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Adoption of new(er) software-defined and virtualization technologies is accelerating the transition away from legacy networks and toward more modern infrastructures that are better suited to today's traffic patterns and user expectations.
FREMONT, CA: Enterprises are increasingly abandoning older networking technologies such as LANs, WANs, and TCP/IP-based network architectures. These new networking technologies endow network administrators with enormous power. SDN and related technologies such as SD-WAN, SASE, and others enable secure network control by programming the routing packets according to requirements without modifying the network hardware. Enterprises that leverage these technologies realize business benefits in addition to capital expenditure (CapEx) savings associated with global business network connectivity.
Enterprise CIOs are seeking the benefits that network advancements will bring. They aspire to be future-proof to manage massive amounts of digital data.
However, leaders must comprehend the precise conclusion to transition away from legacy networks, resulting in central control of networks while saving money.
Let's look at some of the primary drivers driving network modernization.
Simplification: In today's world, end devices and consumers need agile service delivery and speedy data transaction from the server. To address this, enterprise networks must be simplified in routing data to specific users with the appropriate policies in place and ensuring that the diverse group of end-users get the data or network services they require promptly. SDN and Network Functions Virtualization (NFV) provides network infrastructure control by replacing most network components and achieving a high level of zero-touch automation and provisioning. With new software-based and software-driven technologies at its disposal, it displaces legacy networks capable of routing traffic depending on congestion patterns at some point along with the network. Enterprises can also minimize CapEx and power usage in the network by implementing such technology. Companies have end-to-end insight into their network, enabling them to manage network capacity more effectively and uncover network problems that can also be addressed remotely.
Cloud-ready: Most businesses are embracing cloud computing as part of their digital transformation efforts. Traditional networks are incapable of providing the agility demanded by cloud services. The services are configured either internally or via a public cloud subscription. A new hybrid and multi-cloud architecture are also making its way into company infrastructure to use the benefits of different clouds and optimize the cost of business services. It is past time for business CIOs to consider how the network fits into the cloud equation, allowing cloud apps to function on the network and be delivered to end-users with the highest possible speed. Numerous 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 become operational. Additionally, manual efforts were required in network failures and device upgrades to improve performance. Modern networks comprise software-based components, such as virtual network functions (VNFs), and are programmed to run autonomously via open-source technology (OpenDaylight, ONOS, Tungsten Fabric, OPNFV, and more). It is now possible to diagnose and upgrade a network using a single pane of glass, as most of the network is software-driven and composed of software components connected via APIs.