SMOAD Networks

November 4, 2025

Edge NaaS and Microservices: Unlocking New Possibilities with SD-Branch

Modern enterprises operate in an increasingly complex and distributed environment. With multiple branches, remote offices, and cloud applications, managing network connectivity and security has become a major challenge. Traditional network architectures are often unable to keep pace with business demands, underscoring the importance of flexibility, scalability, and resilience.

Software Defined Branch (SD-Branch) offers a unified approach by combining SD-WAN, LAN, Wi-Fi, and security functions into one centralised platform. Within this framework, two technologies have emerged as essential enablers of next-generation networking — Edge Network-as-a-Service (NaaS) and Microservices. Together, they provide the scalability, agility, and intelligence required to modernise branch networks and deliver superior user experiences.

Understanding Edge NaaS

Edge NaaS is a cloud-based service delivery model that provides network functions such as connectivity, data processing, and security at the network’s edge rather than through centralised data centres. The “edge” refers to locations closer to the user or device, such as branch offices, remote work sites, or IoT endpoints.

By shifting networking services closer to where data is generated and consumed, organisations benefit from reduced latency, improved performance, and simplified management. Instead of investing heavily in on-premises hardware, businesses can subscribe to network services on demand, scaling capacity as required.

Key Features of Edge NaaS in SD-Branch

  • Delivers core network functions such as routing, firewall protection, and application acceleration near the edge for faster access and improved user experience.
  • Reduces latency by processing and analysing data locally, without relying on distant data centres.
  • Enables centralised management through cloud-native platforms, offering automation and quick scalability.
  • Lowers operational costs by reducing the dependency on physical hardware and on-site maintenance.

Edge NaaS introduces a flexible model where enterprises consume network services the way they consume cloud computing resources — easily, on demand, and at scale.

Understanding Microservices

Microservices architecture divides network functions into smaller, independent, and containerised services that can be developed, deployed, and scaled separately. Each microservice handles a specific function, such as routing, DNS, WAN optimisation, or security policy enforcement.

This modular approach ensures that changes or updates in one service do not affect the entire network. It also improves resilience, since any failure in a single service remains isolated and does not impact overall network performance.

Key Features of Microservices in SD-Branch

  • Critical services like firewall management, routing, and traffic optimisation operate as discrete microservices, allowing independent updates and scaling.
  • Microservices run in virtual or containerised environments at the edge, providing faster provisioning and low latency.
  • Centralised orchestration tools make it easy to add, update, or remove services across multiple branches without manual configuration.
  • Fault isolation, rapid feature deployment, and automated management improve service continuity and operational efficiency.
  • Integration with analytics tools enables intelligent network monitoring, threat prevention, and automated optimisation.

Microservices make SD-Branch environments more agile, ensuring the network can evolve in line with the changing demands of digital business.

Challenges in Implementing Edge NaaS and Microservices

While the advantages are significant, adopting these technologies comes with challenges that organisations must address:

  • Designing and managing microservices architecture is more complex compared to traditional monolithic applications.
  • Edge devices may be exposed to physical vulnerabilities, requiring robust endpoint security.
  • Integrating new technologies with existing systems can be difficult without the right expertise or planning.
  • Selecting compatible vendors and solutions is crucial to ensure smooth interoperability between Edge NaaS, SD-Branch, and cloud systems.

With the right partner and a well-planned strategy, these challenges can be mitigated effectively.

The Role of NaaS and Microservices in Modern SD-Branch

Network-as-a-Service provides flexibility through subscription-based models, reducing upfront investment in hardware and infrastructure. It simplifies scaling, allows faster deployment of new sites, and provides a consistent level of performance across all branches.

Microservices complement this by breaking network operations into smaller, manageable components that can be developed and deployed independently. This decentralised approach ensures faster rollout of updates and services, reducing downtime and improving innovation cycles.

Together, Edge NaaS and Microservices enable a distributed yet unified network infrastructure that adapts easily to changing business demands.

Advantages of Combining Edge NaaS and Microservices in SD-Branch

The synergy between Edge NaaS and Microservices provides numerous benefits for enterprises:

  • Faster processing: By bringing data handling to the edge, latency is reduced and response times improve.
  • Independent scalability: Each microservice can be scaled separately depending on workload, improving resource utilisation.
  • Simplified management: Cloud-based management through NaaS allows IT teams to focus on core business priorities rather than infrastructure maintenance.
  • Improved security: Integrated edge security features, combined with private traffic routing and segmentation, protect the network from external and internal threats.
  • Cost efficiency: Subscription-based models eliminate heavy capital expenditure while providing flexibility to expand or contract as needed.
  • Operational resilience: Fault isolation ensures that a failure in one service does not impact others, maintaining uninterrupted connectivity.
  • Adaptability: The modular nature of microservices allows enterprises to experiment with new technologies and innovations without risking system-wide disruptions.

SMOAD SD-Branch: Powering Edge Intelligence

SMOAD SD-Branch leverages Edge NaaS and Microservices to create a highly scalable and intelligent network infrastructure. By deploying network services closer to the branch edge, SMOAD improves application performance, optimises bandwidth, and strengthens security.

Key highlights of SMOAD’s approach include:

  • Edge NaaS capabilities: Delivers WAN, LAN, and security functions through a cloud-managed platform for improved agility and reduced cost of ownership.
  • Microservices framework: Modular design enables independent deployment of services, reducing downtime and simplifying updates.
  • Centralised orchestration: Provides unified visibility and control across distributed locations.
  • Enhanced performance: Low latency and high-speed connectivity ensure a seamless experience for users across branches.
  • Scalability: Businesses can expand operations quickly without major infrastructure changes.

SMOAD SD-Branch transforms branch networking into an agile, secure, and future-ready ecosystem. By combining the flexibility of Edge NaaS with the modular efficiency of Microservices, it empowers organisations to deliver consistent, high-quality performance across all locations.

For more information or to experience SMOAD’s Edge NaaS and Microservices in action, contact us to schedule a demo.