Message recombination method and network equipment

A network device and message technology, applied in the field of communication, can solve the problem of low efficiency of message fragmentation and recombination, achieve the effect of improving recombination efficiency and reducing transmission delay

Pending Publication Date: 2020-07-03
MAIPU COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Embodiments of the present invention provide a packet reassembly method and network equipmen

Method used

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  • Message recombination method and network equipment
  • Message recombination method and network equipment
  • Message recombination method and network equipment

Examples

Experimental program
Comparison scheme
Effect test

Example

[0071] Example 1: The serial numbers of the packet fragments received by the network device are 1, 2, and 3 respectively. According to the above method, the fragment receiving process is as follows figure 2 shown.

[0072] Specifically, as figure 2 As shown in the figure, after receiving the first packet with the sequence number 1, the network device stores the first packet in the storage unit R[1], and after receiving the packet with the sequence number 2, After fragmentation, append the message fragment to the tail of the fragmentation chain of the storage unit R[1], and record the reorganized fragmentation chain in the storage unit R[2]. After the packet is fragmented, the storage unit R[2] is not empty, and the packet fragment is appended to the end of the fragmentation chain of the storage unit R[2]. Since the packet with the sequence number of 3 is the tail fragment Packet fragmentation, because the fragmentation chain has the flags of the first packet fragment and t...

Example

[0073] Example 2: The serial numbers of the packet fragments received by the network device are 3, 2, and 1 respectively. According to the above method, the fragment receiving process is as follows image 3 shown.

[0074] Specifically, as image 3 As shown in the figure, after receiving the tail piece packet fragment with the sequence number 3, the network device stores the tail piece packet fragment in the storage unit R[3]. After fragmentation, append the message fragment to the header of the fragmentation chain of the storage unit R[3], and record the reorganized fragmentation chain in the storage unit R[3]. After the packet is fragmented, the packet fragment is added to the header of the fragmentation chain of the storage unit R[3]. Since the fragmentation chain has the flags of the first packet fragment and the last packet fragment, Then integrate and submit the shard chain.

Example

[0075] Example 3: The serial numbers of the packet fragments received by the network device are 2, 1, 4, 3, 6, and 5. According to the above method, the fragment receiving process is as follows Figure 4 shown.

[0076] Specifically, as Figure 4As shown, after receiving the packet fragment with the sequence number 2, the network device stores the packet fragment in the storage unit R[2], and after receiving the packet fragment with the sequence number 1, it stores the packet fragment in the storage unit R[2]. The message fragment is appended to the header of the fragment chain in the storage unit R[2], and the reorganized fragment chain is recorded in the storage unit R[2]. After receiving the message fragment with the sequence number 4 Then, the message fragment is stored in the storage unit R[4]. After receiving the message fragment with the sequence number 3, since the adjacent storage units before and after the storage unit R[3] are not empty, then Integrate the message...

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PUM

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Abstract

The embodiment of the invention provides a message recombination method and network equipment, relates to the field of communication, and is used for solving the problem of low efficiency of an existing message fragmentation recombination mode. The method comprises the steps that after any message fragment is received, the serial number of the message fragment is acquired, and a target storage unit corresponding to the message fragment is determined according to the serial number of the message fragment; if a fragmentation chain exists in an adjacent storage unit of a target storage unit corresponding to any message fragment, combining the message fragment to the fragmentation chain, and if the fragmentation chain does not exist in the adjacent storage unit, creating the fragmentation chain containing the message fragment in the target storage unit; and obtaining the target message according to the fragment chain comprising the tail fragment and the first fragment of the target messagecorresponding to any message fragment.

Description

technical field [0001] The invention relates to the communication field, in particular to a message reassembly method and network equipment. Background technique [0002] In the multi-link PPP application scenario, when sending a message, the sending device will split the message into multiple message fragments, and then send them to the receiving device in sequence according to the order in which these message fragments are composed. After receiving these message fragments, the receiving end device can reassemble these message fragments into the original message. However, the packet fragments sent by the sending end device may not be able to reach the receiving end in the order in which they were sent. In this case, the receiving end device needs to spend extra time to reassemble the Get the original message. [0003] In the prior art, after receiving all the message fragments of a certain message, the receiving device usually reads the message fragments sequentially acco...

Claims

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Application Information

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IPC IPC(8): H04L12/861
CPCH04L49/9057
Inventor 何三波
Owner MAIPU COMM TECH CO LTD
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