CN209134444U - Power-supply management system based on Ethernet daisy chain communication network topology - Google Patents
Power-supply management system based on Ethernet daisy chain communication network topology Download PDFInfo
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- CN209134444U CN209134444U CN201821716813.0U CN201821716813U CN209134444U CN 209134444 U CN209134444 U CN 209134444U CN 201821716813 U CN201821716813 U CN 201821716813U CN 209134444 U CN209134444 U CN 209134444U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Abstract
The utility model discloses a kind of power-supply management systems based on Ethernet daisy chain communication network topology, it is related to PDU apparatus field, the double network interfaces of standard of the application based on PDU equipment, multiple PDU equipment are sequentially connected by network interface, the structure that central control node constitutes annular is accessed by the network node equipment of switch or router etc again, realize the two-way daisy chain type network topology of Ethernet, access quantity of the PDU equipment on daisy chain network topology can effectively be increased using this structure, increase network link redundancy, reduce the network interface resource occupation of the network node equipment of switch or router etc, save communication cable material and lower deployment cost, realize the centralization of computer room electrical equipment power management control, networking and fining.
Description
Technical field
The utility model relates to PDU equipment, especially a kind of power supply pipe based on Ethernet daisy chain communication network topology
Reason system.
Background technique
Current intelligence PDU (Power Distribution Unit, power configuration unit) equipment is in large-scale data center machine
It is widely used in the power supply system in room, operation and maintenance personnel can use the ethernet communication interface that network passes through PDU, realize remote
Journey is monitored and controlled, by configuring corresponding remote power supply management software, to be distributed in the computer rooms of various regions, more in cabinet set
Standby electricity situation is detected, controlled and is managed, and human cost is effectively saved.The networking of intelligent PDU and intelligentized power supply
User can more accurately and efficiently monitor power consumption, carry out equipment operation control and computer room ring for the combination of rwan management solution RWAN
Border monitoring, realizes centralization, networking and the fining of the control of computer room electrical equipment power management.The group of current intelligence PDU
Host will have the following two kinds, both networking modes all have certain determination:
1, two-stage bus schemes access a PDU equipment for Ethernet as level-one bus, then by this PDU equipment
Passing through secondary bus --- RS485 bus is connected more PDU equipment.But it is limited to the electrical characteristic of RS485 bus, communication speed
Rate is lower, and energy series connection node number is few.
2, Ethernet connection scheme, in recent years, great attention of the Ethernet system by industrial network, user is also no longer full
It is enough to the transmission of RS232 or RS485 data, it is required that connecting using Ethernet, current portions PDU equipment can pass through network insertion
Manage network, locating for network generally use stelliform connection topology configuration, as shown in Figure 1.The network of stelliform connection topology configuration belongs to collection
Middle control type network, in star topology, each PDU equipment in network passes through interchanger or road by the way of point-to-point
One central control node is connected to by the network node equipment of device etc.Whole network executes centralization by central control node
Access control management, any two PDU equipment, which will be communicated, all has to pass through network node equipment to central control node control
System, in order to enable each PDU equipment can realize that remotely control is it is necessary to consume valuable switch or router network interface resource,
This will increase the construction cost of data center.Therefore this networking mode is larger to the dependence of switch or router.
Utility model content
The present inventor regarding to the issue above and technical need, proposes a kind of based on Ethernet daisy chain communication network topology
Power-supply management system, the double network interfaces of standard of the application based on PDU equipment constitute the two-way daisy chain type network topologies of Ethernet, real
Centralization, networking and the fining of existing computer room electrical equipment power management control.
The technical solution of the utility model is as follows:
A kind of power-supply management system based on Ethernet daisy chain communication network topology, the system include center control section
Point, network node equipment and N number of PDU equipment, network node equipment are switch or routers, and 2≤N≤64 and N are positive integer,
Each PDU equipment respectively includes the first network interface and the second network interface；Second network interface connection i+1 PDU of i-th of PDU equipment is set
The first standby network interface, i are parameter, and the initial value of i≤N-1 and i are 1, the first network interface connection network node of first PDU equipment
One network interface of equipment, another network interface of the second network interface connection network node equipment of n-th PDU equipment, network node are set
It is standby to be connected to central control node.
Its further technical solution is that each PDU equipment respectively includes processor, the first PHY chip, the 2nd PHY core
Piece, the first network interface and the second network interface, processor include RGMII interface and MII interface, and processor passes through RGMII interface connection the
One PHY chip, the first PHY chip connect the first network interface, and processor connects the second PHY chip, the 2nd PHY core by MII interface
Piece connects the second network interface.
Its further technical solution is that processor is ARM CortexTM- A5 processor.
The advantageous effects of the utility model are:
This application discloses a kind of power-supply management systems based on Ethernet daisy chain communication network topology, are based on PDU
The double network interfaces of the standard of equipment, realize the two-way daisy chain type network topology of Ethernet, can effectively increase PDU equipment in daisy chain
Access quantity in network topology increases network link redundancy, reduces interchanger network interface resource occupation, saves communication cable material
And lower deployment cost, realize centralization, networking and the fining of the control of computer room electrical equipment power management.
Detailed description of the invention
Fig. 1 is the system knot for the power-supply management system that current conventional PDU equipment is constituted using stelliform connection topology configuration networking
Structure schematic diagram.
Fig. 2 is the power management system that PDU equipment disclosed in the present application uses Ethernet daisy chain communication network topology formation
The system structure diagram of system.
Fig. 3 is workflow of the PDU equipment using the power-supply management system of Ethernet daisy chain communication network topology formation
Figure.
Fig. 4 is the flow diagram for determining the network interface state of the first network interface.
Fig. 5 is the flow diagram for determining the network interface state of the second network interface.
Fig. 6 is the network system block diagram of the Ethernet daisy chain communication network topology in the application.
Specific embodiment
Specific embodiments of the utility model will be further explained with reference to the accompanying drawing.
Conventional daisy chain bus topological (Daisy Chain Topology) is frequently with 485 bus interface, although 485 is total
Line need to only occupy 485 interfaces, hardware complexity and cost is relatively low, but simultaneously, its there is also communication speeds low, communications protocol
Simply, the defects of upgrade maintenance difficulty is larger, under the premise of guaranteeing timeliness, the quantity of communication node is also less.Therefore originally
Utility model does not use 485 bus interface, and uses Ethernet interface, forms Ethernet daisy chain communication network topology.PDU is set
When the standby progress networking based on Ethernet daisy chain communication network topology, the efficient network management of PDU, PDU equipment may be implemented
It carries out being formed by the structure of power-supply management system when networking referring to FIG. 2, being somebody's turn to do based on Ethernet daisy chain communication network topology
System includes a central control node, a network node equipment and N number of PDU equipment, and network node equipment is usually to exchange
Machine or router, 2≤N≤64 and N are positive integer, and Fig. 2 is by taking N=8 as an example.Each PDU equipment respectively includes processor, first
PHY chip, the second PHY chip, the first network interface and the second network interface, processor include RGMII interface and MII interface, and the application adopts
With ARM CortexTM- A5 processor, efficiency is high, at low cost, in actual implementation, two PHY chips can using a gigabit and
One 100,000,000 chip.Processor connects the first PHY chip by RGMII interface, and the first PHY chip connects the first network interface, place
It manages device and the second PHY chip is connected by MII interface, the second PHY chip connects the second network interface, to provide two-way to PDU equipment
Ethernet network interface.Since each PDU equipment has the double network interfaces of standard, each PDU equipment can be connected by network interface head and the tail
It connects to form ring structure, specific: the first network interface of the second network interface connection i+1 PDU equipment of i-th of PDU equipment, i are
The initial value of parameter, i≤N-1 and i are 1.Head node of the first PDU equipment as the topology, the first of first PDU equipment
One network interface of network interface connection network node equipment.Tail node of the n-th PDU equipment as the topology, n-th PDU equipment
Another network interface of second network interface connection network node equipment.Intermediate node of other PDU equipment as the topology.Network knot
Point device is then connected to central control node.Each node in Ethernet daisy chain communication network topology can easily connect
Enter equipment, it is possible to reduce the interminable wiring of simple hub-and-spoke configuration, while link can be reached by the ring structure between node again
The function of redundancy backup.
The working principle of Ethernet daisy chain communication network topology disclosed in the present application is as follows:
Ethernet daisy chain communication network topology mainly includes three parts: dynamic group net adaptive algorithm in daisy chain,
Data packet forwarding mechanism, daisy chain both-way communication.Referring to FIG. 3, mainly including the following steps:
Step S01 obtains current network interface state.The first network interface and the second network interface that each PDU equipment determination includes
Network interface state, network interface state are link-on status (link up) or link-down state (link down).
1, it determines that the process of the network interface state of the first network interface is as follows, please refers to flow chart shown in Fig. 4:
(1), it detects whether to include the user configuration information for the first network interface, if detecting including for the first network interface
User configuration information, then it represents that user has carried out fixed and has been assigned with the address ip for the network interface to the network interface, in practical reality
The PDU equipment is typically represented in existing becomes head node by user setting, then directly terminates process.
(2) if, user configuration information for the first network interface is not detected, detect the first network interface whether external equipment,
If non-external equipment, it is determined that network interface state is link-down state.
(3) if, detect the first network interface external equipment, detect whether Dynamic Host Configuration Protocol server is directed to the first network interface configuration ip
Location, if detecting, Dynamic Host Configuration Protocol server is configured with the address ip for the first network interface, usually indicates first network interface and Dynamic Host Configuration Protocol server
It is connected, typically represents the PDU equipment in actual implementation as head node and be connected to network node equipment, then directly terminate to flow
Journey.
(4) if, be not detected Dynamic Host Configuration Protocol server for the first network interface configure the address ip, start ad hoc network function, and wait
To the communication of prime PDU equipment, namely the instruction of shaking hands for waiting prime PDU equipment to send, wherein prime PDU equipment refers to the PDU
The PDU equipment that first network interface of equipment is connected.
(5), it when receiving the communication of prime PDU equipment, returns and receives successful respond, and determine that the first network interface is in chain
Road on-state.If being more than the communication that certain time does not receive prime PDU equipment also, it is whether outer that the first network interface is detected again
Connect equipment.
2, determine that the process of the network interface state of the second network interface is as follows, it is similar with the above process, please refer to process shown in fig. 5
Figure:
(1), it detects whether to include the user configuration information for the second network interface, if detecting including for the second network interface
User configuration information, then it represents that user has carried out fixed and has been assigned with the address ip for the network interface to the network interface, in practical reality
The PDU equipment is typically represented in existing becomes tail node by user setting, then directly terminates process；
(2) if, user configuration information for the second network interface is not detected, detect the second network interface whether external equipment,
If non-external equipment, it is determined that network interface state is link-down state.
(3) if, detect the second network interface external equipment, detect whether Dynamic Host Configuration Protocol server is directed to the second network interface configuration ip
Location, if detecting, Dynamic Host Configuration Protocol server is configured with the address ip for the second network interface, usually indicates second network interface and Dynamic Host Configuration Protocol server
It is connected, typically represents the PDU equipment in actual implementation as tail node and be connected to network node equipment, then directly terminate to flow
Journey.
(4) if, be not detected Dynamic Host Configuration Protocol server for the second network interface configure the address ip, start ad hoc network function, backward
The response that grade PDU equipment sends instruction of shaking hands, and rear class PDU equipment is waited to return.Wherein rear class PDU equipment refers to the PDU equipment
The PDU equipment that is connected of the second network interface.
(5), when the response that grade PDU equipment returns upon receipt, determine that the second network interface is in link-on status.If super
Cross the communication that certain time does not receive rear class PDU equipment also, then detect again the second network interface whether external equipment.
Step S02, determines operating mode.Under normal circumstances, all locate as two network interfaces of the PDU equipment of intermediate node
In link-on status, the second network interface of the PDU equipment as head node is in link-on status, the first network interface is likely to be at
Link-on status, the first network interface of the PDU equipment as tail node is in link-on status, the second network interface is likely to be at chain
Road on-state, therefore for any one PDU equipment, when the PDU equipment detects that at least one network interface connects in link
When logical state, start the operating mode for determining itself, operating mode is head node operating mode, tail node operating mode and centre
Any one in node working mode.When determining operating mode is head node operating mode, indicate that the PDU equipment is topology
Head node；When determining operating mode is tail node operating mode, indicate that the PDU equipment is the tail node of topology；Work as determination
When operating mode is intermediate node operating mode, indicate that the PDU equipment is the intermediate node of topology.Determine the process of operating mode
It is as follows:
1, PDU equipment determines the acquiring way of the address ip of the first network interface and the second network interface, for the first network interface and second
Any one network interface in network interface, specific:
(1), it detects whether to include the user configuration information for the network interface, believe if it exists for the user configuration of the network interface
Breath, it is determined that the address ip of network interface is configured by user configuration information, while determining that the address ip of the network interface is user configuration letter
The address ip configured in breath.
(2), it is directed to the user configuration information of network interface if it does not exist, then detects whether Dynamic Host Configuration Protocol server is configured with for network interface
The address ip, if Dynamic Host Configuration Protocol server is configured with the address ip for network interface, it is determined that the address ip of the network interface is configured by Dynamic Host Configuration Protocol server,
The address ip for determining the network interface simultaneously is the address ip of Dynamic Host Configuration Protocol server configuration.
(3) if, Dynamic Host Configuration Protocol server be not directed to network interface configuration the address ip, it is determined that the address ip of network interface is configured by ad hoc network,
The address ip that the address the ip default ad hoc network ip of the network interface is configured is determined simultaneously.
It should be noted that determine network interface the address ip acquiring way process it is practical usually and above-mentioned steps S01
The synchronous progress of the process of the network interface state of middle determining network interface, for example, detecting the user configuration including being directed to the first network interface
When information, the address ip for just directly determining the first network interface is configured by user configuration information, and the address ip of the determining network interface is
For the address ip configured in user configuration information.Other processes are similar, and the application does not repeat.
2, PDU equipment determines operating mode according to the acquiring way of the address ip of the first network interface and the second network interface, main point
For three kinds of situations:
The first situation: the address ip of the first network interface is configured by user configuration information or DHCP, and the ip of the second network interface by
Ad hoc network configuration, it is determined that the operating mode of PDU equipment is head node operating mode；
Second situation: the address ip of the first network interface is configured by ad hoc network, and the ip of the second network interface is by user configuration information
Or DHCP configuration, it is determined that the operating mode of PDU equipment is tail node operating mode；
The third situation: the address ip of the first network interface and the second network interface is configured by ad hoc network, it is determined that the work of PDU equipment
Operation mode is intermediate node operating mode.
PDU equipment in head node operating mode and tail node operating mode can enable the service of PDU state reporting and PDU
Status inquiry function, the PDU equipment in intermediate node operating mode can enable PDU state reporting service.
Step S03, PDU equipment carries out networking.PDU equipment in head node operating mode initiates networking request, each
PDU equipment is successively forwarded by network interface connection relationship and responds networking request, until completing ad hoc network forms daisy chain communication
Network topology.
Step S04, PDU equipment carries out information exchange.In the operational process of power-supply management system, each PDU equipment point
Not Huo Qu mesh information and application layer message, application layer message is usually the measurement data of PDU equipment.In head node Working mould
The mesh information and application layer message that the PDU equipment of formula will acquire by the second network interface are transmitted to rear class PDU equipment, are in tail
The mesh information and application layer message that the PDU equipment of node working mode will acquire by the first network interface are transmitted to prime PDU
Equipment, the mesh information and application layer message that the PDU equipment in intermediate node operating mode will acquire pass through the first network interface
It is transmitted to prime PDU equipment, is transmitted to rear class PDU equipment by the second network interface.
The application is based partially on (SuSE) Linux OS in software platform framework, and (SuSE) Linux OS has high customizable
The advantages that property, powerful network function and high safety high-reliability." iptables " system work that (SuSE) Linux OS provides
The message forwarding of double network interface datas may be implemented in tool, realizes the two-way converting function of each PDU equipment, facilitates information exchange.
Iptables is the integrated ip packet filtration system of linux kernel, it can control ip packet filtration and fire prevention well
Wall configuration, the utility model is used for the port mapping function of the address ip, i.e., using double network interfaces, by the of rear class PDU equipment
As soon as in some port mapping of the address ip of network interface to some port of the address ip of the first network interface of current PDU equipment, this
So that, as long as configuring corresponding iptables application rule, data packet will pass through when needing to access rear class PDU equipment
First network interface of prime PDU equipment is forwarded to the first network interface of rear class PDU equipment using the second network interface of current PDU equipment.
The general frame part of software section is broadly divided into two layers: PDU and adaptively organizes stratum reticulare and PDU data alternation of bed,
In, PDU adaptively organizes the realization that stratum reticulare carries out the determination of above-mentioned network interface state, the determination of operating mode and PDU networking, PDU
The interaction of data interaction layer progress mesh information and application layer message.PDU is adaptively organized to be adopted between stratum reticulare and PDU data alternation of bed
With Linux IPC communication mechanism, boundary division is clear, and the degree of coupling is low.Entire communication architecture uses C/S framework, as described above, opening up
The each node flutterred enables the service of PDU state reporting, and head node and tail node also enable PDU status inquiry function, user
System can use head node and carry out inquiry traversal, namely pass through the second net using the PDU equipment in head node operating mode
Mouth initiates status query request, and each PDU equipment successively forwards simultaneously responsive state inquiry request by network interface connection relationship at this time,
Carry out state reporting；Alternatively, custom system, which also can use tail node, carries out inquiry traversal, namely work using in tail node
The PDU equipment of mode initiates status query request by the first network interface, and each PDU equipment is successively forwarded by network interface connection relationship
And responsive state inquiry request, carry out state reporting.This, which allows for head node and tail node all, will record entire Ethernet chrysanthemum
The data information of chain communication network topology realizes data mutually for function, even if some node is abnormal in the middle, custom system can also lead to
Cross head node and tail node traversal whole network topology.Network system frame is as shown in Figure 6.
Above-described is only the preferred embodiment of the application, and the utility model is not limited to above embodiments.It can manage
Solution, those skilled in the art do not depart from the utility model spirit and design under the premise of directly export or associate other
Improvements and changes are considered as being included within the scope of protection of this utility model.
Claims (3)
1. a kind of power-supply management system based on Ethernet daisy chain communication network topology, which is characterized in that the system comprises
Central control node, network node equipment and N number of PDU equipment, the network node equipment are switch or routers, 2≤N≤
64 and N is positive integer, and each PDU equipment respectively includes the first network interface and the second network interface；Second net of i-th of PDU equipment
First network interface of mouthful connection i+1 PDU equipment, i is parameter, and the initial value of i≤N-1 and i are 1, the of first PDU equipment
One network interface of network node equipment described in one network interface connection, network node described in the second network interface connection of n-th PDU equipment are set
Another standby network interface, the network node equipment are connected to the central control node.
2. system according to claim 1, which is characterized in that each PDU equipment respectively includes processor, first
PHY chip, the second PHY chip, first network interface and second network interface, the processor include that RGMII interface and MII connect
Mouthful, the processor connects first PHY chip, the first PHY chip connection described first by the RGMII interface
Network interface, the processor connect second PHY chip, the second PHY chip connection described second by the MII interface
Network interface.
3. system according to claim 2, which is characterized in that the processor is ARM CortexTM- A5 processor.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067633A (en) * | 2018-10-22 | 2018-12-21 | 泛亚电子工业(无锡)有限公司 | Power-supply management system and method based on Ethernet daisy chain communication network topology |
| CN115834326A (en) * | 2023-01-09 | 2023-03-21 | 之江实验室 | Multi-node network serial communication system and method with automatically configurable IP address |
-
2018
- 2018-10-22 CN CN201821716813.0U patent/CN209134444U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067633A (en) * | 2018-10-22 | 2018-12-21 | 泛亚电子工业(无锡)有限公司 | Power-supply management system and method based on Ethernet daisy chain communication network topology |
| CN109067633B (en) * | 2018-10-22 | 2024-04-16 | 泛亚电子工业(无锡)有限公司 | Power management system and method based on Ethernet daisy chain communication network topology |
| CN115834326A (en) * | 2023-01-09 | 2023-03-21 | 之江实验室 | Multi-node network serial communication system and method with automatically configurable IP address |
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