CN108900318A - A kind of the determination method and computer readable storage medium of network topology - Google Patents
A kind of the determination method and computer readable storage medium of network topology Download PDFInfo
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- CN108900318A CN108900318A CN201810503337.2A CN201810503337A CN108900318A CN 108900318 A CN108900318 A CN 108900318A CN 201810503337 A CN201810503337 A CN 201810503337A CN 108900318 A CN108900318 A CN 108900318A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/12—Discovery or management of network topologies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/02—Standardisation; Integration
- H04L41/0213—Standardised network management protocols, e.g. simple network management protocol [SNMP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/10—Mapping addresses of different types
- H04L61/103—Mapping addresses of different types across network layers, e.g. resolution of network layer into physical layer addresses or address resolution protocol [ARP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2101/00—Indexing scheme associated with group H04L61/00
- H04L2101/60—Types of network addresses
- H04L2101/618—Details of network addresses
- H04L2101/622—Layer-2 addresses, e.g. medium access control [MAC] addresses
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Abstract
The invention discloses the determination methods and computer readable storage medium of a kind of network topology, wherein method includes：Determine the port address transitional information of each switching node；The direct-connected information between direct-connected switching node is determined according to the port address transitional information, and the second connection relation information between switching node and service node is determined according to the port address transitional information；The first connection relation information of switching node, the connection relationship between the first connection relation information characterization switching node are determined according to the direct-connected information between the direct-connected switching node；Network topology is determined according to first connection relation information and second connection relation information.
Description
Technical field
The present invention relates to a kind of determination methods of communication network the relevant technologies more particularly to network topology and computer-readable
Storage medium.
Background technique
Network topology in the related technology, is passing through Simple Network Management Protocol (Simple Network at figure
Management Protocol, SNMP) when reading network equipment information, dependent on the SNMP information of router, interchanger it is big
Measure the SNMP information of SNMP information and nonstandardized technique.
However, there are following technological deficiencies for above scheme：It is not suitable for transformer station secondary system network etc. not to be related to routing
The network of device is made of interchanger and other equipment entirely in the network for not being related to router, can not read network equipment letter
Breath, cannot achieve the determination of network topology.
Summary of the invention
In view of this, an embodiment of the present invention is intended to provide the determination methods and computer-readable storage medium of a kind of network topology
Matter, be able to solve that network sweep speed is slow, compatibility is low and it is not applicable be not involved in the problems, such as the network of router, and scan speed
Degree is fast, good compatibility, economy are high.
In order to achieve the above objectives, the technical solution of the embodiment of the present invention is realized in：
On the one hand, the embodiment of the present invention provides a kind of determination method of network topology, the method includes：
Determine the port address transitional information of each switching node；
The direct-connected information between direct-connected switching node is determined according to the port address transitional information, and according to the port
Information of address conversion determines the second connection relation information between switching node and service node；
The first connection relation information of switching node is determined according to the direct-connected information between the direct-connected switching node, it is described
First connection relation information characterizes the connection relationship between switching node；
Network topology is determined according to first connection relation information and second connection relation information.
On the other hand, the embodiment of the present invention provides a kind of computer readable storage medium, the computer-readable storage medium
It is stored with computer program in matter, when the computer program is executed by processor, realizes the determination method of above-mentioned network topology.
The determination method and computer readable storage medium of network topology provided by the embodiment of the present invention, determine each exchange
The port address transitional information of node；The direct-connected letter between direct-connected switching node is determined according to the port address transitional information
It ceases, and determines the second connection relation information between switching node and service node according to the port address transitional information；Root
The first connection relation information of switching node is determined according to the direct-connected information between the direct-connected switching node；First connection is closed
It is the connection relationship between information representation switching node；Believed according to first connection relation information and second connection relationship
It ceases and determines network topology；In this way, solve the problems, such as it is not applicable be not related to the network of router, and scanning speed is fast, good compatibility,
Economy is high.
Detailed description of the invention
Fig. 1 is the flow diagram of the determination method for the network topology that the embodiment of the present invention one provides；
Fig. 2 is the schematic network structure that the embodiment of the present invention one provides；
Fig. 3 is the flow diagram of the determination method of network topology provided by Embodiment 2 of the present invention；
Fig. 4 is that IP-MAC provided by Embodiment 2 of the present invention indicates to be intended to；
Fig. 5 is port provided by Embodiment 2 of the present invention-MAC table schematic diagram；
Fig. 6 is that port connection relationship provided by Embodiment 2 of the present invention indicates to be intended to；
Fig. 7 is that network topology provided by Embodiment 2 of the present invention indicates to be intended to；
Fig. 8 is schematic network structure provided by Embodiment 2 of the present invention；
Fig. 9 is the structural schematic diagram of mark node provided by Embodiment 2 of the present invention；
Figure 10 is the schematic network structure that the embodiment of the present invention three provides；
Figure 11 is the hardware structural diagram of the determining device for the network topology that the embodiment of the present invention four provides.
Specific embodiment
In embodiments of the present invention, the port address transitional information of each switching node is determined；Turned according to the port address
Change information and determine direct-connected information between direct-connected switching node, and according to the port address transitional information determine switching node with
The second connection relation information between service node；Switching node is determined according to the direct-connected information between the direct-connected switching node
The first connection relation information；Connection relationship between the first connection relation information characterization switching node；According to described
One connection relation information and second connection relation information determine network topology.
Embodiment one
Fig. 1 is the flow diagram of the determination method of one network topology of the embodiment of the present invention, as shown in Figure 1, the present invention is real
The determination method for applying a network topology includes：
S101, the port address transitional information for determining each switching node；
Network node in network includes switching node and service node, and switching node includes that interchanger etc. carries out path turn
The device node changed, service node include that server, protection equipment, measuring and controlling equipment, oscillograph etc. carry out in addition to switching node
Device node.
Before this step, the method also includes：Exchange information acquisition messages are sent to each network node；Receive response
The port address transitional information of the exchange information acquisition messages, and determine the network section for returning to the port address transitional information
Point is switching node；Determine that the network node for not returning to the port address transitional information is service node.
It here, can be by business section any in network node before sending exchange information acquisition messages to each network node
Point is used as mark node, sends the IP that detection message determines each network node from all-network node of the mark node into network
Address, to send exchange information acquisition messages to each network node according to IP address.Mark node is to transmitted by network node
Detect message can be ping order, when mark node mono- IP address of ping, the IP address can ping lead to, then exist in network
The corresponding network node of the IP address then determines the IP address of network node by detecting message.
After mark node determines the IP address of network node, exchange acquisition of information is sent to switching node from mark node and is disappeared
Breath, to obtain the port address transitional information of switching node.The port address transitional information of switching node for switching node institute
The transmission path information when service node of connection is carried out data transmission by switching node, here, port address transitional information
It can be for by port-mark and the port mac of media access control (Medium Access Control, MAC) information expression
Location conversion table.
When obtaining the port address transitional information of switching node, mark node with each IP address as a purpose address to each
Network node sends exchange information acquisition messages, disappears if receiving the corresponding network node of an IP address and being based on exchange acquisition of information
When ceasing the port address transitional information returned, determine that the network node is switching node, and receive the end of switching node return
Port address transitional information；If do not receive the port address transitional information that the corresponding network node of an IP address is returned,
Determine that the network node is service node.Here, exchange information acquisition messages for switching node can identify and service node without
The message of method identification；Alternatively, it is the message that switching node and service node can identify that exchange, which obtains message, such as：SNMP
Message, but at this point, service node does not have exchange capacity, it cannot respond to exchange information acquisition messages, and switching node has friendship
Transducing power, based on the exchange information port information of address conversion response exchange information acquisition messages of itself.
In one embodiment, after mark node determines the IP address of all-network node, with accessing each IP by IP address
The corresponding network node in location, obtains the node address information of each network node, and node address information may include each network node
The IP-MAC map information that IP address and MAC Address are characterized, by the node address information of all-network node form including
The IP-MAC mapping table of the IP-MAC map information of all-network node.Here, mark node can pass through address resolution protocol
The node address information of (Address Resolution Protocol, ARP) acquisition network node.In practical applications, indicate
Node, which obtains agreement used by the node address information of network node, may also comprise the agreement other than ARP, and the present embodiment is to this
Without limiting.
When mark node determines that a network node is switching node or service node, a network is identified by node type
Node is switching node or service node, determines a network node at this point, can identify by the node type of a network node
The node type of IP address or MAC Address.
S102, the direct-connected information between direct-connected switching node is determined according to the port address transitional information, and according to institute
It states port address transitional information and determines the second connection relation information between switching node and service node；
In one embodiment, mark node determines straight between direct-connected switching node according to the port address transitional information
Even information includes：The first switching node and the second switching node are determined according to the port address transitional information；Described first hands over
The corresponding network node of downlink port for changing node includes switching node, the corresponding net of downlink port of second switching node
Network node does not include switching node；According to the determination strategy of setting to the port address transitional information of the first switching node and second
The port address transitional information of switching node is analyzed, and determines the direct-connected information between direct-connected switching node.
When determining the first switching node and the second switching node according to the port address transitional information, according to port
Location transitional information judges whether the downlink port of a switching node is corresponding with switching node；It, should if be corresponding with switching node
Switching node is the first switching node, if do not correspond to switching node in downlink port, which is the second switching node,
The downlink port of second switching node is all connect with service node.
The port of switching node includes uplink port and downlink port, and uplink port is port corresponding with mark node,
Downlink port is the port other than uplink port, and in network structure as shown in Figure 2, mark node is service node X, exchange
Node includes A, B, C and D, and the MAC Address of X is MACX, and the MAC Address of A is MACA, and port includes A1, A2 and A3, the MAC of B
Location is MACB, and port includes B1, B2 and B3, and the MAC Address of C is MACC, and port includes C1, C2 and C3, and the MAC Address of D is
MACD, port include D1, D2 and D3；Wherein, port corresponding with X is A1 in port A1, A2 and A3 of A, then the uplink port of A
For A1, downlink port set includes A2 and A3；Port corresponding with X is B1 in port B1, B2 and B3 of B, then the uplink port of B
For B1, downlink port set includes B2 and B3；Port corresponding with X is C1 in port C1, C2 and C3 of C, then the uplink port of C
For C1, downlink port set includes C2 and C3；Port corresponding with X is D1 in port D1, D2 and D3 of D, then the uplink port of D
For C1, downlink port set includes D2 and D3.
In one embodiment, the determination strategy according to setting to the port address transitional information of the first switching node with
The port address transitional information of second switching node is analyzed, and determines that the direct-connected information between direct-connected switching node includes：Root
First queue is determined according to the first switching node, and second queue is determined according to the second switching node；Determine one in first queue
One switching node is node to be detected, is believed in the port of each downlink port of the port address transitional information of the node to be detected
The node identification of each second switching node in the second queue is successively searched in breath, it is determining direct-connected with the node to be detected
Direct-connected second switching node determines the direct-connected information between the node to be detected and direct-connected second switching node, according to described
Direct-connected information is adjusted the port address transitional information of the node to be detected, and is adjusted to the second queue；
It detects that the node to be detected is the second switching node, the node to be detected is pressed into the second queue；It is next to
It is successively searched in the port information of each downlink port in the port address transitional information of detection node each in the second queue
The node identification of two switching nodes, determining and direct-connected direct-connected second switching node of next node to be detected, until described first
Queue is that the empty and described second queue is empty.
In one embodiment, the port of each downlink port of the port address transitional information in the node to be detected
Successively search the node identification of each second switching node in second queue in information, it is determining direct-connected with the node to be detected straight
Even the second switching node includes：In the port address transitional information of node to be detected in the address list of each downlink port successively
Search the node identification of each second switching node；For one second switching node, if the content of address list is the second exchange section
The node identification of point determines that the second switching node is direct-connected second switching node direct-connected with the node to be detected.
It is described that is successively searched in the port information of each downlink port of the port address transitional information of node to be detected
The node identification of each second switching node in two queues, determining and direct-connected direct-connected second switching node of the node to be detected is also
Including：For one second switching node, if the quantity of switching node included by the content of address list is greater than 1, describedly
The node identification of second switching node is deleted in the list of location.
In one embodiment, it is described according to the direct-connected information to the port address transitional information of the node to be detected into
Row adjustment, and the second queue is adjusted：The end to be deleted of downlink port to be deleted is determined according to the direct-connected information
Message breath, the port information to be deleted is deleted from the port address transitional information of the node to be detected；By direct-connected
Two switching nodes are removed from the second queue.
In a network, direct-connected switching node is two switching nodes being directly connected to, straight between direct-connected switching node
Even information includes routing information when all direct-connected switching nodes are directly connected in network.For example, as shown in Figure 2
In network structure, switching node includes A, B, C and D, and the MAC Address of A is MACA, and port includes A1, A2 and A3, the MAC Address of B
For MACB, port includes B1, B2 and B3, and the MAC Address of C is MACC, and port includes C1, C2 and C3, and the MAC Address of D is MACD,
Port includes D1, D2 and D3；Wherein, A and B is direct-connected switching node, and A and C are direct-connected switching node, and B and D are direct-connected
Switching node, the direct-connected information between direct-connected switching node include：MACA：A2, MACB：B1；MACA：A3, MACC：C1；MACB：
B2, MACD：D1；Wherein, MACA：A2, MACB：It is logical that B1 characterizes the corresponding switching node B of the corresponding switching node A and MACB of MACA
The port B1 for crossing the port A2 and switching node B of switching node A is direct-connected, and others are similarly.
The port address transitional information of switching node for the service node that is connect with switching node by switching node into
Transmission path information when row data are transmitted can be according to port address under the premise of determining the node type of network node
Transitional information directly determines the service node connecting with a switching node, and can determine switching node and the business section that is connect
Corresponding port, i.e., can directly determine between switching node and service node according to port address transitional information when point connection
The second connection relation information.
S103, the first connection relationship letter that switching node is determined according to the direct-connected information between the direct-connected switching node
Breath；Connection relationship between the first connection relation information characterization switching node；
The direct-connected information includes local terminal node identification and peer node mark；Correspondingly, this step includes：For direct-connected
Each end node identification in information identifies true according to this end node identification and peer node corresponding with this end node identification
Fixed first direct-connected relationship；The first connection relation information interconnected of switching node is determined according to the first direct-connected relationship.First
Connection relationship in direct-connected relationship characterization node between two direct-connected switching nodes, according to the had all in network node
One direct-connected relationship determines the second direct-connected relationship for characterizing the connection relationship between all switching nodes.
Local terminal in direct-connected information and opposite end be it is opposite, one in two direct-connected switching nodes when being local terminal, then
Another is opposite end, and for different direct-connected switching nodes, a switching node can be used as local terminal simultaneously, also be can be used as pair
End.With above-mentioned example, direct-connected information includes：MACA：A2 (local terminal), MACB：B1 (opposite end)；MACA：A3 (local terminal), MACC：C1
(opposite end)；MACB：B2 (local terminal), MACD：D1 (opposite end)；Determine that the first direct-connected relationship includes according to above-mentioned direct-connected information：A and B
Direct-connected, A and C are direct-connected, and B is direct-connected with D；It is by the first connection relation information that the first direct-connected relationship can determine：A connection B and
C, B connect D, that is, the connection relationship between the switching node in network node shown in Fig. 2 has been determined.
S104, network topology is determined according to first connection relation information and second connection relation information.
According to the first connection relationship and S102 of the connection relationship of the S103 each service node of characterization and switching node determined
Second connection relationship of the connection relationship between determining characterization switching node determines that the connection of all-network node in network is closed
System is network topology.
In one embodiment, the network topology includes：Level-one switching node, level-one service node, second level switching node,
Secondary traffic node, three-level switching node, grade-3 service node, level Four switching node and level Four service node；
Correspondingly, described that network topology is determined according to first connection relation information and second connection relation information
Including：
According to first connection relation information using the most switching node of the quantity of direct-connected switching node as one
Grade switching node, will be direct-connected with level-one switching node and be not that the switching node of level-one switching node exchanges section as second level
Point, will be direct-connected with second level switching node and be not the switching node of second level switching node as three-level switching node；According to
Two connection relation informations will divide respectively with the direct-connected service node of level-one switching node, second level switching node and three-level switching node
It Zuo Wei not level-one service node, secondary traffic node and grade-3 service node；Level-one switching node, second level will be removed in switching node
Switching node other than switching node and three-level switching node will remove level-one business section as level Four switching node in service node
Service node other than point, secondary traffic node and grade-3 service node is as level Four service node.
Here, network topology is divided into 8 layers of structure, respectively includes the fourth layer node and four layer service nodes, wherein one
Grade switching node is the most switching node of direct-connected switching node, and the direct-connected switching node of level-one switching node is second level exchange section
Point, switching node that is direct-connected with second level switching node and being not belonging to level-one switching node are three-level switching node, except level-one exchanges
Switching node, that is, no-fix switching node except node, second level switching node and three-level switching node is level Four exchange section
Point respectively will be direct-connected with switching nodes at different levels after determining and switching node, second level switching node and three-level switching node
Service node of the service node as respective layer, and will except level-one service node, secondary traffic node and grade-3 service node it
Outer service node, that is, no-fix service node is level Four service node, to complete the determination of eight layer networks topology.
It should be noted that in the above-described embodiments, the structure of network topology is eight layers, in practical applications, Yong Huke
Determine that the level of network topology defines the structure to determine network topology according to actual needs, and according to the first connection relationship and the
Two connection relationships determine corresponding network topology.
In practical applications, after determining network topology, network topological diagram can be generated according to determining network topology, with side
Just monitoring and operation of the maintenance personnel to each network node.
In the determination method of network topology provided in an embodiment of the present invention, the port address conversion of each switching node is determined
Information；The direct-connected information between direct-connected switching node is determined according to the port address transitional information, and according to the port
Location transitional information determines the second connection relation information between switching node and service node；According to the direct-connected switching node
Between direct-connected information determine the first connection relation information of switching node, the first connection relation information characterization switching node it
Between connection relationship；Network topology is determined according to first connection relation information and second connection relation information；Pass through
The port address transitional information of switching node determines the first connection relationship of the connection relationship between characterization switching node, and characterization
Second connection relationship of the connection relationship between switching node and service node, it is true according to the first connection relationship and the second connection relationship
Determine the network topology between network node, can adapt to not be related to the network of routing, and sweep in the presence for not needing router
Retouch that speed is fast, good compatibility, economy are high.
Embodiment two
The present embodiment is that specific application scenarios open up network provided in an embodiment of the present invention with the electrical secondary system of substation
The determination method flutterred is further described.
Here, it is mark node that a service node is arbitrarily arranged in the electrical secondary system of substation, real on mark node
The determination method for applying network topology provided in an embodiment of the present invention, as shown in figure 3, including：
S301, IP-MAC mapping table is obtained；
S302, port-MAC mapping table is obtained；
S303, port-MAC mapping table is analyzed, generates port connection relationship table；
S304, port connection relational table and port-MAC mapping table are analyzed, generates network topology table；
S305, all devices place in 8 layers of structure of transformer station secondary system network is determined using network topology table
Layer；
S306, network topological diagram is drawn.
In above-mentioned S301, mark node obtains IP and MAC information in transformer station secondary system network using ARP, forms IP-
MAC mapping table, IP-MAC map sheet form as indicated at 4, are IP relation tables corresponding with MAC Address, wherein the IP of acquisition
Including IP1 to IPn, corresponding MAC Address is MAC1 to MACn.
In above-mentioned S302, mark node reads exchanger information in transformer station secondary system network, shape using snmp protocol
At port-MAC mapping table, that is, port address transitional information, the form of port address transitional information can be as shown in figure 5, be to indicate every
Each port of a interchanger and the table of MAC Address corresponding relationship, here, switching node includes interchanger 1,2 best friend of interchanger
Change planes n, and each interchanger respectively includes port 1, port 2 to port n, and here, for different interchangers, the size of n can
It is different, that is to say, that the quantity of the port of interchanger can be identical, can also be different, and the MAC Address sequence of each port numbers back is
The corresponding mac address table of the port numbers, such as：MAC Address in the corresponding mac address table in port 1 of interchanger 1 includes
MAC1,MAC2…MACn.Wherein, mark node can be accessed respectively by the IP address information of each network node obtained in S301
Network node determines switching node, and will not receive exchanger information while obtaining the exchanger information of switching node
Network node be identified as service node.
In above-mentioned S303, mark node analyzes port-MAC mapping table, generation port connection relationship table, that is, direct-connected
The step of information, is as follows：
S3031, the uplink port and downlink port collection that every interchanger is constructed from each switch port-MAC mapping table
It closes, while interchangers all in subnet is put into queue to be detected；
S3032, leaf interchanger is successively pressed into queue to be generated, while leaf interchanger is removed from queue to be detected,
In, queue to be generated is fifo queue；Leaf interchanger is the interchanger that all downlink ports are not connected with interchanger；
S3033, an interchanger is taken out from queue to be generated, become node to be detected；
S3034, inquiry is in the mac address table of each port in the downlink port set of each interchanger of queue to be detected
The no MAC Address comprising node to be detected；If occurring node to be detected in the mac address table of the downlink port of an interchanger
The entry number of interchanger is greater than 1 in MAC Address but the mac address table, then by the node to be detected in the mac address table
MAC Address is deleted；If only there is the MAC Address of node to be detected in the switching node in the mac address table of a bite of switching node,
Then the port numbers of port corresponding to this mac address table and the uplink port of node to be detected are directly connected to, while by this port
It is removed from the downlink port set of interchanger belonging to the port；
S3035, it is every traversed a node to be detected, if the downlink port collection of an interchanger is combined into sky, by this interchanger
It is pressed into node queue to be generated, while being removed from queue to be detected；
If S3036, queue to be generated be not empty, S3033 to S3036 is repeated, is generated including between all direct-connected switching nodes
Direct-connected information port connection relationship table, wherein port connection relationship table can as shown in fig. 6, include the direct-connected information of n item, this
Ground MAC1, local port, opposite end MAC1, Peer-Port 1 indicate the 1st article of direct-connected information, the corresponding switching node of MAC1 and opposite end
The corresponding switching node of MAC1 is two direct-connected switching nodes, and switching node is direct by local port 1 and Peer-Port 1
Connection, it should be noted that the numerical value in port connection relationship shown in fig. 6 indicates sequence number, not indicates specific a certain
A MAC Address or port numbers.
In above-mentioned S3031 to S3036, uplink port refers to the MAC Address for occurring book net mark node in interchanger
Port, downlink port collection are combined into the set that the port of interchanger is connected in interchanger, and leaf interchanger is all downlink ports
For the interchanger of end of blade mouth, the not connected downlink port for having interchanger of end of blade mouth downlink port.
In above-mentioned S304, mark node analyzes port connection relational table and port-MAC mapping table, generates network
The step of topology relation table, is as follows：
S3041, for the local mac of each single item in port connection relationship table, traverse every other item, search the MAC
With the connection relationship of other MAC, the switching node of all connections in network topology table of the MAC is generated；
S3042, the opposite end MAC for each single item in port connection relationship table, traverse every other item, search the MAC
With the connection relationship of other MAC, all connections with other switching nodes in network topology table of the MAC are generated；
S3043, traversal S4041 and S4042 generate the first connection relation information；
S3044, the second connection pass is generated according to the connection relationship of service node and switching node in the-MAC mapping table of port
It is information, the first connection relation information and the second connection relation information is inserted into service node, complete network is ultimately generated and opens up
Flutterring relation table, Fig. 7 is to network topology table for example, the port of interchanger x includes port 1, port 2 ... port n,
The corresponding interchanger x in port 1, corresponding equipment x ... ... the port n in port 2 is handed over to correspond to interchanger x and equipment x；The port of equipment x includes
Port 1, the corresponding interchanger x in port 1.It should be noted that the value for characterizing the x of different interchanger or equipment is different.
In practical applications, it as the direct-connected hub of a port of interchanger, when the upper direct-connected multiple equipment of hub, is based on
Hub can not be detected, direct-connected multiple equipment in a port of the interchanger.
In above-mentioned S305, mark node determines all-network node in transformer station secondary system using network topology table
8 layers of structure of network as shown in figure 8, specific steps are as follows：
S3051, traverses network topology relation table, lookup are directly connected to the most interchanger of other interchangers, it is determined as center
Interchanger S0, that is, level-one switching node is placed in the 2nd layer；
S3052, the non-switch D0 being connected directly with center switch i.e. level-one service node is placed in the 1st layer；
S3053, the interchanger S1 being connected directly with center switch i.e. second level switching node is placed in the 3rd layer；
S3054, the non-switch D1 being connected directly with third layer switching machine i.e. secondary traffic node is placed in the 4th layer；
S3055, it will be connected directly with third layer switching machine, and not be the interchanger S2 i.e. three-level exchange section of center switch
Point is placed in the 5th layer；
S3056, the non-switch D2 being connected directly with the 5th layer switch i.e. grade-3 service node is placed in the 6th layer；
S3057, interchanger S3, that is, level Four switching node of remaining no-fix is placed in the 7th layer；
S3058, non-switch D3, that is, level Four service node of remaining no-fix is placed in the 8th layer.
In a substation, network topology is defined as 8 layers, and can to make into figure result height and width more impartial, more at figure
Beauty, but in practical applications, it also may be defined as 6 layers or 10 layers etc..
It should be noted that the structure of mark node can be as shown in figure 9, include network sweep module 901, topological analysis mould
Block 902 and topology are at module 903；Wherein, network sweep module 901 executes S301 to S302, and topological analysis module 902 executes
S303 to S304, topology execute S305 to S306 at module 903.
The beneficial effect of the determination method of network topology provided in an embodiment of the present invention further includes the following：
1, when mark node reads exchanger information in transformer station secondary system network using SNMP, it is only necessary to read exchange
Mac address table information under generator terminal mouth, data volume is small, and network sweep speed is fast；And the mac address table letter under switch port
Breath is the SNMP information of standard, and compatibility is high.
2, information of the mark node independent of router meets the transformer station secondary system network architecture.
3, mark node has fully considered the transformer station secondary system network architecture when at figure, by interchanger and other equipment
It is quickly positioned in 8 layers of structure of network, speed good at figure effect is fast, readable high.
Embodiment three
The network topology that the embodiment of the present invention four provides the embodiment of the present invention one by taking network structure shown in Fig. 10 as an example
Determination method in S102 according to the port address transitional information determine the direct-connected information between direct-connected switching node into
Row further illustrates.
Network topology is as shown in figure 4, book network mark will nodes X connects the port A1, the port A2 of switch A of switch A
The port B1 of switch b, the port C1 of the port A3 connection interchanger C of switch A are connected, the port B2 connection of switch b is set
Standby a, the port C3 connection equipment of port C2 connection the equipment c, interchanger C of port B3 connection the equipment b, interchanger C of switch b
d。
Book network mark will nodes X makes all interchanger study to book by ping all devices, A, B, C, a, b, c, d
The MAC1 of network mark will nodes X, and mark node X reads the port mac addresses forwarding table of A, B, C using snmp, obtains port-
MAC mapping table, it is specific as follows：
Switch A (MAC2)：Port A1：MAC1；Port A2：MAC3, MAC5, MAC6；Port A3：MAC4, MAC7,
MAC8；
Switch b (MAC3)：Port B1：MAC1, MAC2, MAC4, MAC7, MAC8；Port B2：MAC5；Port B3：
MAC6；
Interchanger C (MAC4)：Port C1：MAC1, MAC2, MAC3, MAC5, MAC6；Port C2：MAC7；Port C3：
MAC8；
Wherein, port set includes：
Switch A：Uplink port set A1；Downlink port set A2, A3；Without end of blade mouth；
Switch b：Uplink port set B1；Downlink port set B2, B3；End of blade mouth set B2, B3；
Interchanger C：Uplink port set C1；Downlink port set C2, C3；End of blade mouth set C2, C3；
Leaf interchanger：B, C.
Mark node port-MAC mapping table determines that direct-connected information includes：
S401, all switch As of construction, the uplink port set of B, C, downlink port set, end of blade mouth set, determine leaf
Interchanger is B, C, and A, B, C are put into queue to be detected；
S402, leaf switch b, C are successively pressed into queue to be generated (this queue is fifo queue), while leaf is handed over
Change planes B, C is removed from queue to be detected；
S403, switch b is taken out from queue to be generated, becomes node to be detected；
S404, it is inquired in the mac address table of downlink port the set A2, A3 of switch A whether comprising switch b
MAC Address MAC3, has found in the mac address table of A2, and MAC3 only occurs in the MAC of interchanger, then generates a port connection relationship：
Local mac is MAC2, and local port A2, opposite end MAC are MAC3, Peer-Port B1, while A2 from the downlink port set of A
It removes；Inquired in the mac address table of downlink port the set C2, C3 of interchanger C whether include switch b MAC Address
MAC3 does not have found that then the B operation processing in queue to be generated is completed, it is removed from queue to be generated；Team to be generated at this time
It is C in column, is A in queue to be detected；
S405, interchanger C is taken out from queue to be generated, become node to be detected；
S406, inquire in the mac address table of the downlink port set A3 of switch A whether the MAC comprising interchanger C
Location MAC4, has found in the mac address table of A3, and MAC4 only occurs in the MAC of interchanger, then generates a port connection relationship：It is local
MAC is MAC2, and local port A3, opposite end MAC are MAC4, Peer-Port C1.A3 is moved from the downlink port set of A simultaneously
It goes, the downlink port collection of switch A is combined into sky at this time, and switch A is added in queue to be generated, and is moved from queue to be detected
It removes；Then the C operation processing in queue to be generated is completed, it is removed from queue to be generated；It is at this time A in queue to be generated, to
Detection queue is empty；
S407, switch A is taken out from queue to be generated, becomes node to be detected；
S408, discovery switch A are last interchanger, then A operation processing in queue to be generated is completed, by its from
Queue to be generated removes；Queue to be generated at this time is sky, and queue to be detected is sky, and process terminates；
S409, the connection relational table then obtained are as follows：
Local mac：MAC2, local port：A2, opposite end MAC：MAC3, Peer-Port：B1
Local mac：MAC2, local port：A3, opposite end MAC：MAC4, Peer-Port：C1.
Example IV
The embodiment of the present invention also provides a kind of determining device of network topology, and as shown in figure 11, which includes：Processor
1101, for storing the memory 1102 for the computer program that can be run on a processor；Wherein, the processor is for transporting
When the row computer program, execute：
Determine the port address transitional information of each switching node；Direct-connected friendship is determined according to the port address transitional information
Change the direct-connected information between node, and determined according to the port address transitional information between switching node and service node second
Connection relation information；The first connection relationship letter of switching node is determined according to the direct-connected information between the direct-connected switching node
Breath, first connection relation information characterize the connection relationship between switching node；According to first connection relation information and
Second connection relation information determines network topology.
In the exemplary embodiment, the embodiment of the invention also provides a kind of computer readable storage medium, for example including
Such as the memory 1102 of computer program, above-mentioned computer program can be executed by processor 1101, to complete described in preceding method
Step.Computer readable storage medium can be FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface and deposit
The memories such as reservoir, CD or CD-ROM.
A kind of computer readable storage medium, is stored thereon with computer program, which is run by processor
When, it executes：
Determine the port address transitional information of each switching node；Direct-connected friendship is determined according to the port address transitional information
Change the direct-connected information between node, and determined according to the port address transitional information between switching node and service node second
Connection relation information；The first connection relationship letter of switching node is determined according to the direct-connected information between the direct-connected switching node
Breath, first connection relation information characterize the connection relationship between switching node；According to first connection relation information and
Second connection relation information determines network topology.
When the computer program is run by processor, also execute：
Exchange information acquisition messages are sent to each network node；Receive the port for responding the exchange information acquisition messages
Information of address conversion, and determine that the network node for returning to the port address transitional information is switching node；Determination does not return to institute
The network node for stating port address transitional information is service node.
When the computer program is run by processor, execute it is described determined according to the port address transitional information it is direct-connected
Direct-connected information between switching node includes：
The first switching node and the second switching node are determined according to the port address transitional information；The first exchange section
The corresponding network node of downlink port of point includes switching node, the corresponding network section of the downlink port of second switching node
Point does not include switching node；It is exchanged according to port address transitional information of the determination strategy of setting to the first switching node with second
The port address transitional information of node is analyzed, and determines the direct-connected information between direct-connected switching node.
When the computer program is run by processor, the determination strategy according to setting is executed to the first switching node
Port address transitional information and the port address transitional information of the second switching node are analyzed, and are determined between direct-connected switching node
Direct-connected information include：
First queue is determined according to the first switching node, and second queue is determined according to the second switching node；Determine first
One first switching node is node to be detected in queue, in each downstream end of the port address transitional information of the node to be detected
Mouthful port information in successively search the node identification of each second switching node in the second queue, it is determining with it is described to be detected
Direct-connected direct-connected second switching node of node, determines the direct-connected letter between the node to be detected and direct-connected second switching node
Breath, is adjusted, and to second team according to port address transitional information of the direct-connected information to the node to be detected
Column are adjusted；It detects that the node to be detected is the second switching node, the node to be detected is pressed into second team
Column；Described second is successively searched in the port information of each downlink port in the port address transitional information of next node to be detected
The node identification of each second switching node in queue, determining and direct-connected direct-connected second switching node of next node to be detected, directly
To the first queue be sky and the second queue is empty.
When the computer program is run by processor, the port address transitional information in the node to be detected is executed
Each downlink port port information in successively search the node identification of each second switching node in second queue, it is determining with it is described
Direct-connected direct-connected second switching node of node to be detected includes：
Each second is successively searched in the address list of each downlink port in the port address transitional information of node to be detected
The node identification of switching node；For one second switching node, if the content of address list is the node mark of the second switching node
Know, determines that the second switching node is direct-connected second switching node direct-connected with the node to be detected.
When the computer program is run by processor, execute it is described according to the direct-connected information to the node to be detected
Port address transitional information is adjusted, and to the second queue be adjusted including：
The port information to be deleted that downlink port to be deleted is determined according to the direct-connected information believes the port to be deleted
Breath is deleted from the port address transitional information of the node to be detected；By direct-connected second switching node from the second queue
It removes.
When the computer program is run by processor, each of the port address transitional information in node to be detected is executed
Successively search the node identification of each second switching node in second queue in the port information of downlink port, it is determining with it is described to be checked
Surveying direct-connected direct-connected second switching node of node further includes：
For one second switching node, if the quantity of switching node included by the content of address list is greater than 1, described
The node identification of second switching node is deleted in address list.
When the computer program is run by processor, the direct-connected information includes local terminal node identification and peer node mark
Know；Correspondingly, it executes the direct-connected information according between the direct-connected switching node and determines that the first connection of switching node is closed
It is that information includes：
For each end node identification in direct-connected information, according to this end node identification and corresponding with this end node identification
Peer node identify determine the first direct-connected relationship；Determine switching node according to the first direct-connected relationship interconnected first connects
Connect relation information.
When the computer program is run by processor, the network topology includes：Level-one switching node, level-one business section
Point, second level switching node, secondary traffic node, three-level switching node, grade-3 service node, level Four switching node and level Four business
Node；
Correspondingly, execution is described determines network according to first connection relation information and second connection relation information
Topology includes：
According to first connection relation information using the most switching node of the quantity of direct-connected switching node as one
Grade switching node, will be direct-connected with level-one switching node and be not that the switching node of level-one switching node exchanges section as second level
Point, will be direct-connected with second level switching node and be not the switching node of second level switching node as three-level switching node；According to
Two connection relation informations will divide respectively with the direct-connected service node of level-one switching node, second level switching node and three-level switching node
It Zuo Wei not level-one service node, secondary traffic node and grade-3 service node；Level-one switching node, second level will be removed in switching node
Switching node other than switching node and three-level switching node will remove level-one business section as level Four switching node in service node
Service node other than point, secondary traffic node and grade-3 service node is as level Four service node.
Based on this, Figure 11 is that determining for the network topology where the computer readable storage medium of the embodiment of the present invention four fills
The determining device of the structural schematic diagram set, network topology shown in Figure 11 includes：At least one processor 1101 and memory
1102.Various components in the determining device of network topology are coupled by bus system 1103.It is understood that bus system
1103 for realizing the connection communication between these components.
It is appreciated that memory 1102 can be volatile memory or nonvolatile memory, volatibility may also comprise
Both with nonvolatile memory.Wherein, nonvolatile memory can be read-only memory (ROM, Read Only
Memory), programmable read only memory (PROM, Programmable Read-Only Memory), erasable programmable are read-only
Memory (EPROM, Erasable Programmable Read-Only Memory), electrically erasable programmable read-only memory
The storage of (EEPROM, Electrically Erasable Programmable Read-Only Memory), magnetic random access
Device (FRAM, ferromagnetic random access memory), flash memory (Flash Memory), magnetic surface are deposited
Reservoir, CD or CD-ROM (CD-ROM, Compact Disc Read-Only Memory)；Magnetic surface storage can be
Magnetic disk storage or magnetic tape storage.Volatile memory can be random access memory (RAM, Random Access
Memory), it is used as External Cache.By exemplary but be not restricted explanation, the RAM of many forms is available, such as
Static random access memory (SRAM, Static Random Access Memory), synchronous static random access memory
(SSRAM, Synchronous Static Random Access Memory), dynamic random access memory (DRAM,
Dynamic Random Access Memory), Synchronous Dynamic Random Access Memory (SDRAM, Synchronous
Dynamic Random Access Memory), double data speed synchronous dynamic RAM (DDRSDRAM,
Double Data Rate Synchronous Dynamic Random Access Memory), enhanced synchronous dynamic random
Access memory (ESDRAM, Enhanced Synchronous Dynamic Random Access Memory), synchronized links
Dynamic random access memory (SLDRAM, SyncLink Dynamic Random Access Memory), direct rambus
Random access memory (DRRAM, Direct Rambus Random Access Memory).Description of the embodiment of the present invention is deposited
Reservoir 1202 is intended to include but is not limited to the memory of these and any other suitable type.
Memory 1102 in the embodiment of the present invention is for storing various types of data to support the network of example IV
The operation of the determining device of topology.
The method that the embodiments of the present invention disclose can be applied in processor 1101, or real by processor 1101
It is existing.Processor 1101 may be a kind of IC chip, the processing capacity with signal.During realization, the above method
Each step can be completed by the instruction of the integrated logic circuit of the hardware in processor 1101 or software form.Above-mentioned
Processor 1101 can be general processor, digital signal processor (DSP, Digital Signal Processor), or
Other programmable logic device, discrete gate or transistor logic, discrete hardware components etc..Processor 1101 may be implemented
Or disclosed each method, step and logic diagram in the execution embodiment of the present invention.General processor can be microprocessor
Or any conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present invention, can be embodied directly in hardware
Decoding processor executes completion, or in decoding processor hardware and software module combination execute completion.Software module can
To be located in storage medium, which is located at memory 1102, and processor 1101 reads the information in memory 1102, knot
Close the step of its hardware completes preceding method.
In the exemplary embodiment, the determining device of the network topology of example IV can be dedicated by one or more application
Integrated circuit (ASIC, wireless extensions APplication Specific Integrated Circuit), DSP, programmable logic
Device (PLD, Programmable Logic Device), Complex Programmable Logic Devices (CPLD, Complex
Programmable Logic Device), field programmable gate array (FPGA, Field-Programmable Gate
Array), general processor, controller, microcontroller (MCU, Micro Controller Unit), microprocessor
(Microprocessor) or other electronic components are realized, for executing preceding method.
The above is only the preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (10)
1. a kind of determination method of network topology, which is characterized in that the method includes：
Determine the port address transitional information of each switching node；
The direct-connected information between direct-connected switching node is determined according to the port address transitional information, and according to the port address
Transitional information determines the second connection relation information between switching node and service node；
Determine the first connection relation information of switching node according to the direct-connected information between the direct-connected switching node, described first
Connection relation information characterizes the connection relationship between switching node；
Network topology is determined according to first connection relation information and second connection relation information.
2. the method according to claim 1, wherein the method also includes：
Exchange information acquisition messages are sent to each network node；
The port address transitional information for responding the exchange information acquisition messages is received, and determines that returning to the port address turns
The network node for changing information is switching node；
Determine that the network node for not returning to the port address transitional information is service node.
3. the method according to claim 1, wherein it is described determined according to the port address transitional information it is direct-connected
Switching node between direct-connected information include：
The first switching node and the second switching node are determined according to the port address transitional information；First switching node
The corresponding network node of downlink port includes switching node, and the corresponding network node of downlink port of second switching node is not
Including switching node；
To the port address transitional information of the first switching node and the port of the second switching node according to the determination strategy of setting
Location transitional information is analyzed, and determines the direct-connected information between direct-connected switching node.
4. according to the method described in claim 3, it is characterized in that, the determination strategy according to setting is to the first switching node
Port address transitional information and the port address transitional information of the second switching node analyzed, determine direct-connected switching node
Between direct-connected information include：
First queue is determined according to the first switching node, and second queue is determined according to the second switching node；
It determines that one first switching node is node to be detected in first queue, converts letter in the port address of the node to be detected
The node identification of each second switching node in the second queue is successively searched in the port information of each downlink port of breath, is determined
Direct-connected direct-connected second switching node with the node to be detected, determine the node to be detected and direct-connected second switching node it
Between direct-connected information, be adjusted according to port address transitional information of the direct-connected information to the node to be detected, and right
The second queue is adjusted；
It detects that the node to be detected is the second switching node, the node to be detected is pressed into the second queue；
Described is successively searched in the port information of each downlink port in the port address transitional information of next node to be detected
The node identification of each second switching node in two queues, determining and direct-connected direct-connected second switching node of next node to be detected,
It is empty until the first queue is the empty and described second queue.
5. according to the method described in claim 4, it is characterized in that, the port address in the node to be detected converts letter
The node identification of each second switching node in second queue, determining and institute are successively searched in the port information of each downlink port of breath
Stating direct-connected direct-connected second switching node of node to be detected includes：
Each second exchange is successively searched in the address list of each downlink port in the port address transitional information of node to be detected
The node identification of node；
The second exchange is determined if the content of address list is the node identification of the second switching node for one second switching node
Node is direct-connected second switching node direct-connected with the node to be detected.
6. according to the method described in claim 4, it is characterized in that, it is described according to the direct-connected information to the node to be detected
Port address transitional information be adjusted, and to the second queue be adjusted including：
The port information to be deleted that downlink port to be deleted is determined according to the direct-connected information, by the port information to be deleted from
It is deleted in the port address transitional information of the node to be detected；
Direct-connected second switching node is removed from the second queue.
7. according to the method described in claim 5, it is characterized in that, the port address transitional information in node to be detected
Successively search the node identification of each second switching node in second queue in the port information of each downlink port, it is determining with it is described to
Direct-connected direct-connected second switching node of detection node further includes：
For one second switching node, if the quantity of switching node included by the content of address list is greater than 1, in the address
The node identification of second switching node is deleted in list.
8. the method according to claim 1, wherein the direct-connected information includes local terminal node identification and to end segment
Point identification；
Correspondingly, the direct-connected information according between the direct-connected switching node determines the first connection relationship letter of switching node
Breath includes：
For each end node identification in direct-connected information, according to this end node identification and corresponding with this end node identification right
End node identification determines the first direct-connected relationship；
The first connection relation information interconnected of switching node is determined according to the first direct-connected relationship.
9. method according to claim 1 or 8, which is characterized in that the network topology includes：Level-one switching node, one
Grade service node, second level switching node, secondary traffic node, three-level switching node, grade-3 service node, level Four switching node and
Level Four service node；
Correspondingly, described that network topology packet is determined according to first connection relation information and second connection relation information
It includes：
It is handed over according to first connection relation information using the most switching node of the quantity of direct-connected switching node as level-one
Change node, using it is direct-connected with level-one switching node and not be level-one switching node switching node as second level switching node, will
Switching node that is direct-connected with second level switching node and not being second level switching node is as three-level switching node；
It respectively will be direct-connected with level-one switching node, second level switching node and three-level switching node according to the second connection relation information
Service node is respectively as level-one service node, secondary traffic node and grade-3 service node；
Using the switching node in switching node in addition to level-one switching node, second level switching node and three-level switching node as four
Grade switching node, by the business section in service node in addition to level-one service node, secondary traffic node and grade-3 service node
Point is used as level Four service node.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program when the computer program is executed by processor, realizes network topology as claimed in any one of claims 1-9 wherein
Determine method.
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