Hierarchical publish/subscribe system performed by multiple central relays

摘要

A method for transmitting messages in a publish/subscribe message system. The method also includes: receiving, at a first relay, a subscription request from a first client; recording, at the first relay, subscription information of the first client based on the subscription request; receiving, at the first relay, a publication request from a second client, wherein the publication request includes a message; and transmitting the message to the first client.

主权项

1. A method for transmitting messages in a publish/subscribe message system, the method comprising:
receiving, at a central relay of a first group of more than one co-located central relays, a subscription request from a first remote relay on behalf of a first client; recording, at the central relay of the first group, subscription information of the first client based on the subscription request; receiving, at the central relay of the first group of more than one co-located central relays, a publication request from a second remote relay on behalf of a second client, wherein the publication request includes a message; recording, at the central relay, publication information from the message; transmitting, by the central relay, the publication information to other members of the first group of co-located central relays and to each member of second group of more than one co-located central relays in a different geographic location than the first group; and transmitting the message to the first client.