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May 28, 2025
Flex-Algo In OcNOS: Optimizing Network Paths Using TE-Metric
In today’s digital world, network traffic is like city traffic i.e. some roads are faster, some are more reliable, and some should be avoided during peak hours. Just like how a GPS chooses the best route based on distance, time, or road conditions, networks also need to choose the best path for data to travel. […]
April 29, 2025
Building A Budget OcNOS Lab With ContainerLab
Introduction As someone experimenting with open networking, I wanted a low-cost way to get hands-on with IP Infusion’s OcNOS — without a rack of hardware. My goal was simple: get OcNOS running with ContainerLab in a home setup that anyone could replicate, ideally for under $400. This blog documents the hardware and software choices I […]
April 1, 2025
Flex-Algo In OcNOS: Fundamentals Of Customized Path Selection
In traditional IGP-based routing, shortest path selection is dictated by link metrics, often leading to suboptimal path choices in certain network scenarios. Segment Routing Flexible Algorithm (Flex-Algo) enables network operators to define customized routing policies based on application needs, optimizing traffic flow while leveraging the scalability of Segment Routing (SR). This blog delves into the […]
February 12, 2025
OcNOS CP: Introducing New Market Features From The Market Leader In Networking Software
OcNOS CP, formerly known as ZebOS, is responsible for creating the networking software market as we know it today IP Infusion has updated its OcNOS CP (Control Plane) product, a networking software source code offering. Previously known as ZebOS, OcNOS CP helps networking companies create better products, faster. OcNOS CP is a complete plug-and-play development […]
February 4, 2025
Multi-Domain: ISIS-SR With BGP-LU Underlay And EVPN-Based L2VPN And L3VPN Overlay
As network demands continue to grow in scale and complexity, the need for efficient, scalable, and flexible VPN solutions becomes paramount. Ethernet VPN (EVPN) combined with Segment Routing (SR) over Intermediate System to Intermediate System (IS-IS) in a multi-domain environment, with the addition of BGP Label Unicast (BGP-LU), offers a sophisticated solution for Layer 2 […]
January 28, 2025
EVPN-L3VPN Over ISIS-SR And TI-LFA
EVPN L3VPN leverages the BGP control plane to provide Layer 3 connectivity between different sites over the network infrastructure. It enables IP routing between customer sites, allowing for the seamless exchange of IP packets across a service provider’s network. This approach combines the benefits of traditional MPLS Layer 3 VPNs with the advanced features of […]
December 5, 2024
Performance Measurement for Service Providers
Part 1: Two-Way Active Measurement Protocol (TWAMP) In this series of blogs, we delve into the details of performance measurement and network assurance for service providers. In the first part we shall explore the TWAMP solution. In the fast-paced world of telecommunications, service providers are the backbone of connectivity, enabling businesses and individuals to stay […]
November 7, 2024
IP Infusion’s OcNOS For Your 400G Data Center Upgrade
Demand for higher bandwidth driven by data-heavy applications and increased backhaul traffic volumes for 5G and edge computing necessitates high-performance networking software.
November 6, 2024
EVPN-ETREE: Single-Homed and Multi-Homed Solutions with ISIS-SR and TI-LFA
EVPN E-TREE is an Ethernet service designed to provide point-to-multipoint connectivity while maintaining strict traffic separation and control. Unlike traditional Ethernet services that allow all-to-all communication, EVPN E-TREE enables selective communication among endpoints, making it ideal for applications that require a tree-like architecture.
September 20, 2024
EVPN-ELAN: Single-Homed and Multi-Homed Solutions with ISIS-SR and TI-LFA
Ethernet VPN (EVPN) is a modern and scalable technology designed to address the limitations of traditional Layer 2 VPNs, such as VPLS (Virtual Private LAN Service). EVPN ELAN (Ethernet LAN) is one of the service models provided by EVPN that allows multiple sites to connect as if they were on the same LAN, providing multipoint […]