CN103051521A - Retransmitting method of message in cloud environment - Google Patents
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Abstract
The invention provides a retransmitting method of messages in a cloud environment, wherein a system comprises a direct-type retransmitting device (1), a broadcast-type retransmitting device (2), a theme-type retransmitting device (3), a message-header-type retransmitting device (4) and a message queue (5); and the method comprises the following steps of: by using the retransmitting devices as a core, binding a specific-type retransmitting device and an appointed queue through a binding keyword, sending the message with a retransmitting keyword to the specific-type retransmitting device by a message sender, matching the retransmitting keyword in the message with the binding keyword through the retransmitting device, then retransmitting the massage to the matched queue, obtaining the required message from the queue by a message receiver to realize the retransmission of the message in the cloud environment, so that the reliable retransmission or routing of the messages among processes or services in heterogeneous and complicated cloud-computing environments is ensured, and an independent and universal message system is formed; thus, the coupling degree of communication among the processes or the services is reduced, and furthermore, the development cost of service communication in the cloud-computing environment is lowered.
Description
Technical field
The present invention relates to the cloud computing communication technique field, specifically the retransmission method of message under a kind of cloud environment.
Background technology
Along with full-fledged and grid and its combination of Intel Virtualization Technology are lower, be pregnant with cloud computing.And the message communication between each physical node becomes its important part in the cloud computing environment, and the message communication is much such as the basis of monitor service, system management, scheduling, load balancing, the high operation such as available in the cloud computing environment.Yet how to guarantee that the reliable message communication between these processes or service just becomes the key issue of being badly in need of solution under the current cloud computing environment.And the problem that solves message communication maximum is that the message between a large amount of processes and the service is transmitted and route under the cloud environment.
Therefore, need that design is a kind of can carry out the method and system that message is transmitted easily, can guarantee process under the cloud computing environment of isomery complexity or the reliable communicating of service.Guarantee simultaneously versatility and the transplantability of the method and system, reduce complexity and the cost of message communication mechanism exploitation.
Summary of the invention
Technical assignment of the present invention is to solve the deficiencies in the prior art, and the retransmission method of message under a kind of new-type cloud environment is provided.
Technical scheme of the present invention realizes in the following manner, as core take transponder, by the binding keyword particular type transponder and specified queue are bound, the sender of the message will send to the particular type transponder with the message of transmitting keyword, this transponder is again by mating the forwarding keyword in the message and binding keyword, then message is transmitted to the formation of coupling, message recipient is obtained required message from formation, more than just realized the forwarding of message under the cloud environment.This system comprises: direct-type transponder (1), broadcast type transponder (2), subject-type transponder (3), message hair style transponder (4), message queue (5) wherein:
Direct-type transponder (1) is the realization basis of all transponders, the negative then direct forwarding of message.Its principle is: by the forwarding keyword of exact matching message, message is forwarded in zero or a plurality of formation, the binding keyword is used for formation and transponder are tied to together, so just, can make up classical point-to-point queue message mode, but the same with any defined head-end type, when the forwarding keyword of message and a plurality of binding keyword match, message may be sent in a plurality of formations;
The negative then broadcast transmission of message of broadcast type transponder (2), its principle is: no matter what the forwarding keyword of message is, this message all can be forwarded in all formations of binding with this transponder.The working method of broadcast type head-end type is: do not use any parameter that message queue and transponder are bound together.When the sender of the message sent a piece of news to transponder, message was finished the message forwarding by in the unconditional message queue that is delivered to all and this transponder binding;
The pattern matching of the negative then message of subject-type transponder (3) is transmitted, and its principle is: by the forwarding keyword of message and the pattern matching of binding keyword, message is forwarded in the bound formation.This head-end type can be used to support classical publish/subscribe transmission of messages model.Use the subject word space as the message addressing mode, message is transmitted to a plurality of formations of those some or all of coupling matic moulds;
The effect of message hair style transponder (4) is the forwarding of being responsible for the multiple attribute of message, and uses message header than transmitting the easier statement of keyword.Message header transponder device is ignored the forwarding key attribute.The substitute is, whole message header attribute is used to transmit coupling.If the value of message header is identical with the value of binding formation appointment, then corresponding formation can be mated and be sent to this message.Message hair style transponder is similar to the subject-type transponder, all be to point out a plurality of overanxious conditions, but the condition of message header transponder is to obtain by message header, and be different from the forwarding keyword, can be any order, matching way can be any or all(message header values that namely can mate appointment any one or all);
Message queue (5) mainly is responsible for the association messages recipient, and the message of storage message forwarder transmission, when message forwarder sends over a piece of news, this message can be stored in the formation, and pass through message recipient, when message sink all took out this message from formation, message queue can be with this message deletion.
Concrete forwarding step is as follows:
In architecture, all message forwarders are all accepted first message, then message is sent to the message queue of coupling, message queue is a buffering area, it is that one group of recipient's application program that disappears is preserved message, application program is free to create within its extent of competence, share, use and consume message queue, message queue provides the assurance of conditional first in first out, server can be with the message of the level of sending from some senders of the message that All factors being equal, preference will be give to, enter the sequence delivery of formation to certain message recipient according to them, as long as user or message recipient have corresponding authority, any formation can be by explicit deletion, and message queue is kept at internal memory with message, among the combination of hard disk or this two media, message queue is preserved message, and give one or more message recipients with message distribution, and the situation of obtaining that message queue can tracking message, message will go out team and just must be acquired, and then consumption, obtain and consumption is two actions, carry out first and obtain, be equivalent to message is locked.This has just stoped a plurality of message recipients to obtain simultaneously and has consumed same message, also can be used to do the load balancing between a plurality of message recipients of single queue;
Described " binding " is exactly that a specific message forwarder and a specific formation are bound, and statement statement method is in the program:
channel.queueBind("Exchange",?"Queue",?"BindingKey");
Message has one to be called the attribute of transmitting keyword, and message forwarder wants this message is transmitted to specific formation, and the binding keyword of this formation and transponder must be complementary with the forwarding keyword of message;
The direct-type transponder, when certain message during to the direct-type transponder, if the keyword that he transmits is orange, then he will be delivered to message queue 1, if the keyword that he transmits is black or green, then he will be delivered to queue message formation 2;
Described broadcast type transponder, do not use any parameter that message queue and transponder are bound together, the sender of the message sends a piece of news to the broadcast type transponder, message is by in the unconditional message queue that is transmitted to all and the binding of this transponder, send to all message of broadcast type transponder, will be sent in the formation of all and transponder binding;
Described subject-type transponder, its working method is: the binding keyword consists of with zero or a plurality of mark, separate with ". " character between each mark, the binding keyword must offer some clarification on this form, and support asterisk wildcard: " * " mates a phrase, " # " zero or a plurality of phrase, therefore, binding keyword " * .stock.# " coupling is transmitted keyword " usd.stock " and " eur.stock.db ", but do not mate " stock.nasdaq ", " * " can mate any one word, " # " can be mated any a plurality of keyword, comprises 0, delivers to the message of subject-type transponder, when having mated specific forwarding keyword, just can send to specific formation, if the keyword that he transmits is a.orange.b, then he will be delivered to message queue 1, if the keyword that he transmits is a.bc. black or green.a.b, then he will be delivered to message queue 2;
If the value of message header is identical with the value of binding formation appointment, then corresponding formation can be mated and be sent to this message, message hair style transponder is similar to the subject-type transponder, all be to point out a plurality of overanxious conditions, but the condition of message header transponder is to obtain by message header, and be different from the forwarding keyword, it is any order, matching way is any or all, any one or all of namely mating the message header value of appointment, message hair style transponder sends to message queue 1 with message, that is because the parameter setting of " x-match " for " any ", has a Condition Matching as long as this just means in the condition of message header, just message can be sent to this formation, when the parameter of " x-match " is set to " all ", mean that all message header conditions all will mate, message hair style transponder is used to directing message, is characterized in: only know that all comprise a subset of condition, but order is uncertain, for the condition type of complexity provides a kind of easily matched form.
The invention has the beneficial effects as follows: the reliable forwarding or the route that guarantee message between each process under the cloud computing environment of isomery complexity or service, and form a message system that independence is general, like this with regard to the degree of coupling of communication between reduction process or service, and then reduced the development cost of service communication under the cloud computing environment.The present invention has guaranteed versatility and the robustness of message system by a kind of convenient and reliable message forwarding method of design, can well be transplanted in the new cloud computing environment.
Description of drawings
Fig. 1 is a kind of direct-type transponder model structure schematic diagram;
Fig. 2 is a kind of broadcast type transponder model structure schematic diagram;
Fig. 3 is a kind of subject-type transponder model structure schematic diagram;
Fig. 4 is a kind of message hair style transponder model structure schematic diagram.
Embodiment
With reference to the accompanying drawings, content of the present invention is described by the process that realizes this message repeater system with an instantiation.
As described in the summary of the invention, architecture of the present invention mainly comprises: direct-type transponder (1), broadcast type transponder (2), subject-type transponder (3), message hair style transponder (4), message queue (5)
All message forwarders of mentioning in this architecture are all accepted first message, then message are sent to the message queue of coupling.Message queue is a buffering area, and it is that one group of recipient's application program that disappears is preserved message.Application program is free to create, share, use and consume message queue within its extent of competence.Message queue provides conditional first in first out to guarantee.Server can enter the sequence delivery of formation to certain message recipient according to them with the message of the level of sending from some senders of the message that All factors being equal, preference will be give to.As long as user's (message recipient) has corresponding authority, any formation can be by explicit deletion.Message queue is kept at internal memory, hard disk with message, perhaps among the combination of this two media.Message queue is preserved message, and gives one or more message recipients with message distribution.Message queue can tracking message the situation of obtaining, message will go out team and just must be acquired, and then consumption (obtain and consumption is two actions, first execution is obtained, and is equivalent to message is locked).This has stoped a plurality of message recipients to obtain simultaneously and has consumed same message, also can be used to do the load balancing between a plurality of message recipients of single queue.
The binding of mentioning in this architecture is bound a specific message forwarder and a specific formation exactly.Statement statement method is in the program:
channel.queueBind("Exchange",?"Queue",?"BindingKey");
Message has one to be called the attribute of transmitting keyword, and message forwarder wants this message is transmitted to specific formation, and the binding keyword of this formation and transponder must be complementary with the forwarding keyword of message.
The realization of the direct-type transponder of mentioning in this architecture as shown in Figure 1, when certain message during to the direct-type transponder, if his forwarding keyword orange, then he will be delivered to message queue 1, if his forwarding keyword be black or green, then he will be delivered to queue message formation 2.
The realization of the broadcast type transponder of mentioning in this architecture does not use any parameter that message queue and transponder are bound together as shown in Figure 2.The sender of the message sends a piece of news to the broadcast type transponder.Message is by in the unconditional message queue that is transmitted to all and the binding of this transponder.In the drawings, send to all message of broadcast type transponder, will be sent in the formation of all and transponder binding.
The realization of the subject-type transponder of in this architecture, mentioning as shown in Figure 3, its working method is: the binding keyword consists of with zero or a plurality of mark, separates with ". " character between each mark.The binding keyword must offer some clarification on this form, and supports asterisk wildcard: " * " (mating a phrase), " # " (zero or a plurality of phrase).Therefore bind keyword " * .stock.# " coupling and transmit keyword " usd.stock " and " eur.stock.db ", but do not mate " stock.nasdaq ".Among the figure, * can mate any one word, and # can mate arbitrarily a plurality of (comprising 0) keyword, delivers to the message of subject-type transponder, when having mated specific forwarding keyword, just can send to specific formation.If his forwarding keyword a.orange.b, then he will be delivered to message queue 1, if his forwarding keyword a.bc. black or green.a.b, then he will be delivered to message queue 2.
The realization of the message hair style transponder of in this architecture, mentioning as shown in Figure 4, if the value of message header is identical with the value of binding formation appointment, then corresponding formation can be mated and be sent to this message.Message hair style transponder is similar to the subject-type transponder, all be to point out a plurality of overanxious conditions, but the condition of message header transponder is to obtain by message header, and be different from the forwarding keyword, can be any order, matching way can be any or all(message header values that namely can mate appointment any one or all).Among the figure, message hair style transponder sends to message queue 1 with message, that be because the parameter setting of " x-match " for " any ", as long as just meaning in the condition of message header, this have a Condition Matching just passable, message is sent to this formation, when the parameter of " x-match " is set to " all ", mean that all message header conditions all will mate just passable.Message hair style transponder is used to directing message, is characterized in: only know that all comprise a subset of condition, but order is uncertain, for the condition type of complexity provides a kind of easily matched form.
Except the disclosed technical characterictic of specification of the present invention, be the public office technology of those skilled in the art.
Claims (3)
1. the retransmission method of message under the cloud environment, it is characterized in that, take transponder as core, by the binding keyword particular type transponder and specified queue are bound, the sender of the message will send to the particular type transponder with the message of transmitting keyword, this transponder is again by mating the forwarding keyword in the message and binding keyword, then message is transmitted to the formation of coupling, message recipient is obtained required message from formation, realize the forwarding of message under the cloud environment, system comprises: direct-type transponder (1), broadcast type transponder (2), subject-type transponder (3), message hair style transponder (4) and message queue (5), wherein:
Direct-type transponder (1) is the realization basis of all transponders, negative then the direct forwarding of message, its principle is: by the forwarding keyword of exact matching message, message is forwarded in zero or a plurality of formation, the binding keyword is used for formation and transponder are tied to together, make up so classical point-to-point queue message mode, when the forwarding keyword of message and a plurality of binding keyword match, message may be sent in a plurality of formations;
The negative then broadcast transmission of message of broadcast type transponder (2), its principle is: no matter what the forwarding keyword of message is, this message all can be forwarded in the formation of all and the binding of this transponder, the working method of broadcast type head-end type is: do not use any parameter that message queue and transponder are bound together, when the sender of the message sends a piece of news to transponder, message is finished message and is transmitted by in the unconditional message queue that is delivered to all and the binding of this transponder;
The pattern matching of the negative then message of subject-type transponder (3) is transmitted, its principle is: by the forwarding keyword of message and the pattern matching of binding keyword, message is forwarded in the bound formation, this head-end type is used to support classical publish/subscribe transmission of messages model, use the subject word space as the message addressing mode, message is transmitted to a plurality of formations of those some or all of coupling matic moulds;
The effect of message hair style transponder (4) is the forwarding of being responsible for the multiple attribute of message, and use message header than transmitting the easier statement of keyword, message header transponder device is ignored the forwarding key attribute, the substitute is, whole message header attribute is used to transmit coupling, if the value of message header is identical with the value of binding formation appointment, then corresponding formation can be mated and be sent to this message, message hair style transponder is similar to the subject-type transponder, all be to point out a plurality of filterconditions, but the condition of message header transponder is to obtain by message header, and be different from the forwarding keyword, be any order, matching way is any or all, namely mates any one or all of the message header value of appointment;
Message queue (5) mainly is responsible for the association messages recipient, and the message of storage message forwarder transmission, when message forwarder sends over a piece of news, this message can be stored in the formation, and pass through message recipient, when message sink all took out this message from formation, message queue can be with this message deletion;
Concrete forwarding step is as follows:
In architecture, all message forwarders are all accepted first message, then message is sent to the message queue of coupling, message queue is a buffering area, it is that one group of recipient's application program that disappears is preserved message, application program is free to create within its extent of competence, share, use and consume message queue, message queue provides the assurance of conditional first in first out, server can be with the message of the level of sending from some senders of the message that All factors being equal, preference will be give to, enter the sequence delivery of formation to certain message recipient according to them, as long as user or message recipient have corresponding authority, any formation can be by explicit deletion, message queue is kept at internal memory with message, among the combination of hard disk or this two media, message queue is preserved message, and give one or more message recipients with message distribution, the situation of obtaining of message queue meeting tracking message, message will go out team and just must be acquired, and then consumption, obtain and consumption is two actions, carry out first and obtain, be equivalent to message is locked, this has just stoped a plurality of message recipients to obtain simultaneously and has consumed same message, also can be used to do the load balancing between a plurality of message recipients of single queue;
Described " binding " is exactly that a specific message forwarder and a specific formation are bound, and statement statement method is in the program:
channel.queueBind("Exchange",?"Queue",?"BindingKey");
Message has one to be called the attribute of transmitting keyword, and message forwarder wants this message is transmitted to specific formation, and the binding keyword of this formation and transponder must be complementary with the forwarding keyword of message;
The direct-type transponder, when certain message during to the direct-type transponder, if the keyword that he transmits is orange, then he will be delivered to message queue 1, if the keyword that he transmits is black or green, then he will be delivered to queue message formation 2;
Described broadcast type transponder, do not use any parameter that message queue and transponder are bound together, the sender of the message sends a piece of news to the broadcast type transponder, message is by in the unconditional message queue that is transmitted to all and the binding of this transponder, send to all message of broadcast type transponder, will be sent in the formation of all and transponder binding;
Described subject-type transponder, its working method is: the binding keyword consists of with zero or a plurality of mark, separate with ". " character between each mark, the binding keyword must offer some clarification on this form, and support asterisk wildcard: " * " mates a phrase, " # " zero or a plurality of phrase, therefore, binding keyword " * .stock.# " coupling is transmitted keyword " usd.stock " and " eur.stock.db ", but do not mate " stock.nasdaq ", " * " can mate any one word, " # " can be mated any a plurality of keyword, comprises 0, delivers to the message of subject-type transponder, when having mated specific forwarding keyword, just can send to specific formation, if the keyword that he transmits is a.orange.b, then he will be delivered to message queue 1, if the keyword that he transmits is a.bc. black or green.a.b, then he will be delivered to message queue 2;
If the value of message header is identical with the value of binding formation appointment, then corresponding formation can be mated and be sent to this message, message hair style transponder is similar to the subject-type transponder, all be to point out a plurality of overanxious conditions, but the condition of message header transponder is to obtain by message header, and be different from the forwarding keyword, it is any order, matching way is any or all, any one or all of namely mating the message header value of appointment, message hair style transponder sends to message queue 1 with message, that is because the parameter setting of " x-match " for " any ", has a Condition Matching as long as this just means in the condition of message header, just message can be sent to this formation, when the parameter of " x-match " is set to " all ", mean that all message header conditions all will mate, message hair style transponder is used to directing message, is characterized in: only know that all comprise a subset of condition, but order is uncertain, for the condition type of complexity provides a kind of easily matched form.
2. the retransmission method of message under the cloud environment according to claim 1, when it is characterized in that a plurality of nodes carry out the message communication in cloud environment, by different binding keywords distinguishing different senders of the message and message recipient, with guarantee under the cloud environment between great deal of nodes message transmit and communication.
3. the retransmission method of message under the cloud environment according to claim 1, it is characterized in that message forwarder and message queue as a functional structure body independently, determine the selection of message forwarder type and the binding keyword of message forwarder and message queue by message recipient or sender of the message's statement.
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CN109995801A (en) * | 2017-12-29 | 2019-07-09 | 北京京东尚科信息技术有限公司 | A kind of method for message transmission and device |
CN109995801B (en) * | 2017-12-29 | 2022-11-08 | 北京京东尚科信息技术有限公司 | Message transmission method and device |
CN108337116A (en) * | 2018-01-30 | 2018-07-27 | 新华三技术有限公司 | Message order-preserving method and device |
CN112291322A (en) * | 2020-10-22 | 2021-01-29 | 浪潮云信息技术股份公司 | Application management method and system based on IMS |
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