Method and apparatus for transmitting data packet

• Main Authors: WANG JING, MA HAILONG, WANG BINQIANG, LAN JULONG, HUANG WANWEI, HUANG HUIQUN, YU JING, LI DAN, SHEN JUAN
• Format: Patent
• Language: Chinese; English
• Published: 17.08.2011
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The invention discloses a method used for transmitting data packets and a device thereof. The method comprises the steps as follows: at the internal cache side, the received data packets are cached to the internal cache; the outlet port information of the data packets is converted into output control information; the output control information comprises copy time of the data packets and the output port information; at the external cache side, the external cache sequentially reads the data packets from the internal cache, a main external cache and a secondary external cache in the external cache alternatively output the currently read data packets to an encapsulation module according to the copy time so as to lead the encapsulation module to output the data packets to corresponding output ports according to the output port information. By the method of the embodiment, the data packets are alternatively output by external main and auxiliary caches and only one main waiting queue of the cache data packets exists