Qu'est-ce que DOCSIS PNM ?
Guide complet sur l'amélioration de la performance des réseaux grâce à la maintenance proactive des réseaux
Enhance your network reliability with proactive monitoring and maintenance of DOCSIS infrastructure

Introduction to DOCSIS PNM
DOCSIS Proactive Network Maintenance (PNM) is an essential framework used in cable networks to improve operational efficiency by addressing potential issues before they cause significant disruptions. Leveraging advanced analytics and monitoring tools, PNM helps network operators detect and resolve impairments early, minimizing downtime, enhancing network performance, and ensuring a seamless user experience. By identifying and addressing problems proactively, PNM contributes to a more reliable and efficient network.
Qu'est-ce que DOCSIS ?
Data Over Cable Service Interface Specification (DOCSIS) is a telecommunications standard that enables high-speed internet access through cable television systems. It utilizes the existing coaxial cable infrastructure, originally intended for television delivery. Developed by CableLabs, DOCSIS has evolved over time, with each version offering improvements in data transfer rates and capabilities. The most recent version, DOCSIS 4.0, provides significant advancements in speed and latency, addressing the increasing demand for faster and more reliable internet. DOCSIS plays a crucial role for broadband service providers by offering competitive internet solutions, increasing bandwidth, and enhancing network performance.
What Is PNM and How Does It Work?
PNM (Proactive Network Maintenance) actively monitors and maintains the health of DOCSIS networks. By continuously collecting data from Cable Modem Termination Systems (CMTS) and modems via SNMP (Simple Network Management Protocol), PNM tracks critical network metrics such as signal quality, noise levels, and distortion signatures. It analyzes and classifies any issues, calculates distances to reflection points, and identifies potential interference sources. The system visualizes this data on interactive maps, allowing operators to quickly identify and resolve problems. By detecting and addressing issues before they affect customers, PNM improves network performance and reduces downtime. Ultimately, it enables operators to take proactive measures to resolve impairments, ensuring better service reliability and user satisfaction.
Why Choose Axiros´ Solution for DOCSIS PNM?
DOCSIS PNM monitoring is an advanced solution already in use by well-established cable service providers. It is optimized to efficiently collect data from cable modems and CMTS devices and can integrate with provisioning and management solutions in a DOCSIS network, such as AX DOCSIS. The DOCSIS PNM solution is scalable and can be adapted to networks of any size, whether you're managing a regional network or a nationwide infrastructure.
Its mechanisms for detecting faults that do not yet have a direct customer impact, such as impairments in downstream and upstream spectrum or pre-equalization issues, enable fault resolution before they cause a degradation in QoE for customers. With DOCSIS PNM, you can minimize downtime, improve operational efficiency, and maintain exceptional service quality.
-
DOCSIS PNM offers several features that make it an indispensable tool for managing DOCSIS networks. It provides continuous monitoring of network health by collecting data from CMTS and modems via SNMP. PNM analyzes distortion signatures, classifies issues, and calculates distances to reflection points, allowing operators to identify impairments before they escalate into larger problems. The system also visualizes network health on interactive maps, helping operators quickly pinpoint affected areas and take corrective actions. By addressing issues proactively, DOCSIS PNM enhances service quality, minimizes downtime, and boosts operational efficiency, making it a crucial solution for maintaining reliable DOCSIS network performance.
-
DOCSIS PNM equips Internet Service Providers (ISPs) with tools to manage the growing number of IoT devices on their networks. It offers visibility into the activities of network devices, enabling ISPs to identify and address issues before they impact customers. For example, PNM can detect excessive bandwidth consumption or abnormal traffic from IoT devices, allowing ISPs to address problems promptly. PNM also assists in managing firmware updates and security patches for IoT devices, ensuring their ongoing security and functionality. As the number of connected devices continues to rise, PNM becomes increasingly essential for ISPs to maintain network health and prevent disruptions.
-
DOCSIS PNM solves several network performance issues, primarily by identifying and resolving impairments before they affect end users. It addresses common issues such as signal degradation, pre-equalizations, noise interference, and network congestion. PNM uses advanced monitoring tools to detect potential faults in cables and equipment, reducing both downtime and maintenance costs. By preventing issues before they escalate, PNM helps maintain optimal network health and reliability, ensuring continuous service delivery. Moreover, PNM allows operators to prioritize maintenance tasks, optimizing network resources and reducing operational costs. Overall, DOCSIS PNM is essential for ensuring a robust and reliable network infrastructure.
-
Implementing DOCSIS Proactive Network Maintenance (PNM) involves integrating advanced monitoring and diagnostic tools into a DOCSIS network. This starts with the installation and configuration of PNM software, which continuously collects data from CMTS and modems via SNMP. The software tracks various network metrics, such as signal quality and noise levels, while identifying any potential faults in the network infrastructure.Once the data is collected, the system analyzes it in real-time to detect problems like interference, signal degradation, pre-equalizations, or equipment malfunctions. The results are often displayed on interactive maps, enabling operators to quickly locate the issues and resolve them efficiently. By proactively addressing problems, DOCSIS PNM minimizes the need for reactive maintenance, reduces disruptions, and helps prioritize tasks based on the severity of the issues. This ensures more efficient use of resources, improves network performance, and enhances the end-user experience.

Nos produits basés sur DOCSIS PNM
Tous les produits Axiros peuvent être déployés et exploités "sur site " ou "en tant que service".