Data Stream Modification Machine for Arbitrary Insertion and Removal
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Solution Overview
Problem
Current network packet processors require specialized knowledge from multiple fields, leading to time-consuming and costly development processes, and existing machines are limited in inserting or removing data at arbitrary points in data streams, becoming complex and error-prone as packet networks evolve.
Innovation Solution
A method and machine for inserting or removing fixed-length data at specified points in a data stream, using a programmable logic device to automatically generate data stream modification machines based on protocol specifications, allowing for arbitrary insertion and removal points and lengths, and chaining machines for multiple operations in a serial fashion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If machines are designed to insert or remove data at arbitrary points in data streams, then adaptability improves, but device complexity increases
Solution Approach 1:
The patent creates a universal data stream modification machine that can perform both insertion and removal operations at arbitrary points within a single device architecture. The machine uses a unified control mechanism that accepts insertion/removal point specifications and automatically configures its operation, eliminating the need for separate specialized machines for different operations.
Solution Approach 2:
The machine employs dynamic configuration where the insertion/removal point is not fixed but can be specified arbitrarily through control inputs. The device adapts its behavior based on the specified modification point, allowing flexible operation across different data stream positions without requiring physical reconfiguration or multiple static machine variants.
2Adaptability or versatility
If user-designed machines are created to handle complex packet networks, then adaptability improves, but ease of manufacture deteriorates
Solution Approach 1:
The data stream modification machine incorporates automatic configuration capabilities where the device can determine its own operational parameters based on input specifications. The control logic automatically calculates modification points and configures internal operations without requiring manual hardware design or complex assembly, making the device easier to manufacture while maintaining adaptability to complex packet networks.
Solution Approach 2:
The machine allows dynamic specification of operational parameters such as modification point location and data length through control inputs rather than requiring physical reconfiguration. This parameter-based configuration approach simplifies manufacturing while enabling the device to adapt to different packet network requirements by changing operational parameters software-definedly.
3Device complexity
If fixed-length data is inserted or removed at fixed locations, then device complexity is reduced, but adaptability deteriorates
Solution Approach 1:
The patent implements a dynamic modification point specification mechanism that allows the insertion/removal location to be arbitrarily chosen within the data stream while maintaining a relatively simple machine architecture. The control system dynamically calculates the modification point based on input parameters (such as field identifiers or byte offsets) without requiring complex physical reconfiguration, thus achieving flexibility with minimal complexity increase.
Data Source
AI summary
A method of modifying a data stream (12) in an integrated circuit (“IC”) determines a modification point (14) in the data stream from a beginning (16) of the data stream. The modification point is within a word (W7) and has an offset (oww) from the beginning of the word. Data is removed (18) or added (24) to produce a modified data stream (20).