Presence-Event Notification Filtering for Real-Time User Availability
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Solution Overview
Problem
Service providers face challenges in delivering services to users who are not present or unavailable, as existing systems lack efficient methods to determine user presence and availability in real-time across various locations and devices.
Innovation Solution
A system that utilizes user devices to generate presence-event notifications, which are filtered and processed by presence servers to provide presence information, enabling service providers to determine user presence and availability through a network of interconnected devices and predictive models.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If service providers use traditional methods to determine user presence, then system complexity is reduced, but user presence detection accuracy and real-time availability determination deteriorate
Solution Approach 1:
The system segments the presence detection function into multiple independent components: user devices generate presence-event notifications locally, presence servers process and filter these notifications, and service providers consume the processed presence information. This segmentation enables accurate real-time presence detection while distributing system complexity across multiple specialized modules rather than requiring a single complex centralized system.
Solution Approach 2:
The presence server acts as an intermediary between user devices and service providers. It receives presence-event notifications from user devices, applies filtering rules to process the data, and generates presence information that is published for service providers to consume. This intermediary layer shields service providers from the complexity of real-time event processing while maintaining high detection accuracy through sophisticated filtering mechanisms.
2Loss of time
If service providers wait for user availability to provide services, then service delivery timing is optimized, but response time to user needs deteriorates
Solution Approach 1:
The system performs preliminary actions by continuously monitoring and processing presence-event notifications before service requests are made. Presence servers maintain up-to-date presence information and publish it proactively, so when service providers need to deliver services, they can immediately query the current presence state without waiting for users to indicate availability. This eliminates the time loss between user becoming available and service provider learning of it.
Solution Approach 2:
The system implements continuous feedback loops where user devices send presence-event notifications to presence servers, which process and publish presence information that is then consumed by service providers. This real-time feedback mechanism ensures service providers always have current information about user availability, enabling them to respond immediately when users are ready to receive services, optimizing both timing and response time.
3Productivity
If service providers attempt to reach users regardless of availability, then service delivery speed is maintained, but user experience and satisfaction deteriorate
Solution Approach 1:
Service providers perform preliminary checks by querying presence information before attempting service delivery. The presence server provides pre-processed availability data that allows service providers to verify user presence and willingness to receive services in advance. This preliminary action ensures that service delivery attempts only occur when users are actually available, maintaining both speed and user experience quality.
Solution Approach 2:
The system uses feedback from presence-event notifications to inform service providers about user availability status. When users generate presence events indicating they are available, this feedback is quickly processed and made accessible to service providers. This enables service providers to adjust their delivery strategy in real-time, maintaining high productivity by delivering services quickly when users are available while avoiding poor user experiences by not contacting unavailable users.
Data Source
AI summary
This disclosure is directed to generating one or more presence-event notifications at one or more user devices associated with a user, and transmitting those presence-event notifications to one or more presence server(s). At the presence server(s) a stream of presence-event notifications may be filtered according to any number of predefined criteria, and then the presence-event notifications that have filtered through may be applied to presence plug-ins to generate presence information associated with user(s) for whom presence-event notifications were received. The presence-event notifications may be provided as a stream of presence information to one or more consumers of presence information and/or stored in a presence datastore. A consumer of presence information, such as a service provider, may request presence information associated with one or more users. In response, the service provider may be provided with the requested presence information based on whether that service provider has permissions to receive the requested presence information.