Message-Driven Gaming Queue for Reliable Bet Settlement
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Solution Overview
Problem
Current online gaming systems face inefficiencies due to network disruptions and delays in data packet transmission between front-end and back-end servers, leading to increased network congestion and processing delays, which are exacerbated during high-load events.
Innovation Solution
Implementing a message-driven system where front-end servers publish online gaming messages onto a message data stream, and back-end servers periodically poll and consume these messages, ensuring timely and sequenced processing by using producer and consumer engines to manage message data streams.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If HTTP data packet transmission is used between front-end and back-end servers, then communication is achieved, but network disruptions and delays occur leading to increased network congestion and processing delays
Solution Approach 1:
A message queue system acts as an intermediary between front-end and back-end servers. The message queue receives data packets from front-end servers, stores them temporarily, and delivers them to back-end servers asynchronously. This mediator approach decouples the communication between servers, allowing the back-end to process messages at its own pace without waiting for synchronous HTTP responses, thereby reducing processing delays and improving reliability during network disruptions.
Solution Approach 2:
The system transitions from synchronous HTTP communication to asynchronous message-driven communication. The back-end servers periodically poll the message queue for new messages rather than waiting for synchronous responses. This dynamic communication model allows the system to adapt to varying load conditions and network states, reducing processing delays by allowing back-end servers to consume messages when ready without blocking the front-end servers.
2Reliability
If data packets are resent due to network disruptions, then data transmission is completed, but network congestion increases and system processing resources are consumed
Solution Approach 1:
The message queue serves as a buffer and mediator that receives data packets from front-end servers and stores them temporarily until the back-end servers are ready to process them. This intermediary approach ensures that data transmission reliability is maintained even when back-end servers are busy or network disruptions occur, without requiring repeated resends. The message queue preserves messages in their original sequence, ensuring reliable delivery while preventing network congestion by eliminating the need for continuous retransmission attempts.
3Loss of information
If multiple data packets are communicated in sequence, then complete data transmission is achieved, but processing order and timing become complex and delayed
Solution Approach 1:
The message queue system acts as an intermediary that receives multiple data packets from front-end servers and stores them in a structured manner, preserving their original sequence and timing information. When back-end servers consume messages from the queue, they do so in the correct sequential order, ensuring data completeness without the complexity of managing parallel processing sequences. The message queue simplifies processing by providing a first-in-first-out (FIFO) delivery mechanism that maintains packet order automatically.
Data Source
AI summary
Message driven gaming systems and processes are described. For an implementation, a process may include executing, by a processor in a front-end server for a message driven gaming system, non-transient computer instructions which instantiate a producer engine. The message driven gaming system may include at least one back-end server. The producer engine configures the front-end server to communicate messages to the at least back-end server by: receiving first data corresponding to an online bet; generating, based on the first data, a first on-line gaming message; and publishing the first on-line gaming message onto a first message data stream. The back-end server periodically polls the first message data stream, and determines that the first on-line gaming message is available on the first message data stream for consumption by the back-end server. The message may include a settlement message for a bet placed by a user of the on-line gaming system.