2-node smartEdge solution for distributed edge

15th December 2021
Beatrice O'Flaherty

Nebulon, pioneer of smartInfrastructure, server-embedded infrastructure software delivered as a service, announced the availability of a 2-node Nebulon smartEdge solution for distributed edge deployments.

The 2-node solution reduces infrastructure costs by 33% and also provides enterprises a smaller entry point into smartInfrastructure for test and development deployments or other projects that may start small and grow later.

“By 2025 more than 50% of enterprise-managed data will be created and processed outside the data centre or cloud,” according to Gartner.

Telcos with 5G towers, retailers, warehouses, medical clinics and cloud service providers with edge services are driving this trend, but challenges with traditional 3-tier architectures and hyperconverged infrastructure (HCI) limit enterprises from fully meeting their edge data centre requirements. One such challenge is the limited real estate available for infrastructure at the edge, which often has space for no more than two servers.

Most HCI solutions require a minimum of three nodes and a network switch. There are HCI vendors that advertise a 2-node solution, but they require the customer to purchase a network switch, set up a quorum witness (QW) on another customer-provided server or instance in the cloud, then maintain it on an ongoing basis. And because HCI overheads consume 25% of server resources for data services, customers are often forced to purchase more servers and software licenses than necessary, a massive cost for large edge deployments.

The Nebulon smartEdge solution with 2-node cluster configuration support eliminates the need for the customer to set up and maintain a third server quorum witness. Instead, Nebulon manages a single quorum witness for all edge deployment sites in the Nebulon cloud, Nebulon ON. By providing the quorum witness as a service in Nebulon ON, administrative tasks related to hosting and maintaining the quorum witness are eliminated. Eliminating the third node while still providing a highly available configuration also equates to significant cost savings, as one-third fewer server and software licenses are needed across hundreds or even thousands of edge locations. Nebulon also announced support for switchless clusters for 2-node deployments, resulting in additional density and cost savings.

“The cloud is expanding. No longer is it a set of remote services running only in a public cloud data centre. The cloud is extending on-premises to both enterprise and edge data centres,” said David Vellante, Chief Analyst at Wikibon. “Nebulon’s 2-server edge solution leverages public cloud infrastructure combined with the company’s innovative API-centric management and automation, making it an ideal solution for organisations that want a modern, cloud-simple experience for edge data centres.”

The Nebulon 2-node solution is not only ideal for distributed edge deployments, but it also provides a lower entry point for new cost-constrained ones. The solution is an affordable high-availability alternative for enterprises looking to stretch the cluster across two racks for protection against partner node, power and top-of-rack (ToR) switch failures. 

“2-node cluster support is a requisite piece in Nebulon’s evolution toward developing the ultimate cloud-managed, on-premises infrastructure solution, ideal for both edge deployments and also data centre projects, whether they be small or large,” said Siamak Nazari, CEO at Nebulon. “We are excited to be able to offer this solution to our customers who are looking for cost-effective solutions that are recognised for driving innovation at the edge.”

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