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Markets and Ideas - Real Time Auctions, Chat
Auctions are a good example of websites that require real time control. What is real time ? It means that changes need to occur in a simultaneous or coordinated manner rather than in a periodic or occasional manner. For example - in the last few minutes of an active auction - when there are multiple bidders present - when one of them makes a bid the other bidders need to see this instantly on their screen and be able to respond instantly as well. Auctions often have many other features that require real time behaviour such as configurable autobidding.
Online chat is another example of a website function that requires synchronization and coordination between multiple visitors. Each visitor needs to be able to see the recent chat history and be able to add to it when they wish. In some cases a website may be required to archive or record the chat histories in case later review is required.
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