{"id":17282,"date":"2023-07-12T09:52:49","date_gmt":"2023-07-12T07:52:49","guid":{"rendered":"https:\/\/www.savecall.de\/compact-knowledge-of-network-infrastructure\/"},"modified":"2026-04-28T08:22:41","modified_gmt":"2026-04-28T06:22:41","slug":"compact-knowledge-of-network-infrastructure","status":"publish","type":"post","link":"https:\/\/www.savecall.de\/en\/compact-knowledge-of-network-infrastructure\/","title":{"rendered":"Compact knowledge of network infrastructure"},"content":{"rendered":"\n

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Compact knowledge of network infrastructure<\/h1>\n<\/div>\n\n\n\n

Trusted Advisor for IT & Telecommunications Sourcing<\/h3>\n<\/div>\n\n\n\n
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Strong networks for strong companies<\/h2>\n<\/div>\n<\/div>\n\n\n\n
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Why the network infrastructure determines digital performance<\/h3>\n\n\n\n
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Without a stable network infrastructure<\/a>, digital transformation comes to a standstill. AI, IoT<\/a> and data-based applications require reliable connections – but many companies are struggling with bottlenecks, outages and security risks. <\/p>\n\n\n\n
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Typical challenges for IT teams:<\/strong><\/p>\n\n\n\n
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Outdated network hardware and low scalability<\/li>\n\n\n\n
Security gaps due to lack of segmentation<\/li>\n\n\n\n
Lack of transparency and complex management<\/li>\n\n\n\n
Insufficient performance for modern applications<\/li>\n<\/ul>\n\n\n\n
The question:<\/strong> How do companies create a network infrastructure that combines the future, security and efficiency?<\/em><\/p>\n<\/div>\n\n\n\n
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Network infrastructure: part of everyday life<\/p>\n\n\n\n
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Most people use some form of network infrastructure every day. Whether you’re using Wi-Fi on your laptop or data on a smartphone, network infrastructure is the cornerstone of these connections. This makes network infrastructure an essential part of everyday life. <\/p>\n\n\n\n
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But what exactly is a network infrastructure, and what components does it consist of? In this article, we will explore the basics of network infrastructure and the importance of a robust network infrastructure. <\/p>\n\n\n\n
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What is a network infrastructure?<\/p>\n\n\n\n
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The term network infrastructure refers to the physical and virtual components required to build a network with connected devices. These components can include network hardware such as routers, switches, firewalls, cables and hubs. It can also include software such as portals, network protocols and network management systems. The network infrastructure allows different devices to communicate with each other and can be both wired and wireless. <\/p>\n\n\n\n
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The network infrastructure is the backbone of modern technology. It provides the transmission paths for technologies such as AI, IoT and advanced data analysis. It enables connection to the internet, access to online services and communication with people all over the world. The importance of network infrastructure cannot be overstated, as it is what makes our digital lives possible. <\/p>\n\n\n\n
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The importance of a robust network infrastructure<\/p>\n\n\n\n
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A robust network infrastructure is crucial for maintaining continuous connectivity and communication, improving productivity and increasing security. It facilitates seamless communication between employees, promotes collaboration and increases efficiency in organizations. A reliable network infrastructure reduces the risk of data breaches and cyber threats and ensures a higher level of network security. <\/p>\n\n\n\n
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Without a stable network infrastructure, companies can experience downtime, slow connections and security breaches. This can lead to loss of productivity and revenue and damage the company’s reputation. By investing in a stable network infrastructure, companies can ensure smooth and secure operations. <\/p>\n\n\n\n
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Types of network infrastructure<\/p>\n\n\n\n
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The network infrastructure refers to the hardware and network software components that make up a network. This includes the devices, cables and protocols to which they are connected. There are three main types of network infrastructure: wired, wireless and hybrid networks. <\/p>\n\n\n\n
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Wired networks<\/p>\n\n\n\n
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A wired network uses physical cables to connect devices to each other and to the internet. This type of network infrastructure provides secure, high-speed connections and reliable performance. Wired networks are often used in large organizations that require high bandwidth, low latency and consistent performance. Wired networks are ideal for applications such as streaming video or transferring large files. These are applications that require high bandwidth with guaranteed speed. Ethernet cables are the most commonly used cable type in wired networks. They are reliable and can transmit data at high speed over long distances. Ethernet networks are often run over fiber optic cable. Fiber optic cables are another type of cable used in wired networks. They use light to transmit data and are therefore faster and more secure than other cable types (e.g. copper cables). However, wired networks are not without their drawbacks. Physical cables can be expensive and time-consuming to install and maintain. They can also be difficult to reconfigure when the network needs to be expanded or changed. And, of course, the millions of people with smartphones in their pockets can’t be tethered to their internet connection. <\/p>\n\n\n\n
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Wireless networks<\/p>\n\n\n\n
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A wireless network uses radio waves to connect network infrastructure devices to each other and to the Internet. Wireless networks are becoming increasingly popular because they are convenient, flexible and easy to set up. Wi-Fi is the most common type of wireless network. It is commonly used in homes, small businesses and public places. 5G is a type of wireless technology that we hear a lot about these days. 5G is the 5th generation of wireless networks and offers significant advancements over its predecessors 3G and 4G\/LTE. These improvements include higher speeds, lower latency and higher capacity. In addition, 5G enables the simultaneous real-time transmission of millions of internet-connected devices. Wireless networks eliminate the need for physical cables, making them ideal for mobile devices such as laptops, tablets and smartphones. However, they are susceptible to interference from other wireless devices, which can lead to slower speeds and connectivity issues. Wireless networks are also less secure than wired networks as anyone within range of the signal can access them. <\/p>\n\n\n\n
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Hybrid networks<\/p>\n\n\n\n
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The largest mobile operators have a complex mesh of wired fiber optics connecting their wireless infrastructure of towers and small cells. A hybrid network combines wired and wireless network infrastructures to provide a flexible and reliable network solution. Hybrid networks are widely used in large organizations that require both wired and wireless connectivity. Hybrid networks offer the best of both worlds. With hybrid networks, you get the speed, bandwidth and security of wired networks and the convenience and flexibility of wireless networks. For example, a company could use a wired network to connect desktop computers and web servers in an office space. A wireless network is used for laptops and mobile devices. This gives employees both the high-speed connection they need and the flexibility to work from anywhere in the office. However, hybrid networks can be more complex to set up and maintain than a wired or wireless network alone. The decision to go with a wired, wireless or hybrid network depends entirely on the type of communication your business requires. <\/p>\n\n\n\n
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Network devices and components<\/p>\n\n\n\n
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Let’s dive into the basics of network devices and components. There are several essential network devices and components that make up a network infrastructure. The essential components of a network infrastructure often include a server, a router, a switch, a hub and a firewall. Depending on the specific requirements of the network, many other components can be part of a network infrastructure. These include load balancers, wireless access points, VPNs, DNS servers, network interface devices (NIDs) and much more. <\/p>\n\n\n\n
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Router<\/p>\n\n\n\n
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A router is a network device that forwards data packets between different computer networks. Routers connect a local network to the internet and allow multiple devices to connect simultaneously. Routers are essential for securing a network and reliably transporting packets over network connections. You can manage your routing yourself, or you can choose to have a provider manage your routing on your behalf. <\/p>\n\n\n\n
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Switches<\/p>\n\n\n\n
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Switches connect different devices in a network with each other. Switches enable devices to communicate with each other and can also improve network performance by reducing network congestion. You can manage your switches yourself, or you can choose to have your provider manage the switches on your behalf. <\/p>\n\n\n\n
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Hubs<\/p>\n\n\n\n
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Hubs are network devices that connect the devices in a network with each other. Hubs send data to all devices in the network, which can lead to network overload and loss of performance. Hubs are rarely used in modern networks due to their limitations. <\/p>\n\n\n\n
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Server<\/p>\n\n\n\n
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Servers are computer systems that manage users, resources and applications in a network. They can store and share data, host websites and run applications that can be accessed by users in the network. <\/p>\n\n\n\n
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Network interface cards (NICs)<\/p>\n\n\n\n
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A network interface card (NIC) is an expansion card that can be used to connect a computer to a network. NICs can be either wired or wireless and provide the interface between a computer and the network. NICs can also perform functions such as encrypting and decrypting network traffic. <\/p>\n\n\n\n
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Cables and connectors<\/p>\n\n\n\n
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Cables and connectors are essential components of the network infrastructure. Ethernet cables, fiber optic cables and coaxial cables are common cable types used in wired networks. Wi-Fi uses radio waves to connect devices wirelessly. <\/p>\n\n\n\n
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Firewalls<\/p>\n\n\n\n
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A firewall is a security device for the network infrastructure that monitors and controls incoming and outgoing network traffic. It protects the network from unauthorized access and cyber threats. <\/p>\n\n\n\n
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Design of the network infrastructure<\/p>\n\n\n\n
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The decision for a network configuration depends entirely on the communication flow of the people (and machines) using the network. Think of your company as a college campus where all the buildings are standing, all the grass has grown, but no sidewalks have been laid. Ideally, you should allow students, employees, families and suppliers to walk freely between the buildings for a few weeks. After a while, you’ll find that the grass will form the usual paths, and that’s where you’ll build your sidewalks. Understanding your own traffic routes will naturally lead to the design of your network. <\/p>\n\n\n\n
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There are five common ways to design the infrastructure of your network: Bus, Hub and Spoke, Ring, Mesh and Tree:<\/p>\n\n\n\n
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In a bus topology, all devices are connected to a single cable that serves as the backbone for the network. Bus topologies are usually used for local area networks (LANs). They are easy to set up and require fewer cables than other network infrastructures. However, if the backbone cable fails, the entire network is affected. <\/p>\n\n\n\n
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In a hub-and-spoke topology (also known as a “star” topology), each device is connected to a central device, e.g. a hub or switch. All data is routed through this device, allowing for easy network management. Star topologies are reliable and can be easily expanded. However, they can be expensive to set up and require more cables than other topologies. <\/p>\n\n\n\n
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In a ring topology, the devices are connected to each other in a ring formation, with the data flowing in one direction. Each device acts as a repeater, amplifying the signal and passing it on to the next device. Ring topologies are reliable and can support high-speed data transmissions. However, they can be expensive to set up and difficult to expand. <\/p>\n\n\n\n
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In a mesh topology, all devices are connected to each other, creating multiple paths for data transmission. Mesh topologies are extremely reliable because if one device fails, the data can find another path. Mesh topologies are often used in critical applications such as hospitals and air traffic control systems due to their high reliability. However, mesh topologies can be complicated to set up, are quite expensive and require a lot of cabling. <\/p>\n\n\n\n
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A tree topology is a combination of bus and star topology. The devices are connected in a hierarchical structure, with the branches connected to a central backbone cable. Tree topologies are reliable and scalable. However, they can be complicated to set up and also require more cabling than other topologies. <\/p>\n\n\n\n
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Making your network infrastructure “robust<\/p>\n\n\n\n
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Building a robust network infrastructure involves a combination of the physical components described above and the software components presented below. These work together to improve reliability, security and performance. <\/p>\n\n\n\n
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A robust network infrastructure has the following characteristics:<\/p>\n\n\n\n
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Highly reliable availability – redundancy and resilience are key here. You can ensure availability by using redundant backup devices, power supplies and sources and routing traffic across multiple paths. This ensures that your network can be restored even if something goes wrong. <\/p>\n\n\n\n
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Network segmentation and isolation: The separation of data traffic increases security. An IP VPN isolates different types of data traffic. This ensures that different departments do not have access to each other’s data. <\/p>\n\n\n\n
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Network management tools – the right software to ensure continuous health Use network management systems that enable centralized control and configuration of network devices, making troubleshooting and maintenance easier.<\/p>\n\n\n\n
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Security – to protect your network from malicious actors. In addition to the firewalls mentioned above, you can use intrusion detection and prevention, security brokers, zero-trust technology and other security technologies. These help protect against unauthorized access, malware and other threats. <\/p>\n\n\n\n
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These are the key elements that, when implemented well, make up a robust network. Other elements include disaster recovery, scaling for the future and regular testing and auditing. <\/p>\n\n\n\n
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\n<\/iframe>\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-group alignfull has-savecall-light-grey-background-color has-background is-layout-flow wp-container-core-group-is-layout-824489b1 wp-block-group-is-layout-flow\" style=\"margin-top:var(--wp--preset--spacing--50);margin-bottom:0;padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\">\n<div class=\"wp-block-group header-plus-bottomborder logo-header is-content-justification-center is-nowrap is-layout-flex wp-container-core-group-is-layout-3b6f8b40 wp-block-group-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--50);padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30)\">\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"h-what-drives-you-forward-amp-what-drives\" style=\"font-style:normal;font-weight:300\">What drives you forward – & what drives<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/08\/header-logo.svg\" alt=\"\" class=\"wp-image-334\"\/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><div class=\"acf-post-slider swiper\">\r\n <div class=\"swiper-wrapper\">\r\n <div class=\"swiper-slide\">\r\n <a href=\"https:\/\/www.savecall.de\/en\/dual-resilient-dia-ai-workflows\/\">\r\n\r\n <div class=\"image-container\">\r\n <div class=\"slide-image no-image\">\r\n <\/div>\r\n <p>Internet<\/p>\r\n <\/div>\r\n\r\n <div class=\"content-container\">\r\n <h3 class=\"slide-title\">Dual-Resilient DIA for AI Networks<\/h3>\r\n <div class=\"content-more-container\">\r\n <h3 class=\"slide-more\">Learn moreLearn more<\/h3>\r\n <\/div>\r\n <\/div>\r\n\r\n <\/a>\r\n <\/div>\r\n <div class=\"swiper-slide\">\r\n <a 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srcset=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/COMPLE1-scaled-1024x523.jpg 1024w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/COMPLE1-scaled-300x153.jpg 300w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/COMPLE1-scaled-768x392.jpg 768w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/COMPLE1-scaled-1536x785.jpg 1536w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/COMPLE1-scaled-2048x1046.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/> <\/div>\r\n <p>Partner<\/p>\r\n <\/div>\r\n\r\n <div class=\"content-container\">\r\n <h3 class=\"slide-title\">SAVECALL at the 2026 Colt Charity Bike Ride<\/h3>\r\n <div class=\"content-more-container\">\r\n <h3 class=\"slide-more\">Learn moreLearn more<\/h3>\r\n <\/div>\r\n <\/div>\r\n\r\n <\/a>\r\n <\/div>\r\n <div class=\"swiper-slide\">\r\n <a href=\"https:\/\/www.savecall.de\/en\/globale-internet-beschaffung-warum-inhouse-sourcing-oft-teurer-wird-als-gedacht\/\">\r\n\r\n <div class=\"image-container\">\r\n <div class=\"slide-image image\">\r\n <img decoding=\"async\" width=\"1024\" height=\"523\" src=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/COMPLE1-scaled-1024x523.jpg?wsr\" class=\"attachment-large size-large wp-post-image\" alt=\"Das Bild visualisiert Wide Area Networks (WAN)\" loading=\"lazy\" srcset=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/COMPLE1-scaled-1024x523.jpg 1024w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/COMPLE1-scaled-300x153.jpg 300w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/COMPLE1-scaled-768x392.jpg 768w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/COMPLE1-scaled-1536x785.jpg 1536w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/COMPLE1-scaled-2048x1046.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/> <\/div>\r\n <p>WAN<\/p>\r\n <\/div>\r\n\r\n <div class=\"content-container\">\r\n <h3 class=\"slide-title\">Globale Internet-Beschaffung: Warum Inhouse-Sourcing oft teurer wird als gedacht<\/h3>\r\n <div class=\"content-more-container\">\r\n <h3 class=\"slide-more\">Learn moreLearn more<\/h3>\r\n <\/div>\r\n <\/div>\r\n\r\n <\/a>\r\n <\/div>\r\n <div class=\"swiper-slide\">\r\n <a href=\"https:\/\/www.savecall.de\/en\/managed-security-service-provider-germany\/\">\r\n\r\n <div class=\"image-container\">\r\n <div class=\"slide-image image\">\r\n <img decoding=\"async\" width=\"1024\" height=\"574\" src=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Security-min-1024x574.jpg?wsr\" class=\"attachment-large size-large wp-post-image\" alt=\"SAVECALL IT-Security mit Cyber Defense, SASE, Dedicated Cloud Access und Hosting f\u00fcr umfassenden Unternehmensschutz\" loading=\"lazy\" srcset=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Security-min-1024x574.jpg 1024w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Security-min-300x168.jpg 300w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Security-min-768x430.jpg 768w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Security-min-1536x861.jpg 1536w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Security-min-2048x1148.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/> <\/div>\r\n <p>Security<\/p>\r\n <\/div>\r\n\r\n <div class=\"content-container\">\r\n <h3 class=\"slide-title\">managed-security-service-provider-germany<\/h3>\r\n <div class=\"content-more-container\">\r\n <h3 class=\"slide-more\">Learn moreLearn more<\/h3>\r\n <\/div>\r\n <\/div>\r\n\r\n <\/a>\r\n <\/div>\r\n <div class=\"swiper-slide\">\r\n <a href=\"https:\/\/www.savecall.de\/en\/wan-costs-site-connectivity\/\">\r\n\r\n <div class=\"image-container\">\r\n <div class=\"slide-image image\">\r\n <img decoding=\"async\" width=\"1024\" height=\"469\" src=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-1024x469.jpg?wsr\" class=\"attachment-large size-large wp-post-image\" alt=\"Satellite orbiting Earth symbolizing global voice communication and seamless enterprise connectivity\" loading=\"lazy\" srcset=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-1024x469.jpg 1024w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-300x137.jpg 300w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-768x352.jpg 768w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-1536x704.jpg 1536w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-2048x938.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/> <\/div>\r\n <p>WAN<\/p>\r\n <\/div>\r\n\r\n <div class=\"content-container\">\r\n <h3 class=\"slide-title\">wan-costs-site-connectivity<\/h3>\r\n <div class=\"content-more-container\">\r\n <h3 class=\"slide-more\">Learn moreLearn more<\/h3>\r\n <\/div>\r\n <\/div>\r\n\r\n <\/a>\r\n <\/div>\r\n <div class=\"swiper-slide\">\r\n <a href=\"https:\/\/www.savecall.de\/en\/wan-monitoring-visibility-operation\/\">\r\n\r\n <div class=\"image-container\">\r\n <div class=\"slide-image image\">\r\n <img decoding=\"async\" width=\"1024\" height=\"469\" src=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-1024x469.jpg?wsr\" class=\"attachment-large size-large wp-post-image\" alt=\"Satellite orbiting Earth symbolizing global voice communication and seamless enterprise connectivity\" loading=\"lazy\" srcset=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-1024x469.jpg 1024w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-300x137.jpg 300w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-768x352.jpg 768w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-1536x704.jpg 1536w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-2048x938.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/> <\/div>\r\n <p>WAN<\/p>\r\n <\/div>\r\n\r\n <div class=\"content-container\">\r\n <h3 class=\"slide-title\">wan-monitoring-visibility-operation<\/h3>\r\n <div class=\"content-more-container\">\r\n <h3 class=\"slide-more\">Learn moreLearn more<\/h3>\r\n <\/div>\r\n <\/div>\r\n\r\n <\/a>\r\n <\/div>\r\n <div class=\"swiper-slide\">\r\n <a href=\"https:\/\/www.savecall.de\/en\/wan-sla-mttr-worauf-achten\/\">\r\n\r\n <div class=\"image-container\">\r\n <div class=\"slide-image image\">\r\n <img decoding=\"async\" width=\"1024\" height=\"469\" src=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-1024x469.jpg?wsr\" class=\"attachment-large size-large wp-post-image\" alt=\"Satellite orbiting Earth symbolizing global voice communication and seamless enterprise connectivity\" loading=\"lazy\" srcset=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-1024x469.jpg 1024w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-300x137.jpg 300w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-768x352.jpg 768w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-1536x704.jpg 1536w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-2048x938.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/> <\/div>\r\n <p>WAN<\/p>\r\n <\/div>\r\n\r\n <div class=\"content-container\">\r\n <h3 class=\"slide-title\">wan-sla-mttr-what-counts<\/h3>\r\n <div class=\"content-more-container\">\r\n <h3 class=\"slide-more\">Learn moreLearn more<\/h3>\r\n <\/div>\r\n <\/div>\r\n\r\n <\/a>\r\n <\/div>\r\n <div class=\"swiper-slide\">\r\n <a href=\"https:\/\/www.savecall.de\/en\/cloud-phone-system-provider-comparison\/\">\r\n\r\n <div class=\"image-container\">\r\n <div class=\"slide-image image\">\r\n <img decoding=\"async\" width=\"1024\" height=\"469\" src=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-1024x469.jpg?wsr\" class=\"attachment-large size-large wp-post-image\" alt=\"Satellite orbiting Earth symbolizing global voice communication and seamless enterprise connectivity\" loading=\"lazy\" srcset=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-1024x469.jpg 1024w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-300x137.jpg 300w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-768x352.jpg 768w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-1536x704.jpg 1536w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Voice-min-2048x938.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/> <\/div>\r\n <p>Voice<\/p>\r\n <\/div>\r\n\r\n <div class=\"content-container\">\r\n <h3 class=\"slide-title\">cloud-phone-system-provider-comparison<\/h3>\r\n <div class=\"content-more-container\">\r\n <h3 class=\"slide-more\">Learn moreLearn more<\/h3>\r\n <\/div>\r\n <\/div>\r\n\r\n <\/a>\r\n <\/div>\r\n <div class=\"swiper-slide\">\r\n <a href=\"https:\/\/www.savecall.de\/en\/business-mobile-provider-comparison-2026\/\">\r\n\r\n <div class=\"image-container\">\r\n <div class=\"slide-image image\">\r\n <img decoding=\"async\" width=\"1024\" height=\"416\" src=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Tarifvergleich-min-1024x416.jpg?wsr\" class=\"attachment-large size-large wp-post-image\" alt=\"SAVECALL Mobilfunk Tarifvergleich, transparente \u00dcbersicht und Optimierung von Gesch\u00e4ftsmobilfunkvertr\u00e4gen f\u00fcr maximale Kosteneffizienz.\" loading=\"lazy\" srcset=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Tarifvergleich-min-1024x416.jpg 1024w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Tarifvergleich-min-300x122.jpg 300w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Tarifvergleich-min-768x312.jpg 768w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Tarifvergleich-min-1536x624.jpg 1536w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Tarifvergleich-min-2048x832.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/> <\/div>\r\n <p>Mobile radio management<\/p>\r\n <\/div>\r\n\r\n <div class=\"content-container\">\r\n <h3 class=\"slide-title\">Business Mobile Provider Comparison 2026<\/h3>\r\n <div class=\"content-more-container\">\r\n <h3 class=\"slide-more\">Learn moreLearn more<\/h3>\r\n <\/div>\r\n <\/div>\r\n\r\n <\/a>\r\n <\/div>\r\n <div class=\"swiper-slide\">\r\n <a href=\"https:\/\/www.savecall.de\/en\/business-internet-connection-which-provider-fits\/\">\r\n\r\n <div class=\"image-container\">\r\n <div class=\"slide-image image\">\r\n <img decoding=\"async\" width=\"1024\" height=\"469\" src=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Internet-min-1024x469.jpg?wsr\" class=\"attachment-large size-large wp-post-image\" alt=\"SAVECALL Business Internet mit Glasfaser, Standleitung, Richtfunk und SDSL f\u00fcr schnelle Unternehmenskonnektivit\u00e4t\" loading=\"lazy\" srcset=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Internet-min-1024x469.jpg 1024w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Internet-min-300x137.jpg 300w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Internet-min-768x352.jpg 768w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Internet-min-1536x704.jpg 1536w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Internet-min-2048x938.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/> <\/div>\r\n <p>Internet<\/p>\r\n <\/div>\r\n\r\n <div class=\"content-container\">\r\n <h3 class=\"slide-title\">Business Internet Connection Which Provider Fits<\/h3>\r\n <div class=\"content-more-container\">\r\n <h3 class=\"slide-more\">Learn moreLearn more<\/h3>\r\n <\/div>\r\n <\/div>\r\n\r\n <\/a>\r\n <\/div>\r\n <div class=\"swiper-slide\">\r\n <a href=\"https:\/\/www.savecall.de\/en\/why-vendor-sprawl-destroys-agility\/\">\r\n\r\n <div class=\"image-container\">\r\n <div class=\"slide-image image\">\r\n <img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Consulting1-small-min-1024x683.jpg?wsr\" class=\"attachment-large size-large wp-post-image\" alt=\"SAVECALL Consulting: professionelle Beratung f\u00fcr WAN, Vertragsmanagement, Ausschreibungen & Rechenzentrumsumz\u00fcge.\" loading=\"lazy\" srcset=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Consulting1-small-min-1024x683.jpg 1024w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Consulting1-small-min-300x200.jpg 300w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Consulting1-small-min-768x512.jpg 768w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Consulting1-small-min.jpg 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/> <\/div>\r\n <p>Consulting<\/p>\r\n <\/div>\r\n\r\n <div class=\"content-container\">\r\n <h3 class=\"slide-title\">why-vendor-sprawl-destroys-agility<\/h3>\r\n <div class=\"content-more-container\">\r\n <h3 class=\"slide-more\">Learn moreLearn more<\/h3>\r\n <\/div>\r\n <\/div>\r\n\r\n <\/a>\r\n <\/div>\r\n <div class=\"swiper-slide\">\r\n <a href=\"https:\/\/www.savecall.de\/en\/ki-faehige-netzwerke-warum-bandbreite-nicht-reicht-und-worauf-cios-wirklich-achten-muessen\/\">\r\n\r\n <div class=\"image-container\">\r\n <div class=\"slide-image image\">\r\n <img decoding=\"async\" width=\"1024\" height=\"523\" src=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/COMPLE1-scaled-1024x523.jpg?wsr\" class=\"attachment-large size-large wp-post-image\" alt=\"Das Bild visualisiert Wide Area Networks (WAN)\" loading=\"lazy\" srcset=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/COMPLE1-scaled-1024x523.jpg 1024w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/COMPLE1-scaled-300x153.jpg 300w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/COMPLE1-scaled-768x392.jpg 768w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/COMPLE1-scaled-1536x785.jpg 1536w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/COMPLE1-scaled-2048x1046.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/> <\/div>\r\n <p>WAN<\/p>\r\n <\/div>\r\n\r\n <div class=\"content-container\">\r\n <h3 class=\"slide-title\">AI-Enabled Networks: Why Bandwidth Alone Isn’t Enough\u2014and What CIOs Really Need to Focus On<\/h3>\r\n <div class=\"content-more-container\">\r\n <h3 class=\"slide-more\">Learn moreLearn more<\/h3>\r\n <\/div>\r\n <\/div>\r\n\r\n <\/a>\r\n <\/div>\r\n <div class=\"swiper-slide\">\r\n <a href=\"https:\/\/www.savecall.de\/en\/global-connectivity-from-a-single-source\/\">\r\n\r\n <div class=\"image-container\">\r\n <div class=\"slide-image image\">\r\n <img decoding=\"async\" width=\"1024\" height=\"469\" src=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Internet-min-1024x469.jpg?wsr\" class=\"attachment-large size-large wp-post-image\" alt=\"SAVECALL Business Internet mit Glasfaser, Standleitung, Richtfunk und SDSL f\u00fcr schnelle Unternehmenskonnektivit\u00e4t\" loading=\"lazy\" srcset=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Internet-min-1024x469.jpg 1024w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Internet-min-300x137.jpg 300w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Internet-min-768x352.jpg 768w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Internet-min-1536x704.jpg 1536w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Internet-min-2048x938.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/> <\/div>\r\n <p>WAN<\/p>\r\n <\/div>\r\n\r\n <div class=\"content-container\">\r\n <h3 class=\"slide-title\">Global Connectivity from a Single Source<\/h3>\r\n <div class=\"content-more-container\">\r\n <h3 class=\"slide-more\">Learn moreLearn more<\/h3>\r\n <\/div>\r\n <\/div>\r\n\r\n <\/a>\r\n <\/div>\r\n <div class=\"swiper-slide\">\r\n <a href=\"https:\/\/www.savecall.de\/en\/nis2-telecom-infrastructure\/\">\r\n\r\n <div class=\"image-container\">\r\n <div class=\"slide-image image\">\r\n <img decoding=\"async\" width=\"1024\" height=\"574\" src=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Security-min-1024x574.jpg?wsr\" class=\"attachment-large size-large wp-post-image\" alt=\"SAVECALL IT-Security mit Cyber Defense, SASE, Dedicated Cloud Access und Hosting f\u00fcr umfassenden Unternehmensschutz\" loading=\"lazy\" srcset=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Security-min-1024x574.jpg 1024w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Security-min-300x168.jpg 300w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Security-min-768x430.jpg 768w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Security-min-1536x861.jpg 1536w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Security-min-2048x1148.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/> <\/div>\r\n <p>Security<\/p>\r\n <\/div>\r\n\r\n <div class=\"content-container\">\r\n <h3 class=\"slide-title\">nis2-telecom-infrastructure<\/h3>\r\n <div class=\"content-more-container\">\r\n <h3 class=\"slide-more\">Learn moreLearn more<\/h3>\r\n <\/div>\r\n <\/div>\r\n\r\n <\/a>\r\n <\/div>\r\n <div class=\"swiper-slide\">\r\n <a href=\"https:\/\/www.savecall.de\/en\/managed-sd-wan-provider-germany\/\">\r\n\r\n <div class=\"image-container\">\r\n <div class=\"slide-image image\">\r\n <img decoding=\"async\" width=\"1024\" height=\"523\" src=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/1370X1-1024x523.jpg?wsr\" class=\"attachment-large size-large wp-post-image\" alt=\"WAN L\u00f6sungen f\u00fcr moderne Unternehmensnetzwerke\" loading=\"lazy\" srcset=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/1370X1-1024x523.jpg 1024w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/1370X1-300x153.jpg 300w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/1370X1-768x392.jpg 768w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/1370X1-1536x785.jpg 1536w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/1370X1-2048x1046.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/> <\/div>\r\n <p>WAN<\/p>\r\n <\/div>\r\n\r\n <div class=\"content-container\">\r\n <h3 class=\"slide-title\">managed-sd-wan-provider-germany<\/h3>\r\n <div class=\"content-more-container\">\r\n <h3 class=\"slide-more\">Learn moreLearn more<\/h3>\r\n <\/div>\r\n <\/div>\r\n\r\n <\/a>\r\n <\/div>\r\n <div class=\"swiper-slide\">\r\n <a href=\"https:\/\/www.savecall.de\/en\/sase-provider-comparison\/\">\r\n\r\n <div class=\"image-container\">\r\n <div class=\"slide-image image\">\r\n <img decoding=\"async\" width=\"1024\" height=\"469\" src=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Internet-min-1024x469.jpg?wsr\" class=\"attachment-large size-large wp-post-image\" alt=\"SAVECALL Business Internet mit Glasfaser, Standleitung, Richtfunk und SDSL f\u00fcr schnelle Unternehmenskonnektivit\u00e4t\" loading=\"lazy\" srcset=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Internet-min-1024x469.jpg 1024w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Internet-min-300x137.jpg 300w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Internet-min-768x352.jpg 768w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Internet-min-1536x704.jpg 1536w, https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Internet-min-2048x938.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/> <\/div>\r\n <p>Internet<\/p>\r\n <\/div>\r\n\r\n <div class=\"content-container\">\r\n <h3 class=\"slide-title\">sase-provider-comparison<\/h3>\r\n <div class=\"content-more-container\">\r\n <h3 class=\"slide-more\">Learn moreLearn more<\/h3>\r\n <\/div>\r\n <\/div>\r\n\r\n <\/a>\r\n <\/div>\r\n <div class=\"swiper-slide\">\r\n <a href=\"https:\/\/www.savecall.de\/en\/why-cloud-security-is-important\/\">\r\n\r\n <div class=\"image-container\">\r\n <div class=\"slide-image image\">\r\n <img decoding=\"async\" width=\"1024\" height=\"416\" src=\"https:\/\/www.savecall.de\/wp-content\/uploads\/2025\/09\/Cloud-Telefonie-min-1024x416.jpg?wsr\" class=\"attachment-large size-large wp-post-image\" alt=\"SAVECALL Cloud-Telefonanlage f\u00fcr flexible, skalierbare und standortunabh\u00e4ngige Unternehmenstelefonie\" loading=\"lazy\" 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AI, IoT and data-based applications require reliable connections – but many companies are struggling with bottlenecks, outages and security risks. […]<\/p>\n","protected":false},"author":1,"featured_media":14881,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[32],"tags":[],"class_list":["post-17282","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-internet-en"],"acf":[],"yoast_head":"\n<title>Network infrastructure compact | Basis for AI & IoT<\/title>\n<meta name=\"description\" content=\"Modern network infrastructure connects people, devices and data - it forms the basis for AI, IoT & secure digital communication.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.savecall.de\/en\/compact-knowledge-of-network-infrastructure\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Compact knowledge of network infrastructure\" \/>\n<meta property=\"og:description\" content=\"Modern network infrastructure connects people, devices and data - 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