CN108833306B - VSM system message transmission device and method - Google Patents
VSM system message transmission device and method Download PDFInfo
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- CN108833306B CN108833306B CN201811003623.9A CN201811003623A CN108833306B CN 108833306 B CN108833306 B CN 108833306B CN 201811003623 A CN201811003623 A CN 201811003623A CN 108833306 B CN108833306 B CN 108833306B
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Abstract
A VSM system message transmission device and method are disclosed. A VSM system messaging apparatus, the apparatus comprising: the device comprises a first GE channel, a second GE channel, a first exchange chip and a second exchange chip; the first switch chip is configured to: under the condition of receiving an interactive message sent by a CPU through the first GE channel, forwarding the message to a corresponding port of the second exchange chip; under the condition of receiving the interactive message sent by the second exchange chip through the second GE channel, sending the message to a CPU through the GE channel; the second switch chip is configured to: under the condition of receiving the interactive message sent by the first exchange chip through the second GE channel, sending the message to a corresponding member equipment port through a VSM channel; and under the condition of receiving an interactive message sent by a member equipment port through a VSM channel, sending the message to a corresponding port of the first exchange chip through the second GE channel.
Description
Technical Field
The embodiments of the present disclosure relate to the field of network communication technologies, and in particular, to a VSM system message transmission apparatus and method.
Background
VSM (virtual switch matrix) is a novel network device virtualization technology, and connects a plurality of network devices through physical ports to operate as a virtual logical device. Each member device in the VSM system comprises a CPU and an exchange chip, and a VSM channel is obtained through port aggregation of the exchange chip between the member devices and is used for message transmission through the VSM channel.
In the prior art, a CPU is generally connected to a switch chip through a PCI (Peripheral Component Interconnect) bus, and when a message is transmitted between member devices, the switch chip receives the message transmitted through a VSM channel, and then the switch chip sends the message to the CPU through the PCI bus for processing. Therefore, when there are many messages transmitted through the VSM channel, the PCI bus is overloaded and is blocked, which causes problems such as failure of normal message transmission among the member devices in the VSM system, unstable state, and the like.
Disclosure of Invention
In view of this, embodiments of the present specification provide a VSM system message transmission apparatus and method, where the technical scheme is as follows:
a VSM system messaging apparatus, the apparatus comprising:
the device comprises a first GE channel, a second GE channel, a first exchange chip and a second exchange chip; the CPU is connected with the first exchange chip through the first GE channel, the first exchange chip is connected with the second exchange chip through the second GE channel, and the second exchange chip is connected with exchange chips of other member devices through VSM channels;
the first switch chip is configured to: under the condition of receiving an interactive message sent by a CPU through the first GE channel, forwarding the message to a corresponding port of the second exchange chip; under the condition of receiving the interactive message sent by the second exchange chip through the second GE channel, sending the message to a CPU through the GE channel;
the second switch chip is configured to: under the condition of receiving the interactive message sent by the first exchange chip through the second GE channel, sending the message to a corresponding member equipment port through a VSM channel; under the condition of receiving an interactive message sent by a member equipment port through a VSM channel, sending the message to a corresponding port of the first exchange chip through the second GE channel;
and the interactive message is a message transmitted between member devices in the VSM system.
A VSM system message transmission method is applied to equipment comprising a first GE channel, a second GE channel, a first exchange chip and a second exchange chip, a CPU is connected with the first exchange chip through the first GE channel, the first exchange chip is connected with the second exchange chip through the second GE channel, and the second exchange chip is connected with exchange chips of other member equipment through the VSM channel, and the method comprises the following steps:
under the condition that the first exchange chip receives an interactive message sent by the CPU through the first GE channel, the message is forwarded to a corresponding port of the second exchange chip;
the second exchange chip sends the message to the corresponding member equipment port through the VSM channel under the condition of receiving the interactive message sent by the first exchange chip through the second GE channel;
under the condition that a second exchange chip receives an interaction message sent by a member equipment port through a VSM channel, the message is sent to a corresponding port of the first exchange chip through the second GE channel;
under the condition that the first exchange chip receives the interactive message sent by the second exchange chip through the second GE channel, the message is sent to the CPU through the GE channel;
and the interactive message is a message transmitted between member devices in the VSM system.
The technical solution provided in the embodiment of the present specification sets a dedicated transmission path for mutual messages sent between member devices in a VSM system, and the path uses a GE channel with a larger bandwidth, so as to ensure that messages transmitted between the member devices can be stably transmitted, and avoid instability of the system due to channel congestion.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of embodiments of the invention.
In addition, any one of the embodiments in the present specification is not required to achieve all of the effects described above.
Drawings
In order to more clearly illustrate the embodiments of the present specification or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present specification, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic view of an application scenario of a VSM system message transmission apparatus according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a VSM system message transmission apparatus according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of a first switch chip according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a second switch chip according to an embodiment of the present disclosure;
fig. 5 is a flowchart illustrating a VSM system message transmission method according to an embodiment of the present disclosure.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the embodiments of the present specification, the technical solutions in the embodiments of the present specification will be described in detail below with reference to the drawings in the embodiments of the present specification, and it is obvious that the described embodiments are only a part of the embodiments of the present specification, and not all the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of protection.
An application scenario of the embodiment of the present application is shown in fig. 1, and a plurality of network devices may form a VSM system by connecting physical ports, so as to virtualize a logical device for management and use, thereby improving reliability of a network and simplifying network configuration and maintenance processes. The VSM system may include a plurality of member devices, and the VSM system shown in fig. 1 is composed of two member devices.
The member devices of the VSM system are mainly composed of a CPU and a switch chip, and in the prior art, the CPU and each switch device are generally connected through a PCI bus. In addition, according to the requirement of users for bandwidth, several ports of 1 or more switching chips can be aggregated to form a VSM channel to connect other member devices in the system.
And data transmission is carried out among member devices in the VSM system through VSM channels. For example, the CPU in the network device 1 first sends a message to the switch chip 1 in the device through the PCI bus, the switch chip 1 sends the message to the switch chip of the network device 2, such as the switch chip 1, through the VSM channel, and the switch chip 1 of the network device 2 sends the message to the CPU of the device through the PCI bus, thereby completing the transmission between the CPUs of the member devices in the VSM system.
The VSM channel formed by aggregation in the VSM system is only used for data transmission between member devices, and the PCI channel between the CPU and the exchange chip in the VSM system is also used for data transmission between the member devices and other devices outside the VSM system, so that when the data transmission amount is large, although the VSM channel can realize the bandwidth meeting the requirement through the increase of the number of aggregation ports, if the PCI bus in the VSM system is not enough to bear the transmitted data amount, the data transmitted between the member devices is still lost, and the problems of instability and the like of the VSM devices are caused.
In view of the above problem, referring to fig. 2, the present application provides a VSM system message transmission apparatus, which is applied to each member device of a VSM system, and includes a first GE channel, a second GE channel, a first switching chip (e.g., the switching chip 4 of the member device 1 in the figure), and a second switching chip (e.g., the switching chip 1 of the member device 1 in the figure).
The CPU is connected with the first exchange chip through the first GE channel, the first exchange chip is connected with the second exchange chip through the second GE channel, and the second exchange chip is connected with the exchange chips of other member devices through the VSM channel.
The following will specifically describe a process of transmitting an interactive message between each member device in the VSM system, where the interactive message is transmitted between the CPU, the first switching chip, and the second switching chip in each member device through the first GE channel and the second GE channel. It is understood that the interaction messages in the embodiments of the present description include, but are not limited to, a master-slave device negotiation message, a heartbeat message, and/or a switch chip management message.
Under the condition that the first exchange chip receives an interactive message sent by the CPU through the first GE channel, the message is forwarded to a corresponding port of the second exchange chip; and under the condition of receiving the interactive message sent by the second exchange chip through the second GE channel, sending the message to the CPU through the GE channel.
The second exchange chip sends the message to the corresponding member equipment port through the VSM channel under the condition of receiving the interactive message sent by the first exchange chip through the second GE channel; and under the condition of receiving an interactive message sent by a member equipment port through a VSM channel, sending the message to a corresponding port of the first exchange chip through the second GE channel.
In an embodiment of this specification, referring to fig. 3, the first switch chip may specifically include a first rule reading module and a first packet forwarding module, and it may be understood that the first rule reading module and the first packet forwarding module may be modules in a physical layer or a logical layer, which is not limited in this specification.
Specifically, the first rule reading module is configured to read a first message forwarding rule configured in advance when the interactive message is received. The first message forwarding module is configured to, when the received interactive message is an interactive message sent by the CPU through the first GE channel, determine, according to the first message forwarding rule, that the message is forwarded to a port corresponding to the second switching chip, and forward the message to the port; and determining and forwarding the received interactive message to the CPU according to the first message forwarding rule under the condition that the received interactive message is the interactive message sent by the second exchange chip through the second GE channel.
Correspondingly, in another embodiment of this specification, referring to fig. 4, the second switch chip may specifically include a second rule reading module and a second packet forwarding module, and it can be understood that the first rule reading module and the first packet forwarding module may be modules in a physical layer or a logical layer, which is not limited in this specification embodiment.
Specifically, the second rule reading module is configured to read a second message forwarding rule configured in advance when the interactive message is received. The second message forwarding module is configured to, when the received interactive message is an interactive message sent by the first switching chip through the second GE channel, determine, according to the second message forwarding rule, a port corresponding to the message forwarding to the member device, and forward the message to the port; and determining that the received interactive message is forwarded to the port corresponding to the first switching chip according to the second message forwarding rule under the condition that the received interactive message is the interactive message sent by the member equipment port through the VSM channel, and forwarding the message to the port.
The message forwarding rule described in this specification may be implemented in various forms, for example, the rule may be a MAC address table, an access control list ACL, or the like.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of the embodiments of the present specification. One of ordinary skill in the art can understand and implement it without inventive effort.
Corresponding to the above device embodiment, an embodiment of the present specification further provides a VSM system message transmission method, as shown in fig. 5, where the method may include the following steps:
s101, under the condition that a first exchange chip receives an interactive message sent by a CPU through a first GE channel, the message is forwarded to a corresponding port of a second exchange chip;
s102, the second exchange chip sends the message to the corresponding member equipment port through the VSM channel under the condition of receiving the interactive message sent by the first exchange chip through the second GE channel;
s103, under the condition that the second exchange chip receives an interactive message sent by a member equipment port through a VSM channel, the message is sent to a corresponding port of the first exchange chip through the second GE channel;
and S104, the first exchange chip sends the message to the CPU through the GE channel under the condition of receiving the interactive message sent by the second exchange chip through the second GE channel.
In a specific implementation manner of the embodiment of this specification, in the case that the interactive packet sent by the CPU through the first GE channel is received, forwarding the packet to the corresponding port of the second switch chip may include:
reading a first message forwarding rule configured in advance under the condition of receiving an interactive message;
under the condition that the received interactive message is the interactive message sent by the CPU through the first GE channel, determining that the message is forwarded to a port corresponding to the second exchange chip according to the first message forwarding rule;
and forwarding the received interactive message to the determined port corresponding to the second switching chip.
The sending, when receiving the interactive packet sent by the second exchange chip through the second GE channel, the packet to the CPU through the GE channel may include:
reading a first message forwarding rule configured in advance under the condition of receiving an interactive message;
and under the condition that the received interactive message is the interactive message sent by the second exchange chip through the second GE channel, determining and forwarding the message to the CPU according to the first message forwarding rule.
In a specific implementation manner of the embodiment of the present specification, the sending, when receiving the interactive packet sent by the first switch chip through the second GE channel, the packet to a corresponding member device port through a VSM channel may include:
reading a second message forwarding rule configured in advance under the condition of receiving the interactive message;
under the condition that the received interactive message is the interactive message sent by the first exchange chip through the second GE channel, determining a port corresponding to the message forwarding to the member equipment according to the second message forwarding rule;
forwarding the received interactive message to a port corresponding to the determined member equipment;
the sending, when receiving an interaction packet sent by a member device port through a VSM channel, the packet to a corresponding port of the first switch chip through the second GE channel may include:
reading a second message forwarding rule configured in advance under the condition of receiving the interactive message;
determining that the received interactive message is forwarded to a port corresponding to the first switching chip according to the second message forwarding rule under the condition that the received interactive message is an interactive message sent by a member equipment port through a VSM channel;
and forwarding the received interactive message to the determined port corresponding to the first switching chip.
In a specific implementation manner of this embodiment, the packet forwarding rule may include:
a medium access control MAC address table, or an access control list ACL.
In a specific implementation manner of this embodiment, the interactive packet may include:
the master device negotiates messages, heartbeat messages, and/or switch chip management messages.
The implementation process of each step in the above method is specifically described in the implementation process of the function and action of the corresponding unit in the above device, and is not described herein again. For the method embodiments, since they substantially correspond to the apparatus embodiments, reference may be made to the apparatus embodiments for relevant portions of the description.
While this specification contains many specific implementation details, these should not be construed as limitations on the scope of any invention or of what may be claimed, but rather as descriptions of features specific to particular embodiments of particular inventions. Certain features that are described in this specification in the context of separate embodiments can also be implemented in combination in a single embodiment. In other instances, features described in connection with one embodiment may be implemented as discrete components or in any suitable subcombination. Moreover, although features may be described above as acting in certain combinations and even initially claimed as such, one or more features from a claimed combination can in some cases be excised from the combination, and the claimed combination may be directed to a subcombination or variation of a subcombination.
Similarly, while operations are depicted in the drawings in a particular order, this should not be understood as requiring that such operations be performed in the particular order shown or in sequential order, or that all illustrated operations be performed, to achieve desirable results. In some cases, multitasking and parallel processing may be advantageous. Moreover, the separation of various system modules and components in the embodiments described above should not be understood as requiring such separation in all embodiments, and it should be understood that the described program components and systems can generally be integrated together in a single software product or packaged into multiple software products.
Thus, particular embodiments of the subject matter have been described. Other embodiments are within the scope of the following claims. In some cases, the actions recited in the claims can be performed in a different order and still achieve desirable results. Further, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some implementations, multitasking and parallel processing may be advantageous.
The above description is only a preferred embodiment of the present disclosure, and should not be taken as limiting the present disclosure, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure.
Claims (10)
1. A VSM system message transmission device is characterized in that the device is applied to any member device in a VSM system; the device comprises:
the device comprises a CPU, a first GE channel, a second GE channel, a first exchange chip and a second exchange chip; the CPU is connected with the first exchange chip through the first GE channel, the first exchange chip is connected with the second exchange chip through the second GE channel, and the second exchange chip is connected with exchange chips of other member devices through VSM channels;
the first switch chip is configured to: under the condition of receiving an interactive message sent by a CPU through the first GE channel, forwarding the message to a corresponding port of the second exchange chip; under the condition of receiving the interactive message sent by the second exchange chip through the second GE channel, sending the message to a CPU through the first GE channel;
the second switch chip is configured to: under the condition of receiving the interactive message sent by the first exchange chip through the second GE channel, sending the message to a corresponding member equipment port through a VSM channel; under the condition of receiving an interactive message sent by a member equipment port through a VSM channel, sending the message to a corresponding port of the first exchange chip through the second GE channel;
and the interactive message is a message transmitted between member devices in the VSM system.
2. The apparatus of claim 1, wherein the first switch chip comprises: the first rule reading module and the first message forwarding module;
the first rule reading module is used for reading a first message forwarding rule configured in advance under the condition of receiving the interactive message;
the first message forwarding module is configured to, when the received interactive message is an interactive message sent by the CPU through the first GE channel, determine, according to the first message forwarding rule, that the message is forwarded to a port corresponding to the second switching chip, and forward the message to the port; and determining and forwarding the received interactive message to the CPU according to the first message forwarding rule under the condition that the received interactive message is the interactive message sent by the second exchange chip through the second GE channel.
3. The apparatus of claim 1, wherein the second switch chip comprises: the second rule reading module and the second message forwarding module;
the second rule reading module is used for reading a second message forwarding rule configured in advance under the condition of receiving the interactive message;
the second packet forwarding module is configured to, when the received interactive packet is an interactive packet sent by the first exchange chip through the second GE channel, determine, according to the second packet forwarding rule, a port corresponding to the packet forwarding apparatus, and forward the packet to the port; and determining that the received interactive message is forwarded to the port corresponding to the first switching chip according to the second message forwarding rule under the condition that the received interactive message is the interactive message sent by the member equipment port through the VSM channel, and forwarding the message to the port.
4. The apparatus according to claim 2 or 3, wherein the packet forwarding rule comprises:
a medium access control MAC address table, or an access control list ACL.
5. The apparatus of claim 1, wherein the interaction message comprises:
the master device negotiates messages, heartbeat messages, and/or switch chip management messages.
6. A VSM system message transmission method is characterized in that the method is applied to any member device in a VSM system, the member device comprises a CPU, a first GE channel, a second GE channel, a first exchange chip and a second exchange chip, the CPU is connected with the first exchange chip through the first GE channel, the first exchange chip is connected with the second exchange chip through the second GE channel, and the second exchange chip is connected with exchange chips of other member devices through the VSM channel, and the method comprises the following steps:
under the condition that the first exchange chip receives an interactive message sent by the CPU through the first GE channel, the message is forwarded to a corresponding port of the second exchange chip;
the second exchange chip sends the message to the corresponding member equipment port through the VSM channel under the condition of receiving the interactive message sent by the first exchange chip through the second GE channel;
under the condition that a second exchange chip receives an interaction message sent by a member equipment port through a VSM channel, the message is sent to a corresponding port of the first exchange chip through the second GE channel;
under the condition that the first exchange chip receives the interactive message sent by the second exchange chip through the second GE channel, the message is sent to the CPU through the first GE channel;
and the interactive message is a message transmitted between member devices in the VSM system.
7. The method of claim 6,
the forwarding the interactive packet to the corresponding port of the second switch chip when receiving the interactive packet sent by the CPU through the first GE channel includes:
reading a first message forwarding rule configured in advance under the condition of receiving an interactive message;
under the condition that the received interactive message is the interactive message sent by the CPU through the first GE channel, determining that the message is forwarded to a port corresponding to the second exchange chip according to the first message forwarding rule;
forwarding the received interactive message to the determined port corresponding to the second switching chip;
and sending the message to the CPU through the first GE channel under the condition that the interactive message sent by the second exchange chip through the second GE channel is received, including:
reading a first message forwarding rule configured in advance under the condition of receiving an interactive message;
and under the condition that the received interactive message is the interactive message sent by the second exchange chip through the second GE channel, determining and forwarding the message to the CPU according to the first message forwarding rule.
8. The method of claim 6,
and sending the message to a corresponding member device port through a VSM channel under the condition that the interactive message sent by the first exchange chip through the second GE channel is received, including:
reading a second message forwarding rule configured in advance under the condition of receiving the interactive message;
under the condition that the received interactive message is the interactive message sent by the first exchange chip through the second GE channel, determining a port corresponding to the message forwarding to the member equipment according to the second message forwarding rule;
forwarding the received interactive message to a port corresponding to the determined member equipment;
the sending the message to the corresponding port of the first switch chip through the second GE channel under the condition of receiving the interactive message sent by the member device port through the VSM channel includes:
reading a second message forwarding rule configured in advance under the condition of receiving the interactive message;
determining that the received interactive message is forwarded to a port corresponding to the first switching chip according to the second message forwarding rule under the condition that the received interactive message is an interactive message sent by a member equipment port through a VSM channel;
and forwarding the received interactive message to the determined port corresponding to the first switching chip.
9. The method according to claim 7 or 8, wherein the packet forwarding rule comprises:
a medium access control MAC address table, or an access control list ACL.
10. The method of claim 6, wherein the interactive message comprises:
the master device negotiates messages, heartbeat messages, and/or switch chip management messages.
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