CN106169982B - Method, device and system for processing expansion port - Google Patents
Method, device and system for processing expansion port Download PDFInfo
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- H04L49/25—Routing or path finding in a switch fabric
- H04L49/253—Routing or path finding in a switch fabric using establishment or release of connections between ports
- H04L49/254—Centralised controller, i.e. arbitration or scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
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Abstract
The invention provides a processing method, a device and a system of an expansion port, wherein the method adopts an expansion device PE to send an expansion port establishing message to a control device CB, wherein the expansion port establishing message carries a port state of the expansion port of the PE, and the expansion port establishing message is used for informing the CB of establishing a virtual port of the expansion port and feeding the port state back to the virtual port by the CB.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a method, an apparatus, and a system for processing an expansion port.
Background
With the fire and heat of the cloud computing concept, the data center network technology has been changed dramatically, a large number of new technical standards appear in recent years, and equipment manufacturers have invested in massive resources to meet the new challenge. With the development of cloud computing and the proliferation of virtual machines, the data centers of enterprises inevitably cause management problems, and the network must adapt to a new virtualization technology trend. The network side has then made some new 802.1 standards for new technological trends and demand adjustments for virtual machine migration in data centers, etc. The 802.1BR standard is a standard specified by IEEE for local and metropolitan networks, aiming to break physical limitations, extend bridges and bridge management objects through 802LAN technology and interactive interfaces, remove a large number of policies and processing methods in terms of security and management from virtual machines and blade servers on network cards, and re-deliver them to physical ethernet switches connecting storage and computing resources, simplifying the management of data center systems. With the help of new Ethernet standards, the data center can support a converged network by using data center bridging, and performs flow control based on priority and increases congestion control.
The 802.1BR standard establishes an extended Bridge system, which includes a control device (CB) and one or more extension devices (Port extensions, PE). The CB configures and monitors the PEs via a PE Client Server Protocol (CSP for short). The PE reports the existing expansion Port to the CB through an expansion Port creation message (Extended Port Create) defined by the PE CSP, and the CB creates a corresponding virtual Port after receiving the message, so that a user can extend the Port of the physical bridge to a far-end PE through a point-to-point Local Area Network (LAN) connection. The PE reports the port state (MAC _ Operational) of the expansion port to the CB through a port state parameter setting (Status Parameters Set) message, and after receiving the message, the CB feeds back the MAC _ Operational state of the expansion port to the corresponding virtual port through a link state (MAC _ Enable) parameter.
The CB cannot directly know the state of the PE at the initial creation of the corresponding virtual port. At present, most equipment manufacturers adopt a method that after a PE is started, only an Extended Port with a MAC _ Operational state of "TRUE" is notified to a CB device through an Extended Port creation message (Extended Port Create), and the CB directly sets a MAC _ Enabled of a corresponding virtual Port as TRUE after receiving the message. The method has the disadvantages that the expansion port with the MAC _ Operational state being disconnected (FALSE) cannot be quickly found and monitored, and in addition, if the state of the expansion port is changed from TRUE to FALSE, the condition that the expansion port with the FALSE state may or may not have a corresponding virtual interface can occur.
For the problem that the control device CB cannot quickly discover and monitor the status information of the expansion port of the expansion device PE in the related art, an effective solution is not proposed at present.
Disclosure of Invention
The invention provides a method, a device and a system for processing an expansion port, which are used for at least solving the problem that a control device (CB) in the related technology cannot quickly discover and monitor the state information of the expansion port of an expansion device (PE).
According to an aspect of the present invention, there is provided an expansion port processing method, including:
the method comprises the steps that an expansion device PE sends an expansion port creating message to a control device CB, wherein the expansion port creating message carries a port state of an expansion port of the PE, and the expansion port creating message is used for informing the CB of creating a virtual port of the expansion port and feeding the port state back to the virtual port by the CB.
Further, the method further comprises:
and after receiving the response message of the expansion port establishing message, the PE sets the link state of the expansion port to be on.
Further, the step of the expansion port creation message carrying the port state of the expansion port of the PE includes:
and carrying the port state through a port state triple TLV field in the expansion port establishing message.
According to another aspect of the present invention, there is also provided an expansion port processing method, including:
the method comprises the steps that a control device (CB) receives an expansion port establishing message sent by an expansion device (PE), wherein the expansion port establishing message carries a port state of an expansion port of the PE;
and the CB establishes a virtual port of the expansion port according to the expansion port establishing message and feeds the port state back to the virtual port.
Further, feeding back the port status to the virtual port comprises:
and the CB feeds the port state back to the virtual port through a parameter value used for indicating the link state.
Further, the port status is carried in a port status triplet TLV in the extended port creation message.
According to another aspect of the present invention, there is also provided an expansion port processing apparatus, including:
a sending module, configured to send, by an expansion device PE, an expansion port creation message to a control device CB, where the expansion port creation message carries a port state of an expansion port of the PE, and the expansion port creation message is used to notify the CB to create a virtual port of the expansion port, and is used for the CB to feed back the port state to the virtual port.
Further, the apparatus further comprises:
and the response module is used for setting the link state of the expansion port to be on after the PE receives the response message of the expansion port creation message.
Further, the step of the expansion port creation message carrying the port state of the expansion port of the PE includes:
and carrying the port state through a port state triple TLV field in the expansion port establishing message.
According to still another aspect of the present invention, there is provided an expansion port processing apparatus, including:
a receiving module, configured to receive, by a control device CB, an expansion port creation message sent by an expansion device PE, where the expansion port creation message carries a port state of an expansion port of the PE;
and the creating module is used for creating the virtual port of the expansion port according to the expansion port creating message and feeding back the port state to the virtual port by the CB.
Further, feeding back the port status to the virtual port comprises:
and the CB feeds the port state back to the virtual port through a parameter value used for indicating the link state.
Further, the port status is carried in a port status triplet TLV in the extended port creation message.
According to still another aspect of the present invention, there is provided an expansion port processing system, including: a control device CB and one or more expansion devices PE;
the PE sends an expansion port establishing message to the CB, wherein the expansion port establishing message carries the port state of the expansion port of the PE;
and the CB establishes a virtual port of the expansion port according to the expansion port establishing message and feeds the port state back to the virtual port.
According to the invention, the expansion device PE is adopted to send the expansion port establishing message to the control device CB, wherein the expansion port establishing message carries the port state of the expansion port of the PE, and the expansion port establishing message is used for informing the CB of establishing the virtual port of the expansion port and feeding the port state back to the virtual port by the CB, so that the problem that the control device CB cannot rapidly discover and monitor the state information of the expansion port of the expansion device PE is solved, all the expansion ports and the state information of the PE can be rapidly discovered and monitored by the CB, and the processing efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a first flowchart of a method for processing an expansion port according to an embodiment of the present invention;
FIG. 2 is a flowchart II of a method for processing an expansion port according to an embodiment of the present invention;
FIG. 3 is a block diagram of a first embodiment of an expansion port processing apparatus;
FIG. 4 is a block diagram of a processing device for an expansion port according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of CB and PE networking in accordance with a preferred embodiment of the present invention;
fig. 6 is a schematic diagram of a CB fast discovery and monitoring PE workflow according to the related art;
fig. 7 is a schematic diagram of a CB fast discovery and monitoring PE workflow according to a preferred embodiment of the present invention.
Detailed Description
The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
In this embodiment, an expansion port processing method is provided, and fig. 1 is a first flowchart of an expansion port processing method according to an embodiment of the present invention, as shown in fig. 1, the flowchart includes the following steps:
step S102, an expansion device PE sends an expansion port establishing message to a control device CB, wherein the expansion port establishing message carries the port state of an expansion port of the PE;
step S104, the CB establishes the virtual port of the expansion port according to the expansion port establishing message and feeds back the port state to the virtual port.
Through the steps, the expansion device PE sends an expansion port establishing message to the control device CB, wherein the expansion port establishing message carries the port state of the expansion port of the PE, the expansion port establishing message is used for informing the CB of establishing the virtual port of the expansion port and is used for the CB to feed the port state back to the virtual port, the problem that the control device CB cannot quickly discover and monitor the state information of the expansion port of the expansion device PE is solved, all the expansion ports and the state information of the PE can be quickly discovered and monitored by the CB, and the processing efficiency is improved.
In this embodiment, after receiving the response message of the expansion port creation message, the PE sets the link status of the expansion port to on.
In this embodiment, the port status may be carried by a Type-length-Value (TLV) field of the port status triplet in the extended port creation message.
In this embodiment, an expansion port processing method is provided, and fig. 2 is a second flowchart of the expansion port processing method according to the embodiment of the present invention, as shown in fig. 2, the flowchart includes the following steps:
step S202, a control device CB receives an expansion port establishing message sent by an expansion device PE, wherein the expansion port establishing message carries a port state of an expansion port of the PE;
step S204, the CB establishes the virtual port of the expansion port according to the expansion port establishing message and feeds back the port state to the virtual port.
Through the steps, the control device CB receives an expansion port establishing message sent by the expansion device PE, wherein the expansion port establishing message carries the port state of the expansion port of the PE, the CB establishes the virtual port of the expansion port according to the expansion port establishing message and feeds the port state back to the virtual port, the problem that the control device CB cannot rapidly discover and monitor the state information of the expansion port of the expansion device PE is solved, all the expansion ports and the state information of the PE can be rapidly discovered and monitored by the CB, and the processing efficiency is improved.
In this embodiment, the CB feeds back the port status to the virtual port via a parameter value indicating the link status.
In this embodiment, the port status is carried in the port status triplet TLV in the extended port creation message.
In this embodiment, a processing device for an expansion port is further provided, and the device is used to implement the foregoing embodiments and preferred embodiments, and details of which have been already described are omitted. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.
Fig. 3 is a block diagram of a first configuration of a processing device for an expansion port according to an embodiment of the present invention, as shown in fig. 3, the device includes:
a sending module 32, configured to send an expansion port creation message to a control device CB by an expansion device PE, where the expansion port creation message carries a port state of an expansion port of the PE, and the expansion port creation message is used to notify the CB to create a virtual port of the expansion port, and is used for the CB to feed back the port state to the virtual port.
By the device, the expansion device PE sends the expansion port establishing message to the control device CB, wherein the expansion port establishing message carries the port state of the expansion port of the PE, and the expansion port establishing message is used for informing the CB of establishing the virtual port of the expansion port and feeding the port state back to the virtual port by the CB.
In this embodiment, the apparatus further comprises:
and the response module is used for setting the link state of the expansion port to be on after the PE receives the response message of the expansion port creation message.
Fig. 4 is a block diagram of a second configuration of a processing device for an expansion port according to an embodiment of the present invention, as shown in fig. 4, the device includes:
a receiving module 42, configured to receive, by a control device CB, an expansion port creation message sent by an expansion device PE, where the expansion port creation message carries a port state of an expansion port of the PE;
and the creating module 44 is configured to create, by the CB, a virtual port of the expansion port according to the expansion port creation message, and feed back the port status to the virtual port.
By the device, the control device CB receives the expansion port establishing message sent by the expansion device PE, wherein the expansion port establishing message carries the port state of the expansion port of the PE, the CB establishes the virtual port of the expansion port according to the expansion port establishing message and feeds the port state back to the virtual port, the problem that the control device CB cannot rapidly discover and monitor the state information of the expansion port of the expansion device PE is solved, all the expansion ports and the state information of the PE can be rapidly discovered and monitored by the CB, and the processing efficiency is improved.
In this embodiment, feeding back the port status to the virtual port includes:
the CB feeds back the port status to the virtual port via a parameter value indicating the link status.
In an embodiment of the present invention, there is also provided an expansion port processing system, including: a control device CB and one or more expansion devices PE;
the PE sends an expansion port establishing message to the CB, wherein the expansion port establishing message carries the port state of the expansion port of the PE;
and the CB establishes a virtual port of the expansion port according to the expansion port establishing message and feeds back the port state to the virtual port.
The present invention will be described in detail with reference to preferred examples and embodiments.
The preferred embodiment provided by the invention accelerates the discovery and monitoring of the CB on the PE expansion port, avoids the inconsistency of the CB virtual port and the PE expansion port, and reduces the message sending times.
The preferred embodiment of the present invention provides a method for a CB to quickly discover and monitor a PE extension port, including:
PE directly adds a Port parameter (Port Status) TLV in an Extended Port Create message, and carries the MAC _ Operational state of an Extended Port;
after receiving the Extended Port Create message, the CB creates a virtual Port corresponding to the Extended Port, and sets the state of the virtual Port and the MAC _ Enable parameter according to the MAC _ Operational state in the Port Status TLV.
Fig. 5 is a schematic diagram of CB and PE networking according to the preferred embodiment of the present invention, and as shown in fig. 5, the CB and the PE establish a connection, and at this time, MAC _ Operational of three expansion ports of the PE are all in a FALSE state.
The method for forwarding an entry across devices by an MAC according to the preferred embodiment of the present invention includes the following related work flows on the active device and the standby device in this embodiment:
fig. 6 is a schematic diagram of a CB fast discovery and monitoring PE workflow in the related art, as shown in fig. 6, according to the workflow of other equipment manufacturers, when the MAC _ Operational of the PE expansion ports 2 and 3 is changed to TRUE, two corresponding virtual ports are created, and at this time, the expansion port 1 of the PE cannot be discovered and monitored fast from the CB; when the expansion port 3MAC _ Operational is changed to FALSE again, the CB is still two virtual ports, and at this time, although the states of the expansion ports 1 and 3 are the same, the CB only has the corresponding virtual port of the expansion port 3, and does not have the virtual port of the expansion port 1, and only can monitor the expansion port 3.
Fig. 7 is a schematic diagram of a CB fast discovery and monitoring PE workflow according to a preferred embodiment of the present invention, as shown in fig. 7, according to the workflow of the preferred embodiment of the present invention, after the CB and the PE establish a connection, the PE notifies all of expansion ports 1, 2, 3 to the CB with an Extended Port Create message, and the CB creates three corresponding virtual interfaces according to the message, at this time, parameters of three expansion ports of the PE can be set and monitored from the CB; when MAC _ Operational of the PE expansion ports 2 and 3 is changed into TRUE, the PE sends Status Parameters Set information, and the CB can quickly monitor the expansion ports; when the expansion port 3MAC _ operation is changed into FALSE again, the PE also sends Status Parameters Set message, and the virtual port state of the CB and the expansion port state of the PE are still correspondingly kept consistent.
The preferred embodiment discloses a method for realizing CB rapid discovery and PE monitoring in a data center network technology, which comprises the following steps: establishing an extended bridge system comprising a CB and one or more PEs; defining a PE CSP protocol, thereby configuring and monitoring the PE through the CB; the PE reports the existing expansion Port to the CB through an Extended Port Create message defined by the PE CSP; the Port state (MAC _ Operational state) of the expansion Port is added in the Extended Port Create message, and the CB dynamically discovers the PE expansion Port through the message and obtains the state information of the expansion Port. After the invention is adopted, the CB can quickly find the expansion port of the PE equipment and can acquire the state information of the expansion port in time.
In addition, in the Extended bridge system, the PE reports the existing Extended Port to the CB through an Extended Port Create message and reports the MAC _ Operational state of the corresponding Extended Port to the CB;
after receiving the Extended Port Create message, the CB creates a corresponding virtual Port, so that a user can extend a Port of a physical bridge to a far-end PE through point-to-point LAN connection and feed back the MAC _ Operational state of the Extended Port to the corresponding virtual Port through a MAC _ Enable parameter;
after receiving the Extended Port Create response message, the PE sets TRUE to the MAC _ Enabled parameter of the Extended Port.
On the basis of the original PE CSP protocol, a PortStatus TLV is added in an Extended Port Create message and carries an expansion Port MAC _ Operational state.
The preferred embodiment provides a method for realizing the rapid discovery and monitoring of the PE by the CB in the data center network technology, which enables the CB to rapidly discover and monitor all the expansion ports of the PE by directly carrying the MAC _ Operational state of the expansion ports in the Extended Port Create message, simultaneously reduces the sending of Status Parameters Set message and improves the processing efficiency.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
The embodiment of the invention also provides a storage medium. Optionally, in this embodiment, the storage medium may be configured to store program codes for executing the method of the above embodiment:
optionally, in this embodiment, the storage medium may include, but is not limited to: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Alternatively, in the present embodiment, the processor executes the method of the above-described embodiment according to the program code stored in the storage medium.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A method for processing an expansion port, comprising:
an expansion device PE sends an expansion port creating message to a control device CB, wherein the expansion port creating message carries a port state of an expansion port of the PE, the PE adds a port parameter TLV in the expansion port creating message, the port parameter TLV carries a MAC _ Operational state of the expansion port, and the expansion port creating message is used for informing the CB to create a virtual port of the expansion port and is used for the CB to feed back the port state to the virtual port and set the state of the virtual port and a MAC _ Enable parameter according to the MAC _ Operational state in the port parameter TLV; and after receiving the response message of the expansion port establishing message, the PE sets the link state of the expansion port to be on.
2. The method of claim 1, wherein the expansion port creation message carrying the port state of the expansion port of the PE comprises:
and carrying the port state through a port state triple TLV field in the expansion port establishing message.
3. A method for processing an expansion port, comprising:
a control device (CB) receives an expansion port establishing message sent by an expansion device (PE), wherein the expansion port establishing message carries a port state of an expansion port of the PE, the PE adds a port parameter TLV in the expansion port establishing message, and the port parameter TLV carries an MAC _ Operational state of the expansion port;
the CB establishes a virtual port of the expansion port according to the expansion port establishing message, feeds back the port state to the virtual port and sets the state of the virtual port and a MAC _ Enabled parameter according to the MAC _ Operational state in the port parameter TLV; and the CB feeds the port state back to the virtual port through a parameter value used for indicating the link state.
4. The method of claim 3, comprising:
the port state is carried in a port state triplet TLV in the expansion port creation message.
5. An expansion port processing apparatus, comprising:
a sending module, configured to send an expansion port creation message to a control device CB by an expansion device PE, where the expansion port creation message carries a port state of an expansion port of the PE, the PE adds a port parameter TLV in the expansion port creation message, the port parameter TLV carries an MAC _ Operational state of the expansion port, and the expansion port creation message is used to notify the CB to create a virtual port of the expansion port, and is used for the CB to feed back the port state to the virtual port and set the state of the virtual port and an MAC _ Enabled parameter according to the MAC _ Operational state in the port parameter TLV;
and the response module is used for setting the link state of the expansion port to be on after the PE receives the response message of the expansion port creation message.
6. The apparatus of claim 5, wherein the expansion port create message carrying the port status of the expansion port of the PE comprises:
and carrying the port state through a port state triple TLV field in the expansion port establishing message.
7. An expansion port processing apparatus, comprising:
a receiving module, configured to receive, by a control device CB, an expansion port creation message sent by an expansion device PE, where the expansion port creation message carries a port state of an expansion port of the PE, and the PE adds a port parameter TLV to the expansion port creation message, where the port parameter TLV carries an MAC _ Operational state of the expansion port;
a creating module, configured to create, by the CB, a virtual port of the expansion port according to the expansion port creation message, feed back the port state to the virtual port, and set a state of the virtual port and a MAC _ Enabled parameter according to the MAC _ Operational state in the port parameter TLV;
the feeding back the port status to the virtual port comprises: and the CB feeds the port state back to the virtual port through a parameter value used for indicating the link state.
8. The apparatus of claim 7, comprising:
the port state is carried in a port state triplet TLV in the expansion port creation message.
9. An expansion port processing system, comprising: a control device CB and one or more expansion devices PE;
the PE sends an expansion port establishing message to the CB, wherein the expansion port establishing message carries a port state of an expansion port of the PE, the PE adds a port parameter TLV in the expansion port establishing message, and the port parameter TLV carries an MAC _ Operational state of the expansion port;
the CB establishes a virtual port of the expansion port according to the expansion port establishing message, feeds back the port state to the virtual port and sets the state of the virtual port and a MAC _ Enabled parameter according to the MAC _ Operational state in the port parameter TLV;
the feeding back the port status to the virtual port comprises: and the CB feeds the port state back to the virtual port through a parameter value used for indicating the link state.
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| CN201510280185.0A CN106169982B (en) | 2015-05-27 | 2015-05-27 | Method, device and system for processing expansion port |
| PCT/CN2015/096867 WO2016188081A1 (en) | 2015-05-27 | 2015-12-09 | Extended port processing method, apparatus and system |
| RU2017144315A RU2693903C1 (en) | 2015-05-27 | 2015-12-09 | Method, apparatus and processing system for expanded port |
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| CN108809672B (en) * | 2017-04-26 | 2022-04-19 | 中兴通讯股份有限公司 | Virtual port management method and device |
| CN109728991B (en) * | 2017-10-31 | 2021-11-02 | 中兴通讯股份有限公司 | Method, device, equipment and storage medium for rapidly recovering extended bridge system |
| CN109274516B (en) * | 2017-12-22 | 2022-01-25 | 新华三技术有限公司 | Extended network bridge and online control method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| RU2693903C1 (en) | 2019-07-05 |
| CN106169982A (en) | 2016-11-30 |
| WO2016188081A1 (en) | 2016-12-01 |
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