" font-family="Arial,'Microsoft YaHei',sans-serif" fill="white" font-weight="700">4</text><text x="825" y="462" text-anchor="middle" font-size="21" font-family="Arial,'Microsoft YaHei',sans-serif" font-weight="700" fill="#064e3b">指标采集</text><circle cx="1050" cy="350" r="48" fill="#064e3b"/><text x="1050" y="358" text-anchor="middle" font-size="20" font-family="Arial,'Microsoft YaHei',sans-serif" fill="white" font-weight="700">5</text><text x="1050" y="255" text-anchor="middle" font-size="21" font-family="Arial,'Microsoft YaHei',sans-serif" font-weight="700" fill="#064e3b">异常处置</text><text x="72" y="612" font-size="24" font-family="Arial,'Microsoft YaHei',sans-serif" fill="#10b981">把微服务通信治理成可观测、可控制、可演进的运行体系</text></svg>