Network device and method for processing packets
A network device and network technology, applied in the field of network communication, can solve problems such as low efficiency and slow packet forwarding speed, achieve fast forwarding, improve forwarding efficiency, and save time.
Inactive Publication Date: 2019-05-31
AMBIT MICROSYSTEMS (SHANGHAI) LTD
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Problems solved by technology
When another network forwards the processed packet, it often performs operations such as filtering, routing, firewall inspection, and tracking on the packet, resulting in very slow forwarding of the packet and low efficiency.
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[0030] see figure 1 , which is a schematic diagram of an application environment of a network device in an embodiment of the present invention. The network system 100 includes a first network device 10 located in a first network 30 and a second network device 20 located in a second network 40 . Wherein, the first network 30 and the second network 40 respectively apply different network protocols. In this embodiment, the network protocol applied by the first network 30 is IPv4 (Internet Protocol Version 4, Internet Protocol Version 4), and the network protocol applied by the second network 40 is IPv6 (Internet Protocol Version 6, Internet Protocol Version 6). In other implementation manners, the network protocol applied by the first network 30 may also be IPv6, and the network protocol applied by the second network 40 may also be IPv4. The first network device 10 is used for forwarding the packets in the first network 30 to the second network 40 , and receiving and forwarding...
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A network device, located in a first network, for forwarding packets in the first network to a second network, the network device includes an encapsulation module, a judging module, an adding module, and a forwarding module, and the encapsulation module is used to forward packets in the second network The information is encapsulated into the packet to be forwarded to form a second packet; the judging module is used to judge whether the second packet contains transport layer protocol information; the adding module is used to add when the second packet contains transport layer protocol information. The transport layer protocol information is sent to the header of the second packet to form a third packet; the forwarding module is used to forward the third packet to the second network. The invention also provides a method for processing packets. The network device and the method for processing the packet provided by the present invention can process the packet and add corresponding address information and transport layer protocol information, so as to facilitate subsequent fast forwarding of the packet, save time, and improve forwarding efficiency.
Description
technical field [0001] The invention relates to the field of network communication, in particular to a network device and a method for processing packets. Background technique [0002] At present, with the continuous expansion of network scale, many networks with different structures have emerged. When a host in a certain network needs to access another network, the network device in the network needs to process the packet, for example, the relevant forwarding information needs to be encapsulated into the packet, and the processed packet can be forwarded to another network. When another network performs forwarding of the processed packet, operations such as filtering, routing, firewall inspection, and tracking are often performed on the packet, resulting in slow packet forwarding and low efficiency. Therefore, how to properly process the packet in the current network to ensure that another network can quickly and timely forward the processed packet is an urgent problem to b...
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IPC IPC(8): H04L12/951H04L29/06H04L47/43
Inventor 胡志锭
Owner AMBIT MICROSYSTEMS (SHANGHAI) LTD