Automatic IP Discovery via Broadcast Identifier Matching
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Solution Overview
Problem
Current methods for network devices, such as Digital Front Ends (DFE) managing multifunction printers, require manual intervention or complex processes to obtain and manage IP addresses, leading to inefficiencies and increased management costs, especially when devices need to expose network services to enterprise networks.
Innovation Solution
The proposed solution involves using a unique identifier, like a serial number, to automatically discover the IP address of a network device through broadcast technologies like SNMP, allowing dynamic configuration without manual intervention, even in changing network environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual IP address configuration is used, then network device connectivity is established, but management complexity and time consumption increase
Solution Approach 1:
The system enables automatic IP address configuration where the DFE self-configures by receiving broadcast packets from network devices, extracting their identifiers, and establishing connectivity without manual intervention. This eliminates the need for administrators to manually configure IP addresses, directly resolving the contradiction between ease of operation and time consumption.
Solution Approach 2:
The system performs preliminary actions by having network devices broadcast their identifiers before the DFE needs to establish connectivity. The DFE captures these broadcast packets in advance, stores the identifier-to-IP mappings, and uses this pre-established information for rapid connection, reducing configuration time while maintaining operational simplicity.
2Extent of automation
If broadcast technology is used for device discovery, then automatic IP configuration is achieved, but network traffic and processing load increase
Solution Approach 1:
The system uses broadcast packets only partially - network devices send brief identifier broadcasts, and the DFE processes only the essential identifier information from these packets. This partial processing approach achieves automatic device discovery without requiring the DFE to analyze complete network traffic or perform excessive processing, thus balancing automation with energy efficiency.
3Adaptability or versatility
If dynamic IP address management is implemented, then network adaptability improves, but configuration complexity increases
Solution Approach 1:
The system introduces an intermediary mechanism where network devices broadcast their identifiers as mediators between the DFE and the network environment. The DFE uses these broadcast identifiers to automatically map devices to IP addresses without requiring complex configuration management. This intermediary broadcast system simplifies the interaction between dynamic network environments and the DFE, achieving adaptability without increasing configuration complexity.
Data Source
AI summary
Techniques described herein automatically discover the IP address of a first network device such as but not limited to a multifunction printer. Such techniques use a unique identifier of the first network device, such as for example a multifunction printer serial number. Such unique number is used in the configuration of a second network device, such as for example a Digital Front End/External Print Controller that may need the IP address of the first network device. The unique number may be entered once into the second network device or may be received from the first network device through a data interface by the second network device. Techniques then may use any available broadcast technology such as but not limited to Simple Network Management Protocol (SNMP) to determine from available network devices which network device therefrom has the same unique number, thereby obtaining the IP address of the first network device.