CN111163022B - Message transmission method and device and computer readable storage medium - Google Patents
Message transmission method and device and computer readable storage medium Download PDFInfo
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- CN111163022B CN111163022B CN201811324954.2A CN201811324954A CN111163022B CN 111163022 B CN111163022 B CN 111163022B CN 201811324954 A CN201811324954 A CN 201811324954A CN 111163022 B CN111163022 B CN 111163022B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/90—Buffering arrangements
- H04L49/9057—Arrangements for supporting packet reassembly or resequencing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
- H04W28/065—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information using assembly or disassembly of packets
Abstract
The invention discloses a message transmission method and device and a computer readable storage medium. The method comprises the following steps: after detecting that fragmentation processing occurs to a data block of a message transmitted by Ethernet, acquiring mark information of each fragment in one or at least two fragments of the data block, wherein the mark information comprises management information of the fragment in the fragmentation operation of the data block; adding mark information corresponding to each fragment to a preset field in each fragment; and sending an Ethernet packet comprising fragmented data, wherein the Ethernet packet carries the label information of the fragments.
Description
Technical Field
The present invention relates to the field of information processing, and in particular, to a method and an apparatus for transmitting a message and a computer readable storage medium.
Background
With the continuous development of wireless communication technology, especially with the arrival of the 5G era, the great increase of service data processing speed is accompanied by the multiplication of data volume of a fronthaul Interface, and as a fronthaul Interface protocol which is used up to now from the 2G era, CPRI (Common Public Radio Interface) exposes the problems of low transmission efficiency, poor flexibility and the like in the process of continuously increasing the speed of the fronthaul Interface, and ethernet ETH can just avoid the problems, and becomes a new choice of the fronthaul Interface.
Due to the limitation of the ETH to the packet length, fragmentation of large blocks of data at the transmitting side and fragmentation reassembly at the receiving side occur during transmission. The traditional ETH only checks the integrity of data in a packet, and each fragment has certain time delay in the transmission process, so that whether the data are completely collected in required time after being fragmented cannot be determined, and the transmission of the conventional ETH cannot meet the requirement of a forward transmission port on high timeliness.
Disclosure of Invention
In order to solve the technical problem, the invention provides a message transmission method and device and a computer readable storage medium, which can improve the timeliness of ethernet packet transmission.
In order to achieve the object of the present invention, the present invention provides a method for transmitting a packet, including:
after detecting that fragmentation processing occurs to a data block of a message transmitted by Ethernet, acquiring mark information of each fragment in one or at least two fragments of the data block, wherein the mark information comprises management information of the fragment in the fragmentation operation of the data block;
adding mark information corresponding to each fragment to a preset field in each fragment;
and sending an Ethernet packet comprising fragmented data, wherein the Ethernet packet carries the label information of the fragments.
In one exemplary embodiment, the tag information includes at least one of: the information of the interaction period, the number information of the fragments and the indication information for indicating whether the current fragment is the last fragment of the data block.
In an exemplary embodiment, the preset field is a header and/or a payload region of the ethernet packet.
In order to achieve the object of the present invention, the present invention provides a message transmission apparatus, including a memory and a processor, where the memory stores a program, and the program, when read and executed by the processor, implements any one of the message transmission methods described above.
In order to achieve the object of the present invention, the present invention provides a method for transmitting a packet, including:
receiving an Ethernet packet comprising fragmented data, wherein the Ethernet packet carries label information of the fragments, and the label information comprises management information of the fragments in a fragmentation operation of a data block;
acquiring the mark information of the fragments from a preset field;
and managing the data of one or at least two fragments belonging to the same data block according to the marking information in the Ethernet packet.
In an exemplary embodiment, the managing, according to the tag information in the ethernet packet, data of one or at least two fragments belonging to the same data block includes:
determining whether one or at least two fragments corresponding to a new data block are received or not according to the marking information in the Ethernet packet;
and after determining that one or at least two fragments corresponding to a new data block are received, acquiring data of one or at least two fragments belonging to the same data block according to the marking information in the Ethernet packet within a preset time threshold, and stopping the acquisition operation of the fragments of the data block after the time length reaches the time threshold.
In an exemplary embodiment, after the acquiring, according to the tag information in the ethernet packet, data of one or at least two fragments belonging to the same data block, the method further includes:
counting the total number of received fragments belonging to the same data block; acquiring the reference quantity of the data blocks generated after the data blocks are subjected to fragmentation processing at the transmitting side;
and determining whether the received data of the data block is complete or not according to the total number obtained by statistics and the reference number.
In an exemplary embodiment, after determining whether the data of the received data block is complete according to the counted total number and the reference number, the method further includes:
and outputting a determination result whether the data of the data block is complete.
In order to achieve the above object, the present invention provides a message transmission apparatus, which includes a memory and a processor, where the memory stores a program, and the program, when read and executed by the processor, implements any one of the above message transmission methods.
To achieve the object of the present invention, the present invention provides a computer-readable storage medium storing one or at least two programs, which are executed by one or at least two processors to implement the transmission method of a message according to any one of claims 1 to 7.
According to the embodiment provided by the invention, after the fragmentation processing of the data block of the message transmitted by the Ethernet is detected, the marking information of each fragment in one or at least two fragments of the data block is transmitted, wherein the marking information comprises the management information of the fragment in the fragmentation operation of the data block, so that the processing information of the fragmentation operation is transmitted to the receiving side, the receiving side can conveniently and rapidly acquire the fragments of the data block, and the transmission timeliness of the Ethernet packet is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a flowchart of a message transmission method according to the present invention;
fig. 2 is a flowchart of another message transmission method provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The steps illustrated in the flow charts of the figures may be performed in a computer system such as a set of computer-executable instructions. Also, while a logical order is shown in the flow diagrams, in some cases, the steps shown or described may be performed in an order different than here.
Fig. 1 is a flowchart of a message transmission method according to the present invention. The method shown in fig. 1 comprises:
in one exemplary embodiment, the tag information includes at least one of: the information of the interaction period, the number information of the fragments and indication information for indicating whether the current fragment is the last fragment of the data block.
For example, 3 segment identifiers defined as Qid, pid, and Last may be set, where the position of the 3 segment identifier may be adjusted arbitrarily; the bit width of Qid can be defined according to the requirement, and Qid represents the number of the data block; the bit width of the Pid can be customized according to the requirement, the Pid represents the number of the fragmented data block, the Last is used for indicating whether the current fragment is the Last fragment of the data block, wherein the Last is used for indicating that the Pid corresponding to the fragment is the total number of the fragment of the data block when the current fragment is the Last fragment of the data block;
102, adding mark information corresponding to each fragment in a preset field in each fragment;
the preset field is a packet header and/or a payload area of the ethernet packet, and the marking information may be all placed in the packet header, or all placed in the payload area, or a part placed in the packet header and another part placed in the payload area.
The method embodiment provided by the invention obtains the mark information of each fragment in one or at least two fragments of the data block after detecting that the fragment processing occurs to the data block of the message transmitted by the Ethernet, increases the mark information corresponding to each fragment in the preset field of each fragment, and transmits the Ethernet packet carrying the mark information of the fragment, thereby realizing the purpose of transmitting the processing information of the fragment operation to the receiving side, facilitating the receiving side to rapidly obtain the fragments of the data block and improving the timeliness of the transmission of the Ethernet packet.
Fig. 2 is a flowchart of another message transmission method provided in the present invention. The method shown in fig. 2 comprises:
in one exemplary embodiment, the tag information includes at least one of: the information of the interaction period, the number information of the fragments and indication information for indicating whether the current fragment is the last fragment of the data block.
the preset field is a packet header and/or a payload area of the ethernet packet, and the marking information may be placed in both the packet header and/or the payload area, or a part of the marking information is placed in the packet header and the other part of the marking information is placed in the payload area.
In an exemplary embodiment, the managing, according to the tag information in the ethernet packet, data of one or at least two fragments belonging to the same data block includes:
determining whether one or at least two fragments corresponding to a new data block are received or not according to the marking information in the Ethernet packet;
and after determining that one or at least two fragments corresponding to a new data block are received, acquiring data of one or at least two fragments belonging to the same data block according to the marking information in the Ethernet packet within a preset time threshold, and stopping the acquisition operation of the fragments of the data block after the time length reaches the time threshold.
For example, a collecting threshold is configured, a state S0 is pulled up when a first fragment under a certain Qid is received, and timing is started until the state S0 is pulled down after the threshold value is reached. In the S0 pull-up stage, the number of the slices which are the same as the Qid is counted.
In an exemplary embodiment, after acquiring the data of one or at least two fragments belonging to the same data block according to the tag information in the ethernet packet, the method further includes:
counting the total number of received fragments belonging to the same data block; acquiring the reference quantity of the data blocks generated after the data blocks are subjected to fragmentation processing at the transmitting side;
and determining whether the received data of the data block is complete or not according to the total number obtained by statistics and the reference number.
After determining whether the received data of the data block is complete according to the counted total number and the reference number, the method further includes:
and outputting a determination result whether the data of the data block is complete.
In this exemplary embodiment, the total number of received fragments is counted, the counted total data is compared with the Pid of the same fragment in Last, if the total data is equal to the Pid of the same fragment in Last, the reported fragments are completely received, and if no fragment marked by Last is received or the counted number of fragments is different from the Pid corresponding to Last before S0 is pulled down, the reported fragments are not completely received, and each Qid is counted independently and reported respectively.
The method provided by the present invention is further described below:
in order to overcome the problem that the receiving side cannot know the integrity of the fragments in time when ETH is used as a fronthaul port, the method for verifying the integrity of the fragments is provided, wherein the method comprises the following steps
On the sending side, adding 3 segments of identifiers at the payload or packet header custom position of each message, wherein the identifiers are respectively defined as Qid, pid and Last, the positions of the 3 segments of identifiers can be adjusted at will, and the Qid bit width is custom-defined according to requirements to represent the serial number of a data block; the bit width of the Pid is self-defined according to the requirement, the number of the fragmented data block is represented, the Last fragment of the data block is indicated by Last, and the Pid corresponding to the fragment is also the total number of the fragments of the data block.
Wherein, the implementation step of the sending side comprises:
in the first step, the first fragment of the data block is inserted in the first interaction period, and the combination of the interaction period number 0 (Qid), the fragment number 0 (Pid), the Last mark 0 and the packet header defined by the ETH protocol is transmitted as a complete ETH packet.
And secondly, inserting an interaction period number 0 (Qid), a fragment number 1 (Pid), a Last mark 0 and a packet header combination defined by an ETH protocol into a second fragment of the corresponding data block in the first interaction period to form a complete ETH packet and sending the complete ETH packet.
And by analogy, inserting an interaction period number 0 (Qid), a fragment number n (Pid), a Last mark 1 and a packet header combination defined by an ETH protocol into the Last fragment of the data block corresponding to the first interaction period to form a complete ETH packet and sending the complete ETH packet.
And fourthly, inserting an interaction period number 1 (Qid), a fragment number 0 (Pid), a Last mark 0 and a packet header combination defined by an ETH protocol into a first fragment of the corresponding data block in a second interaction period to form a complete ETH packet and send the complete ETH packet.
And fifthly, inserting corresponding interaction period numbers (Qid), fragment numbers (Pid), last marks and packet header combinations defined by an ETH protocol into each fragment to be sent out as a complete ETH packet.
And the receiving side configures a collecting threshold according to the using scene, pulls up a state S0 when receiving the first fragment under a certain Qid, and starts timing until the state S0 is pulled down after the threshold value is reached. In the S0 raising stage, counting the number of fragments which are the same as Qid, comparing the number of fragments with the Pid of the same fragment of Last, if the number of fragments is equal, reporting the fragments to be collected completely, and if the number of fragments which are marked by Last is not received or the number of the counted fragments is different from the Pid corresponding to Last before S0 is lowered, reporting the fragments to be collected completely, wherein each Qid is counted independently and reported respectively.
Wherein, the implementation step of the receiving side comprises:
after receiving a packet, extracting Qid, pid and Last from appointed fields;
and pulling up a state S0 when the first fragment with Qid of 0 is received, and starting timing until the state S0 is pulled down after a threshold value of software configuration is reached.
In the S0 pull-up stage, counting the number of fragments with Qid of 0, comparing with the Pid of the same fragment (Qid of 0), if equal, reporting that the fragments are completely received, if no fragment with Last mark is received or the number of the counted fragments is different from the Pid corresponding to Last before S0 is pulled down, reporting that the fragments are not completely received, if a first fragment with Qid of 1 is received in the process, pulling up another state S1, starting timing, pulling down S1 until reaching the threshold value of software configuration, counting the number of the fragments with Qid of 1 by Cnt1, comparing with the Pid of the same fragment (Qid of 1), if equal, reporting that the fragments are completely received, if no fragment with Last mark is received or the number of the counted fragments is different from the Pid corresponding to Last before S1 is pulled down, reporting that the fragments are completely received, each Qid is independent, and reporting the statistics respectively.
The method provided by the application example of the invention solves the problem that the receiving side cannot sense the integrity of the fragments when the ETH is used as a forward transmission interface, avoids the blind processing of error data in a downstream processing link, and improves the reliability of the ETH as the forward transmission interface.
The message transmission device provided by the invention comprises a memory and a processor, wherein the memory stores a program, and the program realizes the message transmission method shown in figure 1 when being read and executed by the processor.
Another message transmission device provided by the present invention includes a memory and a processor, where the memory stores a program, and when the program is read and executed by the processor, the program implements a message transmission method including that shown in fig. 2.
The present invention provides a computer-readable storage medium storing one or at least two programs, which are executed by one or at least two processors to implement the transmission method of a message as described above.
It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, or suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the components may be implemented as software executed by a processor, such as a digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as is well known to those skilled in the art.
Claims (7)
1. A message transmission method comprises the following steps:
after detecting that fragmentation processing occurs to a data block of a message transmitted by Ethernet, acquiring mark information of each fragment in one or at least two fragments of the data block, wherein the mark information comprises management information of the fragment in the fragmentation operation of the data block;
adding mark information corresponding to each fragment to a preset field in each fragment;
sending an Ethernet packet including fragmented data, wherein the Ethernet packet carries the label information of the fragments;
wherein the marking information at least comprises at least one of: the method comprises the steps of interacting cycle information, fragment number information and indicating information for indicating whether a current fragment is the last fragment of a data block;
the information of the interaction period is used by the receiving side to determine whether one or at least two fragments corresponding to a new data block are received, and the indication information used for indicating whether the current fragment is the last fragment of the data block is also used for indicating the reference number of the fragments contained in the data block.
2. The method of claim 1, wherein the predetermined field is a header and/or a payload region of an ethernet packet.
3. A message transmission method comprises the following steps:
receiving an Ethernet packet including fragmented data, wherein the Ethernet packet carries tag information of the fragments, and the tag information includes management information of the fragments in a fragmentation operation of a data block;
acquiring mark information of the fragments from preset fields of the fragments; wherein the marking information at least comprises at least one of: the method comprises the steps of interacting cycle information, fragment number information and indicating information for indicating whether a current fragment is the last fragment of a data block; the information of the interaction period is used for a receiving side to determine whether one or at least two fragments corresponding to a new data block are received, and the indication information used for indicating whether the current fragment is the last fragment of the data block is also used for indicating the reference number of the fragments contained in the data block;
managing the data of one or at least two fragments belonging to the same data block according to the marking information of the fragments in the Ethernet packet;
wherein, the managing the data of one or at least two fragments belonging to the same data block according to the fragment marking information in the ethernet packet includes:
determining whether one or at least two fragments corresponding to a new data block are received or not according to the marking information of the fragments in the Ethernet packet;
after determining that one or at least two fragments corresponding to a new data block are received according to the information of the interaction period in the marking information of the fragments, acquiring the data of one or at least two fragments belonging to the same data block according to the marking information of the fragments in the Ethernet packet within a preset time threshold, and stopping the acquisition operation of the fragments of the data block after the time length reaches the time threshold;
after acquiring data of one or at least two fragments belonging to the same data block according to the tag information of the fragments in the ethernet packet, the method further includes:
counting the total number of received fragments belonging to the same data block; acquiring the reference quantity of the data blocks generated after the data blocks are subjected to the slicing processing at the transmitting side;
and determining whether the received data of the data block is complete or not according to the total number obtained by statistics and the reference number.
4. The method of claim 3, wherein after determining whether the data of the received data block is complete according to the counted total number and the reference number, the method further comprises:
and outputting a determination result whether the data of the data block is complete.
5. A message transmission apparatus comprising a memory and a processor, the memory storing a program which, when read and executed by the processor, implements the message transmission method according to any one of claims 1 to 2.
6. A message transmission apparatus comprising a memory and a processor, wherein the memory stores a program, and the program, when read and executed by the processor, implements the message transmission method according to any one of claims 3 to 4.
7. A computer-readable storage medium storing one or at least two programs, which are executed by one or at least two processors to implement the transmission method of a message according to any one of claims 1 to 4.
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| CN201811324954.2A CN111163022B (en) | 2018-11-08 | 2018-11-08 | Message transmission method and device and computer readable storage medium |
| PCT/CN2019/116598 WO2020094123A1 (en) | 2018-11-08 | 2019-11-08 | Method and apparatus for transmitting packet, and computer-readable storage medium |
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| CN201811324954.2A CN111163022B (en) | 2018-11-08 | 2018-11-08 | Message transmission method and device and computer readable storage medium |
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| CN100338923C (en) * | 2002-10-31 | 2007-09-19 | 中兴通讯股份有限公司 | Method of realizing IP message partition and recombination based on network processor |
| US7480245B2 (en) * | 2004-12-11 | 2009-01-20 | International Business Machines Corporation | Segmenting data packets for over-network transmission at adjustable fragment boundary |
| WO2006069473A1 (en) * | 2004-12-28 | 2006-07-06 | Zte Corporation | A method and a device for encapsulating the information twice inside the communication device |
| CN101184032B (en) * | 2007-10-31 | 2010-09-08 | 中兴通讯股份有限公司 | Stacked system equipment communication method |
| CN101226700A (en) * | 2008-01-28 | 2008-07-23 | 哈尔滨工业大学 | Teaching experimental approach for slicing and regrouping process of IP datagram |
| CN101932006A (en) * | 2009-06-19 | 2010-12-29 | 中兴通讯股份有限公司 | Method for sending, receiving and transmitting data packets and device therefor |
| CN103595661B (en) * | 2013-11-28 | 2017-05-10 | 新华三技术有限公司 | Message fragmentation restructuring method and device |
| CN107104898A (en) * | 2016-02-22 | 2017-08-29 | 华为技术有限公司 | Method, equipment and the system of message transmissions |
| CN107065750B (en) * | 2017-05-15 | 2019-04-02 | 中国工程物理研究院计算机应用研究所 | The industrial control network dynamic security method of interior raw safety |
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