Asynchronous encoding of digital content

摘要

A server generates a combination of symbols requested by a set of users in response to the symbols requested by each user in the set being cached by the other users in the set. A transmitter in the server multicasts the combination of symbols to the set of users based on a transmission deadline associated with the set of users.

主权项

1. A method, comprising:
generating, at a server, a combination of symbols requested by a set of users in response to the symbols requested by each user in the set being cached by the other users in the set; storing the combination in one of a plurality of entries of a queue associated with the server; and multicasting the combination of symbols to the set of users based on a transmission deadline associated with the set of users, wherein the set of users comprises at least one first user and at least one second user, and further comprising:
receiving a first request from the at least one first user to transmit at least one first symbol;comparing the at least one first symbol to a set of symbols cached by the at least one second user; andcomparing a set of symbols cached by the at least one first user to a set of symbols requested by the at least one second user.