Joint Ethernet IP Header Compression via EHC RoHC Feedback
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current technologies face challenges in efficiently compressing both Ethernet and IP headers, particularly in time-sensitive networking deployments, where joint compression of these headers is complex and not adequately addressed by existing standards, such as 3GPP RAN2's Ethernet Header Compression (EHC) and Robust Header Compression (RoHC) frameworks.
Innovation Solution
The proposed solution involves a combined use of EHC and RoHC, where EHC compresses Ethernet headers and RoHC compresses upper-layer headers, with negotiation and interaction mechanisms to enable independent operation and feedback messaging, allowing for efficient compression and decompression of IP/Ethernet packets, including removal of padding bytes from Ethernet frames.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If separate compression operations are used for Ethernet and IP headers, then implementation simplicity is improved, but compression efficiency deteriorates due to inability to remove padding bytes
Solution Approach 1:
The patent combines EHC and RoHC compression operations into a joint compression process where the EHC compressor interacts with the RoHC compressor through feedback messages. This merging allows the system to achieve both implementation feasibility and improved compression efficiency by enabling padding byte removal while maintaining standardized operation procedures.
2Productivity
If joint compression of Ethernet and IP headers is implemented, then compression efficiency is improved through padding removal, but operational complexity worsens due to interaction mechanisms
Solution Approach 1:
The patent implements a feedback mechanism where the EHC compressor sends feedback messages to the RoHC compressor to indicate whether padding bytes should be removed. This feedback approach enables efficient joint compression by allowing the EHC component to guide the RoHC component's compression decisions based on Ethernet header characteristics, thereby improving compression efficiency while managing operational complexity through standardized feedback protocols.
3Reliability
If EHC and RoHC operate independently, then standards compliance is improved, but data transmission efficiency deteriorates due to preserved padding overhead
Solution Approach 1:
The patent introduces feedback messages as an intermediary mechanism between the EHC and RoHC compressors. These feedback messages enable the independently standardized EHC and RoHC operations to cooperate effectively, allowing the EHC compressor to provide guidance information to the RoHC compressor for optimal compression while maintaining standards compliance. This intermediary approach resolves the contradiction by enabling efficient padding removal without compromising standards adherence.
Data Source
AI summary
The present invention provides a method for joint use of Ethernet header compression and robust header compression. More particularly, a method, comprising performing, a first compression/decompression operation to an Ethernet header of an Ethernet packet data; determining that the Ethernet packet includes an Internet Protocol packet; identifying at least one Internet Protocol packet within the Ethernet packet data; and performing a second compression/decompression operation to an Internet Protocol header of the at least one Internet Protocol packet, wherein the second compression/decompression operation is based on an indicated at least one of a context or profile independent from that of the first compression/decompression operation, is disclosed.