DSLAM Distribution Unit Service Adaptation via Software Reconfiguration
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Solution Overview
Problem
The existing communication access networks require frequent rewiring and installation changes in DSLAMs to accommodate varying subscriber demands for different telecommunication services, which is costly and inefficient, especially when upgrading or downgrading services.
Innovation Solution
Implementing a method that uses a default advanced broadband technology (DABT) for all subscribers in a distribution unit, reserving individual broadband links that can be configured remotely to match subscriber agreements, and employing service filtering to ensure only agreed-upon services are provided, even for narrowband subscribers, using uniform communication devices like VDSL cards and Customer Premises Equipment (CPE) for flexible service delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional DSLAMs are tailored with different line cards for different subscriber demands, then service customization is improved, but device complexity and operational costs increase due to frequent rewiring and line card changes
Solution Approach 1:
The patent applies universality by using a single type of broadband line card (supporting advanced DSL technologies like VDSL or ADSL2+) for all subscribers, regardless of their current service requirements. This universal card design eliminates the need for multiple specialized line cards and allows the system to serve various service types (voice-only, data, video, etc.) through software configuration rather than hardware changes.
Solution Approach 2:
The patent employs parameter changes by transitioning from hardware-based service differentiation to software-based service differentiation. The line card's operational parameters (service type, bandwidth allocation, protocol configuration) are dynamically changed through remote software updates rather than physical reconfiguration, enabling flexible service customization without hardware modifications.
2Reliability
If DSLAMs are reconfigured to meet upgraded subscriber demands, then service quality is improved, but loss of time and productivity decrease due to technician visits and physical rewiring
Solution Approach 1:
The patent applies preliminary action by pre-configuring all line cards with broadband capabilities from the outset, rather than waiting to add specialized cards later. This advance preparation ensures that when service upgrades are needed, only software reconfiguration is required, eliminating the time-consuming process of physical card installation and rewiring.
Solution Approach 2:
The patent substitutes the mechanical system of physical line card installation and rewiring with an electronic/software-based reconfiguration system. Service upgrades are achieved through remote software commands that change operational parameters, completely eliminating the need for technician visits and manual hardware manipulation.
3Adaptability or versatility
If advanced broadband technology is deployed for all subscribers, then adaptability for future services is improved, but initial device complexity and cost increase
Solution Approach 1:
The patent applies partial or excessive action by deploying broadband-capable line cards to all subscribers even those who initially require only basic voice service. This excessive provisioning of broadband capability ensures future service readiness, while the actual broadband services are only activated when needed, balancing forward-looking adaptability with current resource utilization.
Data Source
AI summary
Technology for providing subscribers with communication services in accordance with their agreements with a service provider, that comprises: a) determining a plurality of subscribers to be connected to the service provider via a distribution unit located in an access network; b) selecting a default advanced broadband technology (DABT) for the distribution unit; c) in the distribution unit, providing a plurality of communication devices to reserve for each of the plurality of subscribers, irrespective of their agreements reached with the service provider, an individual communication link for supplying broadband communication services based on the selected DABT; while d) enabling each of the plurality of subscribers to receive services in accordance with their respective agreements with the service provider.