CN217883463U - Transfer device and transfer system - Google Patents
Transfer device and transfer system Download PDFInfo
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- CN217883463U CN217883463U CN202222251624.3U CN202222251624U CN217883463U CN 217883463 U CN217883463 U CN 217883463U CN 202222251624 U CN202222251624 U CN 202222251624U CN 217883463 U CN217883463 U CN 217883463U
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Abstract
The application provides a forwarding device and a forwarding system, comprising: the system comprises a path selection module, a switching module and a main control module; the path selection module is provided with a first end and a second end, the exchange module is provided with a first end and a second end, and the main control module is provided with a first end and a second end; the first end of the path selection module and the first end of the exchange module are in data communication; the second end of the path selection module is in data communication with the first end of the main control module; and the second end of the exchange module and the second end of the main control module are in data communication. The forwarding device is used for dynamically forwarding the service between the two devices, and by adding the parallel processing chip, dynamic analysis can be performed on the service data while the service is forwarded, so that whether the service data is wrong or not and the service data correctly arrives at the target device can be monitored in real time.
Description
Technical Field
The present application relates to communications technologies, and in particular, to a forwarding device and a forwarding system.
Background
It is well known that network security devices are commonly used between two or more networks, such as between an intranet and an extranet. The APP in the network security device analyzes the data packet passing through the network to determine whether a threat exists, and transmits the data packet according to a certain routing rule after processing. If the network security device fails, such as a power outage or a crash, the network segments must also be associated with each other because the network security device is connected to the network security device. At this time, each network must be connected to each other.
A conventional forwarding device is a three-layer routing device, which queries routing table information by identifying a network layer address (IP address) of a packet of a previous-hop device, and forwards the packet to a next-hop device according to a destination address.
In the existing device, only the forwarding of the service can be realized, and the service data cannot be analyzed while the service is forwarded.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a forwarding device and forwarding system for solve the problem that current equipment can not carry out the analysis to business data when the business is forwarded.
To achieve the above object, an embodiment of the present application provides a forwarding device, including:
the system comprises a path selection module, an exchange module and a main control module;
the switching module is provided with a first end and a second end, and the main control module is provided with a first end and a second end;
the first end of the path selection module and the first end of the exchange module are in data communication; the second end of the path selection module is in data communication with the first end of the main control module;
and the second end of the exchange module and the second end of the main control module are in data communication.
In one embodiment, the path selection module specifically includes a first optical add-drop chip, a second optical add-drop chip, and a parallel processing chip;
the parallel processing chip is provided with a first port, a second port and a third port;
the first port of the first optical branching chip and the first end of the exchange module are in data communication; the second port of the first optical division chip is in data communication with the parallel processing chip; the third port of the first optical division chip and the first port of the second optical division chip are in data communication;
and the first port of the parallel processing chip is in data communication with the first end of the main control module.
In an embodiment, the path selection module further includes a level control chip;
the level control chip is provided with a first port and a second port; the main control module is also provided with a third end;
the first port of the level control chip is in data communication with the third end of the main control module; the second port of the level control chip is in data communication with the first optical branching chip; the second port of the level control chip is also in data communication with the parallel processing chip.
In an embodiment, the switching module specifically includes a forwarding engine chip and a data forwarding chip;
the data forwarding chip is provided with a first port and a second port; the forwarding engine chip is provided with a first port and a second port;
the first port of the data forwarding chip and the first port of the forwarding engine chip are in data communication; the second port of the data forwarding chip is in data communication with the first port of the first optical branching chip;
and the second port of the forwarding engine chip is in data communication with the second end of the main control module.
In an embodiment, the forwarding device further comprises a first network interface module;
the first network interface module is provided with a first end; the exchange module is also provided with a third end; the data forwarding chip is also provided with a third port;
the first end of the first network interface module is in data communication with the third end of the exchange module, and the first end of the first network interface module is also in data communication with the third port of the data forwarding chip.
In an embodiment, the forwarding device further comprises a second network interface module;
the second network interface module is provided with a first end, a second end and a third end; the path selection module is also provided with a third end; the parallel processing chip is also provided with a third port; the second optical tapping chip is also provided with a second port;
the first end of the second network interface module and the third end of the path selection module are in data communication; the second end of the second network interface module is in data communication with the third port of the parallel processing chip; and the first end of the second network interface module is in data communication with the second port of the second optical division chip.
In one embodiment, the path selection module further comprises a switch submodule;
the switch submodule is provided with a first end, a second end and a third end; the second optical branching chip is also provided with a second port;
the first end of the switch submodule is in data communication with the second port of the level control chip; when the level control chip outputs a high level, the second end of the switch submodule and the second port of the parallel processing chip are in data communication; and when the level control chip outputs a low level, the third end of the switch submodule is in data communication with the second port of the first optical distribution chip.
In an embodiment, the first network interface module, the second network interface module, the first optical add-drop chip, the second optical add-drop chip, and the parallel processing chip are integrated chips.
In an embodiment, the power supply unit is connected to the power supply end of the path selection module, the power supply unit is connected to the power supply end of the switching module, and the power supply unit is connected to the power supply end of the main control module.
Another embodiment of the present application provides a forwarding system, including: forwarding equipment, previous hop equipment, next hop equipment and upper management equipment;
the forwarding equipment and the previous hop equipment carry out data communication, and the forwarding equipment and the next hop equipment carry out data communication; and the forwarding equipment and the upper management equipment carry out data communication.
The application provides a forwarding device and a forwarding system, comprising: the system comprises a path selection module, a switching module and a main control module; the switching module is provided with a first end and a second end, and the main control module is provided with a first end and a second end; the first end of the path selection module and the first end of the exchange module are in data communication; the second end of the path selection module is in data communication with the first end of the main control module; and the second end of the exchange module and the second end of the main control module are in data communication. The forwarding device is used for dynamically forwarding the service between the two devices, and by adding the parallel processing chip, the service data can be dynamically analyzed while the service is forwarded, so that whether the service data is wrong or not and the service data correctly arrives at the target device can be monitored.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of a forwarding device according to an embodiment of the present application;
fig. 2 is a schematic diagram of a forwarding device according to another embodiment of the present application;
fig. 3 is a schematic diagram of a forwarding device according to another embodiment of the present application;
FIG. 4 is a schematic diagram of an integrated chip according to yet another embodiment of the present application;
fig. 5 is a schematic diagram of a forwarding system according to another embodiment of the present application.
The reference numbers illustrate:
| reference numerals | Name(s) |
| 10 | |
| 101 | First |
| 102 | |
| 1021 | |
| 1022 | |
| 103 | |
| 104 | |
| 1041 | Level control chip |
| 1042 | |
| 1043 | First |
| 1044 | Second |
| 1045 | |
| 105 | Second |
| 20 | |
| 30 | |
| 40 | |
| 50 | |
| 60 | |
| 70 | Integrated chip |
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
It is well known that network security devices are commonly used between two or more networks, such as between an intranet and an extranet. The APP in the network security device analyzes the data packet passing through the network to determine whether a threat exists, and transmits the data packet according to a certain routing rule after processing. If the network security device fails, such as a power outage or a crash, the network segments must also be associated with each other because the network security device is connected to the network security device. At this time, each network must be connected to each other.
The conventional forwarding device is a three-layer routing device, which queries routing table information by identifying a network layer address (IP address) of a packet of a previous-hop device, and forwards the packet to a next-hop device according to a destination address.
In the existing equipment, only the forwarding of the service can be realized, and the service data cannot be analyzed while the service is forwarded.
In view of the above problems, embodiments of the present application provide a forwarding device and a forwarding system, which aim to solve the problem that the existing device cannot analyze service data while forwarding service. The technical idea of the application is as follows: provided are a forwarding apparatus and a forwarding system including: the system comprises a path selection module, an exchange module and a main control module; the switching module is provided with a first end, a second end and a third end, and the main control module is provided with a first end, a second end and a third end; the first end of the path selection module and the first end of the exchange module are in data communication; the second end of the path selection module is in data communication with the first end of the main control module; and the second end of the exchange module and the second end of the main control module are in data communication. The forwarding device is used for dynamically forwarding the service between the two devices, and by adding the parallel processing chip, dynamic analysis can be performed on the service data while the service is forwarded, so that whether the service data is wrong or not and the service data correctly arrives at the target device can be monitored.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Fig. 1 is a forwarding device according to a first embodiment of the present application. As shown in fig. 1, the forwarding device 10 provided in this embodiment includes a first network interface module 101, a second network interface module 105, a main control module 103, a switching module 102, and a path selection module 104.
The first network interface module 101 is used for receiving data information, and the first network interface module 101 is used for transmission at a high communication rate, such as a set-top box, a digital video recorder, an ethernet network, a remote controller, and the like. The first network interface module 101 can meet the requirement that the main control single chip microcomputer is connected with other equipment without the support of an operating system, and is widely applied to the fields of various safety monitoring, audio and video transmission, remote information transmission and the like. The specific implementation is to receive the message data of the previous-hop device 20, the common previous-hop device 20 includes a camera, a multimedia communication terminal, and the like, and the data communication between the first network interface module 101 and the previous-hop device 20 is realized through a communication network Transmission Control Protocol (TCP)/Internet Protocol (IP) Protocol.
The switching module 102 is a network expansion module that can provide more connection ports in a sub-network to connect more devices. The system is used for receiving service data, importing the service data into a self module, connecting with a control unit, learning the routing table information of the main control module 103 in a signaling interaction mode, and forming and storing a forwarding table which can guide the specific forwarding of the data. The specific implementation is that data of the first network interface module 101 is imported into its own module, and performs signaling interactive learning with the main control module 103, and after performing calculation processing on the data, the data is sent to the path selection module 104 and output through the second network interface module 103. The switching module 102 and the first network interface module 101 perform data communication through a TCP/IP protocol, the switching module 102 and the main control module 103 perform data communication through signaling interaction, and the switching module 102 and the path selection module 104 also perform data communication through the TCP/IP protocol.
The main control module 103 is configured to store routing table information and update the routing table information to the switching module 102 in real time; and is further configured to interact with the path selection module 104 by means of signaling, so as to implement control of relevant module parameters. The specific implementation is to store the routing table information of the switching module 102, update the routing table information to the switching module 102 in real time, and control the parameters of the path selection module 104 to output via the second network interface module 105. The main control module 103 and the switching module perform data communication through signaling interaction, and the main control module 103 and the path selection module 104 also perform data communication through signaling interaction.
The path selection module 104 is used to decide which port and path to forward data. The specific implementation is to receive parameter control of the main control module 103, receive data of the switch module 102, and output the data via the second network interface module 105. The path selection module 104 and the switching module 102 perform data communication through a TCP/IP protocol, the path selection module 104 and the main control module 103 perform data communication through signaling interaction, and the path selection module 104 and the second network interface module 105 also perform data communication through the TCP/IP protocol.
The second network interface module 105 is configured to send data information, and is specifically implemented to output data to the upper management device 30 or the next hop device 40, where the function of the second network interface module 105 may satisfy that the master control single chip microcomputer accesses the next hop device 40 or the upper management device 30 without support of an operating system, and the second network interface module 105 is configured to transmit data at a high communication rate, such as a set top box, a digital video recorder, an ethernet network, and a remote controller, and is simple and reliable in operation, low in cost, and widely applied to various fields of security monitoring, audio/video transmission, and remote information transmission. The data communication between the second network interface module 105 and the upper management device 30 and the next hop device 40 is realized through a communication network TCP/IP protocol, for example, the upper management device 30 may be a background server or a monitoring platform. The next hop apparatus 40 and the upper management apparatus 30 can implement forwarding of the traffic and traffic analysis processing.
In an implementation manner of one embodiment, the next hop device 40 may satisfy forwarding processing of a service, and satisfy a transmission requirement of a service quick response.
In another implementation manner of one embodiment, the upper management device 30 may satisfy the forwarding and analysis processing of the service data. Whether the service data are wrong or not is monitored, and the service data correctly reach the target equipment.
In the above technical solution, through a communication network TCP/IP protocol, a first network interface module 101 in a forwarding device 10 implements data communication with a previous hop device 20, the first network interface module 101 receives service information of the previous hop device 20, and then implements data communication between the first network interface module 101 and an exchange module 102 in the forwarding device 10 through the communication network TCP/IP protocol, the exchange module 102 generates routing information, the exchange module 102 performs signaling interaction with a main control module 103, updates routing table information, communicates with a path selection module 104 through the communication network TCP/IP protocol, determines a forwarding route, implements data communication between the second network interface module 103 and the path selection module 104 through the communication network TCP/IP protocol, and then implements data communication between the second network interface module 103 and an upper management device 30 and a next hop device 40 through the communication network TCP/IP protocol. When the forwarding route is assigned to the next hop device 40, the forwarding processing of the service can be satisfied, and the transmission requirement of the service quick response can be satisfied. When the forwarding route is designated to the upper management device 30, forwarding and analysis processing of the service data can be satisfied. Whether the service data are wrong or not is monitored, and the service data correctly reach the target equipment.
Example two
Fig. 2 is a forwarding device provided in the second embodiment of the present application. As shown in fig. 2, the forwarding device 10 provided in this embodiment includes a first network interface module 101, a second network interface module 105, a switching module 102, a master control module 103, and a path selection module 104.
The first network interface module 101 is provided with a first end, the first network interface module 101 is configured to receive data and output the data, the exchange module 102 is provided with a first end, a second end, and a third end, the exchange module 102 is configured to exchange data at the third end, update data information between the second end of the exchange module 102 and the second end of the main control module 103, and output the updated data information via the first end. The main control module 103 is provided with a first end, a second end and a third end, and the main control module 103 is configured to control and operate data at the second end and then output the data through the first end. The path selection module 104 is provided with a first end, a second end and a third end, and the path selection module 104 is configured to output the data of the first end and the control data of the second end via the third end after performing selection processing. The second network interface module 105 is provided with a first end, and the second network interface module 103 is configured to receive data and output the data.
The first network interface module 101 implements data communication with the previous-hop device 20 through a TCP/IP protocol, a first end of the first network interface module 101 is used for connecting the switching module 102, and the first network interface module 101 integrates a transceiver core of an ethernet Physical Layer, and integrates 3 functions of a TCP/IP protocol stack, an address (MAC) of the ethernet and a Port Physical Layer (PHY) into a whole, thereby implementing a Physical Layer transceiver of a Port of the first network interface module 101. The first network Interface module 101 integrates the 100Mbps ethernet MAC and PHY into an automatic access port (MDIX, medium Dependent Interface cross), and can directly access the data of the previous hop of device 20 without passing through a computer, and realize data communication with the previous hop of device 20 through serial transmission with a transmission rate of 25Mbps, and transmit the message data receiving the storage space information of the previous hop of device 20 to the switching module 102.
The third end of the switching module 102 is configured to connect to the first end of the first network interface module 101, so as to receive and process forwarding of a service packet or an interactive signaling of the first network interface module 101, where the switching module 102 accesses the previous-hop device 20, and the switching module 102 first sends an Address Resolution Protocol (ARP) broadcast to obtain a gateway MAC Address. The second end of the switching module 102 is used as the second end of the main control module 103 to send the gateway MAC address to the main control module 103, receive the routing table information updated by the main control module 103, the switch forms an MAC table entry of the switching module 102, and responds to the ARP request of the switching module 102 with the gateway MAC address, the switching module 102 accesses the previous-hop device 20 with the gateway MAC as the MAC of the previous-hop device 20, and the switch searches for a hardware forwarding table or a routing table to perform three-layer forwarding. The first end of the switching module 102 is connected to the first end of the path selection module 104 to transmit the information data output by the switching module 102 to the path selection module 104.
The second end of the main control module 103 is connected to the first end of the switch module 102, so as to transmit the information data of the second output end of the main control chip to the switch module 102 through signaling interaction. The first end of the main control module 103 is connected to the second end of the path selection module 104, so as to transmit the information data at the first output end of the main control chip to the path selection module 104. The output of the first end of the main control chip 106 is used as the input of the path selection module 104 to perform control selection of data information.
The first end of the path selection module 104 is used to connect to the first end of the switching module 102, and receive the service information of the switching module 102 through signaling interaction, and the second end of the path selection module 104 is used to connect to the first end of the main control module 103, so as to receive the control information of the main control module 103. The path selection module 104 selects an appropriate route under the control of the main control module 103 after receiving the data information of the switching module 102. The third end of the path selection module 104 is used to connect to the first end of the second network interface module 105, and the output information of the path selection module 104 is already transmitted to the second network interface module 105, so that the service data of the previous-hop device 20 is correctly sent to the next-hop device 40 or the upper-layer management device 30.
The first end of the second network interface module 105 is connected to the third end of the path selection module 104, the second network interface module 105 implements data communication with the path selection module 104 through a TCP/IP protocol, the first end of the second network interface module 105 is used for connecting the path selection module 104, the second network interface module 101 integrates a transceiver core of an ethernet Physical Layer, integrates 3 functions of a TCP/IP protocol stack, an address (MAC) of the ethernet and a Port Physical Layer (PHY) into a whole, and implements a Physical Layer transceiver of a Port of the second network interface module 105. The second network Interface module 105 integrates 100Mbps ethernet MAC and PHY to an automatic access port (MDIX, medium Dependent Interface cross), can directly access the data of the path selection module 104 without a computer, realizes data communication with the path selection module 104 through serial transmission at a transmission rate of 25Mbps, and transmits the message data of the storage space information of the received path selection module 104 to the next hop device 40. When the analysis processing of the service data is performed, the processing information is transmitted to the upper management apparatus 30.
In addition, the switching module 102, the path selection module 104 and the main control module 103 are powered by the power supply unit 60. Wherein the power supply unit 60 is provided with a first output terminal, a second output terminal and a third output terminal. A first output end of the power supply unit 60 is connected with a power supply end of the switching module 102; a second output terminal of the power supply unit 60 is connected to a power supply terminal of the path selection module 104; a third output terminal of the power supply unit 60 is connected to the power supply terminal of the main control module 103.
In the above technical solution, data communication between the first network interface module 101 and the previous hop device 20 is implemented through a TCP/IP protocol, message data of storage space information of the previous hop device 20 is received, and then the first end of the first network interface module 101 transmits the message data of the storage space information of the previous hop device 20 to the switching module 102; then, the switching module 102 forwards the service message or the interactive signaling to the main control module 103; the main control module 103 updates the information and returns the updated information to the exchange module 102; the switching module 102 sends the updated information to the path selection module 104. The output data of the path selection module 104 will be received through the second network interface module 105. Data communication with the next hop device 40 or data communication with the upper management device 30 is realized by a TCP/IP protocol. And the service data can be analyzed while the service is forwarded.
EXAMPLE III
Fig. 3 is a forwarding device provided in the third embodiment of the present application. As shown in fig. 3, the forwarding device 10 provided in this embodiment includes a first network interface module 101, a second network interface module 105, a forwarding engine chip 1021, a data forwarding chip 1022, a main control module 103, a level control chip 1041, a switch sub-module 1042, a first optical splitter 1043, a second optical splitter 1044, and a parallel processing chip 1045.
The first network interface module 101 is provided with a first end, the first network interface module 101 is configured to receive data and output the data, the switching module 102 is provided with a first end, a second end, and a third end, and includes a forwarding engine chip 1021 and a data forwarding chip 1022, the switching module 102 is configured to exchange data at the third end, update data information between the second end of the switching module 102 and the second end of the main control module 103, and output the updated data information via the first end. The main control module 103 is provided with a first end, a second end and a third end, and the main control module 103 is configured to control and operate data at the second end and then output the data through the first end. The path selection module 104 is provided with a first end, a second end, and a third end, and includes a level control chip 1041, a switch sub-module 1042, a first optical tapping 1043, a second optical tapping 1044, and a parallel processing chip 1045, and the path selection module 104 is configured to output data of the first end and control data of the second end via the third end after performing selection processing on the data of the first end and the control data of the second end. The second network interface module 105 is provided with a first end, and the second network interface module 103 is configured to receive data and output the data.
The first network interface module 101 implements data communication with the previous-hop device 20 through a TCP/IP protocol, a first end of the first network interface module 101 is used for connecting the switching module 102, and the first network interface module 101 integrates a transceiver core of an ethernet Physical Layer, and integrates 3 functions of a TCP/IP protocol stack, an address (MAC) of the ethernet and a Port Physical Layer (PHY) into a whole, thereby implementing a Physical Layer transceiver of a Port of the first network interface module 101. The first network Interface module 101 integrates 100Mbps ethernet MAC and PHY into an automatic access port (MDIX, medium Dependent Interface crossbar), and can directly access the data of the previous hop of device 20 without a computer, and the data communication with the previous hop of device 20 is realized through serial transmission at a 25Mbps transmission rate, and the message data for receiving the storage space information of the previous hop of device 20 is transmitted to the switching module 102.
The third end of the switching module 102 is used to connect to the first end of the first network interface module 101, so as to receive and process the forwarding of the service packet or the interactive signaling of the first network interface module 101.
The switching module 102 specifically includes a forwarding engine chip 1021 and a data forwarding chip 1022, where the forwarding engine chip 1021 is provided with a first port and a second port, and the second port of the forwarding engine chip 1021 is connected to the second end of the main control module 103, so as to maintain a routing table generated by the main control module 103, and send the routing table to the data forwarding chip 1022; the data forwarding chip 1022 is provided with a first port and a second port, the first port of the data forwarding chip 1022 is connected to the first port of the forwarding engine chip 1021, the second port of the data forwarding chip 1022 is connected to the path selection module 104, and the data forwarding chip 1022 is an execution unit and is used for executing, under the control of the forwarding engine chip 1021, the forwarding of the service data to the path selection module 104 inside the forwarding device.
The second end of the main control module 103 is connected to the first end of the switch module 102, so as to transmit the information data at the second output end of the main control chip to the switch module 102 through signaling interaction. The first end of the main control module 103 is connected to the second end of the path selection module 104, so as to transmit the information data of the first output end of the main control chip to the path selection module 104. The output of the first end of the main control chip 106 is used as the input of the path selection module 104 to perform control selection of data information.
The path selection module 104 specifically includes a level control chip 1041, a switch sub-module 1042, a first optical distribution chip 1043, a second optical distribution chip 1044, and a parallel processing chip 1045. The first optical distribution chip 1043 is provided with a first port, a second port and a third port, the first port of the first optical distribution chip 1043 is connected with the switching module 102 to receive data stream information sent by the switching module 102, the first optical distribution chip 1043 is mainly used for converting the received data stream into two data streams in a light splitting and copying manner, the second port of the first optical distribution chip 1043 is connected with the third port of the switch submodule 1042, and the third port of the first optical distribution chip 1043 is connected with the first optical distribution chip 1044; the level control chip 1041 is provided with a first port and a second port, the first port of the level control chip 1041 is connected with the main control module 103, the second port of the level control chip 1041 is connected with the third end of the switch sub-module 1042, the second end of the switch sub-module 1042 is connected with the parallel processing chip 1045, when the level control chip 1041 outputs a high level, the data stream output by the first optical splitter 1043 is directly sent to the second optical splitter 1044, and is transmitted to the next hop device 40 through a TCP/IP protocol; when the output of the level control chip 1041 is a low level, the data stream output by the first optical tapping chip 1043 is sent to the parallel processing chip 1045 through the switch sub-module 1042, and then is transmitted to the upper management device 30 through the TCP/IP protocol, so as to implement analysis and processing of the service data stream.
The first end of the second network interface module 105 is connected to the third end of the path selection module 104, the second network interface module 105 implements data communication with the path selection module 104 through a TCP/IP protocol, the first end of the second network interface module 105 is used for connecting the path selection module 104, the second network interface module 101 integrates a transceiver core of an ethernet Physical Layer, integrates 3 functions of a TCP/IP protocol stack, an address (MAC) of the ethernet and a Port Physical Layer (PHY) into a whole, and implements a Physical Layer transceiver of a Port of the second network interface module 105. The second network Interface module 105 integrates the 100Mbps ethernet MAC and PHY into an automatic access port (MDIX, medium Dependent Interface cross), can directly access the data of the path selection module 104 without passing through a computer, realizes data communication with the path selection module 104 through serial transmission at a transmission rate of 25Mbps, and transmits the message data receiving the storage space information of the path selection module 104 to the next hop device 40. When the analysis processing of the service data is performed, the processing information is transmitted to the upper management apparatus 30.
In addition, the switching module 102, the path selection module 104 and the main control module 103 are powered by the power supply unit 60. Wherein the power supply unit 60 is provided with a first output terminal, a second output terminal and a third output terminal. A first output terminal of the power supply unit 60 is connected with a power supply terminal of the switching module 102; a second output terminal of the power supply unit 60 is connected to a power supply terminal of the path selection module 104; a third output terminal of the power supply unit 60 is connected to the power supply terminal of the main control module 103.
In the above technical solution, data communication between the first network interface module 101 and the previous hop device 20 is realized through a TCP/IP protocol, message data of storage space information of the previous hop device 20 is received, and then the first end of the first network interface module 101 transmits the message data of the storage space information of the previous hop device 20 to the switching module 102; the switching module 102 specifically includes a forwarding engine chip 1021 and a data forwarding chip 1022; then, the switching module 102 forwards the service message or the interactive signaling to the main control module 103; the main control module 103 updates the information and returns the updated information to the exchange module 102; the switching module 102 sends the updated information to the path selection module 104, wherein the path selection module 104 specifically includes a level control chip 1041, a switch sub-module 1042, a first optical distribution chip 1043, a second optical distribution chip 1044, and a parallel processing chip 1045. The output data of the path selection module 104 will be received through the second network interface module 105. Data communication with the next hop device 40 or data communication with the upper management device 30 is realized by a TCP/IP protocol. And the service data can be analyzed while the service is forwarded.
Example four
Fig. 4 is a monolithic chip provided in the fourth embodiment of the present application. As shown in fig. 4, the integrated chip 70 provided in this embodiment includes a first network interface module 101, a second network interface module 105, a first optical distribution chip 1043, a first optical distribution chip 1044, and a parallel processing chip 1045.
The first network interface module 101 is used for receiving and processing service information sent by the terminal device through a TCP/IP protocol, and the first network interface module 101 integrates an ethernet physical layer, and integrates 3 functions of a TCP/IP protocol stack, an MAC of the ethernet, and a PHY. The first network interface module 101 integrates the 100Mbps ethernet MAC and PHY into the automatic MDIX, and can directly access the service data of the previous hop device 20 without a computer, serially transmit the service data through a 25Mbps transmission rate, and connect to the first end of the first optical add-drop chip 1043 through the first end of the first network interface module 101 to implement data communication with the first optical add-drop chip 1043; the first optical add-drop chip 1043 functions to convert the data stream of the first network interface module 101 into two data streams in a light splitting and copying manner, where one data stream enters the second optical add-drop chip 1044, and the second optical add-drop chip 1044 is used to re-process the signal; the other data stream enters the parallel processing chip 1045, and the parallel processing chip 1045 is used for analyzing the service data; the second network interface module 105 is used for processing and transmitting the received service information to the upper management device 30 or the next hop device 40 through the TCP/IP protocol. The second network interface module 105 integrates 3 functions of TCP/IP protocol stack, MAC and PHY of ethernet into one integrated ethernet physical layer. The second network interface module 105 integrates the 100Mbps ethernet MAC and PHY into the automatic MDIX, and can directly access data without passing through a computer, and realize data communication with the upper management device 30 or the next hop device 40 through serial transmission with a 25Mbps transmission rate.
In the above technical solution, the function of receiving the data information of the previous hop device 20 by the first network interface module 101, the function of transmitting the data information to other devices by the second network interface module 105 are logically integrated, the first optical distribution chip 1043 converts the data stream of the first network interface module 101 into two data streams in a way of splitting and copying, the second optical distribution chip 1044 is used for reprocessing signals, the parallel processing chip 1045 is used for analyzing the service data and forwarding the data information of the switching chip 104, and the data information processing function is integrated into the integrated chip 70, and the integrated chip 70 has the functions of analyzing, processing, forwarding and peripheral communication of the service data information.
EXAMPLE five
Fig. 5 is a schematic diagram of a forwarding system provided in the fifth embodiment of the present application. As shown in fig. 5, the forwarding system 50 provided in the present embodiment includes a previous-hop device 20, a forwarding device 10, an upper-layer management device 30, and a next-hop device 40.
Wherein the previous hop device 20 is used for collecting information, such as a camera; the forwarding device 10 performs data communication with the previous hop device 20 through a TCP/IP protocol, supports data communication with the forwarding device 10, and has characteristics of ultra-high bandwidth, ultra-multiple connection, and ultra-low delay. The forwarding device 10 includes a main control module 103, a switching module 102, and a path selection module 104, and implements forwarding of service data and analysis of the service data. When the forwarding device is connected to the next-hop device 40 or the upper management device 30, the service data can be dynamically monitored in real time.
In the above technical solution, the forwarding system 50 includes a previous hop device 20, a forwarding device 10, an upper management device 30 and a next hop device 40, and performs communication through a network without manual intervention to implement forwarding and analysis of service data; the transmission, protocol and analysis functions of the previous-hop device 20, the forwarding device 10, the upper management device 30 and the next-hop device 40 form a fully functional forwarding system 50.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the aspects disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A forwarding device, comprising:
the system comprises a path selection module, a switching module and a main control module;
the switching module is provided with a first end and a second end, and the main control module is provided with a first end and a second end;
the first end of the path selection module and the first end of the exchange module are in data communication; the second end of the path selection module is in data communication with the first end of the main control module;
and the second end of the exchange module and the second end of the main control module are in data communication.
2. The forwarding device of claim 1, wherein the path selection module specifically comprises a first optical add-drop chip, a second optical add-drop chip, and a parallel processing chip;
the first optical branching chip is provided with a first port, a second port and a third port, the second optical branching chip is provided with a first port, and the parallel processing chip is provided with a first port;
the first port of the first optical division chip is in data communication with the first end of the switching module; the second port of the first optical splitting chip is in data communication with the parallel processing chip; the third port of the first optical splitting chip and the first port of the second optical splitting chip are in data communication;
and the first port of the parallel processing chip is in data communication with the first end of the main control module.
3. The forwarding device of claim 2, wherein the path selection module further comprises a level control chip;
the level control chip is provided with a first port and a second port; the main control module is also provided with a third end;
the first port of the level control chip is in data communication with the third end of the main control module; the second port of the level control chip is in data communication with the first optical splitter chip; and the second port of the level control chip is also in data communication with the parallel processing chip.
4. The forwarding device of claim 2, wherein the switching module specifically comprises a forwarding engine chip and a data forwarding chip;
the data forwarding chip is provided with a first port and a second port; the forwarding engine chip is provided with a first port and a second port;
the first port of the data forwarding chip is in data communication with the first port of the forwarding engine chip; the second port of the data forwarding chip is in data communication with the first port of the first optical branching chip;
and the second port of the forwarding engine chip is in data communication with the second end of the main control module.
5. The forwarding device of claim 4, wherein the forwarding device further comprises a first network interface module;
the first network interface module is provided with a first end; the exchange module is also provided with a third end; the data forwarding chip is also provided with a third port;
and the first end of the first network interface module is in data communication with the third end of the exchange module, and the first end of the first network interface module is also in data communication with the third port of the data forwarding chip.
6. The forwarding device of claim 5, wherein the forwarding device further comprises a second network interface module;
the second network interface module is provided with a first end, a second end and a third end; the path selection module is also provided with a third end; the parallel processing chip is also provided with a third port; the second optical branching chip is also provided with a second port;
the first end of the second network interface module and the third end of the path selection module are in data communication; the second end of the second network interface module is in data communication with the third port of the parallel processing chip; and the third end of the second network interface module and the second port of the second optical add-drop chip are in data communication.
7. The forwarding device of claim 3 wherein the path selection module further comprises a switch submodule;
the switch submodule is provided with a first end, a second end and a third end;
the first end of the switch submodule is in data communication with the second port of the level control chip; when the level control chip outputs a high level, the second end of the switch submodule and the second port of the parallel processing chip are in data communication; and when the level control chip outputs a low level, data communication is carried out between the third end of the switch submodule and the second port of the first optical branching chip.
8. The forwarding device of claim 6, wherein the first network interface module, the second network interface module, the first optical chip, the second optical chip, and the parallel processing chip are integrated chips.
9. The forwarding device of any one of claims 1 through 8, further comprising a power supply unit;
the power supply unit is connected with the power supply end of the path selection module, the power supply unit is connected with the power supply end of the exchange module, and the power supply unit is connected with the power supply end of the main control module.
10. A forwarding system, comprising: the forwarding device, the previous-hop device, the next-hop device, and the upper management device according to any one of claims 1 to 9;
the forwarding device and the previous hop device carry out data communication, and the forwarding device and the next hop device carry out data communication; and carrying out data communication between the forwarding equipment and the upper management equipment.
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| CN202222251624.3U CN217883463U (en) | 2022-08-25 | 2022-08-25 | Transfer device and transfer system |
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| CN202222251624.3U CN217883463U (en) | 2022-08-25 | 2022-08-25 | Transfer device and transfer system |
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