CN112751740B - ERPS subring resource release method, system, server and storage medium - Google Patents
ERPS subring resource release method, system, server and storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/42—Loop networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/42—Loop networks
- H04L12/423—Loop networks with centralised control, e.g. polling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0811—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
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Abstract
The invention relates to a method, a system, a server and a readable storage medium for releasing ERPS subring resources, which are characterized in that the invention detects the port state of a subring of an internet node, informs the other end node connected with the subring to obtain the connection state of the subring when the port disconnection is detected, judges that the subring is completely disconnected when the other end node is disconnected with the subring and the disconnection time exceeds a preset threshold value, and informs all main ring nodes to release the resources of the subring, thereby achieving the release of the subring resources, improving the utilization rate of the resources, and solving the technical problem that the resources can be continuously reserved for the subring by the main ring nodes when the subring does not need to be accessed into the main ring in the prior art, and the resources can not be reused in other services to cause resource waste.
Description
Technical Field
The present invention relates to the field of telecommunication technologies, and in particular, to a method, a system, a server, and a storage medium for releasing an ERPS subring resource.
Background
In the ethernet protocol, a mechanism of message distribution and duplication, called broadcast, is specified, which solves the problem of mutual understanding of the internal devices of the local area network, on the basis, the ethernet ring network structure is formed preliminarily, but the ring network structure has the wind problem of network storm, which easily causes serious consequences such as network paralysis, system crash and the like, so a ring network protection technology is needed to solve the risk brought by the ring network structure.
The ERPS (Ethernet Ring Protection Switching, Ethernet multi-Ring Protection technology) is the most mainstream Ring network Protection standard in the prior art, and divides a Ring network structure into a main Ring and a sub-Ring, and the sub-Ring supports a virtual channel mode and a non-virtual channel mode. When the sub-ring supports the virtual channel mode, the protocol packet of the sub-ring needs to be transmitted as a data packet on the main ring, that is, each node on the main ring needs to allow the protocol packet of the sub-ring to pass through. In order to implement the above process, protocol VLANs of the sub-ring need to be created on each node of the main ring, and the protocol VLANs of the sub-ring need to be added to the data VLAN list of the main ring on each node of the main ring.
However, when the sub-ring does not need to access the main ring, the main ring node will continue to reserve the VLAN resource allocated to the sub-ring, and this resource can not be used for other services, resulting in resource waste.
Disclosure of Invention
The invention provides a method, a system, a server and a storage medium for releasing ERPS subring resources, which aim to solve the technical problems that after the subrings are completely disconnected in the prior art, the main ring still reserves resources allocated for the subrings, and the resources are reused.
The invention solves the technical problem and provides an ERPS subring resource release method, which comprises the following steps:
detecting the state of a sub-ring port of an internet node;
when detecting that the connection state of a target sub-ring port and a node at one end is disconnected, informing a node at the other end connected with the target sub-ring to acquire the connection state of the target sub-ring;
and when the connection state of the other end node and the target sub-ring port is disconnected and the disconnection time exceeds a preset threshold value, judging that the target sub-ring is completely disconnected, and informing all main ring nodes to release the resources of the target sub-ring.
Preferably, the step of detecting the state of the sub-ring port of the internet node specifically includes:
monitoring the current state, the node role and the port state of the ERPS equipment, checking the monitored port state according to the current state, and calculating the other end node according to the node role.
Preferably, when it is detected that the connection state of the target sub-ring port and the node at one end is disconnected, the step of notifying the node at the other end connected to the target sub-ring to acquire the connection state of the target sub-ring specifically includes:
when the connection state of a target subring port and a node at one end is detected to be disconnected, a signal which carries the subring address information and is disconnected and in a chain connection state is sent to the node at the other end through an information interaction module;
and when the other end node receives the signal which carries the address information of the subring and is disconnected and in the chain connection state, monitoring the connection state of the other end node and the target subring.
Preferably, when the connection state between the other end node and the target sub-ring port is disconnection and the disconnection time exceeds a preset threshold, the step of determining that the target sub-ring is completely disconnected and notifying all the main ring nodes to release the resources of the target sub-ring specifically includes:
when the target sub-ring is monitored to be disconnected, a timer starts to time;
after the timer is overtime, if the subring is not accessed again, the subring is judged to be completely disconnected;
and informing all the main ring nodes to release VLAN resources through the information interaction module.
Preferably, after the timer expires and if the sub-ring is not connected again, the step of determining that the sub-ring is completely disconnected further includes:
sending a sub-ring disconnection signal to a preset IP and sending a VLAN resource release request;
releasing the signal in response to the returned consent or not receiving the signal for more than a preset time.
The invention also provides an ERPS subring resource release system, which comprises:
the port monitoring unit is used for detecting the state of a subring port of the internet node;
the disconnection processing unit is used for notifying the node at the other end connected with the target sub-ring to acquire the connection state of the target sub-ring when the disconnection of the connection state of the port of the target sub-ring and the node at one end is detected;
and the resource releasing unit is used for judging that the target subring is completely disconnected when the connection state of the other end node and the target subring port is disconnected and the disconnection time exceeds a preset threshold value, and informing all the main ring nodes to release the resources of the target subring.
The invention also provides an ERPS subring resource release server, which comprises: the ERPS subring resource releasing program is executed by the processor to realize the steps of the ERPS subring resource releasing method.
The present invention further provides a readable storage medium, where an ERPS sub-ring resource releasing program is stored, and when executed by a processor, the ERPS sub-ring resource releasing program implements the steps of the ERPS sub-ring resource releasing method described above.
The invention triggers the detection of the connection state of the subring by monitoring the port state of the subring and informs the node of the main ring to release the resources of the disconnected subring, thereby solving the technical problems that the main ring still reserves the resources allocated for the subring after the subring is completely disconnected in the prior art and the resources can not be reused, achieving the technical effect of releasing the resources for reuse and improving the utilization rate of the resources.
Drawings
Fig. 1 is a schematic structural diagram of a server in a hardware operating environment according to an embodiment of an ERPS subring resource release method of the present invention;
fig. 2 is a flowchart illustrating another embodiment of an ERPS sub-ring resource release method according to the present invention;
fig. 3 is a flowchart illustrating an ERPS sub-ring resource release method according to another embodiment of the present invention;
fig. 4 is a flowchart illustrating an ERPS sub-ring resource release method according to another embodiment of the present invention;
fig. 5 is a functional block diagram of an ERPS subring resource release system according to the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with specific embodiments, the examples given are intended to illustrate the invention and are not intended to limit the scope of the invention.
Referring to fig. 1, fig. 1 is a schematic diagram of a server structure of a hardware operating environment according to an embodiment of the present invention.
As shown in fig. 1, the server may include: a processor 1001, such as a CPU, a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may comprise a Display screen (Display), and the optional user interface 1003 may also comprise a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage server separate from the processor 1001.
Those skilled in the art will appreciate that the architecture shown in FIG. 1 does not constitute a limitation on the servers, and may include more or fewer components than those shown, or some components in combination, or a different arrangement of components.
As shown in fig. 1, a memory 1005, which is a kind of computer storage medium, may include therein an operating system, a network communication module, a user interface module, and an ERPS sub-ring resource release program.
In the network device shown in fig. 1, the network interface 1004 is mainly used for connecting to a backend server and performing data communication with the backend server; the user interface 1003 is mainly used for connecting peripheral equipment; the network device calls the ERPS sub-ring resource release program stored in the memory 1005 through the processor 1001, and performs the following operations:
detecting the state of a sub-ring port of an internet node;
when detecting that the connection state of a target sub-ring port and a node at one end is disconnected, informing a node at the other end connected with the target sub-ring to acquire the connection state of the target sub-ring;
and when the connection state of the other end node and the target sub-ring port is disconnected and the disconnection time exceeds a preset threshold value, judging that the target sub-ring is completely disconnected, and informing all main ring nodes to release the resources of the target sub-ring.
Further, the step of detecting the state of the sub-ring port of the internet node specifically includes:
monitoring the current state, the node role and the port state of the ERPS equipment, checking the monitored port state according to the current state, and calculating the other end node according to the node role.
Further, the step of notifying the node at the other end connected to the target sub-ring to acquire the connection state of the target sub-ring when it is detected that the connection state of the port of the target sub-ring and the node at one end is disconnected specifically includes:
when the connection state of a target subring port and a node at one end is detected to be disconnected, a signal which carries the subring address information and is disconnected and in a chain connection state is sent to the node at the other end through an information interaction module;
and when the other end node receives the signal which carries the address information of the subring and is disconnected and in the chain connection state, monitoring the connection state of the other end node and the target subring.
Further, when the connection state between the other end node and the target sub-ring port is disconnected and the disconnection time exceeds a preset threshold, it is determined that the target sub-ring is completely disconnected, and the step of notifying all the main ring nodes to release the resources of the target sub-ring specifically includes:
when the target sub-ring is monitored to be disconnected, a timer starts to time;
after the timer is overtime, if the subring is not accessed again, the subring is judged to be completely disconnected;
and informing all the main ring nodes to release VLAN resources through the information interaction module.
Further, after the timer expires and if the sub-ring is not accessed again, the step of determining that the sub-ring is completely disconnected further includes:
sending a sub-ring disconnection signal to a preset IP and sending a VLAN resource release request;
releasing the signal in response to the returned consent or not receiving the signal for more than a preset time.
In the embodiment, the detection of the connection state of the subring is triggered by monitoring the port state of the subring, when the complete disconnection of the subring is detected, the main ring node is notified to release the resources of the disconnected subring, so that the utilization rate of the resources is improved, the technical problem that the resources are still reserved for the subring by the main ring after the complete disconnection of the subring in the prior art and cannot be reused is solved, the technical effect of releasing the resources for reuse is achieved, and the utilization rate of the resources is improved.
Based on the hardware structure, the embodiment of the ERPS subring resource release method is provided.
The method for releasing the ERPS sub-ring resources described with reference to fig. 2 includes the following steps:
s10, detecting the state of a sub-ring port of the Internet node;
it is easy to understand that the ERPS state machine can detect the status of the sub-ring port, which is a function of the existing device, and the present embodiment utilizes the feature that the function can continuously monitor to find the port abnormality in time.
S20, when the connection state of the target sub-ring port and one end node is disconnected, informing the other end node connected with the target sub-ring to acquire the connection state of the target sub-ring;
it should be noted that, because most existing internet networks are connected through a ring structure, the same sub-ring should be connected to two main ring nodes, and when the sub-ring is disconnected from the two main ring nodes, the sub-ring is completely disconnected, so that the connection state of another end node needs to be acquired.
And S30, when the connection state of the other end node and the target sub-ring port is disconnected and the disconnection time exceeds a preset threshold value, judging that the target sub-ring is completely disconnected, and informing all main ring nodes to release the resources of the target sub-ring.
It is worth emphasizing that the connection state may be unstable due to weather or magnetic field interference, and in this case, the connection state is not completely disconnected, so the present embodiment determines whether the connection state is completely disconnected by calculating the disconnection time, where the disconnection time is a time of complete unresponsiveness after disconnection, and the time exceeds a time of restarting and updating the device, and is usually twice as long as the highest unresponsive time, and in the case of unstable network, although normal communication is not possible, a signal containing partial information should be transmitted, and if the disconnection state is complete unresponsive and exceeds a preset threshold, the sub-ring is considered to be completely disconnected.
In the embodiment, the connection state of the two ends of the sub-ring is monitored, the disconnection time threshold is set, the complete disconnection of the sub-ring is monitored, the purpose of releasing the completely disconnected sub-ring resources is achieved, the technical problem that the resources distributed for the sub-ring are still reserved by the main ring after the sub-ring is completely disconnected in the prior art and cannot be reused is solved, the technical effect of releasing the resources for reuse is achieved, and the resource utilization rate is improved.
Referring to fig. 3, the step of detecting the state of the sub-ring port of the internet node specifically includes:
s11, monitoring the current state, node role and port state of the ERPS device, checking the monitored port state according to the current state, and calculating the other end node according to the node role.
It is easy to understand that, because the ERPS device itself has the function of monitoring the current state, the node role, and the port state, the present embodiment utilizes its original function to confirm the monitored port state, that is, when the state of the ERPS device itself is abnormal, the detected port state may be inaccurate, so that the monitored port state needs to be checked according to the current state of the ERPS device, and at the same time, another node connected to the abnormal port is calculated through the node role to send the monitored abnormal information to the other node.
Specifically, the step of notifying the node at the other end connected to the target sub-ring to acquire the connection state of the target sub-ring when it is detected that the connection state of the port of the target sub-ring and the node at one end is disconnected specifically includes:
s21, when the connection state of the target sub-ring port and one end node is detected to be disconnected, sending a disconnected and chained signal carrying the sub-ring address information to the other end node through an information interaction module;
it should be noted that, since it is necessary to detect whether both end nodes are disconnected, it is necessary to report the connection status of the node to the other end node connected to the sub-ring, and since there are many main ring nodes, this embodiment transmits a signal with sub-ring address information so as to prevent the other end node from detecting another node or sub-ring connected thereto.
And S22, when the other end node receives the signal which carries the address information of the subring and is disconnected and in the chain connection state, monitoring the connection state of the other end node and the target subring.
It should be noted that, when one end has confirmed disconnection, detecting the connection state of the other end can confirm whether the sub-ring is completely disconnected, otherwise, a situation may occur that the sub-ring exchanges data only through the other end node, and the sub-ring itself has resource demand and can work normally but is released resource and cannot work normally.
Specifically, the step of judging that the target sub-ring is completely disconnected when the connection state between the other end node and the target sub-ring port is disconnected and the disconnection time exceeds a preset threshold, and notifying all main ring nodes to release the resources of the target sub-ring specifically includes:
s31, when the disconnection of the target sub-ring is monitored, a timer starts to time;
it should be emphasized that, in order to avoid the situation of unstable connection causing misjudgment of the broken sub-ring, the present embodiment waits for a certain time to see whether response is possible, and calculates the broken time by means of a timer for further operation.
S32, after the timer is overtime, if the sub-ring is not accessed again, the sub-ring is judged to be completely disconnected;
it is easy to understand that the timeout setting of the timer is relatively wide, mostly according to the past experience and a certain delay, the embodiment refers to the past experience data and the restarting and upgrading time of the device to reduce the misjudgment rate, and avoid the influence on the normal service, in general, the restarting time of the simple network type two-layer switch is generally several seconds to dozens of seconds, the restarting time of the three-layer switch is within one minute, the upgrading time of the two-layer/three-layer network type switch is generally three to five minutes, the timeout setting of the timer depends on the actual device and the actual use scene to set different values, the misjudgment rate is reduced, and the release speed of the subring resource of the present application is improved to a certain extent.
And S33, notifying all the main ring nodes to release VLAN resources through the information interaction module.
It should be noted that, because the resources occupied by the subring are mainly VLAN resources and port resources, and there are many mature prior arts that can perform the operation for releasing the port resources, the process of releasing the port can be accelerated to a certain extent after the complete disconnection of the subring is detected, so as to reduce resource waste.
Referring to fig. 4, specifically, after the step of determining that the subring is completely disconnected after the timer expires and if the subring is not reconnected, the method further includes:
s34, sending a sub-ring disconnection signal to a preset IP and sending a VLAN resource release request;
it is worth emphasizing that the change and scheduling of VLAN resources affect part of the traffic, so the present embodiment notifies the change of VLAN resources and the disconnection state of the sub-ring by sending a sub-ring disconnection signal to the preset IP to reduce the impact on the traffic depending on VLAN resources.
S35, releasing the signal in response to the returned agreement or not receiving the signal for more than a preset time.
It should be noted that, because some sub-rings are important, they usually do not need VLAN resources, so that it is necessary to receive a returned release grant signal or perform VLAN resource recovery after timeout occurs, thereby avoiding the problem that the sub-ring cannot communicate with the main ring immediately after the fault is repaired due to a temporary network device fault.
The embodiment improves the technical scheme by disclosing the specific method for releasing the subring resources, effectively solves the technical problems that the main ring still reserves the resources distributed for the subring and the resources cannot be reused after the subring is completely disconnected in a mode of releasing the target subring resources, reduces the influence on normal services by refining the release method of the VLAN resources, achieves the effect of releasing the subring resources, improves the resource utilization efficiency and improves the user experience.
The invention also provides an ERPS subring resource release system, which comprises:
the port monitoring unit 10 is used for detecting the state of a sub-ring port of the internet node;
a disconnection processing unit 20, configured to, when detecting that a connection state between a target sub-ring port and a node at one end is disconnected, notify a node at the other end connected to the target sub-ring to acquire the connection state of the target sub-ring;
and the resource releasing unit 30 is configured to, when the connection state between the other end node and the target sub-ring port is disconnected and the disconnection time exceeds a preset threshold, determine that the target sub-ring is completely disconnected, and notify all the main ring nodes to release the resources of the target sub-ring.
Since the system adopts all the technical solutions of all the embodiments, all the beneficial effects brought by the technical solutions of the embodiments are achieved above, and are not described in detail herein.
The invention also provides an ERPS subring resource release server, which comprises: the server adopts all technical solutions of all the embodiments described above, so that all the beneficial effects brought by the technical solutions of the embodiments described above are achieved, and details are not repeated herein.
The present invention further provides a readable storage medium, where an ERPS sub-ring resource releasing program is stored on the readable storage medium, and the ERPS sub-ring resource releasing program is executed by a processor to implement the steps of the ERPS sub-ring resource releasing method described above.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. An ERPS subring resource release method is characterized by comprising the following steps:
detecting the state of a sub-ring port of an internet node;
when detecting that the connection state of a target sub-ring port and a node at one end is disconnected, informing a node at the other end connected with the target sub-ring to acquire the connection state of the target sub-ring;
and when the connection state of the other end node and the target sub-ring port is disconnected and the disconnection time exceeds a preset threshold value, judging that the target sub-ring is completely disconnected, and informing all main ring nodes to release the VLAN resources of the target sub-ring.
2. The ERPS subring resource release method of claim 1, wherein the step of detecting the subring port state of the Internet node specifically comprises:
monitoring the current state, the node role and the port state of the ERPS equipment, checking the monitored port state according to the current state, and calculating the other end node according to the node role.
3. The ERPS subring resource release method according to claim 1, wherein the step of notifying the node at the other end connected to the target subring to acquire the connection state of the target subring when detecting that the connection state of the port of the target subring and the node at one end is disconnected specifically comprises:
when the connection state of a target subring port and a node at one end is detected to be disconnected, a signal which carries the subring address information and is disconnected and in a chain connection state is sent to the node at the other end through an information interaction module;
and when the other end node receives the signal which carries the address information of the subring and is disconnected and in the chain connection state, monitoring the connection state of the other end node and the target subring.
4. The ERPS subring resource release method according to claim 1, wherein the step of determining that the target subring is completely disconnected when the connection state between the other end node and the target subring port is disconnected and the disconnection time exceeds a preset threshold, and notifying all main ring nodes to release the resources of the target subring specifically comprises:
when the target sub-ring is monitored to be disconnected, a timer starts to time;
after the timer is overtime, if the subring is not accessed again, the subring is judged to be completely disconnected;
and informing all the main ring nodes to release VLAN resources through the information interaction module.
5. The ERPS subring resource release method of claim 4, wherein after the timer expires and if the subring is not reconnected, the step of determining that the subring has been completely disconnected further comprises:
sending a sub-ring disconnection signal to a preset IP and sending a VLAN resource release request;
releasing the signal in response to the returned consent or not receiving the signal for more than a preset time.
6. An ERPS subring resource release system, comprising:
the port monitoring unit is used for detecting the state of a subring port of the internet node;
the disconnection processing unit is used for notifying the node at the other end connected with the target sub-ring to acquire the connection state of the target sub-ring when the disconnection of the connection state of the port of the target sub-ring and the node at one end is detected;
and the resource release unit is used for judging that the target sub-ring is completely disconnected when the connection state of the other end node and the target sub-ring port is disconnected and the disconnection time exceeds a preset threshold value, and informing all the main ring nodes to release the VLAN resources of the target sub-ring.
7. A server, characterized in that the server comprises: memory, a processor and an ERPS sub-ring resource release program stored on the memory and operable on the processor, the ERPS sub-ring resource release program when executed by the processor implementing the steps of the ERPS sub-ring resource release method according to any of claims 1 to 5.
8. A readable storage medium, having stored thereon an ERPS sub-ring resource release program, which when executed by a processor, implements the steps of the ERPS sub-ring resource release method according to any one of claims 1 to 5.
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