技術ブログ
エンジニアリングからの示唆、アーキテクチャの詳細解説、オープンネットワーキングの最新動向 — SR‑MPLS、EVPN、AIファブリック、IPoDWDMなど多岐にわたります。
The NIS2 24-Hour Clock Is a Telemetry Problem: An Executive Brief
A short, executive-level take on Europe's NIS2 24-hour clock and the one technical prerequisite the directive makes load-bearing: streaming telemetry on a supply chain a regulator can audit.
Europe's NIS2 Clock Is Already Ticking: Why Your Five-Minute SNMP Poll Won't Make the 24-Hour Deadline
Europe's NIS2 directive starts a 24-hour reporting clock on incident awareness. Polled SNMP burns that budget before your NOC ever sees the event. Why a streaming telemetry plane, not another dashboard, decides who survives the directive.
Your Virtual Lab, Upgraded: Meet the OcNOS 7.0.0 Demo VM
Discover the upgraded OcNOS 7.0.0 Demo VM, featuring seamless VxLAN Software Forwarding and other new capabilities. Network operators, developers, and students can validate software-defined fabrics in a lightweight virtual environment without the need for specialized hardware.
OcNOS CP 7.0 General Availability: SR-MPLS and EVPN-VXLAN Bundles for Modern Networks
OcNOS CP 7.0が一般提供開始。サービスプロバイダー近代化向けSR-MPLSと、データセンターfabric向けEVPN-VXLANという2つの専用バンドルを新たに搭載。. Enhanced security, on-change telemetry, and event-driven automation complete the release.
OcNOS CP 7.0: The Proven Control Plane Foundation for Next-Generation Networking Products
OcNOS CP 7.0が一般提供開始。25年以上のZebOS実績に基づく、実運用対応のネットワーク制御プレーンソースコードプラットフォーム。 accelerates time-to-market by 12-18 months for OEMs, ODMs, and networking product builders.
Evolving from Legacy P-OTN to SR-MPLS Based IPoDWDM Networks with OcNOS
第 2 世代 OTN ベースのレガシー Packet-Optical Transport Network (P-OTN) はサポート終了を迎えつつあります。本マイグレーションガイドが移行方針を解説。 providers can transition to SR-MPLS based IPoDWDM architecture with OcNOS — replacing legacy OTN circuits with scalable packet-switched transport while converging IP and optical management.
OcNOS 7.0: What's New — Open Networking for AI, Transport, and Cloud
OcNOS 7.0が一般提供開始。サービスプロバイダー向けトランスポート、AI/MLデータセンターfabric、IPoDWDM統合、ブロードバンド向けに80以上の新機能を搭載。 access aggregation — all on open, disaggregated hardware.
OcNOS 7.0 for Service Providers: SR-TE, Flex-Algo, RPKI, and Container Edge
OcNOS 7.0 for Service Providersは、完全なネットワーク近代化プラットフォームを提供。SR-TEがレガシーOTNを置き換え、Flex-Algoでネットワークスライシングを実現し、RPKIに対応。 secures the peering edge, and on-change gNMI telemetry eliminates polling — on open, disaggregated hardware.
OcNOS 7.0 for Data Centers: AI Fabric, 800G Platforms, and EVPN-VXLAN at Scale
OcNOS 7.0 for Data Centersは、Broadcom Tomahawk 5上で800Gスイッチング、ロスレスRoCEv2トランスポート、EVPN-VXLANマルチサイトを伴うAI/ML fabricサポートを導入。 overlay extension, and on-change gNMI telemetry — all on open, disaggregated hardware.
IPoDWDM Simplified: Managing 100G and 400G Coherent Optics Directly from OcNOS
従来のDWDMはトランスポンダと波長管理に専用の光NMSが必須でしたが、IPoDWDMはコヒーレント光を統合し運用を一本化します。 management directly into OcNOS — operators configure optical parameters alongside IP routing in a single CLI. This guide explains the architecture and configuration of IPoDWDM on OcNOS.
Stop Polling, Start Streaming: Why SNMP is Failing Modern Networks and How gNMI Fixes It
SNMPは30年にわたりネットワーク監視の標準でした。しかしAIデータセンターや高速SPネットワークでは、ポーリング型の可視化は fundamental lag that makes real-time operational decisions impossible. This guide explains why gNMI streaming telemetry replaces SNMP, and how to configure on-change subscriptions in OcNOS.
OcNOS Demo VM – 6.6.1 New Release
OcNOS 6.6.1で追加された機能を取り込んだOcNOS Demo VMの新版を公開。継続的な機能拡張をご紹介します。 commitment to empower Network Disaggregation, the OcNOS 6.6.1 release has introduced a host of new features on its several supported hardware platforms. Read more about what it offers for Service Providers<a class="more-link" href="https://www.ipinfusion.com/blog/ocnos-demo-vm-6-6-1-new-release/">Continue reading <span class="screen-reader-text">"OcNOS Demo VM – 6.6.1 New Release"</span></a>
RSVP Auto Bypass on OcNOS: Automating MPLS Resiliency at Scale
従来の MPLS ネットワークでは、あらゆる障害シナリオに対する RSVP-TE バックアップトンネルの構成に多大な手作業が必要で、ミスも起こりやすいのが実情。. RSVP Auto Bypass automates this process — OcNOS dynamically creates and maintains bypass tunnels for all protected LSPs, eliminating manual tunnel engineering while preserving sub-50ms failover.
The AI Network Decision Framework: Optimizing GPU Fabric for Speed, ROI, and Strategic Freedom
最適化されていない AI データセンターネットワークは、学習ワークロード時の GPU 利用率を最大 50% 低下させる可能性。本フレームワークは企業による AI fabric 設計を支援 infrastructure that maximizes job completion time, minimizes cost, and avoids proprietary lock-in — with OcNOS as the open networking foundation.
Try IP Maestro Before You Deploy: The IP Maestro Demo VM is Now Available
IP Maestro Demo VMにより、本格導入前に自社環境でOcNOS Element Management Systemを評価可能。無償で提供。 download, the Demo VM includes the complete IP Maestro application stack with pre-configured sample topologies — ideal for trials, training, and proof-of-concept evaluations.
IP Maestro 3.1 Generally Available: Third-Party Device Mapping and Enhanced Automation
IP Maestro 3.1 is now generally available. The headline feature is third-party device mapping — non-OcNOS devices can now be added to the IP Maestro topology view, giving operators a unified network map across their entire brownfield environment. This release also delivers greater automation breadth and improved multi-site visibility.
Simplifying OcNOS Configuration Backups with Ansible
コンフィグの自動バックアップはネットワーク運用の基本要件。本ガイドでは Ansible を用いた OcNOS コンフィグの定期取得方法を解説 backups via SSH, store them in a Git repository for version history, and alert on configuration drift — all without dedicated backup software.
OcNOS in ContainerLab Part 2: Platform Analysis for Linux, Windows, and macOS
OcNOS ContainerLabトポロジを非Linuxプラットフォームで動作させるには、ネストされた仮想化の制約を理解する必要があります。実機検証に基づくガイドです。 results for native Linux (bare metal and VM), Windows with WSL2, macOS with Colima, and hybrid setups — including what works, what does not, and the best configuration for each environment.
Flex-Algo in OcNOS: Optimizing Network Paths Using Link Delay
Flex-Algo with link delay metric builds a routing topology where path selection minimizes actual measured latency — not IGP hop count or administrative cost. This is essential for 5G fronthaul, real-time gaming, and financial trading applications where sub-millisecond path selection matters. This guide covers delay measurement with TWAMP, IS-IS delay advertisement, and Flex-Algo 128 configuration in OcNOS.
OcNOS 6.6.1 Available Now: Full AI Fabric on Tomahawk 5, SR Enhancements, and EVPN Expansion
OcNOS 6.6.1は、6.6で始まったAI fabricを完成。Broadcom Tomahawk 5ベースのプラットフォーム上で、PFC／ETS／DCBX／ECNを伴うロスレスRoCEv2を完全サポート。 for large-scale GPU interconnects. This release also expands Segment Routing capabilities and EVPN service coverage across the platform portfolio.
Flex-Algo in OcNOS: Optimizing Network Paths Using TE-Metric
Flex-Algo with TE-metric allows operators to define a separate routing topology where path selection is based on Traffic Engineering metrics — independent of IGP link costs. This enables high-bandwidth traffic to follow capacity-optimized paths while latency-sensitive traffic continues on shortest-path IGP routes.
Performance Measurement in OcNOS: Y.1731 OAM and Y.1564 Service Acceptance Testing
Y.1731はキャリアEthernetで遅延・ジッタ・損失をインサービス監視するOAMを規定。Y.1564はサービス検証手順を定義します。 standardized acceptance test procedure for validating service parameters before handing off to the customer. This guide covers both standards and their OcNOS configuration.
Building a Budget OcNOS Lab with ContainerLab: Part 1 — Linux Setup
ContainerLabはシンプルなYAMLファイルでネットワークトポロジをコードとして定義でき、再現性の高いOcNOSラボ環境構築に最適です。本ガイドではセットアップ手順を解説します。 up ContainerLab on a budget Linux mini-PC, importing the OcNOS container image, and deploying your first multi-node IS-IS SR topology using a single YAML file.
Flex-Algo in OcNOS: Fundamentals of Customized Path Selection
Segment Routing Flexible Algorithm (Flex-Algo) allows network operators to define multiple routing topologies over a single IS-IS domain — each optimized for a different objective such as lowest delay, highest capacity, or traffic isolation. This guide covers Flex-Algo concepts, algorithm definition, SID assignment, and OcNOS configuration.
OcNOS 6.6 Generally Available: Flex-Algo Network Slicing, AI Fabric Foundations, and SR Enhancements
OcNOS 6.6が一般提供開始。本リリースは、サービスプロバイダー向けの実運用対応Flex-Algoネットワークスライシングと、拡張されたAI fabric機能を提供します。 with initial PFC and ETS support for data centers, and Segment Routing enhancements across both SP and DC product lines.
OcNOS 6.6 for Data Centers: AI Fabric PFC/ETS, EVPN Policy Enhancements, and 400G Upgrade
OcNOS 6.6 for Data Centersは、ロスレスRoCEv2 AIワークロード向けにPriority-Based Flow Control（PFC）とEnhanced Transmission Selection（ETS）を導入し、機能を強化します。 EVPN Route Target policy control for multi-tenant fabrics, and improved 400G platform support for spine layer upgrades.
OcNOS 6.6 for Service Providers: Production Flex-Algo, SR Enhancements, and New Edge Platforms
OcNOS 6.6 SPは、IS-IS SRネットワークスライシング向けの実運用対応Flex-Algo、レイテンシと容量を最適化するSR Flexible Algorithm、強化されたEVPNを提供します。 multi-homing, improved BFD performance, and new fanless platform support for rural and remote edge deployments.
Multi-Domain ISIS-SR with BGP-LU and EVPN L2VPN/L3VPN Overlay on OcNOS
大規模通信事業者のネットワークは単一の IS-IS ドメインでは運用できません。BGP Labeled Unicast (BGP-LU) を組み合わせたマルチドメイン ISIS-SR で複数の SR ドメインを連携。 domains together, enabling end-to-end EVPN L2VPN and L3VPN services across domain boundaries — with TI-LFA fast reroute within each domain.
IP Maestro 3.0 General Availability: REST APIs, Text Config Push, and Streaming Telemetry
IP Maestro 3.0 が利用可能に。本リリースでは REST API による上位コントローラーとの連携、テキストベースの設定プッシュを直接サポート。 CLI and JSON config deployment, adds Japanese language support, and introduces streaming telemetry integration for real-time network visibility.
EVPN-L3VPN over ISIS-SR and TI-LFA in OcNOS: IP Routing Across the SR Backbone
EVPN L3VPNはBGP EVPNルートタイプ5（IPプレフィックスルート）を利用し、SR-MPLSバックボーン上でLayer 3 VPNサービスを提供。本ガイドではVRF設定を解説。, EVPN route type 5 operation, inter-VRF routing, and DCI (Data Center Interconnect) use cases on OcNOS with ISIS-SR and TI-LFA.
Performance Measurement for Service Providers: TWAMP in OcNOS
サービスプロバイダーは、SLA遵守を検証し、顧客が気づく前にネットワーク劣化を検知するため、アクティブな性能測定ツールを必要としています。TWAMP（Two-Way） Active Measurement Protocol) measures bidirectional delay, jitter, and packet loss between any two OcNOS nodes. This guide covers TWAMP architecture, OcNOS configuration, and integration with service assurance workflows.
EVPN-ETREE over ISIS-SR with TI-LFA: Rooted Multipoint L2 Service on OcNOS
EVPN E-Treeは、リーフサイト間で厳格にトラフィックを分離するルート型マルチポイントLayer 2接続を提供。全拠点が相互通信するE-LANとは異なります。 freely, E-Tree enforces a root-and-leaf hierarchy: leaf-to-leaf traffic is blocked at the service level. This guide covers E-Tree configuration on OcNOS with ISIS-SR.
OcNOS Receives MEF 3.0 Certification on UfiSpace S9510-28DC: Carrier Ethernet Validated
IP Infusionは、UfiSpace S9510-28DCオープンネットワーキングスイッチ上で稼働するOcNOSがMEF 3.0認証を取得。 delivers interoperable, standards-compliant carrier Ethernet services — a key qualification requirement for wholesale and enterprise service delivery.
Automating Network Deployments with OcNOS: Ansible, NETCONF, and gNMI
Manual network configuration does not scale. OcNOS supports multiple automation interfaces — Ansible via NETCONF, direct gNMI, and OpenConfig YANG models — enabling infrastructure-as-code deployments, zero-touch provisioning, and configuration drift detection across large SP and DC networks.
EVPN-ELAN over ISIS-SR with TI-LFA: Multipoint L2 Service on OcNOS
EVPN E-LAN (Ethernet LAN) provides multipoint Layer 2 connectivity — the EVPN successor to VPLS. This guide covers single-homed and multi-homed EVPN-ELAN configuration on OcNOS with IS-IS Segment Routing, including control-plane MAC learning, BUM traffic handling, and multi-homing with ESI.
EVPN-ELINE over ISIS-SR with TI-LFA: Single-Homed and Multi-Homed Deployments
EVPN E-LINE（Ethernet Private Line）はMPLS／SRネットワーク上でポイントツーポイントのLayer 2接続を提供。本ガイドではシングルホーム／マルチホーム構成を解説。 EVPN-ELINE configuration on OcNOS with IS-IS Segment Routing and TI-LFA fast reroute, including BGP EVPN route type 1 and 2 operation.
IP Infusion Completes TIP IPoDWDM Phase-2 PoC: Open IP and Optical Convergence Validated
IP Infusionが、TIP MANTRAサブグループ下のIPoDWDM概念実証フェーズ2を完了。コヒーレントオプティクスの相互運用性を実証。 disaggregated IP-over-DWDM architecture using OcNOS with open optical line systems — a critical step toward standardized open optical transport for service providers.
State of Open Networking 2024: From Niche to Mainstream
Open networkingは2024年に主流の閾値を越えました。40カ国以上の600社を超える顧客が、OcNOSを実運用で稼働。AIデータセンター構築も進展しています。 accelerating white-box adoption. And the technology stack — SR-MPLS, EVPN, OpenConfig, gNMI — has matured to match every capability of proprietary alternatives.
IP Maestro 2.0 General Availability: Point-and-Click Management for OcNOS Networks
IP Maestro 2.0 が一般提供開始。OcNOS ネットワーク管理向けに、ロールベースアクセス制御(RBAC)を備えた強化された Web GUI を提供。 LDAP authentication, Configuration Management improvements, Fault Management enhancements, and expanded Device Management capabilities.
OcNOS 6.5 Generally Available: OpenConfig, 400G Platforms, and SR Enhancements
OcNOS 6.5が一般提供開始。ベンダー非依存自動化のためのOpenConfig YANGモデル対応を拡張し、SP/DC両領域で新たな400Gハードウェアプラットフォームに対応します。 DC, Segment Routing enhancements including improved Flex-Algo support, and a broad set of EVPN-VXLAN fabric improvements.
OcNOS 6.5 for Service Providers: SR-MPLS Maturity, 5G Timing, and Aggregation Scale
OcNOS 6.5 for Service Providersは、アクセス、セルサイトルータ、アグリゲーション、コアの各領域で強化されたSR-MPLSプラットフォームを提供します。 improved 5G timing accuracy, expanded PTP grandmaster support, SR-MPLS scale improvements, and the fanless UfiSpace S9502-16SMT for remote site deployments.
OcNOS 6.5 for Data Centers: OpenConfig Automation, EVPN Scale, and 400G Spine
OcNOS 6.5 for Data Centersは、ベンダー非依存自動化のためのNETCONF経由OpenConfig YANGモデル対応、EVPN-VXLANファブリックのスケール向上、新たな400Gプラットフォームを導入します。 spine platform support on Broadcom Tomahawk 3, and enhanced multi-tenant isolation capabilities.
LDP to SR-MPLS Migration in OcNOS: A Phased Approach
LDPからSegment Routingへの移行に、ネットワーク全体の一斉切替は不要です。OcNOSはLDPとSR-MPLSが共存する段階的移行をサポートします。 operate simultaneously, allowing operators to migrate node-by-node without service disruption. This guide covers the three migration phases with OcNOS CLI configuration.
ISIS-SR with TI-LFA in OcNOS: Topology-Independent Fast Reroute
TI-LFA（Topology-Independent Loop-Free Alternate）は、SR-MPLSネットワークで利用可能な最も強力なFast Rerouteメカニズムです。LFAやRLFAと異なり、TI-LFAは provides 100% coverage for any link or node failure in any network topology. This guide explains how TI-LFA works and how to configure it in OcNOS with IS-IS Segment Routing.
Segment Routing Explained: Why SR-MPLS Is Replacing LDP and RSVP-TE
Segment Routing（SR-MPLS）は、LDPやRSVP-TEシグナリングを不要にすることでMPLSネットワークを簡素化します。本ガイドでは、サービスプロバイダーがSRを採用する理由と、その方法を解説します。 segments work, how SRGB is configured in OcNOS, and how SR enables scalable traffic engineering without per-flow state.
Network Operating Systems Compared: OcNOS, SONiC, and Proprietary — Which is Right for Your Network?
2024年のNOSの選択肢はこれまで以上に豊富です。プロプライエタリ（Cisco IOS-XR、Juniper Junos）、オープンソース（コミュニティSONiC）、商用オープン（OcNOS, Commercial SONiC). This definitive comparison covers protocol coverage, support, TCO, and use case fit to help operators choose the right platform.
Considering Community SONiC? Why OcNOS Might Be Your Better Path
コミュニティ版SONiCは無償かつオープンソースですが、本番展開にはプラットフォーム統合やプロトコル検証などの大規模なエンジニアリング投資が必要です。, support infrastructure, and ongoing maintenance. OcNOS delivers a production-ready alternative with a validated hardware ecosystem, 24x7 support, and a full SP/DC protocol stack — without the DIY overhead.
OcNOS vs. Proprietary Network Operating Systems: Breaking Free Without Compromise
Cisco IOS-XR、Juniper Junos、Nokia SR OSは数十年にわたりキャリアネットワークを定義してきました。OcNOSは同等以上の機能を提供してこのモデルに挑戦します。 routing capabilities on open hardware — without the vendor lock-in, hardware dependency, or inflexible pricing that come with proprietary stacks.
OcNOS DC vs. Commercial SONiC: A Data-Center-First Comparison
Both OcNOS and Commercial SONiC run on open, white-box hardware — but they represent fundamentally different approaches to open networking. This comparison examines support models, protocol coverage, roadmap control, and total cost of ownership to help network teams choose the right platform.
Overlay ECMP with EVPN-VXLAN in OcNOS: Part 2 — Multi-VM Subnet Scaling
パート2では、同一サブネットを共有する複数VMが単一ハイパーバイザー上にホストされるシナリオへ、オーバーレイECMPを拡張。OcNOSの動作理解が必要となります。 handles subnet route advertisements differently from host routes, and how EBGP between the VM and leaf VRF enables correct ECMP across the fabric.
Overlay ECMP with EVPN-VXLAN in OcNOS: Part 1 — Load Balancing Across Hypervisors
EVPN-VXLANオーバーレイにおけるECMP（Equal-Cost Multipath）により、同一サービスIPをホストする複数ハイパーバイザー間でトラフィックを分散可能。Part 1ではその概要を解説。 the data center Clos topology, EVPN-VXLAN underlay/overlay setup, and how OcNOS achieves load balancing for web-tier workloads.
Deploying VPLS on OcNOS: Step-by-Step Configuration Guide
VPLS (Virtual Private LAN Service) は通信事業者網で最も広く導入されるL2VPN技術の一つ。本ガイドで仕組みと運用を解説。 complete VPLS deployment on OcNOS: OSPF underlay, LDP label distribution, and VPLS pseudowire configuration with verification commands.
OcNOS 6.4: Streaming Telemetry, EVPN Enhancements, and Expanded Platform Support
OcNOS 6.4が一般提供開始。データセンター向けgNMIストリーミングテレメトリと、EVPNおよびCLI管理の大幅な改良を導入します。 for service providers, and new platform support across access, aggregation, and data center use cases.
OcNOS 6.4 for Data Centers: gNMI Telemetry, EVPN Policy Control, and OpenConfig
OcNOS 6.4 for Data Centersは、OpenConfig YANGモデルによるgNMIダイヤルイン型ストリーミングテレメトリと、マルチテナント向けEVPNルートターゲットフィルタリング強化を導入します。 policy control, selective packet mirroring, and improved operational visibility across VXLAN fabric deployments.
OcNOS 6.4 for Service Providers: CLI Management, EVPN Scale, and Access Improvements
OcNOS 6.4 for Service Providersは運用効率とスケールを重視。CLI管理出力の改良、NETCONF YANGモデルの強化などを実装します。 expansion, EVPN multi-homing stability, and improved BGP convergence for full-table peering deployments across access, aggregation, and core use cases.
Legacy ISP Router End-of-Life: How Open Networking with OcNOS Solves the Migration Problem
When legacy ISP routers reach end-of-life — whether MikroTik CCR, legacy Cisco platforms, or discontinued white-box hardware — the migration decision shapes network architecture for years. OcNOS on open hardware offers ISPs and WISPs a migration path that improves capabilities, reduces cost, and avoids the next vendor lock-in cycle.
Running Multiple OcNOS VMs in EVE-NG: Setup and Configuration Guide
EVE-NG（Emulated Virtual Environment Next Generation）はエンタープライズのネットワークラボやトレーニング環境で広く利用されています。本ガイドではOcNOSの追加手順を解説します。 QEMU image to EVE-NG, building a multi-node topology via the web GUI, and running IS-IS, BGP, and MPLS configuration tests on OcNOS VMs.
OcNOS Data Center for Internet Exchange Points (IXP): Design and Configuration Guide
Internet Exchange Point (IXP) はネットワーク設計に独自の要件を持ちます。大規模な BGP ルートテーブル、L2 ファブリックの信頼性、VLAN セグメンテーション、経路制御。 server infrastructure. OcNOS-DC meets all these requirements on open white-box hardware, delivering IXP-grade performance at significantly lower infrastructure cost.
A Practical Guide to Network Disaggregation: Lessons from Real Deployments
Network disaggregation is no longer a theoretical concept — hundreds of service providers and data center operators run OcNOS in production. This practical guide distills lessons from real deployments: what questions to ask before starting, how to structure the migration, what operational changes to expect, and how to measure success.
Fanless Cell Site Routers for 5G Backhaul: OcNOS in Remote and Rugged Environments
5G 基地局は屋上・街路キャビネット・遠隔タワー・屋外など、従来の能動冷却ルーターと相容れない環境に設置されることが多く enclosures. OcNOS supports multiple fanless Cell Site Router platforms that deliver full 5G backhaul capabilities — SR-MPLS, EVPN, PTP timing — in passively cooled compact form factors.
IP Infusion Achieves TL 9000 Certification: Carrier-Grade Quality for OcNOS
IP Infusionは、インド・米国・カナダにおけるOcNOSソフトウェア開発および技術サポート業務でTL 9000認証を取得。 telecommunications industry quality management standard — certification confirms that OcNOS development and support processes meet carrier-grade quality requirements.
IS-IS Micro-Loop Avoidance in OcNOS 6.3: Preventing Transient Forwarding Loops
マイクロループとは、IS-IS収束時に各ルータの転送テーブル更新タイミングがずれることで発生する一過性の転送ループです。 times. OcNOS 6.3 introduces IS-IS micro-loop avoidance using Segment Routing explicit paths to hold traffic on the pre-convergence path until all routers have converged.
OcNOS 6.3 Generally Available: 400G Aggregation, IPoDWDM, and BGP DDoS Prevention
OcNOS 6.3が一般提供開始。新しい400Gアグリゲーションルータプラットフォームによりハードウェアエコシステムを拡張し、IPoDWDM光トランスポートを強化します。 convergence, adds BGP DDoS prevention via FlowSpec, and introduces SR migration improvements and power savings across the platform portfolio.
Running Multiple OcNOS VMs in GNS3: Lab Setup and Configuration Guide
GNS3 lets you run multiple OcNOS VM instances in a single multi-node topology — ideal for testing MPLS, EVPN, BGP, and SR-MPLS configurations before deploying to hardware. This guide covers importing the OcNOS QEMU appliance into GNS3, building a multi-node topology, and running your first OcNOS configuration tests.
OcNOS as a Juniper MX204 Replacement: Independent Validation by IP ArchiTechs
Juniper MX204の販売終了発表により、数百のサービスプロバイダーが緊急のマイグレーション判断を迫られました。独立系ネットワークコンサルティングのIP ArchiTechs validated OcNOS as a direct technical replacement — covering metro Ethernet, BGP peering, MPLS, and EVPN use cases — running on open white-box hardware at a significantly lower TCO.
OcNOS VM: Test Drive the Network Operating System Before You Buy Hardware
The OcNOS Demo VM lets you validate L2, L3, MPLS, and EVPN configurations in GNS3, EVE-NG, or ContainerLab — before committing to hardware. Download it free from the IP Infusion website and start building and testing real OcNOS configurations today.
Why Service Providers Are Deploying Open Networking: 5 Drivers Behind the Shift
1年間で100社を超えるサービスプロバイダーがIP Infusionでオープンネットワーキングを導入。本記事ではその5つの運用・財務的効果を解説します。 drivers behind the accelerating SP adoption of disaggregated networking — from 5G infrastructure economics to broadband BEAD program requirements.
End-to-End Disaggregated Networks with OcNOS: From Access to Core
OcNOS delivers a single network operating system across the full service provider network stack — access routers, cell site routers, aggregation nodes, optical transport, and data center interconnect. This unified platform approach eliminates the multi-vendor NOS complexity common in legacy SP infrastructure.
Nanosecond Clock Accuracy for 4G/5G Networks: PTP and SyncE with OcNOS
5G NR (New Radio) は無線インターフェースで ±1.5 マイクロ秒の位相同期精度を要求。これをパケット交換トランスポート上で実現するには network requires a combination of IEEE 1588v2 PTP for phase/time distribution and SyncE for frequency synchronization — both supported natively in OcNOS across cell site and aggregation router platforms.
Disaggregating Routed and Optical Networks: Industry Research and Operator Perspectives
IP Infusion・TIP・パートナー各社が実施した Heavy Reading の業界調査により、ルーティングと光のディスアグリゲーションが融合しつつあることが判明。事業者が挙げる cost reduction, vendor independence, and architectural flexibility as the top drivers for adopting open, disaggregated packet and optical transport networks.
The Business Case for Network Disaggregation: TCO, Flexibility, and Innovation Velocity
ネットワークディスアグリゲーションの財務的意義は、ハードウェアコスト削減にとどまりません。本分析では5年スパンの総所有コストを取り上げます。, hardware refresh flexibility, supply chain resilience, and the operational efficiency gains from running a single NOS across a diverse hardware portfolio.
What Is Network Disaggregation? A Plain-Language Guide
Network disaggregation separates networking hardware from software, allowing operators to choose the best hardware and software independently — just as servers separated compute from the OS decades ago. This guide explains what disaggregation is, why it matters, and how OcNOS enables it across service provider and data center networks.
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