| 摘要 |
Provided are a server assignment and messaging system and method and a directory server. The server assignment and messaging system includes a plurality of connection servers configured to form a server group, and a directory server configured to generate at least one hash value for each of the plurality of connection servers using identification (ID) information of the respective connection servers and generate a logical server group in which the connection servers are arranged in a ring shape according to the generated hash values. The directory server is configured to receive a server assignment request from a terminal, and assign one of the plurality of connection servers included in the logical server group to the terminal using a hash value generated from ID information of the terminal and a server assignment rule.
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