Gateway Device Profiles for Per-Device Packet Flow Analysis
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Solution Overview
Problem
Network service providers face challenges in performing fine-grained analysis of packet flows due to limited visibility beyond their hubs and gateways, preventing comprehensive end-to-end monitoring and management of user devices.
Innovation Solution
A gateway device creates and maintains profiles for connected devices, appending device information to packet flows, enabling servers and routers to receive and utilize this information for enhanced policy enforcement and management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the network service provider monitors packet flows only between hub and gateways, then the network infrastructure complexity is reduced, but the measurement precision of packet flow analysis deteriorates
Solution Approach 1:
The gateway acts as an intermediary device that collects device information from end user devices and appends it to packet flows before forwarding them to the service provider network. This intermediary function enables fine-grained packet flow analysis without requiring complex infrastructure changes throughout the entire network, as the gateway consolidates the information gathering and preparation functions.
Solution Approach 2:
The gateway performs preliminary actions by collecting device information and creating device profiles before packets are forwarded to the service provider network. By pre-appending device information to packet flows at the gateway, the system enables detailed packet flow analysis downstream without requiring real-time information gathering across the entire network infrastructure.
2Loss of information
If the gateway appends device information to each packet, then the information availability for analysis is improved, but the packet processing overhead increases
Solution Approach 1:
The gateway creates a copy of relevant device information from the device profile and appends it to packet flows. Instead of transmitting entire device profiles or maintaining complex real-time connections to device databases, the gateway copies essential identifying information into the packet data stream, enabling information availability without proportionally increasing processing complexity.
3Productivity
If the service provider network performs fine-grained packet flow analysis, then the bandwidth management efficiency is improved, but the computational resources required increase
Solution Approach 1:
The gateway performs preliminary action by collecting device information and appending it to packet flows before they enter the service provider network. This pre-preparation of information enables downstream network elements to perform efficient packet flow analysis using the appended device information, rather than requiring complex real-time information gathering and processing across the entire network, thus improving bandwidth management efficiency while controlling computational resource consumption.
Data Source
AI summary
Methods and apparatus are disclosed that enable information about devices connected behind a gateway, such as a home gateway, to be made available to and used by other entities, such as servers and routers, on a communications network.