CN109672632A - FC-AE-ASM Data Communication in Computer Networks method and system - Google Patents
FC-AE-ASM Data Communication in Computer Networks method and system Download PDFInfo
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- CN109672632A CN109672632A CN201811589211.8A CN201811589211A CN109672632A CN 109672632 A CN109672632 A CN 109672632A CN 201811589211 A CN201811589211 A CN 201811589211A CN 109672632 A CN109672632 A CN 109672632A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/20—Support for services
- H04L49/201—Multicast operation; Broadcast operation
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- 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
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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Abstract
The present invention relates to technical field of optical fiber communication.The embodiment of the present invention provides a kind of FC-AE-ASM Data Communication in Computer Networks method and system, wherein this method comprises: being obtained from the data communication request of request FC node, and parse and request theme included in data communication request, wherein each request theme corresponds to unique request channel；Judge in response subject table with the presence or absence of quantity for multiple target response themes to match with request theme；If it exists, then to interchanger distribution FC multicast address to establish multicast group, and response FC node corresponding to each target response theme to match is added in multicast group, wherein interchanger is used to subject data corresponding to request theme synchronizing each response FC node being transmitted in multicast group.Hereby it is achieved that subject data is synchronized transmission between each response FC node in a manner of multicast；And only need to have saved the resource of request FC node by a request channel.
Description
Technical field
The present invention relates to FC technical field of optical fiber communication, more particularly to a kind of FC-AE-ASM Data Communication in Computer Networks method
And system.
Background technique
FC-AE-ASM agreement is FC-AE (Fibre Channel-AvionicsEnvironment, optical-fibre channel aviation ring
Border) one of network upper-layer protocol, which is used to support various types of processors, sensor in optical-fibre channel aviation electronics environment
Determination, the communication of safety, low latency between display；The communication of FC-AE-ASM between each device node is by the channel ASM
It is controlled.Each ASM (anonymous subscription person's message, Anonymous Subscriber Message) channel is by FC-AE-ASM
Message ID (back abbreviation msgID) and SID (source FCID), the DID (purpose FCID) three in FC frame head in frame head is wanted
Element is constituted together, represents a kind of unidirectional traffic, each channel can carry a kind of data service.
FC-ASM is used in application in the current country, pre-defining on each node has an ASM transmission/reception logical
Road table, pre-defined in table with other node communications in whole system need it is all send and receive channel information, often
Channel is defined by msgID+SID+DID.These channels ASM are to configure in communication node start-up course, should
Configuration cannot dynamically modify Yi Dan loaded successfully.
The channel configuration of FC-AE-ASM in presently relevant technology includes static and dynamic two ways: in static configuration
When, it needs that various nodes and communication channel are planned that networking is very not flexible in advance in advance, maintenance workload is big.Publication is ordered
It reads and is accomplished that dynamic creation process in channel under mode, can solve the problems, such as flexible networking and Maintenance Difficulty very well.Each communication section
Point can at any time to background system apply for the registration of oneself need issuing subject and subscribe to theme.Background system is in processing theme hair
While cloth and subscription registration, theme matching is carried out: if it find that some subject in new issuing subject name and subscription subject heading list
Identical or new subscription subject is identical with some subject in issuing subject table, then it is assumed that success is brought together, otherwise it is assumed that brining together
Failure.On the node of publisher, corresponding ASM communication channel can be established for successful theme has been brought together；For one
Theme is there are multiple channels ASM in the case where multiple subscribers, are had with its correspondence, as shown in Figure 1, when publisher has data hair
When cloth, it can be sent on all channels ASM related with this theme.
Present inventor has found that above scheme is at least when subscription number of nodes is more during practicing the application
Have the defects that as follows: 1) publisher node sends a data, needs to send data toward multiple channels respectively, to publisher node
Resource (especially CPU) consumption is bigger, and the bandwidth for occupying publisher node increases.2) data that multiple channels are sent have serial elder generation
Order afterwards, the time that each subscriber receives data can be inconsistent；Or timeliness more demanding for time precision is more demanding
Application scenarios have larger impact.
For example, node A (address FCID1) register issuing subject T, node B (FCID2) registration subscribe to theme T, then after
Platform system can distribute an ASM transceiver channel for node A+B, be identified by messageID1.Theme is subscribed to when node C is also registered
T, background system also can distribute an ASM transceiver channel for node A+C, be identified by messageID2.As the theme T of node A
On when having data transmission, it is necessary to sent respectively one time on the channel that messageID1 and messageID2 is identified.
Summary of the invention
The purpose of the embodiment of the present invention is that a kind of FC-AE-ASM Data Communication in Computer Networks method and system are provided, at least
It solves to transmit the money of publisher node caused by data respectively by multichannel in current FC-AE-ASM Publish-subscribe communication network
Source burden and the nonsynchronous problem of the received data of data receiver.
To achieve the goals above, on the one hand the embodiment of the present invention provides a kind of FC-AE-ASM Data Communication in Computer Networks method,
It include: to be obtained from the data communication request of request FC node, and parse and request theme included in the data communication request,
Wherein each request theme corresponds to unique request channel；Judge in response subject table with the presence or absence of quantity for it is multiple with it is described
The target response theme that request theme matches is used to respond institute wherein the response subject table is used to count in fiber optic network
State the response FC node and response communication theme of data communication request；If it exists, then to interchanger distribution FC multicast address to build
Vertical multicast group, and response FC node corresponding to each target response theme to match is added to the multicast group
In, wherein the interchanger for subject data corresponding to the request theme is synchronized be transmitted to it is each in the multicast group
A response FC node.
On the other hand the embodiment of the present invention provides a kind of FC-AE-ASM Data Communication in Computer Networks system, comprising: request theme solution
Unit is analysed, for being obtained from the data communication request of request FC node, and parses and is asked included in the data communication request
Theme is sought, wherein each request theme corresponds to unique request channel；Matching judgment unit, for judging in response subject table
It is multiple target response themes to match with the request theme with the presence or absence of quantity, wherein the response subject table is for uniting
The response FC node and response subject for being used to respond the data communication request in meter fiber optic network；Multicast establishes unit, uses
In if it exists, then FC multicast address is distributed to interchanger to establish multicast group, and by each target response master to match
The corresponding response FC node of topic is added in the multicast group, wherein the interchanger is for will be corresponding to the request theme
Subject data synchronize each response FC node being transmitted in the multicast group.
Through the above technical solutions, parse the request theme in request when receiving data communication request, and
And request theme corresponds to unique request channel, when there are multiple target topic titles matched with request theme, that is, deposits
In multiple responsive nodes, does not need to establish multiple channels respectively between requesting node and multiple responsive nodes, but pass through
All matched response FC nodes are added to multicast group, to realize subject data in a manner of multicast in each response FC
Transmission is synchronized between node；In addition, it is only necessary to by a request channel can be realized as by data from request FC node
Multiple response FC nodes are sent to, the resource of request FC node has been saved.
The other feature and advantage of the embodiment of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to further understand for providing to the embodiment of the present invention, and constitute part of specification, under
The specific embodiment in face is used to explain the present invention embodiment together, but does not constitute the limitation to the embodiment of the present invention.Attached
In figure:
Fig. 1 is in FC-AE-ASM network in presently relevant technology for the frame of multiple dynamic group nets for subscribing to FC nodes
Structure schematic diagram；
Fig. 2 is the group that multi-request FC node is directed in the FC-AE-ASM Data Communication in Computer Networks method of one embodiment of the invention
It broadcasts group and establishes flow chart；
Fig. 3 is to carry out networking group synchronous transfer using the FC-AE-ASM Data Communication in Computer Networks method of one embodiment of the invention
Subject data subscribes to the schematic illustration of node to multiple FC；
Fig. 4 is the flow chart of the FC-AE-ASM Data Communication in Computer Networks method of another embodiment of the present invention；
Fig. 5 is to apply the FC-AE-ASM Data Communication in Computer Networks method of one embodiment of the invention by subject data unicast transmission
To the single schematic illustration for subscribing to FC node；
The process schematic illustration of the FC-AE-ASM Data Communication in Computer Networks method of one embodiment of the invention illustrated in fig. 6；
Illustrated in fig. 7 is the survey in the FC-AE-ASM Data Communication in Computer Networks method of practical application one embodiment of the invention
Try configuration diagram；
Fig. 8 is the simulated effect using the data transmission of the FC-AE-ASM Data Communication in Computer Networks method of the embodiment of the present invention
Figure；
Fig. 9 is the structural block diagram of the FC-AE-ASM Data Communication in Computer Networks system of one embodiment of the invention.
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the embodiment of the present invention.It should be understood that this
Locate described specific embodiment and be merely to illustrate and explain the present invention embodiment, is not intended to restrict the invention embodiment.
The channel ASM is the channel link for carrying out communication using FC-AE-ASM agreement and needing to establish.(just as logical with TCP/IP
News need first to be established the link with socket equally, and only socket is bi-directional chaining, and ASM is one-way linkage here).Often
The channel ASM on a node is divided into sendaisle and two kinds of receiving channel.As shown in Figure 1, in the dynamic group of presently relevant technology
During net, when there are multiple subscription FC nodes, need to establish between each subscription FC node and publication FC node logical
Road, and data are sent by channel respectively, cause data to be unable to synchronous transfer between multiple FC nodes, and seriously consume hair
The resource of cloth FC node.
As shown in Fig. 2, the FC-AE-ASM Data Communication in Computer Networks method of one embodiment of the invention, comprising:
S11, the data communication request for being obtained from request FC node, and parse and request master included in data communication request
Topic, wherein each request theme corresponds to unique request channel.
About the subject of implementation of present invention method, it is suitable suitable for being arranged in FC network to be arbitrary
Processor or controller, by programming method integration be directed to FC signal background system processing function.
It should be noted that during dynamic FC data communication comprising theme posting request and theme subscription response,
And theme subscribes to request and theme publication response.The embodiment of the present invention be suitable for being used in above with respect to pulling subscription or
Under the different application scene for requesting publication, and belong in protection scope of the present invention.
Illustratively, request FC node is publication FC node, then can be obtained from the posting request of publication FC node, and
Issuing subject included in posting request is parsed, wherein each issuing subject corresponds to unique sendaisle.Wherein, it issues
Theme can be the information that can be identified for that publication FC node；In addition, the concrete type about theme, can be instruction FCID letter
Cease (such as source FCID or purpose FCID), and also can also be the preparatory customized setting of other institutes information (such as Topic1,
Topic2 etc.), it should not limit herein.And in the present embodiment, each issuing subject only needs a sendaisle, even if
It is also only to need a sendaisle just can complete for multiple subscription FC nodes, has saved the processing money of publication FC node
Source.
S12, judge in response subject table with the presence or absence of quantity for multiple target response themes to match with request theme,
Wherein the response subject table is used to count logical for the response FC node of response data communication request and response in fiber optic network
Interrogate theme.
Correspondingly, when data communication request is posting request, response subject table is to subscribe to subject heading list, and respond FC node
To subscribe to FC node.Match to be multiple with issuing subject specifically, can be and judge to subscribe in subject heading list with the presence or absence of quantity
Target subscribe to theme, wherein subscribing to, subject heading list is used to count subscription FC node in fiber optic network and its requested subscriptions is led
Topic.
As an example, can be one FC section of every appearance in fiber optic network about the correlative detail for subscribing to subject heading list
Point, which issues, subscribes to request, is just determined as the FC node to subscribe to FC node, and the subscription theme in subscription request is ordered with this
FC node (including subscribing to the address of node FC) associated storage is read to subscribing in subject heading list, to realize in the subscription subject heading list
FC node and its requested statistics for subscribing to theme are subscribed to in fiber optic network.
Therefore, it is subscribed to by judging to subscribe in subject heading list with the presence or absence of quantity for multiple targets to match with issuing subject
Theme can determine and subscribe to whether the subscription node of the theme is multiple nodes.
S13, if it exists then distributes FC multicast address to interchanger to establish multicast group, and by each target to match
Response FC node corresponding to response subject is added in multicast group, and wherein interchanger will be for that will request theme corresponding to theme
Data synchronize each response FC node being transmitted in multicast group.
Specifically, it can be response FC address of node Jun Guan corresponding to each target response theme to match
It is coupled to FC multicast address, to add it to multicast group.
As an example, during request publication is responded and is subscribed to, and if it exists, then distribute FC multicast address to interchanger
To establish multicast group, and each target to match is subscribed into subscription FC node corresponding to theme and is added in multicast group,
In the interchanger for subject data corresponding to issuing subject to be synchronized to each subscription FC node being transmitted in multicast group.
About the mode that matched subscription FC node is added to multicast group, it can be and order each target to match
The address of node subscription FC corresponding to theme is read to be associated with to FC multicast address, to add it to multicast group.
It is understood that the particular content and details of the FC multicast address distributed, are not intended to limit, and it is used for herein
Construct FC multicast network.In the present embodiment, the subscription FC node being mutually matched is added in multicast network group by FC interchanger,
Then subject data corresponding to issuing subject is sent to each subscription FC node in multicast network in a manner of multicast, realized
The synchronous transfer subject data between each subscription FC node, can be applied in wider scene.
It should be noted that can be request FC node when pulling subscription and respond publication as subscription FC node, and phase
Answering ground response subject table is issuing subject table, and responding FC node is publication FC node.It is responded about specifically pulling subscription
The details of the process of publication is referred to full text about request publication and responds the process subscribed to and executed, just do not repeat herein.
In some embodiments, it is added to by response FC node corresponding to each target response theme to match
After in multicast group, this method further include: multicast address is sent to request FC node, so that the FC node that calls request leads request
The destination address of the corresponding request channel of topic is directed toward FC multicast address.
It is added to as an example, it can be by subscription FC node corresponding to each target subscription theme to match
After multicast group, multicast address is sent to publication FC node, so that issuing FC node for transmission corresponding to issuing subject
The destination address in channel is directed toward FC multicast address, is achieved in and publication FC node is also added in multicast network.Therefore, FC is issued
Node and subscription FC node are all added in multicast network, so that can be directly based upon group in next communication transfer subject data
It broadcasts networking realization and sends data to multiple subscription FC nodes, also need not move through background system processing, accelerate efficiency of transmission.
Such as Fig. 3, shows and carry out networking group synchronous transfer using the FC-AE-ASM Data Communication in Computer Networks method of the embodiment of the present invention
Subject data subscribes to the schematic illustration of node to multiple FC.
If the quantity of S14, the response subject to match be it is single, establish unicast channel.
As shown in figure 4, the FC-AE-ASM Data Communication in Computer Networks method of one embodiment of the invention, comprising:
S41, the data communication request for being obtained from request FC node, and parse and request master included in data communication request
Topic, wherein each request theme corresponds to unique request channel.
S42, judge in response subject table with the presence or absence of quantity for multiple target response themes to match with request theme,
Wherein response subject table is used to count communicating in fiber optic network for the response FC node of response data communication request and response
Theme.
About the more details of S41-S42, it is referred to the description of other embodiments above, is not just repeated herein.
If the quantity of the target response theme in the presence of S43, response subject table be it is single, by target response theme institute
The corresponding address of node response FC is sent to request FC node, so that the FC node that calls request will request the request channel of theme
Destination address is directed toward the response address of node FC.
As an example, illustrating only one when it is single for subscribing to the target in the presence of subject heading list to subscribe to the quantity of theme
A subscription FC node has subscribed the issuing subject of publisher node, therefore can be and be sent to by that will subscribe to the address of node FC
FC node is issued, so that the destination address of the sendaisle of issuing subject can be directly directed toward by publication FC node subscribes to FC section
The address of point；Unicast association is constructed between publication FC node and subscription FC node, so that carrying out subject data biography in next time
When defeated, the mode that can be directly based upon unicast is transmitted.
In some embodiments, the address of node response FC corresponding to target response theme is being sent to request FC
After node, this method further include: be based on interchanger, receive and added from the request channel of the request theme of request FC node
The subject data of the corresponding response address of node FC, wherein interchanger in a manner of unicast for forwarding subject data right to institute
The response FC node answered.
Such as Fig. 5, show FC-AE-ASM Data Communication in Computer Networks method using the embodiment of the present invention by subject data
Unicast transmission can be by interchanger to the single schematic illustration for subscribing to FC node and realize unicast data transmission.Tool
Body, it can be based on interchanger, received from the sendaisle of the issuing subject of publication FC node and be attached with corresponding order
The subject data of the address of node FC is read, wherein the interchanger in a manner of unicast for forwarding subject data to corresponding to order
Read FC node.
Such as Fig. 6, it illustrates the signals of the process principle of the FC-AE-ASM Data Communication in Computer Networks method of the embodiment of the present invention
Figure.In embodiments of the present invention, it proposes a kind of FC signal Transmission, is able to solve distribution subscription FC-AE-ASM net
Data need to repeat the problem of sending when multiple Subscriber subscriptions same theme under network.
Specifically, it is logical to FC-AE-ASM network data mainly to use following manner in present invention method
News transmission is improved: using the multicast functionality of FC interchanger, realize the one-to-many communication under distribution subscription FC-AE-ASM,
Step 8 and step 9 in especially such as Fig. 6 realize the application and response of multicast ID between background system and interchanger.
Specifically, the method comprise the steps that
1) multicast functionality of interchanger is used in distribution subscription FC-AE-ASM network system；
2) each issuing subject of publisher only corresponds to a sendaisle；
3) when the subscriber of some theme only one when, background system is brought together successfully notifies publisher afterwards, by theme pair
The destination address of sendaisle is answered to be directed toward the address of subscriber；When communication, subject data is forwarded directly to subscribe in a manner of unicast
Side.
4) when subscriber is more than one, background system distributes a FC multicast address to interchanger and subscriber is added
Into this multicast group.Notify publisher simultaneously, with being directed toward the FC multicast by the destination address that theme corresponds to sendaisle
Location；When communication, subject data is sent to this FC multicast address, forwards the data to each section in multicast group simultaneously by interchanger
Point.
Such as Fig. 7, the frame in the FC-AE-ASM Data Communication in Computer Networks method of the practical application embodiment of the present invention is shown
Structure schematic diagram, including our company with 3 portable PC machine (analog simulation environment) and 3 embedded environment TP100 (simulations
Terminal device) between using FC group of switches multicast function realize the case where a pair of of multi-pass is interrogated under distribution subscription FC-AE-ASM agreement.
1) one issuing subject of dynamic registration on the interface IU of PCI, the entitled pic2 of theme, and data type is set as figure
Piece；
2) one subscription theme of dynamic registration, the entitled pic2 of theme on the interface IU of PC2 set data type as figure
Piece；
3) one subscription theme of dynamic registration, the entitled pic2 of theme on the interface IU of PC3 set data type as figure
Piece；
4) under the debug command row of TP100_1 use one subscription theme of order dynamic registration, the entitled pic2 of theme, and with
The reception task of cycle data is bound (period receives the data length received when task receives every time)；
5) under the debug command row of TP100_2 use one subscription theme of order dynamic registration, the entitled pic2 of theme, and with
The reception task of cycle data is bound (period receives the data length received when task receives every time)；
6) as shown in figure 8, using the simulated effect figure that the data of the embodiment of the present invention are transmitted, PC2, the IU on PC3 are observed
Interface sends the picture shown on interface and is consistent with the picture on reception interface.Observe TP100_1, TP100_2 and
Serial ports on TP100_3 shows that the mechanical periodicity in reception task is consistent with picture change frequency on other PC, and length is with picture
Length is identical.
As shown in figure 9, the FC-AE-ASM Data Communication in Computer Networks system 60 of one embodiment of the invention, comprising: request theme solution
Unit 601 is analysed, for being obtained from the data communication request of request FC node, and is parsed included in the data communication request
Theme is requested, wherein each request theme corresponds to unique request channel；Matching judgment unit 602, for judging response master
The target response themes to match in topic table with the presence or absence of quantity for the multiple and described request theme, wherein the response subject table
For counting the response FC node and response subject for being used to respond the data communication request in fiber optic network；Multicast is established single
Member 603 then distributes FC multicast address to interchanger to establish multicast group for if it exists, and by each mesh to match
Response FC node corresponding to mark response subject is added in the multicast group, wherein the interchanger is used to lead the request
The corresponding subject data of topic synchronizes each response FC node being transmitted in the multicast group.
In some embodiments, the system 60 further include: requesting node multicast unit 604, for by the multicast
Location is sent to the request FC node, so that the request FC node is by the mesh of request channel corresponding to the issuing subject
It marks address and is directed toward the FC multicast address.
In some embodiments, system 60 further include: unicast communicates associative cell 605, if being used for response subject table
In the presence of the target response theme quantity be it is single, then by response FC node corresponding to the target response theme
Address be sent to the request FC node so that it is described request FC node by it is described request theme request channel target
It is directed toward the address of node response FC in address.
The more details of FC-AE-ASM Data Communication in Computer Networks system 60 about the embodiment of the present invention are referred to close above
In the description of the details of FC-AE-ASM Data Communication in Computer Networks embodiment of the method, and the FC- with embodiments above can be obtained
AE-ASM Data Communication in Computer Networks method is identical or corresponding technical effect, therefore does not just repeat herein.
The optional embodiment of the embodiment of the present invention is described in detail in conjunction with attached drawing above, still, the embodiment of the present invention is simultaneously
The detail being not limited in above embodiment can be to of the invention real in the range of the technology design of the embodiment of the present invention
The technical solution for applying example carries out a variety of simple variants, these simple variants belong to the protection scope of the embodiment of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the embodiment of the present invention pair
No further explanation will be given for various combinations of possible ways.
It will be appreciated by those skilled in the art that implementing the method for the above embodiments is that can pass through
Program is completed to instruct relevant hardware, which is stored in a storage medium, including some instructions are used so that single
Piece machine, chip or processor (processor) execute all or part of the steps of each embodiment the method for the application.And it is preceding
The storage medium stated includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), magnetic or disk.
In addition, any combination can also be carried out between a variety of different embodiments of the embodiment of the present invention, as long as it is not
The thought of the embodiment of the present invention is violated, equally should be considered as disclosure of that of the embodiment of the present invention.
Claims (10)
1. a kind of FC-AE-ASM Data Communication in Computer Networks method, comprising:
It is obtained from the data communication request of request FC node, and parses and requests theme included in the data communication request,
Wherein each request theme corresponds to unique request channel；
Judge in response subject table with the presence or absence of quantity for multiple target response themes to match with the request theme, wherein
The response subject table is used to count the response FC node for being used to respond the data communication request and response in fiber optic network
Communicate theme；
If it exists, then FC multicast address is distributed to establish multicast group to interchanger, and by each target response to match
Response FC node corresponding to theme is added in the multicast group, wherein the interchanger is for right by the request theme institute
The subject data answered synchronizes each response FC node being transmitted in the multicast group.
2. according to the method described in claim 1, wherein, the request FC node is publication FC node, the correspondingly response
Subject heading list is to subscribe to subject heading list, and the response FC node is to subscribe to FC node.
3. according to the method described in claim 1, wherein, the request FC node is to subscribe to FC node, the correspondingly response
Subject heading list is issuing subject table, and the response FC node is publication FC node.
4. according to the method described in claim 1, wherein, it is described will be corresponding to each target response theme to match
Response FC node, which is added in the multicast group, includes:
The address of node response FC corresponding to each target response theme to match is associated with to the FC multicast
Address, to add it to the multicast group.
5. according to the method described in claim 1, wherein, by sound corresponding to each target response theme to match
After answering FC node to be added in the multicast group, this method further include:
The multicast address is sent to the request FC node, so that the request FC node is right by the request theme institute
The destination address for the request channel answered is directed toward the FC multicast address.
6. according to the method described in claim 1, wherein, in judging response subject table with the presence or absence of quantity for it is multiple with it is described
After the target response theme that request theme matches, this method further include:
If the quantity of the target response theme in the presence of response subject table be it is single, by the target response theme institute
The corresponding address of node response FC is sent to the request FC node, so that the request FC node is by the request theme
The destination address of request channel be directed toward the address of node response FC.
7. according to the method described in claim 6, wherein, the ground of FC node will be being responded corresponding to the target response theme
Location is sent to after the request FC node, this method further include:
Based on interchanger, received from the request channel of the request theme of the request FC node be attached with it is described corresponding
The subject data of the address of node FC is responded, wherein the interchanger in a manner of unicast for forwarding the subject data to institute
State corresponding response FC node.
8. a kind of FC-AE-ASM Data Communication in Computer Networks system, comprising:
Theme resolution unit is requested, for being obtained from the data communication request of request FC node, and the data communication is parsed and asks
Theme is requested included in asking, wherein each request theme corresponds to unique request channel；
Matching judgment unit matches with the presence or absence of quantity is multiple with the request theme in response subject table for judging
Target response theme, wherein the response subject table, which is used to count in fiber optic network, is used to respond what the data communication was requested
Respond FC node and response subject；
Multicast establishes unit, for if it exists, then distributing FC multicast address to interchanger to establish multicast group, and will be each described
Response FC node corresponding to the target response theme to match is added in the multicast group, wherein the interchanger is used to incite somebody to action
Subject data corresponding to the request theme synchronizes each response FC node being transmitted in the multicast group.
9. system according to claim 8, wherein the system further include:
Requesting node multicast unit, for the multicast address to be sent to the request FC node, so that the request FC
The destination address of request channel corresponding to the issuing subject is directed toward the FC multicast address by node.
10. system according to claim 8, wherein the system further include:
Unicast communicate associative cell, if the quantity for the target response theme in the presence of response subject table be it is single,
The address of node response FC corresponding to the target response theme is then sent to the request FC node, so that described ask
Ask FC node that the destination address of the request channel of the request theme is directed toward the address of node response FC.
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| CN111181678A (en) * | 2019-12-20 | 2020-05-19 | 上海赛治信息技术有限公司 | Time synchronization method applied to time-triggered FC network |
| CN111683075A (en) * | 2020-06-01 | 2020-09-18 | 沈阳航盛科技有限责任公司 | Data encryption algorithm based on FC-AE-ASM protocol communication |
| CN111865625A (en) * | 2020-07-17 | 2020-10-30 | 大连飞创信息技术有限公司 | Reliable multicast software implementation method |
| CN114025005A (en) * | 2021-09-30 | 2022-02-08 | 山东云海国创云计算装备产业创新中心有限公司 | Data communication method, system, electronic equipment and storage medium |
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