Network device and method for sending packages
A network equipment and packet technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve the problems that data cannot be transmitted according to priority in real time, and end users are inconvenient.
Inactive Publication Date: 2009-01-07
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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Problems solved by technology
[0003] However, not all network service providers provide IP QoS mechanisms, and even if network service providers provide IP QoS mechanisms, the specifications may be different. In this way, the data transmitted through different PVCs in the ATM network cannot be transmitted in real time according to the priority to the end device, causing inconvenience to the end user
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[0013] see figure 1 , shows a block diagram of the network device 10 in an embodiment of the present invention. The network device 10 receives packets transmitted from different permanent virtual connections (PVCs) on the Asynchronous Transfer Mode (ATM) network 20 and sends the packets to the terminal device 30 (only one of them is shown in the figure). In this embodiment, the network device 10 may be a modem or a router, and the terminal device 30 may be a personal computer or the like.
[0014] The network device 10 includes a flag module 100 , a buffer 102 , a sending module 104 and a storage module 106 . The storage module 106 is used for storing the identification name of the predetermined PVC, wherein the packets from the predetermined PVC should be processed with priority, and in this embodiment, the PVC with which packets should be processed with priority is preset by the user. For example, if figure 2 As shown, there are three PVCs a, b, and c between the network...
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The invention discloses network equipment, which is used for receiving the packets that asynchronous transfer mode network transmits from different PVCs and sends the packets to the terminal equipment. The network equipment comprises a storage module, a signal module, a register and a sending module. The storage module is used for storing the identification names of the preset PVCs, wherein, the packets from the preset PVCs need to be processed preferentially. The signal module is used for receiving the packets from different PVCs and marking self preset PVC packets according to the preset PVC identification name which are stored by the storage module and sending the packets to the register for temporary storage. The sending module is used for grabbing the packets stored temporarily and sending the marked packets to the terminal equipment preferentially. The invention also provides a method that the network equipment transmits packets. By utilizing the method that the network equipment transmits the packets, the packets can be classified efficiently; and the packets with time limit can be transmitted preferentially.
Description
technical field [0001] The invention relates to a network device, in particular to a network device and a method for sending packets. Background technique [0002] In an asynchronous transfer mode (Asynchronous Transmit Mode, ATM) network, the network device is connected to the ATM network and multiple terminal devices, and there are multiple permanent virtual connections (Permanent Virtual Connection, PVC) between the network device and the ATM network, which are used to transmit different priority right data. When network equipment receives data transmitted from different PVCs, it usually judges the priority of these data according to the IP QoS mechanism provided by the network service provider, and then sends the data according to the priority of the data. [0003] However, not all network service providers provide IP QoS mechanisms, and even if network service providers provide IP QoS mechanisms, the specifications may be different. In this way, the data transmitted th...
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IPC IPC(8): H04L12/56
CPCH04L47/2441H04L47/35H04L47/31H04L45/10H04L12/5602H04L45/302
Inventor 林玉诚李孟书
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD