{"id":3795,"date":"2026-04-13T15:34:36","date_gmt":"2026-04-13T15:34:36","guid":{"rendered":"https:\/\/garderos.com\/use-cases\/highly-available-communications-infrastructure-for-the-smart-grid\/"},"modified":"2026-04-16T14:46:22","modified_gmt":"2026-04-16T14:46:22","slug":"highly-available-communications-infrastructure-for-the-smart-grid","status":"publish","type":"use_case","link":"https:\/\/garderos.com\/en\/use-cases\/highly-available-communications-infrastructure-for-the-smart-grid\/","title":{"rendered":"Highly available communications infrastructure for the smart grid"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<section\n        class=\"intro-section intro-circle-center type-2\"  style=\"background-image: url('https:\/\/garderos.com\/wp-content\/uploads\/2026\/04\/Energieversorger-scaled.jpg');\">\n            <div class=\"container\">\n            <div class=\"intro-circle\">\n                <div class=\"txt\">\n                    <h4>Utilities<\/h4>\n<h1>Highly available communications infrastructure for the smart grid<\/h1>\n                                        <a href=\"https:\/\/garderos.com\/en\/contact\/\" class=\"btn btn-orange\" target=\"_blank\">Talk to us<\/a>                <\/div>\n            <\/div>\n        <\/div>\n            <\/section>\n\n\r\n<section class=\"section-intro-text\">\r\n\r\n            <div class=\"text-box grey wide\">\r\n            <div class=\"wrap\">\r\n                <div class=\"txt-two-col\">\r\n                    <p>Energy suppliers and distribution network operators are under immense pressure to transform: local substations must be digitised across the board and an increasing number of components connected, the number of distributed generators is growing rapidly, and new regulatory requirements are heightening the need for transparency and grid stability. At the same time, there is a shortage of skilled personnel \u2013 projects are taking longer, and maintenance is becoming more complex and expensive.<\/p>\n<p>The key challenge: a stable, highly available and blackout-proof communications infrastructure that continues to function reliably even under difficult conditions.<\/p>\n<p>In this situation, the router becomes the core component: it connects sensors, control systems and the control centre, enables automation and provides the secure communication infrastructure that is essential for modern network management.<\/p>\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    \r\n            <div\r\n                class=\"text-box grey narrow\"\r\n                            style=\"background-image: url('https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/img-text-columns-1.png');\"\r\n                    >\r\n            <div class=\"wrap\">\r\n\r\n                                    <div class=\"items\">\r\n                                                    \r\n                                                            <div class=\"item\">\r\n\r\n                                                                            <div class=\"item-icon\">\r\n                                            <img decoding=\"async\"\r\n                                                    src=\"https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/icon-communication.svg\"\r\n                                                    alt=\"Icon\"\r\n                                            \/>\r\n                                        <\/div>\r\n                                    \r\n                                                                            <div class=\"item-text\">\r\n                                            <p>Highly available &amp; blackout-proof communication foundation<\/p>\n                                        <\/div>\r\n                                    \r\n                                <\/div>\r\n                            \r\n                                                    \r\n                                                            <div class=\"item\">\r\n\r\n                                                                            <div class=\"item-icon\">\r\n                                            <img decoding=\"async\"\r\n                                                    src=\"https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/icon-complex.svg\"\r\n                                                    alt=\"Icon\"\r\n                                            \/>\r\n                                        <\/div>\r\n                                    \r\n                                                                            <div class=\"item-text\">\r\n                                            <p>Centralised management, even across multiple sites<\/p>\n                                        <\/div>\r\n                                    \r\n                                <\/div>\r\n                            \r\n                                                    \r\n                                                            <div class=\"item\">\r\n\r\n                                                                            <div class=\"item-icon\">\r\n                                            <img decoding=\"async\"\r\n                                                    src=\"https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/icon-solutions.svg\"\r\n                                                    alt=\"Icon\"\r\n                                            \/>\r\n                                        <\/div>\r\n                                    \r\n                                                                            <div class=\"item-text\">\r\n                                            <p>Future-proof technology &amp; availability<\/p>\n                                        <\/div>\r\n                                    \r\n                                <\/div>\r\n                            \r\n                                            <\/div>\r\n                \r\n            <\/div>\r\n        <\/div>\r\n    \r\n<\/section>\n\n\r\n    <section class=\"section-text-boxes type-1\" >\r\n\r\n                    <div class=\"text-box blue\">\r\n                <div class=\"wrap\">\r\n\r\n                                            <div class=\"title\">\r\n\r\n                                                            <div class=\"icon\">\r\n                                    <img decoding=\"async\"\r\n                                        src=\"https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/icon-challenges.svg\"\r\n                                        alt=\"Icon\"\r\n                                    >\r\n                                <\/div>\r\n                            \r\n                                                            <h2>Challenges<\/h2>\n                            \r\n                        <\/div>\r\n                    \r\n                                            <ul>\n<li><span style=\"color: #ffa800;\">Modernisation of secondary substations:<\/span><br \/>\nHigh costs for physical RTUs, outdated legacy equipment, and a growing number of sensors and components that need to be connected.<\/li>\n<li><span style=\"color: #ffa800;\">Shortage of skilled professionals:<\/span><br \/>\nA lack of technical specialists delays rollouts, increases manual effort, and complicates maintenance and field configuration.<\/li>\n<li><span style=\"color: #ffa800;\">Blackout-resilient communication:<\/span><br \/>\nRedundant alternatives such as cellular or fibre must ensure reliable connectivity despite changing conditions.<\/li>\n<li><span style=\"color: #ffa800;\">Rising cyber risks and regulatory pressure:<\/span><br \/>\nThe growing number of connected components increases the attack surface, while compliance with requirements is mandatory. At the same time, grid transparency is becoming more important due to rising bidirectional energy flows.<\/li>\n<li><span style=\"color: #ffa800;\">Increasingly complex network and device management:<\/span><br \/>\nMore devices, data points and components make centralised monitoring and standardised logging indispensable.<\/li>\n<\/ul>\n                                        \r\n                    \r\n                <\/div>\r\n            <\/div>\r\n        \r\n\r\n                    <div\r\n                class=\"text-box grey\"\r\n                                    style=\"background-image: url('https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/img-text-columns-1.png');\"\r\n                            > \r\n                <div class=\"wrap\">\r\n\r\n                                            <div class=\"title\">\r\n\r\n                                                            <div class=\"icon\">\r\n                                    <img decoding=\"async\"\r\n                                        src=\"https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/icon-solutions.svg\"\r\n                                        alt=\"Icon\"\r\n                                    >\r\n                                <\/div>\r\n                            \r\n                                                            <h2>Solution<\/h2>\n                            \r\n                        <\/div>\r\n                    \r\n                                            <ul>\n<li><span style=\"color: #ffa800;\">Virtualised RTU functions and sensor integration:<\/span><br \/>\nA router with RTU virtualisation and direct sensor connectivity reduces hardware costs, extends the lifetime of legacy equipment, and enables cost-efficient modernisation of secondary substations in both new build and retrofit scenarios.<\/li>\n<li><span style=\"color: #ffa800;\">Automated rollout and centralised management:<\/span><br \/>\nZero-touch deployment, central configuration and remote diagnostics reduce personnel requirements and accelerate projects despite the shortage of skilled professionals.<\/li>\n<li><span style=\"color: #ffa800;\">Multi-WAN concepts:<\/span><br \/>\nFallback architectures using LTE\/5G, fibre and VPN ensure reliable communication.<\/li>\n<li><span style=\"color: #ffa800;\">Security architecture:<\/span><br \/>\nEncrypted communication (HTTPS\/IPsec\/SSH), continuous updates and compliance with relevant requirements secure communication across distributed grid nodes. Routers also support certificate-based authentication and automated certificate management for high scalability.<\/li>\n<li><span style=\"color: #ffa800;\">Central transparency and open monitoring:<\/span><br \/>\nRouters can be managed via an open, standards-based platform and provide centralised logging via Syslog and SNMP. They support IPv4\/IPv6 and enable end-to-end monitoring across multiple secondary substation sites.<\/li>\n<\/ul>\n                                                        <\/div>\r\n            <\/div>\r\n        \r\n    <\/section>\n\n\r\n    <section\r\n        class=\"section-benefits-for-operators\"\r\n                    style=\"background-image: url('https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/img-lp-benefits-for-operators.png');\"\r\n            >\r\n        <div class=\"container\">\r\n\r\n                            <div class=\"heading\">\r\n                    <h2>Benefits for Operators<\/h2>\n<p>&nbsp;<\/p>\n                <\/div>\r\n            \r\n                            <div class=\"items\">\r\n                                            \r\n                                                    <div class=\"item\">\r\n\r\n                                                                    <div class=\"item-icon\">\r\n                                        <img decoding=\"async\"\r\n                                            src=\"https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/icon-gear-arrows.svg\"\r\n                                            alt=\"Icon\"\r\n                                        >\r\n                                    <\/div>\r\n                                \r\n                                                                    <div class=\"item-text\">\r\n                                        <h3>Cost advantages for modernisation and retrofit<\/h3>\n<ul>\n<li>Virtualisation of RTU functions and direct sensor integration enable cost-efficient upgrades of secondary substations \u2013 without separate RTU hardware.<\/li>\n<li><strong>KPI benefit<\/strong>: lower investment cost per site; extended lifetime of legacy equipment.<\/li>\n<\/ul>\n                                    <\/div>\r\n                                \r\n                            <\/div>\r\n                        \r\n                                            \r\n                                                    <div class=\"item\">\r\n\r\n                                                                    <div class=\"item-icon\">\r\n                                        <img decoding=\"async\"\r\n                                            src=\"https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/icon-gear-arrows.svg\"\r\n                                            alt=\"Icon\"\r\n                                        >\r\n                                    <\/div>\r\n                                \r\n                                                                    <div class=\"item-text\">\r\n                                        <h3>Reduced operational effort<\/h3>\n<ul>\n<li>Centralised management, zero-touch deployment and remote diagnostics significantly reduce installation and service effort.<\/li>\n<li><strong>KPI benefit<\/strong>: shorter project timelines; lower OpEx due to fewer on-site interventions.<\/li>\n<\/ul>\n                                    <\/div>\r\n                                \r\n                            <\/div>\r\n                        \r\n                                            \r\n                                                    <div class=\"item\">\r\n\r\n                                                                    <div class=\"item-icon\">\r\n                                        <img decoding=\"async\"\r\n                                            src=\"https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/icon-gear-arrows.svg\"\r\n                                            alt=\"Icon\"\r\n                                        >\r\n                                    <\/div>\r\n                                \r\n                                                                    <div class=\"item-text\">\r\n                                        <h3>Higher availability and grid stability<\/h3>\n<ul>\n<li>Hardware\/software watchdogs and Multi-WAN fallback ensure stable communication even under challenging conditions.<\/li>\n<li><strong>KPI benefit<\/strong>: improved uptime; reduced outage duration; increased security of supply.<\/li>\n<\/ul>\n                                    <\/div>\r\n                                \r\n                            <\/div>\r\n                        \r\n                                            \r\n                                                    <div class=\"item\">\r\n\r\n                                                                    <div class=\"item-icon\">\r\n                                        <img decoding=\"async\"\r\n                                            src=\"https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/icon-gear-arrows.svg\"\r\n                                            alt=\"Icon\"\r\n                                        >\r\n                                    <\/div>\r\n                                \r\n                                                                    <div class=\"item-text\">\r\n                                        <h3>Full transparency across all grid nodes<\/h3>\n<ul>\n<li>Syslog, SNMP and standard interfaces provide end-to-end visibility across thousands of routers in secondary substations.<\/li>\n<li><strong>KPI benefit<\/strong>: faster fault detection and response.<\/li>\n<\/ul>\n                                    <\/div>\r\n                                \r\n                            <\/div>\r\n                        \r\n                                            \r\n                                                    <div class=\"item\">\r\n\r\n                                                                    <div class=\"item-icon\">\r\n                                        <img decoding=\"async\"\r\n                                            src=\"https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/icon-gear-arrows.svg\"\r\n                                            alt=\"Icon\"\r\n                                        >\r\n                                    <\/div>\r\n                                \r\n                                                                    <div class=\"item-text\">\r\n                                        <h3>Security and compliance for critical infrastructure<\/h3>\n<ul>\n<li>Encrypted connections, protocols and continuous updates reduce the attack surface and support regulatory requirements.<\/li>\n<li><strong>KPI benefit<\/strong>: fewer security incidents; lower compliance costs; automated certificate and update management.<\/li>\n<\/ul>\n                                    <\/div>\r\n                                \r\n                            <\/div>\r\n                        \r\n                                            \r\n                                                    <div class=\"item\">\r\n\r\n                                                                    <div class=\"item-icon\">\r\n                                        <img decoding=\"async\"\r\n                                            src=\"https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/icon-gear-arrows.svg\"\r\n                                            alt=\"Icon\"\r\n                                        >\r\n                                    <\/div>\r\n                                \r\n                                                                    <div class=\"item-text\">\r\n                                        <h3>Future-proof platform for decentralised energy<\/h3>\n<ul>\n<li>With the growth of PV systems, storage, and e-mobility, routers enable scalable grid automation and consistent data flows.<\/li>\n<li><strong>KPI benefit<\/strong>: improved grid utilisation; greater flexibility in load management.<\/li>\n<\/ul>\n                                    <\/div>\r\n                                \r\n                            <\/div>\r\n                        \r\n                                    <\/div>\r\n            \r\n        <\/div>\r\n    <\/section>\n\n\r\n<section class=\"section-intro-text\">\r\n\r\n    \r\n    \r\n<\/section>\n\n<section class=\"img-txt-section type-5\" >\r\n                        <span class=\"img-box\">\r\n                    <img decoding=\"async\" src=\"https:\/\/garderos.com\/wp-content\/uploads\/2025\/02\/img-10.jpg\" alt=\"Energieinfrastruktur als Einsatzbereich f\u00fcr Industrierouter und LTE-450 Router.\" loading=\"lazy\">\r\n            <\/span>\r\n                <div class=\"txt-box\" >\r\n        <div class=\"wrap\">\r\n            <h2>Technical Insight<\/h2>\n<ul class=\"decor-list\"><li>Virtualised RTU functions to replace or complement physical RTUs<\/li><li>Direct sensor integration via available interfaces, depending on project requirements<\/li><li>Secure data transmission via IPsec, TLS, HTTPS, firewall functions and SSH<\/li><li>Multi-WAN capability (LTE\/4G\/5G, Ethernet\/fibre, VPN) for communication redundancy<\/li><li>Watchdog for automatic connection recovery in case of disruptions<\/li><li>Syslog and SNMP support for integration into central control systems<\/li><li>IPv4\/IPv6 support for modern network architectures<\/li><li>Continuous software and security updates to keep routers up to date and ensure long-term reliability<\/li><li>Compact form factor, isolation and extended temperature range for use in secondary substations and outdoor cabinets<\/li><\/ul>        <\/div>\r\n    <\/div>\r\n<\/section>\n\n\r\n<section class=\"expertise-section\" >\r\n    <div class=\"img-box\" style=\"background-image: url('https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/mmm-3.png');\"><\/div>\r\n    <div class=\"txt-box\" style=\"background-image: url('https:\/\/garderos.com\/wp-content\/uploads\/2025\/02\/img-16.jpg');\">\r\n                    <div class=\"heading\">\r\n                <h2>Why Garderos<\/h2>\n            <\/div>\r\n                            <div class=\"expertise-list\">\r\n                                    <div class=\"item\">\r\n                        <h3><span style=\"color: #ffa800;\">Scalable management: <\/span><\/h3>\n<p>With the Garderos Configuration Server (GCS), configurations, certificates, firmware and logging can be centrally managed \u2013 without on-site service, ideal for large networks.<\/p>\n                    <\/div>\r\n                                    <div class=\"item\">\r\n                        <h3><span style=\"color: #ffa800;\">Long-term investment security:<\/span><\/h3>\n<p>Product lifecycles of 15+ years and long-term availability reduce future replacement cycles.<\/p>\n                    <\/div>\r\n                                    <div class=\"item\">\r\n                        <h3><span style=\"color: #ffa800;\">Security architecture for critical infrastructure<\/span><\/h3>\n<p>VPN, IPsec\/TLS, firewalling, support for industry-standard protocols and certificate-based authentication \u2013 designed to meet security and compliance requirements (e.g. NIS2).<\/p>\n                    <\/div>\r\n                                    <div class=\"item\">\r\n                        <h3><span style=\"color: #ffa800;\">High availability for blackout and fault scenarios<\/span><\/h3>\n<p style=\"text-align: right;\">450 MHz, watchdogs, Multi-WAN and self-healing mechanisms ensure communication remains stable even under extreme conditions.<\/p>\n                    <\/div>\r\n                                    <div class=\"item\">\r\n                        <h3><span style=\"color: #ffa800;\">Proven for industrial use in secondary substations<\/span><\/h3>\n<p>Robust hardware with an extended temperature range, isolation and a compact form factor \u2013 ideal for confined outdoor cabinets and harsh environments.<\/p>\n                    <\/div>\r\n                                    <div class=\"item\">\r\n                        <h3><span style=\"color: #ffa800;\">Customised solutions<\/span><\/h3>\n<p>Garderos develops tailored interface combinations, software modules (e.g. protocol converters), edge containers and integrations into existing control systems.<\/p>\n                    <\/div>\r\n                            <\/div>\r\n            <\/div>\r\n<\/section>\n\n\n<section  class=\"txt-img-section type-7\">\n    <div class=\"txt-box\" >\n        <div class=\"wrap\">\n            <h3>Are you facing a similar challenge?<\/h3>\n<p>Let\u2019s discuss your use case.<\/p>\n<a href=\"https:\/\/garderos.com\/en\/contact\/\" class=\"btn btn-white\" target=\"_blank\">Talk to us<\/a>        <\/div>\n    <\/div>\n            <span class=\"img-box mobile-hidden\" style=\"background-image: url('https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/Rectangle-87.png');\"><\/span>\n        <\/section>\n\n\n<section class=\"clients-section\" >\r\n    <div class=\"container\">\r\n                    <div class=\"head-box\">\r\n               <h2>Our Clients<\/h2>\n            <\/div>\r\n                        <div class=\"clients-slider\">\r\n                        <div class=\"item\">\r\n                <div class=\"wrap\">\r\n                    <img decoding=\"async\" src=\"https:\/\/garderos.com\/wp-content\/uploads\/2025\/03\/EWE_AG_logo-weiss.png\"\r\n                         alt=\"\" loading=\"lazy\"\/>\r\n                <\/div>\r\n            <\/div>\r\n                        <div class=\"item\">\r\n                <div class=\"wrap\">\r\n                    <img decoding=\"async\" src=\"https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/EnBW_Logozusatz_ODR_Horizontal_Weiss_sRGB.svg\"\r\n                         alt=\"\" loading=\"lazy\"\/>\r\n                <\/div>\r\n            <\/div>\r\n                        <div class=\"item\">\r\n                <div class=\"wrap\">\r\n                    <img decoding=\"async\" src=\"https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/NetzeBW_SD_Logo_Weiss_sRGB.png\"\r\n                         alt=\"\" loading=\"lazy\"\/>\r\n                <\/div>\r\n            <\/div>\r\n                        <div class=\"item\">\r\n                <div class=\"wrap\">\r\n                    <img decoding=\"async\" src=\"https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/png_CH-EnBW-gross_Wort-Bild-Logo_weiss.png\"\r\n                         alt=\"Logo Charge Here\" loading=\"lazy\"\/>\r\n                <\/div>\r\n            <\/div>\r\n                        <div class=\"item\">\r\n                <div class=\"wrap\">\r\n                    <img decoding=\"async\" src=\"https:\/\/garderos.com\/wp-content\/uploads\/2026\/04\/EDIS_Logo_Weiss.png\"\r\n                         alt=\"\" loading=\"lazy\"\/>\r\n                <\/div>\r\n            <\/div>\r\n                        <div class=\"item\">\r\n                <div class=\"wrap\">\r\n                    <img decoding=\"async\" src=\"https:\/\/garderos.com\/wp-content\/uploads\/2025\/03\/Vitronic_Logo-weiss.png\"\r\n                         alt=\"\" loading=\"lazy\"\/>\r\n                <\/div>\r\n            <\/div>\r\n                        <div class=\"item\">\r\n                <div class=\"wrap\">\r\n                    <img decoding=\"async\" src=\"https:\/\/garderos.com\/wp-content\/uploads\/2025\/03\/Thyssengas-Logo-weiss.png\"\r\n                         alt=\"\" loading=\"lazy\"\/>\r\n                <\/div>\r\n            <\/div>\r\n                        <div class=\"item\">\r\n                <div class=\"wrap\">\r\n                    <img decoding=\"async\" src=\"https:\/\/garderos.com\/wp-content\/uploads\/2025\/03\/EnBW-weiss.png\"\r\n                         alt=\"\" loading=\"lazy\"\/>\r\n                <\/div>\r\n            <\/div>\r\n                    <\/div>\r\n            <\/div>\r\n<\/section>\n\n\n\n\r\n<section class=\"section-further-info\" >\r\n\r\n            <div class=\"img-box mobile-hidden\" style=\"background-image: url('https:\/\/garderos.com\/wp-content\/uploads\/2026\/03\/img-future-info.png');\"><\/div>\r\n    \r\n    <div class=\"text-box blue\">\r\n        <div class=\"wrap\">\r\n\r\n                            <h3>Further Information<\/h3>\n<p>Which Garderos router series are best suited for this use case?<br \/>\nWhat software capabilities does Garderos provide?<\/p>\n            \r\n                            <ul class=\"links-list\">\r\n\r\n                    \r\n                                                    <li>\r\n                                <a\r\n                                    href=\"https:\/\/garderos.com\/en\/custom-product\/r-7900-serie\/\"\r\n                                    target=\"_blank\"\r\n                                >\r\n                                    Serie R-7900                                <\/a>\r\n                            <\/li>\r\n                        \r\n                    \r\n                                                    <li>\r\n                                <a\r\n                                    href=\"https:\/\/garderos.com\/en\/custom-product\/r-8500-serie\/\"\r\n                                    target=\"_blank\"\r\n                                >\r\n                                    Serie R-8500                                <\/a>\r\n                            <\/li>\r\n                        \r\n                    \r\n                                                    <li>\r\n                                <a\r\n                                    href=\"https:\/\/garderos.com\/en\/software\/\"\r\n                                    target=\"_blank\"\r\n                                >\r\n                                    Router Software &amp; Configuration Server                                <\/a>\r\n                            <\/li>\r\n                        \r\n                    \r\n                <\/ul>\r\n            \r\n        <\/div>\r\n    <\/div>\r\n\r\n<\/section>\n\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The router is the central component of the smart grid: it connects sensors, control systems and the control centre, enables automation and provides a secure communications infrastructure.<\/p>\n","protected":false},"featured_media":3742,"template":"","partners_category":[],"application_type":[73],"class_list":["post-3795","use_case","type-use_case","status-publish","has-post-thumbnail","hentry","application_type-utilities"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Highly available communications infrastructure for the smart grid - Garderos<\/title>\n<meta name=\"description\" content=\"Rising requirements, increasing complexity: without a highly available 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