SFP Functionality Extender for Network Traffic Management
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional small form-factor (SFP) modules are limited in functionality and require vendors to manufacture a wide variety of modules with identical communications functionality but differing only in fiber optical interface characteristics, necessitating additional equipment and infrastructure for enhanced functionalities.
Innovation Solution
The introduction of a functionality extender (EXTENDER) that can be inserted into an SFP cage, equipped with circuitry providing additional functionalities such as packet inspection, statistics collection, packet header editing, and traffic conditioning, which can be connected to a conventional SFP module to enhance its capabilities without requiring additional rack space, power, or connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If additional functionalities are implemented inside SFP modules, then rack space, power, and cabling are saved, but vendors need to manufacture a wide variety of SFPs identical in communications functionality while differing only in fiber optical interface characteristics
Solution Approach 1:
The invention divides the SFP system into two separate components: a base SFP module that provides only optical communication functionality, and an EXTENDER module that provides additional functionalities. This segmentation allows the base module to remain simple and standardized, while the EXTENDER adds versatility without increasing base module complexity.
Solution Approach 2:
The EXTENDER module is designed as a universal component that can be inserted into the SFP cage and work with any conventional SFP module. The EXTENDER provides multiple functionalities (packet inspection, statistics collection, packet header editing, traffic conditioning, cooling) through a single device, making the system multi-functional without requiring multiple specialized SFP variants.
2Adaptability or versatility
If a wide variety of SFP modules with different functionalities are manufactured, then advanced network functionalities are available, but the number of module variants and infrastructure requirements increase
Solution Approach 1:
The invention merges the base SFP module and the EXTENDER module into a single operational unit. The EXTENDER is inserted into the SFP cage alongside the base module, and the two work together as an integrated system. This merging provides advanced network functionalities while keeping the base module manufacturing simple and standardized.
3Ease of manufacture
If conventional SFP modules are used without additional functionalities, then manufacturing is simplified, but advanced network functionalities like packet inspection and traffic management are not available
Solution Approach 1:
The EXTENDER acts as an intermediary device between the base SFP module and the network infrastructure. It receives optical signals from the base module and provides additional processing functionalities (packet inspection, statistics collection, packet header editing, traffic conditioning) before transmitting to the network. This intermediary approach adds functionality without complicating base module manufacturing.
Data Source
Figure 1A
Figure 1B
Figure 1C
AI summary
Apparatus configured to provide a small form-factor module (SFP) that is plugged into a socket of an SFP cage with a functionality, the apparatus comprising: a connector configured to be inserted into the cage socket; functionality circuitry that is electrically connected to the connector and provides the functionality; and a socket electrically connected to the functionality circuitry configured to receive the connector of a conventional SFP module, and to electrically connect the conventional SFP to the functionality circuitry.