What is channels Redis?

Redis Pub/Sub implements the messaging system where the senders (in redis terminology called publishers) sends the messages while the receivers (subscribers) receive them. The link by which the messages are transferred is called channel. In Redis, a client can subscribe any number of channels.

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Why does Django channels use Redis?

The primary purpose of redis in django-channel_layers is to store the necessary information required for different instances of consumers to communicate with one another . For example, in the tutorial section of channels documentation, it is clear that Redis is used as a storage layer for channel names and group names.

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