Virtual Communications Assessment Recording for Encrypted Multimedia Traffic
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Solution Overview
Problem
Traditional passive tap recording techniques face challenges in distributed telephony systems with encryption and the need for multiple recorders, especially for multimedia data, which require new techniques for efficient storage and transmission.
Innovation Solution
A system using a session border controller and load balancer to parse and record multimedia data across a network, employing intelligent distribution and storage strategies, including heuristic analysis and GPU offloading for efficient recording and playback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If passive tap recording is deployed at multiple branch offices to ensure accurate random sampling for quality monitoring, then measurement precision is improved, but device complexity and deployment cost increase significantly
Solution Approach 1:
The patent merges multiple recording functions into a single centralized recorder by implementing active recording at the source endpoint. The source endpoint device performs both the sampling and recording functions that would otherwise require multiple distributed recorders, thereby achieving accurate quality monitoring while reducing the number of recording devices needed.
Solution Approach 2:
The patent introduces an intermediary component (the source endpoint device with recording capability) that acts as a mediator between the communication stream and the quality monitoring system. This intermediary performs random sampling and recording locally, then transmits only the sampled recording data to the centralized storage, eliminating the need for multiple passive tap recorders at branch offices.
2Reliability
If encryption technology is deployed to secure network communications, then reliability is improved, but passive tap recording becomes ineffective as recording ability deteriorates
Solution Approach 1:
The patent inverts the traditional recording approach by moving the recording function from passive network taps to active source endpoints. Instead of trying to capture encrypted traffic passively (which fails due to encryption), the source endpoint actively records the communication data before encryption occurs, then transmits the recording data separately to the centralized recorder, thus maintaining both security and recording capability.
Solution Approach 2:
The patent segments the recording function into two independent components: (1) the source endpoint device that performs active recording and sampling of communication data, and (2) the centralized recorder that receives and stores the sampling data. This segmentation allows the recording function to operate independently of network encryption, as recording occurs at the source before data enters the encrypted network transmission channel.
3Adaptability or versatility
If distributed telephony systems with local PSTN access are adopted to improve adaptability, then adaptability is improved, but passive tap recording becomes difficult as device complexity increases
Solution Approach 1:
The patent enables the source endpoint device to perform self-service recording by integrating recording functionality directly into the endpoint. The endpoint autonomously captures communication data, performs random sampling according to quality monitoring requirements, and transmits the sampling data to centralized storage, eliminating the need for external passive tap recorders at each distributed location.
Solution Approach 2:
The patent makes the source endpoint device universal by giving it multiple functions: it serves as both the communication endpoint and the recording device. This multi-functionality allows the system to maintain adaptability across distributed telephony configurations while using a single type of device for both communication and quality monitoring recording purposes.
Data Source
AI summary
A system for data recording across a network includes a session border controller connecting incoming data from the network to an endpoint recorder. A load balancer is connected to the network between the session border controller and the endpoint and receives the incoming data from the session border controller, wherein the load balancer comprises computer memory and a processor configured to parse the incoming data into video data and audio data according to identification protocols accessible by the processor from the computer memory. A recording apparatus includes recording memory that receives the incoming data from the load balancer, stores a duplicate version of the incoming data in the recording memory, and connects the incoming data to the endpoint.