Packet Routing Devices Using Embedded Timing Data
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Solution Overview
Problem
Current media production systems face challenges in managing timing data for media content routing within networks, as traditional routers lack the capability to locate and utilize timing data embedded in packet payloads or headers, leading to inefficiencies in executing changes under critical timing constraints.
Innovation Solution
The solution involves modifying packet routing and switching devices to recognize and utilize timing data embedded in packet headers or payloads, allowing for centralized control of IP routing based on payload-specific parameters, such as content type or timestamps, to enable precise routing decisions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If timing data is embedded in packet payload, then routing decisions can be based on content-specific timing, but routers cannot locate or read the timing data
Solution Approach 1:
The patent introduces an intermediary mechanism (timing data location field or header embedding) that bridges the gap between timing data embedded in payloads and router processing capabilities. This intermediary allows routers to locate and access timing data without requiring deep payload inspection, resolving the contradiction between embedding timing data for precision and maintaining router accessibility.
Solution Approach 2:
The patent moves timing data from the payload dimension to the header dimension, creating a new access pathway for routers. By placing timing data in packet headers or providing location indicators, the system enables router access without compromising the content-specific timing information, thus resolving the accessibility issue while maintaining precision.
2Productivity
If traditional routing methods are used, then routers operate with simple forwarding rules, but they cannot execute routing changes under critical timing constraints
Solution Approach 1:
The patent transforms static routing tables into dynamic structures that can be updated based on timing data. Routers can now adapt their forwarding behavior in real-time according to content-specific timing constraints, enabling both high-speed execution and timing-based flexibility simultaneously.
Solution Approach 2:
The patent changes the routing parameter from simple destination addresses to include timing data and execution control parameters. This parameter expansion allows routers to make timing-aware routing decisions while maintaining efficient forwarding operations, resolving the contradiction between speed and flexibility.
3Ease of operation
If timing data is embedded in packet headers, then routers can easily locate and use the data, but the embedding process adds complexity to packet structure
Solution Approach 1:
The patent utilizes existing packet header fields for timing data embedding, making the header serve multiple functions: traditional routing information and timing data storage. This approach improves accessibility without significantly increasing packet structure complexity, as no additional header sections are required.
Solution Approach 2:
The patent uses location indicators or pointers in headers that reference timing data without duplicating the entire data structure. This copying mechanism allows routers to efficiently locate timing data while minimizing the actual data embedded in the packet structure, thus maintaining simplicity.
Data Source
AI summary
Devices, methods, and systems are described for the execution of packet reroute authorization based on payload specific parameters embedded in either the payload or packet header. The described methods may be used for media production systems. The methods may also be configured for other applications in any packet based routing environment to provide payload or execution description parameters embedded in either the payload or packet header for routing control of any packet based traffic.