CN111885596A - Data forwarding system and method based on virtual port - Google Patents
Data forwarding system and method based on virtual port Download PDFInfo
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- CN111885596A CN111885596A CN202010767811.XA CN202010767811A CN111885596A CN 111885596 A CN111885596 A CN 111885596A CN 202010767811 A CN202010767811 A CN 202010767811A CN 111885596 A CN111885596 A CN 111885596A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0205—Traffic management, e.g. flow control or congestion control at the air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
- H04L12/467—Arrangements for supporting untagged frames, e.g. port-based VLANs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Small-Scale Networks (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention provides a data forwarding system and method based on virtual port, comprising a kernel data transmission module, a data forwarding module and a virtual port module, wherein the kernel data transmission module is used for adding a data tunnel head to a corresponding data message according to the data related to the self attribute of equipment participating in transmission, removing the data tunnel head according to the private Ethernet head, analyzing the data attribution of a user message and sending the message to the virtual port on a designated service bridge; and the virtual port driving module is used for butting the data message of the user side and guiding the user data to the corresponding virtual port aiming at different users so as to realize the forwarding of the data. The invention is based on data binding, adds a private Ethernet header, manages user data and realizes stable and safe transmission of service data.
Description
Technical Field
The invention relates to the technical field of wireless communication, in particular to a data forwarding system and method based on a virtual port.
Background
In data communication, the device needs to implement transparency to the user as much as possible, so that the user has no perception on the device participating in transmission in the data transmission process, and meanwhile, due to the particularity of air interface data transmission, the device needs to ensure stable transmission of user data and data security as much as possible.
Disclosure of Invention
The invention aims to provide a data forwarding system and method based on a virtual port, which adds a private Ethernet head to manage user data and realize stable and safe transmission of service data.
The invention provides the following technical scheme:
a virtual port-based data forwarding system, comprising:
the kernel data transmission module is used for adding a data tunnel head to a corresponding data message according to the data related to the self attribute of the equipment participating in transmission, removing the data tunnel head according to the private Ethernet head, analyzing the data attribution of the user message and sending the message to a virtual port on a specified service bridge;
and the virtual port driving module is used for butting the data message of the user side and guiding the user data to the corresponding virtual port aiming at different users so as to realize the forwarding of the data.
A data forwarding method based on virtual ports comprises the following steps:
a1, the data message of the user enters the service bridge from the wired port, and is sent to the air interface drive interface from the sending interface of the virtual port drive module, and meanwhile, a data tunnel head is added to the data message through the kernel data transmission module;
a2, after receiving the data message, the receiving interface of the wireless interface of the opposite terminal releases the data tunnel head through the kernel data transmission module, and sends the data message to the virtual port on the appointed service bridge;
a3, the virtual port driver module forwards the data packet on the virtual port to the corresponding wired port for different users, so as to implement data forwarding.
Preferably, the service bridge of the wireless interface in step a2 is provided with wireless terminal devices corresponding to 8 virtual ports.
Preferably, when the wireless terminal device supports forwarding data with a vlan, in this vlan mode, a plurality of virtual ports and wired ports for receiving data streams with the vlan are created by a vconfig command.
Preferably, the kernel data transmission module in step a1 adds a data tunnel header to the corresponding data packet according to the data related to the own attribute of the device participating in transmission, so as to use a private ethernet header.
The invention has the beneficial effects that: the method can ensure that the user data is transparently transmitted in the equipment, keep the user address information not to be presented in an air interface medium in an air interface encryption state, and simultaneously bind different virtual interfaces to different terminals aiming at a multi-terminal environment to realize respective management and ensure stable transmission; the invention is based on data binding, adds a private Ethernet header, manages user data and realizes stable and safe transmission of service data.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flowchart of the overall process of the present invention in the default mode;
FIG. 2 is a diagram of air interface data encapsulation in a default mode according to the present invention;
FIG. 3 is a flowchart of the overall processing in the vlan mode according to the present invention;
fig. 4 is an air interface data encapsulation diagram in vlan mode according to the present invention.
Detailed Description
As shown in fig. 1 to 4, a virtual port-based data forwarding system includes:
the kernel data transmission module is used for adding a data tunnel head to a corresponding data message according to the data related to the self attribute of the equipment participating in transmission, removing the data tunnel head according to the private Ethernet head, analyzing the data attribution of the user message and sending the message to a virtual port on a specified service bridge;
and the virtual port driving module is used for butting the data message of the user side and guiding the user data to the corresponding virtual port aiming at different users so as to realize the forwarding of the data.
A data forwarding method based on virtual ports comprises the following steps:
a1, the data message of the user enters the service bridge from the wired port, and is sent to the air interface driving interface from the sending interface of the virtual port driving module, and meanwhile, a data tunnel head is added to the data message through the kernel data transmission module;
a2, after receiving the data message, the receiving interface of the wireless interface of the opposite terminal releases the data tunnel head through the kernel data transmission module, and sends the data message to the virtual port on the appointed service bridge;
a3, the virtual port driving module forwards the data packet on the virtual port to the corresponding wired port aiming at different users, so as to realize the forwarding of data.
Wherein, the service bridge of the wireless interface of step a2 is provided with wireless terminal devices corresponding to 8 virtual ports, when the wireless terminal device supports forwarding data with vlan, in this vlan mode, several virtual ports and wired ports for receiving data stream with vlan are created through vconfig command, the kernel data transmission module of step a1 adds data tunnel header to corresponding data message according to the data related to the own attribute of the device participating in transmission, so as to use private ethernet header.
As shown in fig. 1-2, in a default mode, a data packet enters a service bridge from a wired port, and is sent to an air interface driver interface wlan0 from a sending interface of a virtual port, and after receiving the data packet, a wireless interface wlan0 of an opposite end sends the data packet to a virtual port on the service bridge, and then forwards the data packet to a specified wired port through a virtual port driver module, so as to implement data forwarding.
As shown in fig. 3 to fig. 4, the device supports forwarding data with vlan, the implementation logic is consistent with the default mode, and data forwarding is implemented through the virtual port driver module and the kernel data transmission module.
In vlan mode, several virtual ports and wired ports are created to receive data streams with vlans by means of vconfig commands. A message with VLAN enters a service VLAN100 bridge from a port of a wire port VLAN100, the message is sent from a sending interface of a virtual VLAN100 to an air interface driving interface wlan0, after a receiving interface of an opposite-end wlan0 receives the message, the message is sent to the virtual port VLAN100 on the service VLAN100 bridge corresponding to the VLAN, and then the message is forwarded to a specified wire port through a virtual port driving module, so as to implement service forwarding.
The invention has the beneficial effects that: the method can ensure that the user data is transparently transmitted in the equipment, keep the user address information not to be presented in an air interface medium in an air interface encryption state, and simultaneously bind different virtual interfaces to different terminals aiming at a multi-terminal environment to realize respective management and ensure stable transmission; the invention is based on data binding, adds a private Ethernet header, manages user data and realizes stable and safe transmission of service data.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A virtual port-based data forwarding system, comprising:
the kernel data transmission module is used for adding a data tunnel head to a corresponding data message according to the data related to the self attribute of the equipment participating in transmission, removing the data tunnel head according to the private Ethernet head, analyzing the data attribution of the user message and sending the message to a virtual port on a specified service bridge;
and the virtual port driving module is used for butting the data message of the user side and guiding the user data to the corresponding virtual port aiming at different users so as to realize the forwarding of the data.
2. A data forwarding method based on virtual ports is characterized by comprising the following steps:
a1, the data message of the user enters the service bridge from the wired port, and is sent to the air interface drive interface from the sending interface of the virtual port drive module, and meanwhile, a data tunnel head is added to the data message through the kernel data transmission module;
a2, after receiving the data message, the receiving interface of the wireless interface of the opposite terminal releases the data tunnel head through the kernel data transmission module, and sends the data message to the virtual port on the appointed service bridge;
a3, the virtual port driver module forwards the data packet on the virtual port to the corresponding wired port for different users, so as to implement data forwarding.
3. The virtual port-based data forwarding method according to claim 2, wherein the service bridge of the wireless interface in step a2 is provided with wireless terminal devices corresponding to 8 virtual ports.
4. The method as claimed in claim 3, wherein when the wireless terminal device supports vlan-based data forwarding, in vlan mode, a plurality of virtual ports and wired ports for receiving vlan-based data streams are created by using a vconfig command.
5. The virtual port-based data forwarding method according to claim 2, wherein the kernel data transmission module in step a1 adds a data tunnel header to the corresponding data packet according to the data related to the self-attribute of the device participating in transmission, so as to use a private ethernet header.
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| CN202010767811.XA CN111885596A (en) | 2020-08-03 | 2020-08-03 | Data forwarding system and method based on virtual port |
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