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A network communication method and device

A technology for network communication and network equipment, applied in the field of network communication methods and devices, can solve the problems of weakening the performance of transmission equipment, increasing memory overhead, increasing memory overflow, etc., so as to avoid memory overflow problems, improve memory overhead, and reduce resource occupation. Effect

Active Publication Date: 2022-03-01
ALIBABA GRP HLDG LTD
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Problems solved by technology

[0003] In the three-layer encapsulation, it is mainly composed of routing table, neighbor table and tables of various scopes. The routing table may also include cache. According to statistics, in many cases, the application of these tables is very simple in the program, even once the network system After the construction is completed, the structure of the corresponding tables will not change substantially. However, these tables must occupy storage space. Moreover, the addition, deletion, modification and query of these tables follow different logics, and the maintenance cost is relatively high.
On the other hand, due to the large number of links, the memory overhead at runtime is increased. In many business scenarios, the program needs to execute query operations multiple times, which increases the possibility of memory overflow.
At the same time, such a design is also relatively vulnerable to arp attacks in terms of security, which weakens the performance of transmission equipment

Method used

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  • A network communication method and device
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Embodiment Construction

[0048] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar promotions without violating the connotation of the present application. Therefore, the present application is not limited by the specific implementation disclosed below.

[0049] As mentioned above, in the existing three-layer data packet encapsulation, data sending and receiving are realized through a routing table (routing table) and a neighbor table. A routing table is a spreadsheet (file) or database-like stored on a router or networked computer. The routing table contains topology information of the network perimeter. The main purpose of establishing the routing table is to implement routing protocols and static route selection; if the destination host and the sender host are not...

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Abstract

The present application discloses a network communication method and device. The method includes: receiving and analyzing the message to obtain the IP address of the destination host; performing a single query on the routing neighbor table according to the IP address of the destination host to obtain the following The physical address and routing type of the one-hop route; according to the physical address and routing type, the message is sent. This application simplifies the whole three-layer packet processing flow and reduces resource occupation.

Description

technical field [0001] The present application relates to the field of network transmission, in particular to a network communication method and device. Background technique [0002] In the process of network transmission, most of them are now implemented using TCP / IP network protocol stack, such as figure 1 As shown, the TCP / IP network protocol stack is divided into four layers: application layer (Application), transport layer (Transport), network layer (Network) and link layer (Link). The process of two computers communicating through the TCP / IP protocol is as follows: figure 2 As shown, when sending, it needs to go through layers of encapsulation from top to bottom, and after reaching the destination host, it should be analyzed from bottom to upper layer, and finally realize the communication between devices. [0003] In the three-layer encapsulation, it is mainly composed of routing table, neighbor table and tables of various scopes. The routing table may also include...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L45/02H04L45/00H04L45/745
CPCH04L45/02H04L45/54H04L45/7453H04L61/103H04L61/58H04L2101/622
Inventor 宋卓
Owner ALIBABA GRP HLDG LTD
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