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Transitioning from Traditional NOS to SONiC in Networking Solutions

Source Decision Insights Coverage Published November 20, 2025 Companies 7
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7 companies named across 12 categories, one of 152 articles referencing Sonic. Previous coverage: Aviz Networks Utilizes SONiC and BGP for Data Center Optimization (Nov 2025).

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The recent blog post discusses the transition within the Software Defined Networking (SDN) landscape, highlighting challenges faced by traditional Network Operating System (OS) (NOS) vendors and the emergence of SONiC as a viable alternative for enterprises.

Vendor Challenges

Established NOS vendors experienced difficulties in fulfilling the complete vision of open networking. The majority implemented partial disaggregation using proprietary software stacks, which resulted in vendor lock-in for customers. This approach, combined with acquisitions and lack of sustainable strategies, ultimately led many vendors to exit the market, leaving their customers in search of new options.

SONiC as a Solution

SONiC is an open-source NOS initially developed by Microsoft and is currently maintained by the Linux Foundation and OCP. Unlike traditional vendors, SONiC facilitates true disaggregation and vendor neutrality, ensuring ongoing evolution and reliability without the risk of acquisition or end-of-life concerns.

Its adoption by major organizations such as Azure, Google, and Meta illustrates its effectiveness. Furthermore, major vendors like Cisco also support SONiC, contributing to its robustness while maintaining high availability, scalability, and security without vendor lock-in.

Market Transition

With the discontinuation of legacy NOS platforms and ongoing market changes, it is an optimal time for enterprises to transition to SONiC. Benefits include lower Total Cost of Ownership (TCO), increased vendor flexibility, and a strong support ecosystem, particularly in conjunction with solutions from Aviz Networks.

Historically, early SDN companies struggled with partial disaggregation and proprietary hardware locks, leading to their decline and leaving customers with limited options.

Integration with Modern Practices

SONiC supports modern DevOps methodologies through standardized APIs and a modular architecture, which promotes the implementation of Infrastructure-as-Code (IaC) principles and enables a seamless deployment process.

Additionally, its flexible architecture and extensive support for Application-Specific Integrated Circuits (ASICs) make SONiC an appropriate choice for various environments, including edge sites and retail branches, ensuring operational reliability when paired with ONES 2.0 for observability, automation, and compliance.

Support and Onboarding

Aviz Networks offers vendor-neutral support, onboarding tools, and deep observability to streamline the migration to a sophisticated open networking environment that is AI-ready.

Conclusion

This discussion reflects the ongoing evolution within SDN and emphasizes the growing importance of open-source solutions like SONiC. This summary demonstrates the relevance of adapting to current market conditions and the strategic advantages of embracing such technologies.

Blog post, originally published by Neal Trieber at Aviz Networks.

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