CN107770196B - Network data unidirectional processing platform based on wireless communication module and SOC chip - Google Patents
Network data unidirectional processing platform based on wireless communication module and SOC chip Download PDFInfo
- Publication number
- CN107770196B CN107770196B CN201711217598.XA CN201711217598A CN107770196B CN 107770196 B CN107770196 B CN 107770196B CN 201711217598 A CN201711217598 A CN 201711217598A CN 107770196 B CN107770196 B CN 107770196B
- Authority
- CN
- China
- Prior art keywords
- network
- port
- wireless communication
- unidirectional
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004891 communication Methods 0.000 title claims abstract description 40
- 238000012545 processing Methods 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 238000011161 development Methods 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000007639 printing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
- H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/12—Protocol engines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
Abstract
The invention discloses a network data unidirectional processing platform based on a wireless communication module and an SOC chip. The platform comprises two ZYNQ chips and a wireless communication module, wherein the wireless communication module is connected with one ZYNQ chip, a radio frequency antenna is arranged outside the wireless communication module, a SIM card is placed in a clamping groove, two chips are respectively provided with two network ports and a serial port, one network port is connected with a network line for an ordinary network port, the other network port is a unidirectional transmission network port, and the unidirectional transmission network ports of the two chips are connected by using one light ray, so that a unidirectional passage is realized. The invention realizes gigabit unidirectional transmission from a driving layer of a design layer, and captures, processes and forwards any wireless wired network data packet by utilizing a network data packet engine libpcap to perform secondary call development.
Description
Technical Field
The invention relates to wireless communication, in particular to a network data unidirectional processing platform based on a wireless communication module and an SOC chip.
Background
At present, on the technical realization of a network data unidirectional transceiving processing platform by utilizing an SOC chip to realize a wired and wireless network port, the integration of both the wired and wireless network ports on the SOC chip is less, and the unidirectional data transmission scheme of the network port between the SOC chips is less realized. The scheme that the unidirectional transmission is realized by constructing an Ethernet and combining a bottom layer driver on an SOC chip PL is less in the prior art, hundreds of megabits are realized by a special unidirectional transmission chip, and giga unidirectional transmission is not realized by a special chip.
Disclosure of Invention
In view of the state of the art, the invention provides a network data unidirectional processing platform based on a wireless communication module and an SOC chip. The processing platform is an ARM LINUX system which accesses a wireless communication module SIM7600CE into a SOC chip ZYNQ (programmable logic ARM processing chip) to realize a wireless network port of the ZYNQ, and meanwhile, a plurality of network port peripheral devices are built by utilizing PL (programmable logic) resources of the ZYNQ chip to realize a wired network port, wherein PS (processing system) realizes a unidirectional transmission function of a kilomega network port from a bottom layer driver, and a network unidirectional data packet receiving and transmitting processing platform is realized by controlling a LINUX kernel bottom layer driver and a network packet receiving engine.
Aiming at the limitation of technology fusion and expansion application of the existing embedded SOC chip ZYNQ in the aspect of a network data packet processing platform, the invention carries a wireless communication module SIM7600CE to realize wireless access, realizes multi-network port expansion of user requirements through the expansibility and designability of an Ethernet IP core of PL of the ZYNQ, modifies a LINUX kernel bottom layer driver to realize the function of gigabit unidirectional transmission, solves the unidirectional transmission difficulty of the gigabit network port, and realizes the service flows of capturing, processing and forwarding of the network data packet by utilizing a network data packet capturing open source library LIBPCAP based on an ARM LINUX platform. A whole set of network data packet processing platform capable of expanding peripheral interfaces and used for multi-service scene application is formed.
The technical scheme adopted by the invention is as follows: the network data unidirectional processing platform based on the wireless communication module and the SOC chip is characterized by comprising two ZYNQZ7030 chips and a wireless communication module SIM7600CE, wherein the wireless communication module SIM7600CE is connected with a first ZYNQZ7030 chip through OTG-USB pins, the wireless communication module SIM7600CE is used for carrying out wireless communication on an externally arranged radio frequency antenna and is provided with a clamping groove for placing a SIM card, the two ZYNQZ7030 chips are respectively provided with two network ports and a serial port, one network port is connected with a network cable to the outside of a common network port, the other network port is a unidirectional transmission network port and is used for inserting an optical module, and meanwhile, one light is used for connecting the unidirectional transmission network ports of the two ZYNQZ7030 chips to realize unidirectional access; both ZYNQZ7030 chips contain unidirectional transmission network port drivers; the two ZYNQZ7030 chips respectively contain network data packet capturing, processing and forwarding service programs; each chip is powered by a power module.
The unidirectional transmission network port driver program of the invention executes the following procedures: the unidirectional transmission network port driving flow firstly carries out the initialization operation of the phy by the Ethernet phy driver, reads the corresponding configuration in the equipment tree devicetree, wherein the configuration comprises the type identification of 1000base PCS/PMA, judges the phy address, cancels the auto-negotiation in the control register if the allocated phy address is exactly the Ethernet needing to realize unidirectional transmission, sets the auto-negotiation to be in an off state, and directly enters the timing reading function of the Ethernet phy state by skipping the step if the port is a normal Ethernet port, acquires the speed and the duplex mode, and realizes the link up state of the Ethernet.
The network data packet capturing, processing and forwarding service program of the invention executes the following procedures: firstly, reading and analyzing the name and receiving mode of the data inflow network port input by a user, and sending the name and the sending mode of the data stream and filtering the data stream; secondly, determining whether to walk the Libpcap package or the socket package according to a package receiving mode defined by a user, compiling a filtering rule for recycling package receiving if the Libpcap package is received and the filtering rule is needed, and establishing a socekt connection through an ip and a port input by the user if the socket package receiving mode is used for receiving data; and after the received data is processed, according to the transmission setting input by the user, if the transmission is the Libpcap transmission, the transmission function pcap_sendcard of the Libpcap is used for transmitting the data, and if the transmission is the socket mode, the data is transmitted through a socket.
The beneficial effects of the invention are as follows: the flexible designability of PL and PS of the SOC chip ZYNQ is utilized, a plurality of Ethernet ports can be flexibly expanded in the PL design according to the service scene requirement of the network data packet processing platform, meanwhile, the accessibility of a wireless communication module SIM7600CE in the ZYNQZ7030 chip can be utilized, the visibility of the wireless network port of the wireless communication module SIM7600CE in the ZYNQZ7030 chip is realized from a linux kernel driving layer of the PS, and then the access of the wireless network port of the ZYNQ chip is realized. The designability and the expansibility of the platform are remarkable advantages, and in different service scenes, the external network port can be expanded according to the required network input number and is connected into a linux operating system to carry out logic processing of a software layer.
The invention realizes gigabit unidirectional transmission from the driving layer of the design layer, and simultaneously utilizes the network data packet engine libpcap to carry out secondary call development to realize the capturing processing and forwarding of any wireless and wired network data packet.
Drawings
FIG. 1 is a block diagram of the hardware architecture of the present invention;
FIG. 2 is a flow chart of a unidirectional transport portal driver of the present invention;
fig. 3 is a flowchart of a network packet capturing and forwarding service procedure according to the present invention.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Referring to fig. 1, the processing platform includes two ZYNQZ7030 chips and a wireless communication module SIM7600CE, where the wireless communication module SIM7600CE is connected with the first ZYNQZ7030 chip through OTG-USB pins, the wireless communication module SIM7600CE performs wireless communication on a radio frequency antenna arranged outside, and meanwhile, is provided with a card slot for placing a SIM card, the two ZYNQZ7030 chips are respectively provided with two network ports and a serial port, one network port is a common network port for connecting with a network cable, and the other network port is a unidirectional transmission network port for inserting an optical module, and meanwhile, one light is used to connect the unidirectional transmission network ports of the two ZYNQZ7030 chips, so as to realize a unidirectional path; the two ZYNQZ7030 chips respectively contain network data packet capturing, processing and forwarding service programs; each chip is powered by a power module.
The wireless communication module SIM7600CE is connected with the ZYNQ chip to realize the access and expansion of the wireless network port, the ZYNQ chip realizes a plurality of network ports through the flexible designability of PL, the unidirectional network port is modified and realized through the kernel drive of LINUX, therefore, data flow can enter from the wireless network port, the wired network port and the unidirectional network port, and the forwarding processing service of the network data packet is realized through service processing software which is developed and realized based on LIBPCAP library under the LINUX system. The specific implementation is described in detail in the following points:
1. access of wireless communication module SIM7600CE in SOC chip ZYNQ
According to the bottom layer driver under the linux of the wireless communication module SIM7600CE, the bottom layer driver is fused into the linux kernel source code, the driving enabling configuration of the wireless communication module SIM7600CE is increased, the corresponding driving code in the USB peripheral driving option.c in the USB driving is modified, the kernel is compiled to generate a corresponding kernel image file uImage, and the support and loading of the USB Serial in the kernel are realized.
After the wireless communication module SIM7600CE is successfully loaded, the USB Serial corresponding to the wireless communication module SIM7600CE is visible under the/dev/catalog in the linux system of the ZYNQ chip. When the Linux operating system is powered on, printing information of/dev/ttyUSB 1-4 is shown as follows, and the serial ports can be used for controlling AT instructions.
Printing information:
shell script is developed to realize AT network control instruction and dial-up networking instruction of the wireless communication module SIM7600 CE. The wireless network card wwan0 of the wireless communication module SIM7600CE appears in ARM Linux of the ZYNQ chip, a udhcpc client is deployed, the ip is automatically acquired, a base station distributes a dynamic ip to the wwan0, and the wireless network access function is realized.
Meanwhile, the processing platform is provided with the vpn client of xl2tpd, so that the login of the vpn client of l2tpd can be realized, the information such as a vpn account name, a password, a vpn server ip and the like is configured, the account distributed by the vpn server can be logged in by utilizing the internet surfing capability of wwan0, one role of the vpn client of the processing platform is realized, the data transmission can be carried out with any other types of vpn clients in a network, and the wireless data interaction flow is realized.
The wireless communication module SIM7600CE is connected to the first ZYNQZ7030 chip by compiling the driver into the Linux kernel to achieve the network port identification of the wireless communication module SIM7600CE by the ZYNQZ7030 chip, and the network function of the wireless communication module SIM7600CE is opened by the control script program, and the wireless vpn access is realized by the deployment configuration of the vpn client xl2tpd and the vpn account login script program.
1000base PCS/PMA gigabit Ethernet port unidirectional transmission realization of ZYNQ
The PL design of the ZYNQ chip realizes 1000base PCS/PMA Ethernet port design expansion, the LINUX kernel realizes Ethernet phy drive compiling, and simultaneously modifies phy drive for realizing unidirectional transmission, and in a modified control register, setting of auto-negotiation closes auto-negotiation to enable a drive layer to realize an Ethernet port link up state when unidirectional connection is realized. The specific flow is shown in fig. 2.
Referring to fig. 2, the unidirectional transport portal driver performs the following procedure: the unidirectional transmission network port driving flow firstly carries out the initialization operation of the phy by the Ethernet phy driver, reads the corresponding configuration in the equipment tree devicetree, wherein the configuration comprises the type identification of 1000base PCS/PMA, judges the phy address, cancels the auto-negotiation in the control register if the allocated phy address is exactly the Ethernet needing to realize unidirectional transmission, sets the auto-negotiation to be in an off state, and directly enters the timing reading function of the Ethernet phy state by skipping the step if the port is a normal Ethernet port, acquires the speed and the duplex mode, and realizes the link up state of the Ethernet.
In order to match with 1000base PCS/PMA Ethernet PL design, a device tree file required by power-on startup of a ZYNQ chip needs to be configured, information such as a phy related address, an associated drive name and the like is configured, and meanwhile, a device tree file devicetree. Dtb required to be read during power-on is generated.
When the linux kernel is compiled, compiling is carried out to enter a modified phy driver and a mac driver corresponding to the mac, and compiling is carried out to generate a linux kernel image file uImage.
The power-on start logs in the ARM LINUX system, and the ifconfig can see the newly added network port, such as eth0.
The design steps of the common Ethernet port needing auto-negotiation are also according to the above flow, but the automatic negotiation is automatically identified whether to be closed or not according to the allocated phy address in the phy drive, so that the expansion of the multi-network port is realized by the design flow.
3. Frame for receiving, processing and forwarding network data packet
And designing a plurality of wireless wired network ports according to service requirements, and utilizing a network capture data packet library libpcap to capture, process and forward the network data packets. The business framework operational flow is shown in fig. 3.
Referring to fig. 3, the network packet capturing process forwarding service program performs the following flow: firstly, reading and analyzing the name and receiving mode of the data inflow network port input by a user, and sending the name and the sending mode of the data stream and filtering the data stream; secondly, determining whether to walk the Libpcap package or the socket package according to a package receiving mode defined by a user, compiling a filtering rule for recycling package receiving if the Libpcap package is received and the filtering rule is needed, and establishing a socekt connection through an ip and a port input by the user if the socket package receiving mode is used for receiving data; and again, after the received data is processed, according to the transmission setting input by the user,
if the transmission is the Libpcap, the transmission function pcap_sendcard of the Libpcap is used for transmitting data, and if the transmission is the socket mode, the data is transmitted through a socket. Thereby realizing a data path from any network port to any network port.
The network port network data packet receives, processes and forwards the network port and captures the processing mode, etc. of the network port that the service frame opens user-defined parameter, the user can define the network port that the data is input and output at will, add the function of the filtering rule, can realize the five-tuple filtering.
The service framework realizes that any network port designed and output by the service platform is used as data input, any network port is used as data output, captures, processes and forwards service scenes of network data packets, reserves a service interface of a data processing module, and can process service data according to different data characteristics. The service framework supports data access in two modes of Libpcap and socket, and can be used for clients to arbitrarily specify data receiving and transmitting modes; and supporting a mode of simultaneously accessing data of a plurality of socekt modes or a mode of accessing mixed data of a libpcap mode and a socket mode.
The Libpcap mode data access and output call the encapsulated library functions corresponding to the Libpcaps respectively, meanwhile, the Libpcap mode data access and output device has the function of filtering network data packets, and a user can put the filtering rules into input parameters to carry out customized network data screening output.
Examples: the invention needs to insert a SIM card on the network in the SIM card slot, meanwhile, the radio frequency antenna on the platform equipment is screwed, the external network port is connected with the network line of the network, the internal unidirectional transmission is connected by using an optical module AT two ends by using an optical fiber, after the network data packet unidirectional receiving and transmitting processing platform equipment which is built based on the wireless communication module SIM7600 and the SOC chip ZYNQ is electrified, the network data packet unidirectional receiving and transmitting processing platform equipment enters a linux operating system of the ZYNQ, an AT instruction script which controls the SIM7600 network is executed in the linux platform, so that the wireless network function of the SIM7600 is opened, and simultaneously, the functions of wwan0 for acquiring ip and logging in a fixed vpn account are executed, so that the platform equipment has a vpn local area network ip. And executing the executable program of the data packet service processing framework, inputting the network data access input and output modes and network ports which need to be defined, and writing the filtering parameters according to the requirements. And executing to realize the data input and output process of the network path. The data path function of the platform can be realized as long as the network access and the network exit are both provided with network cable access or wireless vpn is provided with data input. The operation steps can be integrated into a power-on self-starting script, the execution of the power-on self-starting script is added into rc.local, so that the requirements of service scenes can be met as long as the platform equipment is powered on, the access of network data is realized, and the unidirectional property of the access is ensured.
According to the implementation scheme of the wireless network port, the visibility of the wireless network port in a ZYNQ chip linux operating system is realized through compiling of a bottom layer driver on a linux kernel source code, and the aim of wireless network communication of the ZYNQ chip is fulfilled by utilizing the internet surfing function of a sim card; the wired network port is a network port built by 1000BASE PCS/PMA (Ethernet IP core) based on Xilinx, and the state of unidirectional network port link up (connection establishment success) is realized by modifying the function of a bottom driving layer, so that the purpose of unidirectional data transmission is achieved.
The invention solves the technical difficulty of unidirectional transmission of network data packets under gigabit, and the unidirectional data transmission function of the invention solves the application of service scenes with high confidentiality requirements on data, ensures that the data can not be input and output, ensures the safety of the data, and is a breakthrough for realizing unidirectional transmission on the software driving level. The network data packet capturing, processing and forwarding service framework provided by the invention can realize the functions of access, rule filtering, processing, forwarding and the like of network data services in any mode, can customize the assignment of an access path of data according to service scenes, can access one or a plurality of external Ethernet ports to a network cable, and the other end of the network cable is accessed to a pc machine with data source transmission, wherein the pc machine circularly transmits data, can realize unidirectional transmission of an internal data path through the unidirectional receiving and sending processing platform of the network data packet, and the network port of the data output path assigned by a user of the platform can be accessed to the pc machine through a network cable, can receive complete transmission source data through a wire, and proves the path accessibility of the unidirectional receiving and sending processing platform of the network data packet.
Claims (2)
1. The network data unidirectional processing platform based on the wireless communication module and the SOC chip is characterized by comprising two ZYNQZ7030 chips and a wireless communication module SIM7600CE, unidirectional transmission is realized through a 1000base PCS/PMA gigabit Ethernet port of the ZYNQZ7030 chips, wherein the wireless communication module SIM7600CE is connected with a first ZYNQZ7030 chip through an OTG-USB pin, a radio frequency antenna is arranged outside the wireless communication module SIM7600CE for wireless communication, a clamping groove is arranged for placing a SIM card, two ZYNQZ7030 chips are respectively provided with two network ports and a serial port, one network port is connected with a network cable for the external use of a common network port, and the other network port is a unidirectional transmission network port for inserting an optical module, and simultaneously, the unidirectional transmission network ports of the two ZYNQZ7030 chips are connected by using one light to realize unidirectional access; both ZYNQZ7030 chips contain unidirectional transmission network port drivers; the two ZYNQZ7030 chips respectively contain network data packet capturing, processing and forwarding service programs; each chip is powered by a power module;
the unidirectional transmission network port driver executes the following procedures: the unidirectional transmission network port driving flow firstly carries out the initialization operation of the phy by the Ethernet phy driver, reads the corresponding configuration in the equipment tree devicetree, wherein the configuration comprises the type identification of 1000base PCS/PMA, judges the phy address, cancels the auto-negotiation in the control register if the allocated phy address is exactly the Ethernet needing to realize unidirectional transmission, sets the auto-negotiation to be in an off state, and directly enters the timing reading function of the Ethernet phy state by skipping the step if the port is a normal Ethernet port, acquires the speed and the duplex mode, and realizes the link up state of the Ethernet.
2. The unidirectional network data processing platform of claim 1, wherein the network data packet capturing and forwarding service program executes the following procedures: firstly, reading and analyzing the name and receiving mode of the data inflow network port input by a user, and sending the name and the sending mode of the data stream and filtering the data stream; secondly, determining whether to walk the Libpcap package or the socket package according to a package receiving mode defined by a user, compiling a filtering rule for recycling package receiving if the Libpcap package is received and the filtering rule is needed, and establishing socket connection through an ip and a port input by the user if the socket package is received, so as to receive data; and after the received data is processed, according to the transmission setting input by the user, if the transmission is the Libpcap transmission, the transmission function pcap_sendcard of the Libpcap is used for transmitting the data, and if the transmission is the socket mode, the data is transmitted through a socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711217598.XA CN107770196B (en) | 2017-11-28 | 2017-11-28 | Network data unidirectional processing platform based on wireless communication module and SOC chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711217598.XA CN107770196B (en) | 2017-11-28 | 2017-11-28 | Network data unidirectional processing platform based on wireless communication module and SOC chip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107770196A CN107770196A (en) | 2018-03-06 |
| CN107770196B true CN107770196B (en) | 2024-01-30 |
Family
ID=61276319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711217598.XA Active CN107770196B (en) | 2017-11-28 | 2017-11-28 | Network data unidirectional processing platform based on wireless communication module and SOC chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107770196B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108924017A (en) * | 2018-06-27 | 2018-11-30 | 湖南中车时代通信信号有限公司 | A kind of rail traffic embedded radio equipment dialing processing system |
| CN109302355A (en) * | 2018-11-23 | 2019-02-01 | 华东师范大学 | A kind of four tunnels, ten thousand mbit ethernet security switch based on ZYNQ |
| CN113489594B (en) * | 2021-06-04 | 2023-12-19 | 北京中航双兴科技有限公司 | PCIE real-time network card based on FPGA module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401741A (en) * | 2013-08-14 | 2013-11-20 | 北京泽华源科技有限公司 | Integrated circuit and data processing method |
| CN104050120A (en) * | 2014-06-12 | 2014-09-17 | 曹学良 | Device used for converting single-chip network into multi-serial port |
| CN207588910U (en) * | 2017-11-28 | 2018-07-06 | 天津光电通信技术有限公司 | The unidirectional processing platform of network data |
-
2017
- 2017-11-28 CN CN201711217598.XA patent/CN107770196B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401741A (en) * | 2013-08-14 | 2013-11-20 | 北京泽华源科技有限公司 | Integrated circuit and data processing method |
| CN104050120A (en) * | 2014-06-12 | 2014-09-17 | 曹学良 | Device used for converting single-chip network into multi-serial port |
| CN207588910U (en) * | 2017-11-28 | 2018-07-06 | 天津光电通信技术有限公司 | The unidirectional processing platform of network data |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107770196A (en) | 2018-03-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10292027B2 (en) | Zero-touch Wi-Fi | |
| JP7012836B2 (en) | Network slice management method and equipment | |
| CN107770196B (en) | Network data unidirectional processing platform based on wireless communication module and SOC chip | |
| CN110506411B (en) | Method and system for providing packet enforcement using logical ports in a virtualized computing environment | |
| WO2020131121A1 (en) | Modular system for internet of things | |
| CN104159321B (en) | Wi-Fi configuration method and system | |
| Ochoa Aday et al. | Current trends of topology discovery in OpenFlow-based software defined networks | |
| CN1826769A (en) | Virtual network device | |
| CN111796858A (en) | Method, system and related equipment for access detection of application programs in Kubernetes cluster | |
| US8489715B2 (en) | Identifying and downloading an application associated with a service registered in a home network | |
| CN114189905A (en) | Message processing method and related equipment | |
| US20150365837A1 (en) | System for testing base station | |
| CN207588910U (en) | The unidirectional processing platform of network data | |
| US20160261418A1 (en) | Power over ethernet (poe) powered network adapter incorporating open vswitch (ovs) and fabric attach (fa) capabilities | |
| US10177973B2 (en) | Communication apparatus, communication method, and communication system | |
| CN114071510A (en) | Communication method and device | |
| KR101481410B1 (en) | Memory card device | |
| CN104133963A (en) | FPGA hardware abstraction layer based on high-speed serial bus and implement method thereof | |
| Iqbal et al. | A comprehensive tutorial on how to practically build and deploy 5G networks using open-source software and general-purpose, off-the-shelf hardware | |
| CN105099770A (en) | Spatial wireless plug and play system | |
| EP4145729A1 (en) | Port state configuration method, apparatus, system, and storage medium | |
| US20130124715A1 (en) | Applet synchronization across multiple routers | |
| Cafini et al. | Standard-based approach to programmable hybrid networks | |
| CN105024847A (en) | Network management system of a single-server multi-network-equipment adapter, and a configuration, start, and operation method of the single-server multi-network-equipment adapter | |
| CN112532405A (en) | Software Defined Network (SDN) network construction method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |