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Network Infrastructure Magazine | Monday, July 25, 2022
Adopting new(er) software-defined and virtualization technologies are accelerating the transition from legacy networks to more modern infrastructures better fitted to today's traffic patterns and user outlooks.
FREMONT, CA: Enterprises are gradually abandoning older networking technologies, for example, LANs, WANs, and TCP/IP-based network architectures. These new networking technologies invest network administrators with colossal power. SDN and related technologies similar to SD-WAN, SASE, and others allow secure network control by programming the routing packets based on requirements without modifying the network hardware. Enterprises that leverage these technologies realize business gains on top of capital expenditure (CapEx) savings united with global business network connectivity.
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Enterprise CIOs are searching for the benefits that network advancements will bring. In addition, they aspire to be future-proof to manage vast amounts of digital data.
Still, leaders must comprehend the precise conclusion to transition from legacy networks, following in central command of networks while saving money.
Let's look at some of the main drivers driving network modernization.
Simplification: At present, end devices and consumers require agile service delivery and speedy data transaction from the server. To tackle this, enterprise networks must be clarified in routing data to specific users with the appropriate policies and ensuring that the diverse group of end-users promptly get the data or network services they require. SDN and Network Functions Virtualization (NFV) gives network infrastructure control by substituting most network components and fulfilling a high level of zero-touch automation and provisioning.
With new software-founded and software-driven technologies at its disposal, it removes legacy networks capable of routing traffic depending on congestion patterns along with the network. By implementing such technology, enterprises can also reduce CapEx and power usage in the network. Companies have an end-to-end understanding of their network, enabling them to manage network capacity more effectively and uncover network issues that can also be addressed remotely.
Cloud-ready: Most businesses embrace cloud computing as part of their digital transformation efforts. Traditional networks are incapable of offering the agility demanded by cloud services.
The services are designed either internally or through a public cloud subscription. A modern hybrid and multi-cloud architecture are also making their way into company infrastructure to utilize the benefits of different clouds and improve the cost of business services. It is old days for business CIOs to consider how the network suits the cloud equation, enabling cloud apps to function on the network and be delivered to end-users with the most significant possible speed.
Several new technologies have evolved that provide network visibility when organizations use hybrid and multi-cloud architectures, allowing them to manage cloud applications that reside in multiple clouds easily.
Cost reduction: The legacy network was built on proprietary hardware to conduct specific functions requiring manual configuration to turn operational. Also, manual efforts were needed in network failures and device upgrades to improve performance. Modern networks comprise software-founded components, such as virtual network functions (VNFs), and are programmed to run autonomously through open-source technology (OpenDaylight, ONOS, Tungsten Fabric, OPNFV, and more). It is now likely to diagnose and glorify a network using a single pane of glass, as most networks are software-driven and composed of software components connected via APIs.
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