Patent ID: 8098660
Filing Date: 2012-01-17
Classification: H04L,H04W

Abstract:
1. A transmitting apparatus for delivering the same packet to a plurality of receiving apparatuses connected through a network, the same packet being delivered through a unicast route using a receiving apparatus list that shows a delivery order for the plurality of receiving apparatuses, the transmitting apparatus comprising: a receiver that receives, from the plurality of receiving apparatuses, information related to transmission capabilities of the plurality of receiving apparatuses; a receiver capability estimating section that estimates bands available for use with the plurality of receiving apparatuses, based on the received information related to the transmission capabilities; a receiver classifying section that classifies the plurality of receiving apparatuses into predetermined classes having associated thresholds, the classification being based on the estimated available bands; a classified receiver storing section that records a receiving apparatus list of each class classified by the receiver classifying section; and a receiver list rearranging section that rearranges the receiving apparatus list of each class recorded by the classified receiver storing section, in order from a highest available band, based on the estimated available bands, wherein the delivering of the same packet comprises transmitting the same packet to one of the plurality of receiving apparatuses such that the one receiving apparatus then transmits the same packet to another of the plurality of receiving apparatuses according, to the rearrange receiving apparatus list of each class.