CN116074767A - Method and application for supporting multicast replication of discrete editing - Google Patents
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000006399 behavior Effects 0.000 claims abstract description 55
- 238000004590 computer program Methods 0.000 claims description 9
- 238000004458 analytical method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 10
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- 238000005516 engineering process Methods 0.000 description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/08—User group management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1458—Management of the backup or restore process
- G06F11/1464—Management of the backup or restore process for networked environments
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/901—Indexing; Data structures therefor; Storage structures
- G06F16/9024—Graphs; Linked lists
Abstract
The invention discloses a method for supporting multicast replication of discrete editing, which comprises the following steps: when a message is dequeued, a head pointer of a multicast copy table is acquired; traversing the editing behavior addresses of the multicast group members in the multicast replication table according to the head pointer, and acquiring corresponding editing behaviors; and carrying out corresponding message editing on the multicast group members at the outlet node according to the editing behaviors. The method can obtain the editing behavior addresses of all the multicast group members by only one time of queuing under the condition that the multicast group members are the same physical outlet and the message editing is different, and edits the message to achieve the purpose of multicast copying.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and an application for supporting multicast replication for discrete editing.
Background
Multicast services are now becoming more and more widespread, and with the rapid growth of network traffic, there is a higher requirement for the replication bandwidth of the switch chip, so that the technology of saving the replication bandwidth is becoming more and more important.
In order to effectively save the replication bandwidth, the method is usually realized through logic replication, and when multicast group members edit different messages for the same physical export message, the multicast group members only have different editing behaviors on the source message at the moment, so that the initial address of the message editing can be recorded, different streams are respectively scheduled according to the recorded number of members to be replicated and the initial address when the multicast group members are dequeued, and the editing behaviors of the message are acquired at the nodes according to the initial address, so that the aim of multicast replication is achieved. Therefore, addresses limiting the editing behaviors of the multicast group members must be continuous, since the editing behavior addresses of the chips are limited, and meanwhile, various services need to edit the behaviors, after other editing behaviors occupy the editing addresses, if no continuous addresses exist, the technology cannot be realized, if the editing addresses are reserved, the utilization rate of resources is reduced, and the complexity of software is improved.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The invention aims to provide a method and application for supporting discrete editing multicast replication, which can acquire the editing behavior addresses of all multicast group members by only one time of queuing and edit the messages under the condition that the multicast group members are the same physical outlet and the message edits are different, thereby achieving the purpose of multicast replication.
To achieve the above object, an embodiment of the present invention provides a method of multicast replication supporting discrete editing.
In one or more embodiments of the present invention, a head pointer of a multicast replication table is obtained when a message is dequeued; traversing the editing behavior addresses of the multicast group members in the multicast replication table according to the head pointer, and acquiring corresponding editing behaviors; and editing the corresponding message of the multicast group member at the outlet node according to the editing behavior.
In one or more embodiments of the present invention, before the message dequeues, the method further includes: analyzing the message address and the multicast message; judging whether the multicast group searches for hit; if yes, multicast replication is performed.
In one or more embodiments of the present invention, the multicast group members are stored in a multicast replication entry table in a linked list.
In one or more embodiments of the present invention, the head pointer is an index of a multicast replication table carried by the multicast replication entry table.
In one or more embodiments of the invention, the edit-action addresses are stored in a linked list in the multicast replication table.
In one or more embodiments of the invention, the multicast group members in the multicast replication entry table correspond to edit-action addresses in the multicast replication table.
In another aspect of the present invention, an apparatus for supporting multicast replication for discrete editing is provided, which includes an acquisition module, an indexing module, an editing module, an parsing module, and a judgment module.
The acquisition module is used for acquiring the head pointer of the multicast replication table when the message is dequeued.
And the index module is used for traversing the editing behavior addresses of the multicast group members in the multicast replication table according to the head pointer and acquiring the corresponding editing behaviors.
And the editing module is used for editing the corresponding message of the multicast group member at the outlet node according to the editing behavior.
The analysis module is used for analyzing the message address and the multicast message.
The judging module is used for judging whether the multicast group searching hits or not.
In one or more embodiments of the present invention, the multicast group members are stored in a multicast replication entry table in a linked list.
In one or more embodiments of the present invention, the head pointer is an index of a multicast replication table carried by the multicast replication entry table.
In one or more embodiments of the invention, the edit-action addresses are stored in a linked list in the multicast replication table.
In one or more embodiments of the invention, the multicast group members in the multicast replication entry table correspond to edit-action addresses in the multicast replication table.
In another aspect of the present invention, there is provided an electronic device including: at least one processor; and a memory storing instructions that, when executed by the at least one processor, cause the at least one processor to perform a multicast replication method supporting discrete editing as described above.
In another aspect of the invention, a computer readable storage medium is provided, having stored thereon a computer program which, when executed by a processor, implements the steps of a multicast replication method supporting discrete editing as described.
Compared with the prior art, the method and the application for supporting the multicast replication of discrete editing according to the embodiment of the invention solve the problem of discontinuous editing behavior addresses of multicast group members by adding the multicast replication entry table and the multicast replication table and acquiring the head pointer of the multicast replication table according to the multicast replication entry table, support the discrete editing behavior addresses, reduce complexity and improve resource utilization rate, and simultaneously, the multicast replication edited by different messages at the same physical outlet only needs to enter a queue once, so that all editing behavior addresses can be acquired, and the message editing is performed after the queue is discharged, thereby effectively saving bandwidth.
Drawings
FIG. 1 is a flow chart of a method of supporting multicast replication for discrete editing in accordance with an embodiment of the present invention;
FIG. 2 is an expanded flow diagram of a method of supporting multicast replication for discrete editing in accordance with an embodiment of the present invention;
FIG. 3 is a block diagram of an apparatus supporting multicast replication for discrete editing according to an embodiment of the present invention;
fig. 4 is a hardware block diagram of a computing device supporting multicast replication for discrete editing in accordance with an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the invention is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.
Some of the concepts involved in the embodiments of the present invention are described below.
The multicast technology is to send information to a certain target group, the target group is called a multicast group, when an active host sends information demand to a multipoint target host, the source host only needs to send one piece of data, and the destination address of the data is a multicast group address, so that members of the multicast group can all receive the data information sent by the source host, in this case, only the multicast group members really needing the information can receive the information, and other hosts cannot receive the information. Multicast enables point-to-multipoint network connections between a sender and each receiver. If one sender transmits the same data to a plurality of receivers at the same time, only one identical data packet is needed to be copied, so that the data transmission efficiency is improved, and the possibility of congestion of a backbone network is reduced.
The following describes in detail the technical solutions provided by the embodiments of the present invention with reference to the accompanying drawings.
Example 1
As shown in fig. 1, a method for supporting multicast replication for discrete editing in one embodiment of the present invention is described, the method including the following steps.
In step S101, when a packet is dequeued, a head pointer of a multicast replication table is acquired.
The multicast replication can realize that a source node sends a piece of data, all multicast group members in the multicast group can receive the same replication data as the data sent by the source node, only the multicast group members in the multicast group can receive the replication data, and other nodes in the network cannot receive the replication data.
In this embodiment, all the multicast group members may be stored in the multicast replication entry table in the form of a linked list, and meanwhile, the editing behavior addresses corresponding to the multicast group members are also stored in the multicast replication table in the form of a linked list.
The linked list may link together all nodes of the linear table in its logical order through the chain field of each node, where the data space of each node typically contains a data structure (for storing various types of data) and a pointer to the next node's location. The head pointer points to the first storage location of the linked list, and when there is a head node, the head pointer points to the head node and an access to the entire linked list begins with the head pointer.
In this embodiment, the nodes in the linked list are the multicast group members and the edit behavior addresses corresponding to the multicast group members. The index of the multicast replication table can be obtained by traversing the multicast group members in the multicast replication entry table, and the head pointer of the multicast replication table is the index of the multicast replication table carried by the multicast replication entry table. After reading the edit-action address of the first multicast group member, the pointer in the linked list points to the edit-action address of the second multicast group member, so that the queue can be entered only once and the edit-action address of the multicast group member can be discrete.
In step S102, the editing behavior addresses of the multicast group members in the multicast replication table are traversed according to the head pointer, and the corresponding editing behaviors are obtained.
The edit action addresses may be any discrete values or may be continuous, for example, the corresponding edit action addresses stored in the multicast replication table by the multicast group member may be discrete values such as 1, 3, 666 and 888, or continuous values such as 1, 2, 3 and 4, respectively. The editing behavior addresses in the multicast replication table are traversed through the head pointer, the corresponding editing behavior addresses can be sequentially obtained according to the sequence of the multicast group members, and the editing behaviors of the multicast group members in the data packet sent by the sender are obtained according to the editing behavior addresses. Therefore, the times of multicast replication into the queue can be controlled to be once, the repeated queue entry in the multicast replication process is avoided, and the bandwidth is saved.
In step S103, corresponding message editing is performed on the multicast group members at the egress node according to the editing behavior.
Based on the editing behavior corresponding to the multicast replication table, corresponding message editing is performed on different multicast group members at the outlet node, and different messages are sent to the corresponding multicast group members so as to realize multicast replication.
The multicast replication entry table and the multicast replication table are added, and the head pointer of the multicast replication table is acquired according to the multicast replication entry table, so that the problem that the editing behavior addresses of multicast group members are discontinuous is solved, discrete editing behavior addresses are supported, complexity is reduced, resource utilization rate is improved, meanwhile, multicast replication edited by different messages at the same physical outlet only needs to enter a queue once, all editing behavior addresses can be acquired, and message editing is performed after the multicast replication is carried out, so that bandwidth can be effectively saved.
Example 2
As shown in fig. 2, a method for supporting multicast replication for discrete editing in still another embodiment of the present invention is described, the method including the following steps.
In step S201, the message address and the multicast message are parsed.
Messages enter a network node from a port, which network node comprises at least one receiving port and at least one outgoing port, which in this embodiment may be a switch. The message is analyzed in an analysis module to obtain the address information of the message and the multicast message, the network node can analyze the received message by using a message transmission protocol, and the information such as the destination MAC address, the destination IP address and the like of the message can be obtained from the message.
In step S202, it is determined whether the multicast group lookup hits.
The multicast message has a specific address segment, and whether the multicast message is in the address segment of the multicast message can be judged according to the target address information of the message. If the target address of the message is in the address segment of the multicast message, the message represents a multicast group searching hit, and the message is the multicast message and multicast copying is carried out. If the target address of the message is not in the address segment of the multicast message, the message is not discarded and multicast copying is not performed, wherein the message represents that the multicast group searching is not hit.
In step S203, when a packet is dequeued, a head pointer of the multicast replication table is acquired.
In step S204, the editing behavior addresses of the multicast group members in the multicast replication table are traversed according to the head pointer, and the corresponding editing behaviors are obtained.
In step S205, corresponding message editing is performed on the multicast group members at the egress node according to the editing behavior.
For example, the message enters the switch from the port 0, the message address information and the multicast message are analyzed in the analysis module, the search of the multicast group is performed, the search hit is found, and the logic of multicast replication is performed. The specific multicast replication process is as follows: when the queue is scheduled, according to the index of the multicast replication table carried by the multicast replication entry table (namely node0, node1, node2 and node 3) as the head pointer of the multicast replication table, traversing the editing behavior address of the multicast group member stored in the multicast replication table, and acquiring the corresponding editing behavior, as shown in fig. 2, the editing behavior address (namely NexthopPtr) can be any discrete value (such as 1/3/666/888, etc.), carrying the message editing to an exit node, respectively carrying out the message editing on different members at the exit node, and sending the carrying different messages to the corresponding multicast group member, thereby completing the multicast replication process.
By organizing the members of the multicast group in a linked list mode, when the output ports are the same and the messages are edited by different members in multicast replication, the replication of the flow in the exchange chip is not needed, at the moment, only one part of the flow in the whole exchange chip is transmitted, the replication bandwidth is saved, the replication complexity is reduced, the resource utilization rate is improved, and the efficient multicast replication is realized.
As shown in fig. 3, a specific embodiment of the apparatus for supporting multicast replication for discrete editing of the present invention is described.
In the embodiment of the present invention, the device for supporting multicast replication for discrete editing includes an acquisition module 301, an indexing module 302, an editing module 303, an parsing module 304, and a judging module 305.
The obtaining module 301 is configured to obtain a head pointer of the multicast replication table when the packet is dequeued.
The index module 302 is configured to traverse the editing behavior addresses of the multicast group members in the multicast replication table according to the head pointer, and obtain the corresponding editing behaviors.
The editing module 303 is configured to edit the corresponding message of the multicast group member at the egress node according to the editing behavior.
The parsing module 304 is configured to parse the message address and the multicast message.
The determining module 305 is configured to determine whether the multicast group lookup hits.
In this embodiment, the multicast group members are stored in the multicast replication entry table in the form of a linked list. The head pointer is an index of the multicast replication table carried by the multicast replication entry table. The multicast group members in the multicast replication entry table correspond to the edit behavior addresses in the multicast replication table. The editing behavior addresses are stored in a multicast replication table in the form of a linked list.
Fig. 4 illustrates a hardware block diagram of a computing device 40 for supporting multicast replication for discrete editing according to an embodiment of the present description. As shown in fig. 4, computing device 40 may include at least one processor 401, memory 402 (e.g., non-volatile memory), memory 403, and communication interface 404, and at least one processor 401, memory 402, memory 403, and communication interface 404 are connected together via bus 405. The at least one processor 401 executes at least one computer readable instruction stored or encoded in the memory 402.
It should be appreciated that the computer-executable instructions stored in memory 402, when executed, cause at least one processor 401 to perform the various operations and functions described above in connection with fig. 1-4 in various embodiments of the present specification.
In embodiments of the present description, computing device 40 may include, but is not limited to: personal computers, server computers, workstations, desktop computers, laptop computers, notebook computers, mobile computing devices, smart phones, tablet computers, cellular phones, personal Digital Assistants (PDAs), handsets, messaging devices, wearable computing devices, consumer electronic devices, and the like.
According to one embodiment, a program product, such as a machine-readable medium, is provided. The machine-readable medium may have instructions (i.e., elements described above implemented in software) that, when executed by a machine, cause the machine to perform the various operations and functions described above in connection with fig. 1-4 in various embodiments of the specification. In particular, a system or apparatus provided with a readable storage medium having stored thereon software program code implementing the functions of any of the above embodiments may be provided, and a computer or processor of the system or apparatus may be caused to read out and execute instructions stored in the readable storage medium.
According to the method and the application for supporting the multicast replication of the discrete editing, the problem that the editing behavior addresses of the multicast group members are discontinuous is solved by adding the multicast replication entry table and the multicast replication table and acquiring the head pointer of the multicast replication table according to the multicast replication entry table, the discrete editing behavior addresses are supported, the complexity is reduced, the resource utilization rate is improved, meanwhile, the multicast replication edited by different messages at the same physical outlet only needs to enter a queue once, all the editing behavior addresses can be acquired, and the message editing is performed after the message is discharged, so that the bandwidth can be effectively saved.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing descriptions of specific exemplary embodiments of the present invention are presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (10)
1. A method for supporting multicast replication for discrete editing, comprising the steps of:
when a message is dequeued, a head pointer of a multicast copy table is acquired;
traversing the editing behavior addresses of the multicast group members in the multicast replication table according to the head pointer, and acquiring corresponding editing behaviors;
and performing corresponding message editing on the multicast group members at the outlet node according to the editing behaviors.
2. The method for supporting multicast replication for discrete editing as defined in claim 1, wherein before said dequeuing of said message, further comprising:
analyzing the message address and the multicast message;
judging whether the multicast group searches for hit; if so, the first and second data are not identical,
multicast replication is performed.
3. The method for supporting discrete edited multicast replication as defined in claim 1, wherein said multicast group members are stored in a multicast replication entry table in a linked list form.
4. The method for supporting multicast replication for discrete editing as defined in claim 3, wherein said head pointer is an index of a multicast replication table carried by said multicast replication entry table.
5. The method for supporting discrete edited multicast replication as defined in claim 3, wherein multicast group members in said multicast replication entry table correspond to edit behavior addresses in said multicast replication table.
6. The method for supporting multicast replication for discrete editing as defined in claim 1, wherein said editing behavior addresses are stored in a linked list in said multicast replication table.
7. An apparatus for supporting multicast replication for discrete editing, the apparatus comprising:
the acquisition module is used for acquiring a head pointer of the multicast replication table when the message is sent out of the queue;
the index module is used for traversing the editing behavior addresses of the multicast group members in the multicast replication table according to the head pointer and acquiring corresponding editing behaviors;
and the editing module is used for editing the corresponding messages of the multicast group members at the outlet node according to the editing behaviors.
8. The apparatus for supporting multicast replication for discrete editing as defined in claim 7, further comprising:
the analysis module is used for analyzing the message address and the multicast message;
and the judging module is used for judging whether the multicast group searching hits or not.
9. An electronic device, comprising:
at least one processor; and
a memory storing instructions that, when executed by the at least one processor, cause the at least one processor to perform the multicast replication method supporting discrete editing of any one of claims 1 to 6.
10. A computer readable storage medium, characterized in that the computer readable storage medium has stored thereon a computer program which, when executed by a processor, implements the steps of the multicast replication method supporting discrete editing according to any of claims 1 to 6.
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