Cisco has announced that its hardened version of the open-source network operating system SONiC (Software for Open Networking in the Cloud) will now be available to all customers, including those using its Nexus 9000 series switches. Previously, the software was largely reserved for hyperscale cloud providers. The move signals a significant shift in how enterprise networking is delivered in the UK and beyond.
SONiC is an open-source network operating system originally developed by Microsoft and contributed to the Open Compute Project. It allows network operators to disaggregate hardware from software, meaning they can choose switches from different manufacturers while running the same operating system. Cisco's version includes additional hardening for security and stability, making it suitable for production environments outside the largest data centres.
For UK businesses, the implications are substantial. Smaller and mid-sized enterprises that could not previously justify the cost or complexity of SONiC can now access a platform that offers greater flexibility and faster innovation cycles. This reduces reliance on proprietary software stacks and allows IT teams to automate more network tasks. According to industry experts, this could lead to lower operational costs and more resilient digital infrastructure.
From a regulatory perspective, the move aligns with the UK's push for more open and interoperable telecoms and networking equipment, as seen in the government's Diversification Strategy. The Information Commissioner's Office (ICO) has not issued specific guidance on SONiC, but the principle of disaggregation supports data portability and reduces single-vendor dependencies. Meanwhile, the EU AI Act may influence how AI-driven network management tools evolve, though SONiC itself is not directly affected.
Analysts caution that while the opening of SONiC to a wider audience is positive, UK organisations must ensure they have the in-house skills to manage an open-source network operating system. Dr Eleanor Cross, a networking analyst at the London School of Digital Infrastructure, said: 'The opportunity is real, but so is the risk of misconfiguration. UK firms should invest in training or partner with managed service providers to fully capitalise on this shift.'
Looking ahead, Cisco's decision could accelerate the adoption of open networking across the UK economy, particularly in sectors like finance, logistics, and public sector IT. If successful, it may prompt other major vendors to follow suit, further democratising access to high-performance networking tools.
Source: Cisco