How Nokia’s 7220 IXR Enables Cloud-Scale Efficiency
In the world of data center operations, the pursuit of perfection is relentless. The demand for higher port speeds, greater density, and seamless scalability has become the new standard, driven by the exponential growth of cloud services and high-bandwidth applications. For technology leaders, this means navigating a complex landscape where operational simplicity, power efficiency, and future-ready architecture are not just goals, but necessities. The challenge lies in building a data center fabric that is not only powerful and resilient but also agile enough to adapt to whatever comes next.
To meet this challenge, organizations need a solution designed for the modern cloud era. The Nokia 7220 Interconnect Router (IXR), a core component of its Data Center Fabric solution, was purpose-built for this environment. It offers a new level of scale, flexibility, and operational simplicity, empowering you to build a network foundation that is both robust today and ready for the demands of tomorrow.
What is the Nokia 7220 IXR?
The Nokia 7220 Interconnect Router (IXR) is a powerful family of high-capacity data center interconnect routers, purpose-built for the leaf and spine layers of modern data center fabrics. These fixed-configuration, high-density platforms are engineered to deliver unparalleled scale, flexibility, and operational simplicity across webscale, service provider, and enterprise data center environments. They provide high-performance connectivity for servers, storage, and intra-fabric uplinks, ensuring a resilient and agile network foundation.
Designed to evolve network aggregation and interconnectivity, the 7220 IXR series offers a modern, power-efficient hardware solution perfectly suited for Clos architectures and leaf-spine deployments. This critical architecture ensures predictable latency and seamless scaling, vital for today’s dynamic cloud environments.
- Leaf-Spine Architecture: A two-tier network topology that provides predictable latency and easy scaling for data centers.
The 7220 IXR-D series, for example, includes a range of models designed to meet diverse operational needs, offering high-density ports supporting 400GE, 200GE, 100GE, 50GE, 40GE, and 10GE connectivity.
A key element of this platform’s power is its native integration with the Nokia Service Router Linux (SR Linux). This open, model-driven network operating system (NOS) provides the advanced software foundation necessary to build and manage a truly agile, automated, and resilient data center fabric, offering robust IP routing, Layer 2 switching, and QoS capabilities that are open and extensible for future innovation.
The entire 7220 IXR-D series – in addition to its Nokia Data Center counterpart, the 7250 series – implements the Nokia Service Router Linux (SR Linux) network operating system (NOS).
SR Linux (SR-L): Nokia’s open, model-driven network operating system built for data center fabrics.
Features and Benefits of the Nokia 7220 IXR
The 7220 IXR integrates high-scale interconnectivity with an open, extensible, and resilient NOS and an operations toolkit, allowing automation throughout every phase of data center fabric operations.
High-Capacity Fixed-Configuration Platforms
The 7220 IXR delivers high-performance, high-density, fixed-configuration platforms specifically designed for data center leaf-spine deployments. These platforms provide:
- Multiple chassis variants with system capacities up to 6.4 Tb/s
- Support for port speeds including 400GE, 100GE, 50GE, 40GE, 25GE, 10GE, or 1GE
- Hot-swappable and redundant power supplies
- Hot-swappable and redundant fans
Modern, Open NOS
The 7220 IXR runs SR Linux NOS, featuring a unique, ground-up architecture centered on model-driven management and modern interfaces. With SR Linux, you can:
- Bring simplified operations, integrations, ultimate visibility, and unmatched flexibility to your data centers
- Evolve your data center networks with enhanced IP routing features like MP-BGP, EVPN, and VXLAN
- Provide NetOps teams and application developers with the confidence to fine-tune and customize data center platforms and NOS to meet their specific needs.
Intent-Based Automation and Operations
The 7220 IXR enables the Fabric Services System toolkit, supporting automation at scale across all phases of data center fabric operations, including Day 0 design, Day 1 deployment, and Day 2+ operations. With the Fabric Services System, you can:
- Expedite the onboarding of application workloads by automating fabric designs and configurations, including EVPN.
- Manage change risks by utilizing the Fabric Services System digital sandbox tool to emulate data center fabrics, application workloads, and an external Border Gateway Protocol (BGP) speaker.
- Fabric Services System (FSS): Nokia’s intent-based automation toolkit that designs, deploys, and validates data center fabrics.
- Intent-Based Automation: A network approach where the desired outcome (“intent”) drives automated configuration and validation.
- EVPN/VXLAN: Overlay protocols enabling scalable Layer 2/Layer 3 connectivity in multi-tenant data centers.
What Is Nokia Fabric Services?
The Nokia Fabric Services System is an advanced, declarative, intent-based automation and operations toolkit designed to facilitate agile, scalable network operations in data center and cloud environments. With a focus on simplifying all aspects of data center fabric operations, including Day 0 design, Day 1 deployment, and ongoing Day 2+ activities, this system employs intent-based approaches to ensure efficiency and flexibility.
Some of the key features and capabilities include:
Intent-Based Automation Across Phases
The Fabric Services System adopts intent-based methodologies throughout the lifecycle of the data center fabric. This includes Day 0 design, Day 1 deployment, and ongoing Day 2+ configuration, operation, measurement, and analysis. Intent-based approaches enhance agility and streamline network operations.
Kubernetes Framework Integration
Leveraging the Kubernetes framework, the system benefits from an established open platform, avoiding the need to reinvent essential platform components. This integration ensures scalability and aligns with cloud-native principles.
Distributed Microservices Architecture
The system employs a distributed microservices approach for all fabric services, providing a cloud-native automation and operations platform. This architecture enhances scalability, flexibility, and adaptability to changing operational needs.
Digital Sandbox
The Fabric Services System introduces a cloud-native Digital Sandbox that provides a genuine emulation of a single data center router as an SR Linux container instance. This sandbox also emulates a fabric of multiple SR Linux container instances, serving as an operational tool that can simulate a data center fabric, application workloads, and external BGP speakers.
Intent-Based Design and Validation
Operators can represent the design and configuration of the data center fabric in an intent-based, declarative manner. This approach aligns with NetOps principles by leveraging DevOps and infrastructure-as-code (IaC) practices. Intent validation in the Digital Sandbox enables confident, rapid risk management of changes before applying them to the production network.
Flexible Fabric Integrations
The Fabric Services System offers a flexible, cloud-native approach for external integrations. This enables faster, customized integration with compute virtualization, storage solutions, in-house operational tools, and various cloud environments. The cloud-native integration model supports loosely coupled development within a standard Kubernetes framework.
What Is The Nokia Service Router Linux?
The Nokia 7220 IXR-D series is one implementation of Nokia Service Router Linux (Nokia SR Linux), which, as its name suggests, is a Linux-based, open, extensible, and resilient NOS. Engineered to enhance scalability, flexibility, and efficiency, SR Linux is well-suited for data center and cloud environments.
Some of the features and benefits of Nokia SR Linux include:
Ground-Up, Model-Driven Architecture
SR Linux is designed with a ground-up, model-driven architecture to address the challenges of scalability and operational ease in cloud-scale data center networks. This architecture prioritizes visibility, scalability, and granularity.
Extensibility and Open Infrastructure
The NOS provides an extensible, open infrastructure that allows applications to define and declare their own schemas. This enables the retrieval of fine-grained system state and the setting of configurations.
Modular, State-Sharing Architecture
Utilizing an unmodified Linux kernel, SR Linux employs a publish/subscribe architecture for applications to share state. The Nokia architecture relies on the Generalized Remote Procedure Call (gRPC) protocol, protocol buffers, and the Nokia Impart Database (IDB), a lightweight database optimized for high message volume.
Field-Proven Protocol Stacks
SR Linux leverages field-proven protocol stacks from the Nokia Service Router Operating System (SR OS), renowned for its strong IP routing pedigree. This includes support for Multiprotocol Border Gateway Protocol (MP-BGP), EVPN, Virtual Extensible LAN (VXLAN), MPLS, and segment routing protocols.
Superior CLI Programmability and Third-Party Integration
Operations teams benefit from superior Command Line Interface (CLI) programmability, enabling customization through CLI plugins. SR Linux supports seamless integration with third-party applications, providing consistent configuration via YANG, telemetry support, lifecycle management, and visibility into system resources.
NetOps Development Kit (NDK)
SR Linux offers a NetOps Development Kit (NDK) to data center teams. This kit facilitates the development of new applications and operational tools in the language of choice, providing deep programmatic access and control over the entire system.
Building the Future of Data Centers, Together
At MCA, we recognize that groundbreaking technology like the Nokia 7220 IXR reaches its full potential when paired with deep integration expertise and an unwavering commitment to partnership. Our purpose is to stand with our customers, translating powerful capabilities into tangible outcomes. We bring a team of dedicated experts who understand the mission-critical nature of your operations and specialize in making complex voice, data, and security systems work together in perfect harmony.
Choosing MCA means choosing a partner dedicated to your success. We collaborate with your team to design and deploy solutions that not only meet your technical requirements but also align with your long-term strategic vision. By uniting Nokia’s innovation with MCA’s proven integration know-how, we ensure your data center fabric operates with the reliability, efficiency, and scalability required to drive your business forward. Together, we can build an infrastructure that is truly prepared for the future.
Nationwide Design & Deployment Support
MCA’s Network Infrastructure team delivers design, configuration, and lifecycle support for Nokia 7220 IXR solutions across more than 100 U.S. Solution Centers. We help service providers, utilities, and enterprises deploy high-performance data center fabrics with localized expertise and responsive support.
Frequently Asked Questions about Nokia 7220 IXR
A high-performance, fixed-configuration router for leaf-spine data center fabrics, combining SR Linux NOS and automation for scalability and efficiency.
The IXR-D1, D2L, D3L, D4, and D5 models support port speeds from 1 to 400 GE and system capacities up to 6.4 Tb/s.
SR Linux’s model-driven, open architecture simplifies management and enables NetOps teams to automate workflows and integrate third-party tools easily.
It provides intent-based design, deployment, and Day-2 operations automation, plus a digital sandbox for safe change testing before production.
MCA offers end-to-end consulting, design, installation, and support to integrate Nokia data center fabrics into existing networks seamlessly.
About MCA
We believe every workplace should be safe, secure, and efficient. As trusted advisors, we deliver integrated communication, connectivity, and security solutions with a Service First mindset – driven by a team that cares deeply about our customers and each other.
Why MCA? At MCA, we help solve critical communication, connectivity, and security challenges with turnkey, integrated system solutions – from two-way radios and in-building wireless to video surveillance, access control, and more. MCA is built from over 50 companies with deep technical expertise and strong local roots. And we’re still growing – expanding our capabilities, our reach, and our team.
Our 100+ Solution Centers bring together sales, installation, service, and customer operations teams to deliver seamless, nationwide support. Guided by our Service First value, we don’t just connect the wires and walk away – we provide customized solutions backed by deep expertise and lifecycle support.
