Network Probe Response Segmentation for MTU Constraints
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Solution Overview
Problem
Existing communication protocols face issues with unintended fragmentation and network performance degradation when transmitting probe responses that exceed transmission thresholds, leading to difficulties in reassembly and increased computing resources for network devices.
Innovation Solution
Implementing selective fragmentation of probe responses into segments based on maximum transmission unit (MTU) sizes, using protocols like TLV, XML, or JSON, to ensure each segment does not exceed the MTU, thereby reducing the likelihood of unintended fragmentation and network traffic, and facilitating efficient reassembly by including ordering information within the messages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If probe responses are transmitted without fragmentation when they exceed MTU size, then the communication protocol remains simple, but unintended fragmentation occurs during transmission causing network performance degradation
Solution Approach 1:
The probe response message is segmented into multiple logical units at the application layer before transmission. Each logical unit is further divided into segments that fit within MTU constraints, preventing unintended fragmentation during network transmission while maintaining message integrity through reassembly at the destination.
Solution Approach 2:
The message is pre-fragmented into logical units and segments before transmission, with ordering information embedded in advance. This preliminary action ensures that the network infrastructure does not perform unintended fragmentation, and the destination can reassemble the message without complexity.
2Reliability
If probe responses are fragmented at the network layer, then transmission reliability improves, but reassembly complexity and computing resource usage increase
Solution Approach 1:
The message is segmented at the application layer with embedded ordering information, shifting the segmentation function from the network layer to the application layer. This eliminates the need for complex network-layer reassembly while ensuring reliable transmission through structured segment organization.
Solution Approach 2:
The message segments contain self-describing ordering information that enables automatic reassembly at the destination without requiring complex external reassembly logic. Each segment carries its position information, allowing the destination to reconstruct the original message through simple sorting operations.
3Reliability
If probe responses are transmitted as single large packets, then message integrity is maintained, but transmission fails when exceeding MTU size causing network performance degradation
Solution Approach 1:
The probe response is segmented into multiple logical units and further divided into transmission-ready segments that fit within MTU constraints. This segmentation enables successful transmission through networks with size constraints while maintaining message integrity through embedded ordering information and structured reassembly.
Solution Approach 2:
The message structure is transformed from a single large packet into multiple smaller segments with controlled size parameters. This parameter change allows the message to adapt to network MTU constraints while preserving integrity through the segmentation and reassembly mechanism with embedded ordering information.
Data Source
AI summary
A device may include one or more processors. The one or more processors may receive a request for one or more parameters associated with the device. The one or more processors may determine, as a response, the one or more parameters associated with the device. The one or more processors may generate a set of logical units associated with encapsulating the one or more parameters. The set of logical units may be associated with a particular communications protocol. The one or more processors may fragment the set of logical units into a set of segments based on a maximum transmission unit (MTU) size for a network path. The set of logical units may be fragmented without fragmenting any logical units of the set of logical units. The one or more processors may transmit the set of segments to a destination network device.