CN113746724B - Message transmission method, device, electronic equipment and medium - Google Patents

Message transmission method, device, electronic equipment and medium Download PDF

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Publication number
CN113746724B
CN113746724B CN202111305788.3A CN202111305788A CN113746724B CN 113746724 B CN113746724 B CN 113746724B CN 202111305788 A CN202111305788 A CN 202111305788A CN 113746724 B CN113746724 B CN 113746724B
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message
network device
received
specified network
receiving
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CN113746724A (en
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李豪
董建波
张泽超
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Alibaba China Co Ltd
Alibaba Cloud Computing Ltd
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Alibaba China Co Ltd
Alibaba Cloud Computing Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/133—Protocols for remote procedure calls [RPC]

Abstract

The embodiment of the disclosure discloses a message transmission method, a message transmission device, electronic equipment and a medium. The message transmission method comprises the following steps: receiving meta information of a first message; in response to receiving the meta information of the first message, determining whether to receive the first message through a specified network device according to the number of messages being received on the specified network device, wherein the messages being received refer to messages which are allowed to be sent to the specified network device and have not been received by the specified network device; and if the first message is determined to be received through the designated network equipment, sending a first notification, wherein the first notification is used for informing a sender of the first message to send the first message, so that network congestion is avoided under the condition of not needing global information, and the message transmission time is saved.

Description

Message transmission method, device, electronic equipment and medium
Technical Field
The present disclosure relates to the field of device technologies, and in particular, to a message transmission method, apparatus, electronic device, and medium.
Background
Distributed point-to-point communication is widely applied in the scenes of deep learning training frames, Remote Procedure Call (RPC) frames, big data systems, distributed storage systems, e-commerce services and the like. The communication mode has strong randomness and shows that communication participants cannot perceive global network topology information and cannot predict the communication initiation time. This causes congestion, packet loss, long tail, and uneven traffic in the communication process, which seriously affects the network performance. In data center networks, there is a need to improve the efficiency of distributed peer-to-peer communication in the absence of network global information.
Disclosure of Invention
In order to solve the problems in the related art, embodiments of the present disclosure provide a message transmission method, device, electronic device, and medium.
In a first aspect, a message transmission method is provided in the embodiments of the present disclosure.
Specifically, the message transmission method includes:
receiving meta information of a first message;
in response to receiving the meta information of the first message, determining whether to receive the first message through a specified network device according to the number of messages being received on the specified network device, wherein the messages being received refer to messages which are allowed to be sent to the specified network device and have not been received by the specified network device;
and if the first message is determined to be received through the designated network equipment, sending a first notice, wherein the first notice is used for informing a sender of the first message to send the first message.
With reference to the first aspect, in a first implementation manner of the first aspect, the network device includes any one of: network card, exchanger, router; the determining whether to receive the first message through the designated network device according to the number of messages being received on the designated network device includes:
if the number of messages being received on the specified network equipment is smaller than the concurrent receiving threshold value of the specified network equipment, determining to receive the first message through the specified network equipment, otherwise, not receiving the first message through the specified network equipment, wherein the concurrent receiving threshold value is a preset message number threshold value simultaneously received by the specified network equipment.
With reference to the first aspect, in a second implementation manner of the first aspect, the first message is split into P parts, where P is greater than or equal to 2, and the method further includes:
sending a second notification after the P-1 part of the first message is received by the designated network device and before the P part of the first message is received, the second notification being used for notifying a sender of a second message to send the second message.
With reference to the second implementation manner of the first aspect, in a third implementation manner of the first aspect, the pth part of the first message is set to enable the designated network device to receive the second message within a preset time period after receiving the pth part.
With reference to the second implementation manner of the first aspect, in a fourth implementation manner of the first aspect, the message transmission method further includes:
receiving meta information of the second message, wherein the number of messages being received by the specified network device is not less than the concurrent reception threshold when the meta information of the second message is received.
With reference to the first aspect, in a fifth implementation manner of the first aspect, the message transmission method further includes:
acquiring the number of messages being sent on the specified network equipment;
and determining whether to send a third message through the specified network equipment according to the number of messages being sent on the specified network equipment.
With reference to the fifth implementation manner of the first aspect, in a sixth implementation manner of the first aspect, the determining whether to send the third message through the designated network device according to the number of messages being sent on the designated network device includes:
and if the number of messages being sent on the specified network equipment is smaller than the concurrent sending threshold of the specified network equipment, determining to send the third message through the specified network equipment, wherein the concurrent sending threshold is a preset message number threshold which is sent by the specified network equipment at the same time.
In a second aspect, a message transmission method is provided in the embodiments of the present disclosure.
Specifically, the message transmission method includes:
sending the meta information of the first message to a receiver;
the method comprises the steps of responding to receiving of a first notice from a receiving party, sending the first notice to the receiving party, wherein the receiving party responds to receiving of meta information of the first notice, determining whether the first notice is received through a specified network device of the receiving party according to the number of messages being received on the specified network device, and sending the first notice if the first notice is determined to be received through the specified network device, wherein the messages being received refer to messages which are allowed to be sent to the specified network device and are not received completely by the specified network device.
With reference to the second aspect, in a first implementation manner of the second aspect, the sending the first message to the receiving side includes:
and splitting the first message into P parts and sending the P parts to the receiver, wherein the P part of the first message is set to enable the designated network equipment to receive a second message within a preset time period after receiving the P part, and P is more than or equal to 2.
In a third aspect, a message transmission apparatus is provided in the embodiments of the present disclosure.
Specifically, the message transmission device includes:
a first message meta-message receiving module for receiving meta-information of a first message;
a receiving first message determining module, configured to determine, in response to receiving the meta information of the first message, whether to receive the first message through a specified network device according to a number of messages being received on the specified network device, where the message being received is a message that has been allowed to be sent to the specified network device and has not been received by the specified network device;
a first notification sending module, configured to send a first notification if it is determined that the first message is received through the designated network device, where the first notification is used to notify a sender of the first message to send the first message.
With reference to the third aspect, in a first implementation manner of the third aspect, the network device includes any one of: network card, exchanger, router; the determining whether to receive the first message through the designated network device according to the number of messages being received on the designated network device includes:
if the number of messages being received on the specified network equipment is smaller than the concurrent receiving threshold value of the specified network equipment, determining to receive the first message through the specified network equipment, otherwise, not receiving the first message through the specified network equipment, wherein the concurrent receiving threshold value is a preset message number threshold value simultaneously received by the specified network equipment.
With reference to the third aspect, in a second implementation manner of the third aspect, the first message is split into P parts, where P ≧ 2, and the method further includes:
sending a second notification after the P-1 part of the first message is received by the designated network device and before the P part of the first message is received, the second notification being used for notifying a sender of a second message to send the second message.
With reference to the second implementation manner of the third aspect, in a third implementation manner of the third aspect, the disclosure is configured such that the designated network device receives the second message within a preset time period after receiving the pth part.
With reference to the second implementation manner of the third aspect, in a fourth implementation manner of the third aspect, the message transmission apparatus is further configured to:
receiving meta information of the second message, wherein the number of messages being received by the specified network device is not less than the concurrent reception threshold when the meta information of the second message is received.
With reference to the third aspect, in a fifth implementation manner of the third aspect, the message transmission apparatus is further configured to:
acquiring the number of messages being sent on the specified network equipment;
and determining whether to send a third message through the specified network equipment according to the number of messages being sent on the specified network equipment.
With reference to the fifth implementation manner of the third aspect, in a sixth implementation manner of the third aspect, the determining whether to send the third message through the designated network device according to the number of messages being sent on the designated network device includes:
and if the number of messages being sent on the specified network equipment is smaller than the concurrent sending threshold of the specified network equipment, determining to send the third message through the specified network equipment, wherein the concurrent sending threshold is a preset message number threshold which is sent by the specified network equipment at the same time.
In a fourth aspect, a message transmission apparatus is provided in the embodiments of the present disclosure.
Specifically, the message transmission device includes:
the first message meta-information sending module is used for sending meta-information of the first message to a receiver;
the first message sending module is configured to send a first message to a receiving party in response to receiving a first notification from the receiving party, where the receiving party determines, in response to receiving meta information of the first message, whether to receive the first message through a specified network device of the receiving party according to a number of messages being received on the specified network device, and sends the first notification if it is determined to receive the first message through the specified network device, where the message being received refers to a message that has been allowed to be sent to the specified network device and has not been completely received by the specified network device.
With reference to the second aspect, in a first implementation manner of the second aspect, the sending the first message to the receiving side includes:
and splitting the first message into P parts and sending the P parts to the receiver, wherein the P part of the first message is set to enable the designated network equipment to receive a second message within a preset time period after receiving the P part, and P is more than or equal to 2.
In a fifth aspect, the present disclosure provides an electronic device, including a memory and a processor, where the memory is configured to store one or more device instructions, where the one or more device instructions are executed by the processor to implement the method according to any one of the first to sixth implementation manners of the first aspect and the first implementation manners of the second to second aspects.
In a sixth aspect, an embodiment of the present disclosure provides a device readable storage medium, on which device instructions are stored, and the device instructions, when executed by a processor, implement the method according to the sixth implementation manner of the first aspect and the first implementation manner of the second aspect.
In a seventh aspect, an embodiment of the present disclosure provides a device program product, which includes device instructions, and the device instructions, when executed by a processor, implement the method steps as described in the first aspect to the sixth implementation manner of the first aspect, and the first implementation manner of the second aspect to the second aspect.
According to the technical scheme provided by the embodiment of the disclosure, the meta information of the first message is received; in response to receiving the meta information of the first message, determining whether to receive the first message through a specified network device according to the number of messages being received on the specified network device; and if the first message is determined to be received through the designated network equipment, sending a first notification, wherein the first notification is used for informing a sender of the first message to send the first message, so that network congestion is avoided under the condition of not needing global information, and the message transmission time is saved.
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 the disclosure.
Drawings
Other features, objects, and advantages of the present disclosure will become more apparent from the following detailed description of non-limiting embodiments when taken in conjunction with the accompanying drawings. The following is a description of the drawings.
Fig. 1a shows an exemplary schematic diagram of a device for implementing a message transmission method according to an embodiment of the present disclosure.
Fig. 1b shows an exemplary schematic diagram of an implementation scenario of a message transmission method according to an embodiment of the present disclosure.
Fig. 2 shows a flow chart of a message transmission method according to an embodiment of the present disclosure.
Fig. 3 shows a flow chart of a message transmission method according to an embodiment of the present disclosure.
Fig. 4 shows a flow chart of a message transmission method according to an embodiment of the present disclosure.
Fig. 5 shows a block diagram of a message transmission apparatus according to an embodiment of the present disclosure.
Fig. 6 shows a block diagram of a message transmission apparatus according to an embodiment of the present disclosure.
Fig. 7 shows a block diagram of an electronic device according to an embodiment of the present disclosure.
Fig. 8 shows a schematic structural diagram of a system of devices suitable for use to implement a method according to an embodiment of the present disclosure.
Detailed Description
Hereinafter, exemplary embodiments of the present disclosure will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily implement them. Also, for the sake of clarity, parts not relevant to the description of the exemplary embodiments are omitted in the drawings.
In the present disclosure, it is to be understood that terms such as "including" or "having," etc., are intended to indicate the presence of the disclosed features, numbers, steps, behaviors, components, parts, or combinations thereof, and are not intended to preclude the possibility that one or more other features, numbers, steps, behaviors, components, parts, or combinations thereof may be present or added.
It should be further noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In the present disclosure, the acquisition of the user information or the user data is an operation that is authorized, confirmed, or actively selected by the user.
As described above, distributed peer-to-peer communication is widely applied in the scenarios such as deep learning training framework, Remote Procedure Call (RPC) framework, big data system, distributed storage system, and e-commerce service. The communication mode has strong randomness and shows that communication participants cannot perceive global network topology information and cannot predict the communication initiation time. This causes congestion, packet loss, long tail, and uneven traffic in the communication process, which seriously affects the network performance. In data center networks, there is a need to improve the efficiency of distributed peer-to-peer communication in the absence of network global information.
In order to solve the above problem, the present disclosure provides a message transmission method, apparatus, electronic device, medium, and program product.
According to an embodiment of the present disclosure, a message transmission method includes: receiving meta information of a first message; in response to receiving the meta information of the first message, determining whether to receive the first message through the designated network device according to the number of messages being received on the designated network device; and if the first message is determined to be received through the designated network equipment, sending a first notice, wherein the first notice is used for informing a sender of the first message to send the first message. The embodiment of the disclosure determines whether to allow the sending direction of the message to send the message to the designated network equipment according to the number of the messages being received on the designated network equipment, and can effectively reduce the message transmission delay or packet loss caused by network congestion, thereby improving the actual transmission rate of the network and reducing the time required for receiving the message under the condition that the message sending party does not need to know the global information of the network.
Fig. 1a shows an exemplary schematic diagram of a device for implementing a message transmission method according to an embodiment of the present disclosure.
According to an embodiment of the present disclosure, a device for implementing a message transmission method according to an embodiment of the present disclosure may include any one of a server, a switch, a router, and a terminal device, for example. As shown in fig. 1a, the exemplary device 100 includes: a message feature collection module 101, a local topology awareness module 102, a traffic planning module 103, and a messaging module 104.
The message feature collection module 101 is used to obtain meta-information of messages sent or received by the device 100, such as the length of the message being received or sent by the device 100, the length of the message that the device 100 needs to send or receive, and so on. The message feature gathering module 101 may also obtain information such as the number of messages being sent or received by the device 100.
The local topology sensing module 102 is configured to obtain information such as the number of network devices in the device 100, a concurrent receiving threshold of each network device for concurrently receiving a message, and a concurrent sending threshold of each network device for concurrently sending a message. According to an embodiment of the present disclosure, the network device may be a network card. The concurrent receiving threshold is a preset message quantity threshold simultaneously received by each network device, and the concurrent sending threshold is a preset message quantity threshold simultaneously sent by each network device. According to an embodiment of the present disclosure, concurrently receiving a plurality of messages means receiving a plurality of messages simultaneously, but the reception of the plurality of messages is not necessarily strictly synchronized, and concurrently transmitting a plurality of messages means transmitting a plurality of messages simultaneously, but the transmission of the plurality of messages is not necessarily strictly synchronized.
The traffic planning module 103 is configured to control message transmission/reception of the network device in the device 100 according to the information acquired by the message feature collection module 101 and the local topology awareness module 102. In particular, the traffic planning module 103 obtains meta-information of a first message from the message feature gathering module 101 to be sent to the device 100 by the sender of the message. In response to receiving the meta information of the first message, the traffic planning module 103 determines whether to receive the first message through the designated network device according to a comparison of the number of messages being received on the designated network device and a concurrent reception threshold. The message being received refers to a message that the designated network device has already allowed the sender to send but the designated network device has not yet finished receiving. The message specifying that the network device has allowed the sender to send may be a message that: the designated network device has issued a notification for the message that allows the sender to send the message, and after receiving the notification, the sender sends the message to the designated network device.
When it is determined that the first message is received through the designated network device, a notification that the first message can be received is sent to the sender. According to an embodiment of the present disclosure, the designated network device may be any one of a plurality of network devices of device 100. The device 100 may determine a designated network device for receiving the first message according to a scheduling policy preset by itself.
In an ideal state, the ideal time consumption t for the network equipment to receive N messages simultaneously is specifiedidealIs represented by the following formula, wherein sizenIs the data length, bandwidth, of the nth messagephyIs the physical transmission bandwidth of a given network device.
Figure 968899DEST_PATH_IMAGE001
However, network congestion may occur when a designated network device receives too many messages at the same time, and therefore, the actual time t taken for the designated network device to receive N messages at the same timerealComprises the following steps:
Figure 26985DEST_PATH_IMAGE002
trealloften much larger than tidea. The existing network hardware flow control algorithm is poor in performance in a many-to-one scene, the more the number of messages received by specified network equipment at the same time is, the more serious the network congestion condition is, and the more obvious the network performance attenuation is.
In the embodiment of the disclosure, by setting the concurrent receiving threshold of the designated network device, the number N of messages simultaneously received by the designated network device is prevented from being larger than the concurrent receiving threshold, so as to avoid network congestion, thereby improving the actual transmission rate of the network and reducing the time required for receiving the messages without requiring the designated network device and/or the message sender to know the global information.
In an embodiment of the present disclosure, the concurrent reception threshold is a preset threshold of the number of messages simultaneously received by the designated network device. Can be based onThe concurrent reception threshold of the specified network device is obtained by experience of research personnel or operation and maintenance personnel, and the concurrent reception threshold can also be determined by analyzing the message reception log of the network device. The principle of determining the concurrent reception threshold is that when the number of messages simultaneously received by the designated network device is less than or equal to the concurrent reception threshold, the designated network device simultaneously receives the actual consumed time t of N messagesrealWithin an acceptable range.
By setting the concurrent receiving threshold of the designated network device, when the number of messages simultaneously received by the designated network device is smaller than the concurrent receiving threshold, the sending direction of the messages is allowed to send the messages to the designated network device, so that the message transmission delay or packet loss caused by network congestion can be effectively reduced, the actual transmission rate of the network is improved under the condition that the designated network device and/or the message sending party do not need to know the global information, and the time required for receiving the messages is reduced.
According to an embodiment of the present disclosure, a designated network device receives meta information of a second message when receiving a number of messages equal to a concurrent reception threshold at the same time. At this time, the designated network device does not send a notification allowing the designated network device to send the second message to the sender of the second message, but waits for the first message to be received completely, and receives the second message from the sender of the second message only when the number of messages simultaneously received by the designated network device is smaller than the concurrency threshold, thereby ensuring that the number of messages simultaneously received by the designated network device is not larger than the concurrency threshold.
According to the embodiment of the disclosure, the first message is split into P (P ≧ 2) parts and sent to the designated network device, and after the designated network device receives the P-1 part of the first message, when the P part of the first message is not received, a second notification can be sent to the sender of the second message to notify the sender of the second message to send the second message.
It takes a certain time, which is referred to as a flow control overhead of the second message, for the designated network device to send the second notification to the sender of the second message, and for the sender of the second message to send the second message to the designated network device in response to the second notification. After the designated network device receives the P-1 part of the first message, the second notification is sent to the sender of the second message when the P part of the first message is not received, so that the flow control overhead of the second message can be hidden in the receiving process of the P part of the first message, and the overall transmission efficiency of the message is improved.
In an embodiment of the disclosure, the pth portion of the first message is set such that the designated network device receives the second message within a preset time period after receiving the pth portion.
In an embodiment of the present disclosure, the preset time period may be set as small as possible, so that the second message is received as soon as possible after the designated network device receives the pth part of the first message. According to an embodiment of the present disclosure, the length of the pth portion of the first message may be determined according to a predicted flow control overhead of the second message and an average transmission rate of the first message. For example, the length of the pth portion = average transmission rate of the first message ×. predicted flow control overhead of the second message. According to an embodiment of the present disclosure, the predicted flow control overhead of the second message may be obtained by the following formula: the predicted flow control overhead of the second message = time of arrival of the meta information of the second message from the sender of the second message to the specified network device 2.
In embodiments of the present disclosure, a native designated network device may send messages in addition to receiving messages.
The ideal time for the network equipment to send the ith message is given as
Figure 259252DEST_PATH_IMAGE003
Wherein, sizeiIs the length of the ith message, bandwidthphyIs the physical transmission bandwidth of the network device.
However, when a given network device transmits M messages simultaneously, the transmission time of the ith message is actually M since the M messages share the transmission bandwidth
Figure 920040DEST_PATH_IMAGE004
In an actual scene, a receiver can process a complete message after receiving the complete message as soon as possible, and can start processing as soon as possible after receiving the complete message as soon as possible, so that the flow control algorithm for specifying network equipment to simultaneously send a plurality of messages has an emphasis on accelerating the arrival time of a single message.
In the embodiment of the disclosure, a concurrent transmission threshold of the designated network device is set, and when the number of messages being transmitted by the designated network device is less than the concurrent transmission threshold of the designated network device, it is determined that the third message is transmitted by the designated network device. When the concurrent transmission threshold is set to 1, the average transmission time of the ith message is reduced to
Figure 937675DEST_PATH_IMAGE005
In embodiments of the present disclosure, the concurrent transmission threshold may be set to be greater than 1 to reduce the time that the message waits to be transmitted. The value of the concurrent transmission threshold may be obtained according to experience of research and development and operation and maintenance personnel, or may be obtained by analyzing a message transmission log of the network device. The principle of determining the concurrent transmission threshold is that when the number of messages simultaneously transmitted by the designated network device is less than or equal to the concurrent transmission threshold, the actual consumed time of the messages simultaneously transmitted by the designated network device is within an acceptable range.
After the traffic planning module 103 performs the above planning of receiving or sending messages, the messaging module 104 specifically performs a message sending and receiving operation.
Through the embodiment of the disclosure, the designated network equipment can avoid receiving too many messages simultaneously in the process of receiving the messages under the condition of not needing network global information, thereby causing congestion and reducing the overall transmission rate; too many messages can also be avoided being sent simultaneously during the sending of the messages, resulting in an extended arrival time of the messages.
Fig. 1b shows an exemplary schematic diagram of an implementation scenario of a message transmission method according to an embodiment of the present disclosure.
It will be understood by those of ordinary skill in the art that fig. 1b illustrates an implementation scenario of the message transmission method, and does not constitute a limitation to the present disclosure.
As shown in fig. 1b, a first sender 111 and a second sender 113 prepare to send messages to a designated network device 112.
In step S111, the first sender 111 sends the meta information of the first message to the specified network device 112.
In step S112, the designated network device 112 determines that the number of messages being received is less than the concurrent reception threshold of the designated network device, and determines to receive the first message through the designated network device, and prepares a reception buffer according to the data length of the first message. The message being received refers to a message that has been allowed to be sent to the designated network device but has not been received by the designated network device.
In step S113, the designated network device 112 transmits a first notification to the first transmitter 111, the first notification being for informing the first transmitter 111 to transmit the first message.
The first sender 111 divides the first message into P parts. The data length of each part in the P part may be set by a network underlying communication protocol, or determined by the first sender according to the total length of the first message and a network transmission rate between the first sender and a specified network device, or determined according to an empirical value of network operation and maintenance, or determined in other ways, which is not limited by the disclosure.
In step S114, the first sender 111 sends the first portion of the first message to the designated network device, followed by the second portion … … of the first message, until in step S115 the first sender 111 sends the P-1 th portion of the first message to the designated network device.
In the process of specifying that the network device 112 receives the first message, a meta message of the second message that the second sender 113 wishes to send is also received in step S117. Upon receiving the meta-information of the second message, the specified network device 112 is receiving a number of messages equal to the concurrent reception threshold, and therefore does not send a notification to the second sender 113 that allows it to send the second message.
After the designated network device 112 has received the P-1 th portion of the first message, the designated network device 112 sends a second notification to the second sender 113 in step S118, the second notification informing the second sender 113 to send the second message, before receiving the P-th portion of the first message.
For a given network device, sending a second notification is referred to as receiving a flow control overhead for the second message. By receiving the meta-message of the second message in the process of receiving the first message and sending the second notice when the P-1 part of the first message is received and the P part of the first message is not received, the flow control overhead of receiving the second message can be hidden in the process of receiving the first message, thereby improving the overall transmission rate of the message.
Fig. 2 shows a flow chart of a message transmission method according to an embodiment of the present disclosure.
As shown in fig. 2, a message transmission method according to an embodiment of the present disclosure includes: steps S201, S202, S203.
In step S201, meta information of the first message is received.
In step S202, in response to receiving the meta information of the first message, it is determined whether to receive the first message through the designated network device according to the number of messages being received on the designated network device, where the message being received refers to a message that has been allowed to be sent to the designated network device and has not been received by the designated network device.
In step S203, if it is determined that the first message is received through the designated network device, a first notification for informing a sender of the first message to send the first message is transmitted.
According to an embodiment of the present disclosure, the network device includes any one of: network card, switch, router.
According to the embodiment of the disclosure, the designated network device receiving the first message can control the sending of the first message by the sender in a notification sending mode, thereby avoiding network congestion and saving message transmission time under the condition of no need of network global information.
In an embodiment of the disclosure, determining whether to receive the first message through a designated network device according to the number of messages being received on the designated network device includes: and if the number of messages being received on the designated network equipment is smaller than the concurrent receiving threshold of the designated network equipment, determining to receive the first message through the designated network equipment, otherwise, not receiving the first message through the designated network equipment, wherein the concurrent receiving threshold is a preset message number threshold simultaneously received by the designated network equipment.
In the embodiment of the present disclosure, as described above, when the designated network device receives too many messages at the same time, the network is congested, resulting in that the actual transmission bandwidth of the designated network device is bandwidthphyReduced to bandwidthcongestion. Correspondingly, the time required for a given network device to receive N messages is also from tidealIncrease to treall。
According to the embodiment of the disclosure, the number of messages being received is set to be smaller than the concurrent receiving threshold of the designated network equipment, so that network congestion is avoided under the condition of no need of global information, and the message transmission time is saved.
In an embodiment of the present disclosure, the first message is split into P parts and sent to the designated network device, and the message transmission method further includes: and after the P-1 part of the first message is received and before the P part of the first message is received, sending a second notice, wherein the second notice is used for informing a sender of the second message to send the second message.
In the embodiment of the present disclosure, as described above, after the designated network device has received the P-1 th part of the first message, when the P-th part of the first message has not been received, a second notification is sent to the sender of the second message, notifying the sender of the second message to start sending the second message.
According to an embodiment of the present disclosure, a designated network device receives meta information of a second message when receiving a number of messages equal to a concurrent reception threshold at the same time. At this time, the designated network device does not send a notification allowing the designated network device to send the second message to the sender of the second message, but waits for the first message to be received completely, and receives the second message from the sender of the second message only when the number of messages simultaneously received by the designated network device is smaller than the concurrency threshold, thereby ensuring that the number of messages simultaneously received by the designated network device is not larger than the concurrency threshold.
It takes a certain time, referred to as flow control overhead of the second message, for the designated network device to send the second notification to the sender of the second message, and for the sender of the second message to send the second message to the designated network device in response to the second notification. By sending the second notification before receiving the pth part of the first message, the flow control overhead of the second message can be hidden in the transmission process of the first message, so that the second message can be received as soon as possible after the first message is received, and the message transmission efficiency is improved.
In an embodiment of the disclosure, the pth portion of the first message is set such that the designated network device receives the second message within a preset time period after receiving the pth portion.
In an embodiment of the present disclosure, the preset time period may be set as small as possible, so that the second message is received as soon as possible after the designated network device receives the pth part of the first message. According to an embodiment of the present disclosure, the length of the pth portion of the first message may be determined according to a predicted flow control overhead of the second message and an average transmission rate of the first message. For example, the length of the pth portion = average transmission rate of the first message ×. predicted flow control overhead of the second message. According to an embodiment of the present disclosure, the predicted flow control overhead of the second message may be obtained by the following formula: the predicted flow control overhead of the second message = time of arrival of the meta information of the second message from the sender of the second message to the specified network device 2.
According to the embodiment of the disclosure, the designated network device can receive the second message within a short time after receiving the first message, so that the interval between receiving the first message and the second message is shortened, the message transmission efficiency is improved, and the message transmission time is saved.
Fig. 3 shows a flow chart of a message transmission method according to an embodiment of the present disclosure.
As shown in fig. 3, the message transmission method includes steps S301 and S302, in addition to steps S201, S202 and S203 which are the same as those in fig. 2.
In step S301, the number of messages being sent on a specified network device is acquired.
In step S302, it is determined whether the third message is transmitted through the specified network device according to the number of messages being transmitted on the specified network device.
According to the embodiment of the disclosure, the designated network device determines whether to transmit the third message through the designated network device by using the number of messages being transmitted, so that network congestion can be avoided and message transmission time can be reduced without global information.
In an embodiment of the present disclosure, determining whether to send the third message through the designated network device according to the number of messages being sent on the designated network device includes: and if the number of the messages being sent on the specified network equipment is smaller than the concurrent sending threshold of the specified network equipment, determining to send a third message through the specified network equipment, wherein the concurrent sending threshold is a preset message number threshold sent by the specified network equipment at the same time.
In the embodiment of the present disclosure, as described above, when the number of messages being sent by the specified network device is less than the concurrent sending threshold of the specified network device, it is determined that the third message is sent by the specified network device.
According to the embodiment of the disclosure, under the condition that global information is not needed, network congestion caused by that a designated network device sends too many messages at the same time can be avoided, so that the average time for receiving the messages is reduced.
Fig. 4 shows a flow chart of a message transmission method according to an embodiment of the present disclosure.
As shown in fig. 4, the message transmission method includes: steps S401 and S402.
In step S401, meta information of the first message is transmitted to the receiving side.
In step S402, in response to receiving a first notification from a receiving party, sending a first message to the receiving party, wherein the receiving party, in response to receiving meta information of the first message, determines whether to receive the first message through a specified network device according to the number of messages being received on the specified network device of the receiving party, and sends the first notification if determining to receive the first message through the specified network device, wherein the message being received refers to a message that has been allowed to be sent to the specified network device but has not been received by the specified network device.
According to the embodiment of the disclosure, the sender controls the sending process of the first message through the meta message of the first message and the first notification, thereby avoiding the formation of network congestion at the designated network equipment, improving the network transmission rate and reducing the message transmission time under the condition of not needing network global information.
In an embodiment of the present disclosure, sending a first message to a recipient includes: and splitting the first message into P parts and sending the P parts to a receiving party, wherein the P part of the first message is set to enable the designated network equipment to receive the second message within a preset time period after receiving the P part, and P is more than or equal to 2.
According to the embodiment of the disclosure, the designated network device can receive the second message within a short time after receiving the first message, so that the interval between receiving the first message and the second message is saved, the message transmission efficiency is improved, and the message transmission time is saved.
The message transmission method according to the embodiment of the present disclosure may be executed by a device host in which a specified network device is located, for example, may be executed by software on the device host, or may be executed by hardware of the device host, or may be executed by a combination of software and hardware of the device host. The message transmission method according to the embodiment of the present disclosure may also be executed by the designated network device itself, for example, may be executed by software on the designated network device, or executed by hardware of the designated network device, or executed by combining software and hardware of the designated network device. For example, when the designated network device is a network card on a server, the message transmission method may be executed by software or hardware on the server, or by a combination of software and hardware, or by software or hardware in the network card, or by a combination of software and hardware. When the designated network device is a switch or a router, the message transmission method according to the embodiment of the present disclosure may be performed by software or hardware running on the switch or the router, or by a combination of the software and the hardware.
Fig. 5 shows a block diagram of a message transmission apparatus according to an embodiment of the present disclosure.
As shown in fig. 5, the message transmission apparatus 500 includes: a first message element message receiving module 501, a first message receiving determining module 502 and a first notification sending module 503.
A first message meta-message receiving module 501, configured to receive meta-information of a first message.
A received first message determining module 502, configured to determine, in response to receiving the meta information of the first message, whether to receive the first message through the specified network device according to the number of messages being received on the specified network device, where the received message refers to a message that has been allowed to be sent to the specified network device and has not been received by the specified network device.
A first notification sending module 503, configured to send a first notification if it is determined that the first message is received through the specified network device, where the first notification is used to inform a sender of the first message to send the first message.
According to the embodiment of the disclosure, the designated network device receiving the first message can control, for example, the sender of the first network device to send the first message by sending the notification, so that network congestion is avoided under the condition that network global information is not needed, and message transmission time is saved.
In an embodiment of the disclosure, determining whether to receive the first message through a designated network device according to the number of messages being received on the designated network device includes: and if the number of messages being received on the designated network equipment is smaller than the concurrent receiving threshold of the designated network equipment, determining to receive the first message through the designated network equipment, otherwise, not receiving the first message through the designated network equipment, wherein the concurrent receiving threshold is a preset message number threshold simultaneously received by the designated network equipment.
According to the embodiment of the disclosure, by setting the number of the messages being received to be less than the concurrent receiving threshold of the designated network device, network congestion is avoided under the condition of no need of network global information, and message transmission time is saved.
In the embodiment of the present disclosure, the first message is split into P parts, where P is greater than or equal to 2, and the message transmission apparatus is further configured to: and sending a second notification after the P-1 part of the first message is received by the appointed network equipment and before the P part of the first message is received, wherein the second notification is used for informing a sender of the second message to send the second message.
It takes a certain time, i.e., the handshake overhead of the second message, for the designated network device to receive the meta message of the second message, send the second notification, and for the second network device to prepare to send the second message. The handshake overhead of the second message is hidden by the parallel transmission of the first message and the handshake overhead of the second message.
According to the embodiment of the disclosure, the overall transmission efficiency of the message is improved and the message transmission time is saved by hiding the flow control overhead of the second message.
In an embodiment of the disclosure, the pth portion of the first message is set such that the designated network device receives the second message within a preset time period after receiving the pth portion.
According to the embodiment of the disclosure, the designated network device can receive the second message within a short time after receiving the first message, so that the interval between receiving the first message and the second message is saved, the message transmission efficiency is improved, and the message transmission time is saved.
In an embodiment of the present disclosure, the message transmission apparatus is further configured to: and receiving meta-information of the second message, wherein the number of messages being received by the specified network device is not less than the concurrent reception threshold when the meta-information of the second message is received.
According to the embodiment of the disclosure, after receiving the meta message of the second message, the designated network device can suspend sending the second notification, so that the message transmission rate is not reduced and the message transmission time is not increased due to network congestion.
In an embodiment of the present disclosure, the message transmission apparatus further includes:
a sending message quantity obtaining module, configured to obtain the quantity of messages being sent on a specified network device;
and the third message sending determining module is used for determining whether to send the third message through the specified network equipment according to the number of the messages being sent on the specified network equipment.
According to the embodiment of the disclosure, the designated network device determines whether to transmit the third message through the designated network device by using the number of messages being transmitted, so that network congestion can be avoided and message transmission time can be reduced without global information.
In an embodiment of the present disclosure, determining whether to send the third message through the designated network device according to the number of messages being sent on the designated network device includes: and if the number of the messages being sent on the specified network equipment is smaller than the concurrent sending threshold of the specified network equipment, determining to send a third message through the specified network equipment, wherein the concurrent sending threshold is a preset message number threshold sent by the specified network equipment at the same time.
In the embodiment of the present disclosure, as described above, when the number of messages being sent by the specified network device is less than the concurrent sending threshold of the specified network device, it is determined that the third message is sent to the third network device through the specified network device. At this time, no network congestion occurs, and the average time for the ith network device to receive the message is represented by treal2Is reduced to topt2。
According to the embodiment of the disclosure, under the condition that network global information is not needed, network congestion caused by the fact that the specified network equipment sends the message can be avoided, and therefore the average time for receiving the message is reduced.
Fig. 6 shows a block diagram of a message transmission apparatus according to an embodiment of the present disclosure.
As shown in fig. 6, the message transmission apparatus 600 includes: a first message meta information sending module 601 and a first message sending module 602.
A first message meta information sending module 601, configured to send meta information of a first message to a receiving party;
a first message sending module 602, configured to send a first message to a receiving party in response to receiving a first notification from the receiving party, where the receiving party determines, in response to receiving meta information of the first message, whether to receive the first message through a specified network device according to a number of messages being received on the specified network device of the receiving party, and sends the first notification if it is determined that the first message is received through the specified network device, where the message being received refers to a message that has been allowed to be sent to the specified network device and has not been received by the specified network device.
According to the embodiment of the disclosure, the sender controls the sending process of the first message through the meta message of the first message and the first notification, thereby avoiding the formation of network congestion at the designated network equipment, improving the network transmission rate and reducing the message transmission time under the condition of not needing global information.
In an embodiment of the present disclosure, sending a first message to a recipient includes: and splitting the first message into P parts and sending the P parts to a receiving party, wherein the P part of the first message is set to enable the designated network equipment to receive the second message within a preset time period after receiving the P part, and P is more than or equal to 2.
According to the embodiment of the disclosure, the designated network device can receive the second message within a short time after receiving the first message, so that the interval between receiving the first message and the second message is reduced, the message transmission efficiency is improved, and the message transmission time is saved.
The present disclosure also discloses an electronic device, and fig. 7 shows a block diagram of the electronic device according to an embodiment of the present disclosure.
As shown in fig. 7, the electronic device 700 includes a processor 701 and a memory 702, wherein the memory 702 is configured to store one or more device instructions, and wherein the one or more device instructions are executed by the processor 701 to implement the following steps:
receiving meta information of a first message;
in response to receiving the meta information of the first message, determining whether to receive the first message through a specified network device according to the number of messages being received on the specified network device, wherein the messages being received refer to messages which are allowed to be sent to the specified network device and have not been received by the specified network device;
and if the first message is determined to be received through the designated network equipment, sending a first notice, wherein the first notice is used for informing a sender of the first message to send the first message.
In an embodiment of the present disclosure, the network device includes any one of: network card, exchanger, router; the determining whether to receive the first message through the designated network device according to the number of messages being received on the designated network device includes:
if the number of messages being received on the specified network equipment is smaller than the concurrent receiving threshold value of the specified network equipment, determining to receive the first message through the specified network equipment, otherwise, not receiving the first message through the specified network equipment, wherein the concurrent receiving threshold value is a preset message number threshold value simultaneously received by the specified network equipment.
In the embodiment of the present disclosure, the first message is split into P parts and sent to the designated network device, where P ≧ 2, the method further includes:
sending a second notification after the P-1 part of the first message is received by the designated network device and before the P part of the first message is received, the second notification being used for notifying a sender of a second message to send the second message.
In an embodiment of the disclosure, the pth portion of the first message is set such that the designated network device receives the second message within a preset time period after receiving the pth portion.
In an embodiment of the present disclosure, the one or more device instructions are further executable by the processor 701 to implement the steps of:
receiving meta information of the second message, wherein the number of messages being received by the specified network device is not less than the concurrent reception threshold when the meta information of the second message is received.
In an embodiment of the present disclosure, the one or more device instructions are further executable by the processor 701 to implement the steps of:
acquiring the number of messages being sent on the specified network equipment;
and determining whether to send a third message through the specified network equipment according to the number of messages being sent on the specified network equipment.
In an embodiment of the present disclosure, the determining whether to send the third message through the designated network device according to the number of messages being sent on the designated network device includes:
and if the number of messages being sent on the specified network equipment is smaller than the concurrent sending threshold of the specified network equipment, determining to send the third message through the specified network equipment, wherein the concurrent sending threshold is a preset message number threshold which is sent by the specified network equipment at the same time.
In an embodiment of the present disclosure, the memory 702 is further configured to store one or more device instructions, wherein the one or more device instructions are executed by the processor 701 to implement the steps of:
sending the meta information of the first message to a receiver;
the method comprises the steps of responding to receiving of a first notice from a receiving party, sending the first notice to the receiving party, wherein the receiving party responds to receiving of meta information of the first notice, determining whether the first notice is received through a specified network device of the receiving party according to the number of messages being received on the specified network device, and sending the first notice if the first notice is determined to be received through the specified network device, wherein the messages being received refer to messages which are allowed to be sent to the specified network device and are not received completely by the specified network device.
In an embodiment of the present disclosure, the sending the first message to the receiving party includes:
and splitting the first message into P parts and sending the P parts to the receiver, wherein the P part of the first message is set to enable the designated network equipment to receive a second message within a preset time period after receiving the P part, and P is more than or equal to 2.
Fig. 8 shows a schematic structural diagram of a system of devices suitable for use to implement a method according to an embodiment of the present disclosure.
As shown in fig. 8, the device system 800 includes a processing unit 801 which can execute various processes in the above-described embodiments according to a program stored in a Read Only Memory (ROM) 802 or a program loaded from a storage section 808 into a Random Access Memory (RAM) 803. In the RAM 803, various programs and data necessary for the operation of the system 800 are also stored. The processing unit 801, the ROM 802, and the RAM 803 are connected to each other by a bus 804. An input/output (I/O) interface 805 is also connected to bus 804.
The following components are connected to the I/O interface 805: an input portion 806 including a keyboard, a mouse, and the like; an output section 807 including a signal such as a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker; a storage portion 808 including a hard disk and the like; and a communication section 809 including a network interface card such as a LAN card, a modem, or the like. The communication section 809 performs communication processing via a network such as the internet. A drive 810 is also connected to the I/O interface 805 as necessary. A removable medium 811 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 810 as necessary, so that a device program read out therefrom is mounted on the storage section 808 as necessary. The processing unit 801 may be implemented as a CPU, a GPU, a TPU, an FPGA, an NPU, or other processing units.
In particular, the methods described above may be implemented as device software programs, according to embodiments of the present disclosure. For example, embodiments of the present disclosure include a device program product comprising device instructions that, when executed by a processor, implement the method steps described above. In such embodiments, the device program product may be downloaded and installed from a network via communications section 809 and/or installed from removable media 811.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and device program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and device instructions.
The units or modules described in the embodiments of the present disclosure may be implemented by software or by programmable hardware. The units or modules described may also be provided in a processor, and the names of the units or modules do not in some cases constitute a limitation of the units or modules themselves.
As another aspect, the present disclosure also provides a device-readable storage medium, which may be a device-readable storage medium contained in the electronic device or the device system in the above embodiments; or may be a device-readable storage medium that exists separately and is not incorporated into the device. The device readable storage medium stores one or more programs for use by one or more processors in performing the methods described in the present disclosure.
The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention in the present disclosure is not limited to the specific combination of the above-mentioned features, but also encompasses other embodiments in which any combination of the above-mentioned features or their equivalents is possible without departing from the inventive concept. For example, the above features and (but not limited to) the features disclosed in this disclosure having similar functions are replaced with each other to form the technical solution.

Claims (10)

1. A method of message transmission, comprising:
specifying a network device to receive meta information of a first message;
in response to receiving the meta information of the first message, determining whether to receive the first message through a specified network device according to the number of messages being received on the specified network device, wherein the messages being received refer to messages which are allowed to be sent to the specified network device and have not been received by the specified network device;
if the first message is determined to be received through the designated network equipment, sending a first notification, wherein the first notification is used for informing a sender of the first message to send the first message, the first message is divided into P parts and sent to the designated network equipment, and P is more than or equal to 2;
receiving meta information of a second message, wherein when the meta information of the second message is received, the number of messages being received by the specified network device is not less than a concurrent reception threshold of the specified network device, and after the P-1 part of the first message is received by the specified network device and before the P part of the first message is received, sending a second notification, wherein the second notification is used for notifying a sender of the second message to send the second message.
2. The method of claim 1, wherein:
the network device includes any one of: network card, exchanger, router;
the determining whether to receive the first message through the designated network device according to the number of messages being received on the designated network device includes:
if the number of messages being received on the specified network equipment is smaller than the concurrent receiving threshold value of the specified network equipment, determining to receive the first message through the specified network equipment, otherwise, not receiving the first message through the specified network equipment, wherein the concurrent receiving threshold value is a preset message number threshold value simultaneously received by the specified network equipment.
3. The method of claim 1, wherein the pth portion of the first message is set such that the designated network device receives the second message within a preset time period after receiving the pth portion.
4. The method of claim 1, further comprising:
acquiring the number of messages being sent on the specified network equipment;
and determining whether to send a third message through the specified network equipment according to the number of messages being sent on the specified network equipment.
5. The method of claim 4, wherein the determining whether to send a third message through the designated network device based on the number of messages being sent on the designated network device comprises:
and if the number of messages being sent on the specified network equipment is smaller than the concurrent sending threshold of the specified network equipment, determining to send the third message through the specified network equipment, wherein the concurrent sending threshold is a preset message number threshold which is sent by the specified network equipment at the same time.
6. A method of message transmission, comprising:
sending the meta information of the first message to a receiver;
in response to receiving a first notification from a receiver, sending the first message to the receiver, wherein the receiver determines whether to receive the first message through a specified network device of the receiver according to the number of messages being received on the specified network device in response to receiving the meta information of the first message, and sends the first notification if determining to receive the first message through the specified network device, wherein the message being received refers to a message that has been allowed to be sent to the specified network device and the specified network device has not completely received,
the sending the first message to the recipient includes:
and splitting the first message into P parts and sending the P parts to the receiver, wherein the P part of the first message is set to enable the designated network equipment to receive a second message within a preset time period after receiving the P part, and P is more than or equal to 2.
7. A message transmission apparatus, comprising:
a first message meta-message receiving module, configured to designate a network device to receive meta-information of a first message;
a receiving first message determining module, configured to determine, in response to receiving the meta information of the first message, whether to receive the first message through a specified network device according to a number of messages being received on the specified network device, where the message being received is a message that has been allowed to be sent to the specified network device and has not been received by the specified network device;
a first notification sending module, configured to send a first notification if it is determined that the first message is received through the designated network device, where the first notification is used to notify a sender of the first message to send the first message, the first message is split into P parts and sent to the designated network device, and P is greater than or equal to 2;
and a second notification sending module, configured to receive meta information of a second message, where, when the meta information of the second message is received, the number of messages being received by the specified network device is not less than a concurrent reception threshold of the specified network device, and send a second notification after the P-1 th part of the first message is received by the specified network device and before the P-th part of the first message is received, where the second notification is used to notify a sender of the second message to send the second message.
8. A message transmission apparatus, comprising:
the first message meta-information sending module is used for sending meta-information of the first message to a receiver;
a first message sending module, configured to send a first message to a receiving party in response to receiving a first notification from the receiving party, where the receiving party determines, in response to receiving meta information of the first message, whether to receive the first message through a specified network device of the receiving party according to a number of messages being received on the specified network device, and sends the first notification if it is determined to receive the first message through the specified network device, where the message being received refers to a message that has been allowed to be sent to the specified network device and has not been completely received by the specified network device,
the sending the first message to the recipient includes:
and splitting the first message into P parts and sending the P parts to the receiver, wherein the P part of the first message is set to enable the designated network equipment to receive a second message within a preset time period after receiving the P part, and P is more than or equal to 2.
9. An electronic device comprising a memory and a processor; wherein the memory is to store one or more device instructions, wherein the one or more device instructions are to be executed by the processor to implement the method steps of any one of claims 1-6.
10. A readable storage medium having stored thereon device instructions which, when executed by a processor, carry out the method steps of any of claims 1-6.
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