METHOD FOR RETRANSMITTING PACKET, DATA SERVER USING THE SAME, AND PACKET RETRANSMITTING SYSTEM

專利類型

發明

專利國別 (專利申請國家)

美國

專利申請案號

14/631,856

專利證號

US 9,887,910 B2

專利獲證名稱

METHOD FOR RETRANSMITTING PACKET, DATA SERVER USING THE SAME, AND PACKET RETRANSMITTING SYSTEM

專利所屬機關 (申請機關)

國立交通大學

獲證日期

2018/02/06

技術說明

本發明提出一種封包重傳的方法、使用此方法的資料伺服器及封包重傳系統。此封包重傳系統包括控制伺服器、網路交換器、數個上層節點及資料伺服器。終端節點分別透過各上層節點下載資料伺服器所提供之資料封包。資料伺服器經由網路交換器接收終端節點對應於資料封包的遺失封包回報，自控制伺服器取得相關於終端節點的網路拓樸資訊，依據遺失封包回報及網路拓樸資訊對資料封包中的遺失封包進行編碼，且經由網路交換器及各上層節點傳送遺失封包經編碼後的編碼封包至終端節點。 A method for retransmitting packet, a data server using the same and a packet retransmitting system are provided. The packet retransmitting system comprises a control server, a network switch, a plurality of upper nodes, and the data server. Data packets proved by the data server are downloaded by terminal nodes through each of the plurality of upper nodes, respectively. The data server receives missing packet reports in which the terminal nodes correspond to the data packets via the network switch, obtains network topology information relating to the terminal nodes form the control server, performs coding on missing packet in the data packets according to the missing packet report and the network topology information, and transmits encoded packets encoded form the missing packets to the terminal nodes via the network switch and each of the plurality of upper nodes.

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