CN208707642U - A kind of multiple spot concurrent communication system based on plastic optical fiber - Google Patents
A kind of multiple spot concurrent communication system based on plastic optical fiber Download PDFInfo
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- CN208707642U CN208707642U CN201821743720.7U CN201821743720U CN208707642U CN 208707642 U CN208707642 U CN 208707642U CN 201821743720 U CN201821743720 U CN 201821743720U CN 208707642 U CN208707642 U CN 208707642U
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Abstract
The multiple spot concurrent communication system based on plastic optical fiber that this application discloses a kind of a, comprising: host node, multiple gateway nodes and multiple from node；Wherein, a host node connect to form the first ring by plastic optical fiber with multiple gateway nodes；Each gateway node connect to form the second ring by plastic optical fiber with multiple from node.Since the application forms first ring and multiple second rings, after host node forwards communication request from node to some by gateway node, it can be not required to etc. to receive the response from node, it continues through gateway node and forwards communication request from node to next, this multiple spot concurrent communication mechanism improves communication bandwidth utilization rate.
Description
Technical field
The utility model relates to fields of communication technology, more particularly to a kind of multiple spot concurrent communication system based on plastic optical fiber
System.
Background technique
Currently, polymer optical fiber communication network in multi-point environment, carries out down again after the completion usually using a communication
The mechanism of one communication, so that communication bandwidth utilization rate is not high.
Therefore, how to solve the problems, such as that polymer optical fiber communication network communication broadband utilization rate is not high, be those skilled in the art
Member's technical problem urgently to be resolved.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of multiple spot concurrent communication system based on plastic optical fiber,
Communication bandwidth utilization rate can be improved.Its concrete scheme is as follows:
A kind of multiple spot concurrent communication system based on plastic optical fiber a, comprising: host node, multiple gateway nodes and multiple
From node；Wherein,
One host node connect to form the first ring by plastic optical fiber with multiple gateway nodes；
Each gateway node described connect to form the second ring by plastic optical fiber with multiple from node.
Preferably, in the above-mentioned multiple spot concurrent communication system based on plastic optical fiber provided by the embodiment of the utility model,
Each acknowledgement frame is passed with the described second circumferential first loopback at the time of described first circumferential second ring transmits each claim frame
At the time of be independent of each other.
Preferably, in the above-mentioned multiple spot concurrent communication system based on plastic optical fiber provided by the embodiment of the utility model,
The described first circumferential second ring transmitting is the claim frame for setting quantity, and the described second circumferential first loopback passes
Be set quantity with the claim frame acknowledgement frame correspondingly, and the claim frame and corresponding described answer
Answer frame frame number having the same.
Preferably, in the above-mentioned multiple spot concurrent communication system based on plastic optical fiber provided by the embodiment of the utility model,
Preferably, in the above-mentioned multiple spot concurrent communication system based on plastic optical fiber provided by the embodiment of the utility model,
Further include:
Concentrator is connect with the host node, for sending the task of setting quantity to the host node.
Preferably, in the above-mentioned multiple spot concurrent communication system based on plastic optical fiber provided by the embodiment of the utility model,
When the task is meter reading task, the claim frame includes meter reading request command, and the acknowledgement frame includes meter reading reply data.
Preferably, in the above-mentioned multiple spot concurrent communication system based on plastic optical fiber provided by the embodiment of the utility model,
First ring is twin nuclei；The information transfer directions of two rings are opposite in the twin nuclei.
Preferably, in the above-mentioned multiple spot concurrent communication system based on plastic optical fiber provided by the embodiment of the utility model,
Second ring is single ring architecture；The information transfer directions of second ring are two-way.
A kind of multiple spot concurrent communication system based on plastic optical fiber provided by the utility model, comprising: a host node,
Multiple gateway nodes and multiple from node；Wherein, a host node connect to form by plastic optical fiber with multiple gateway nodes
One ring；Each gateway node connect to form the second ring by plastic optical fiber with multiple from node.Since the utility model forms
One the first ring and multiple second rings can not after host node forwards communication request from node to some by gateway node
Need etc. receive the response from node, continue through gateway node to next and forward communication request from node, this multiple spot is simultaneously
Hair communication mechanism improves communication bandwidth utilization rate.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the network model of the multiple spot concurrent communication system provided by the embodiment of the utility model based on plastic optical fiber
Figure；
Fig. 2 is the specific network mould of the multiple spot concurrent communication system provided by the embodiment of the utility model based on plastic optical fiber
Type figure；
Fig. 3 is single task meter reading in the multiple spot concurrent communication system provided by the embodiment of the utility model based on plastic optical fiber
Flow chart；
Fig. 4 is Multi-task Concurrency in the multiple spot concurrent communication system provided by the embodiment of the utility model based on plastic optical fiber
Meter reading flow chart.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of multiple spot concurrent communication system based on plastic optical fiber, as shown in Figure 1, comprising: one
Host node, multiple gateway nodes and multiple from node；Wherein,
One host node connect to form the first ring by plastic optical fiber with multiple gateway nodes；
Each gateway node connect to form the second ring by plastic optical fiber with multiple from node.
It should be noted that host node is responsible for completing the functions such as networking control, network operation management, it is asking for communication service
The side of asking；Gateway node is responsible for constructing polymer optical fiber communication network branches, is the transmitting side of communication service；It is responsible for building modeling from node
The frontier node for expecting Networks of Fiber Communications, is the answer party of communication service.
In the above-mentioned multiple spot concurrent communication system based on plastic optical fiber provided by the embodiment of the utility model, a main section
Point connect to form the first ring by plastic optical fiber with multiple gateway nodes；Each gateway node passes through plastic light from node with multiple
Fibre connection forms the second ring；Known to the first ring have one, and the second ring have it is multiple, i.e., multiple spot concurrent communication system formed
Network is made of multiple looped networks, and the flow direction of communication data is to initiate to lead to some from node from host node along the direction of ring
It should be to continue transmission along loop from the response of node after letter request.When host node initiates communication request to some from node
Afterwards, it is not required to etc. to receive the response from node, can continue to initiate communication request from node to next, i.e., request and response can
To take asynchronous mechanism, communication bandwidth utilization rate is improved.
In the specific implementation, in the above-mentioned multiple spot concurrent communication system based on plastic optical fiber provided by the embodiment of the utility model
In system, as shown in Figure 1, the first ring can be twin nuclei；The information transfer directions of two rings are opposite in twin nuclei, i.e.,
First ring can form one-way transmission, contrary one main one for bicyclic communication network.In addition, the second ring can be monocycle knot
Structure；The information transfer directions of second ring be it is two-way, i.e. the second ring can by single fiber bi-directional transmission technology, improve signal transmission
The stability of ability and system.
In the specific implementation, in the above-mentioned multiple spot concurrent communication system based on plastic optical fiber provided by the embodiment of the utility model
Mutual not shadow at the time of passing with the second circumferential first loopback each acknowledgement frame in system, at the time of the first circumferential second ring transmits each claim frame
It rings, further increases communication bandwidth utilization rate.
The utility model devises a set of communication protocol to solve the matching problem of request and response, and communication protocol frame includes
Source node address, destination node address and frame number, as shown in Fig. 2, the first circumferential second ring transmitting is setting quantity
Claim frame (such as A1 communication request, A2 communication request, B1 communication request, B2 communication request), the second circumferential first loopback biography are
Setting quantity is answered correspondingly with claim frame (such as A1 communication request, A2 communication request, B1 communication request, B2 communication request)
It answers frame (such as A1 communicates response, A2 communication response, B1 communication response, B2 communication response), and claim frame and corresponding response
Frame frame number having the same (such as A1, A2, B1, B2).After host node receives acknowledgement frame, found by the matching to frame number
Corresponding claim frame, to complete the communication service from node.
In the specific implementation, in the above-mentioned multiple spot concurrent communication system based on plastic optical fiber provided by the embodiment of the utility model
In system, it can also include: concentrator, be connect with host node, for sending the task of setting quantity to host node.Specifically, when
When task is meter reading task, claim frame includes meter reading request command, and acknowledgement frame includes meter reading reply data.
By taking single task as an example, as shown in figure 3, concentrator issues one " copy reading from node 1 " meter reading task to host node；
Host node receives the meter reading task, parse meter reading request command and by the request command by gateway node for transmitting to specified
Slave node, " copy reading from node 1 " task is forwarded to from node 1 by host node；After copy reading task is received from node 1, processing
Task carries out copy reading to ammeter；After the completion of the processing of 1 task of node, the data of copy reading are returned into host node；Host node receives
Response concentrator meter reading task after the data of copy reading；Concentrator issues the meter reading task of " copy reading from node 2 " to host node；Main section
Point receives the meter reading task, and " copy reading from node 2 " task is forwarded to from node 2 by host node；Copy reading is received from node 2 to appoint
After business, task is handled, copy reading is carried out to ammeter；After the completion of the processing of 2 task of node, the data of copy reading are returned into host node；It is main
Node receives response concentrator meter reading task after the data of copy reading；It is other similar from node " meter reading task ".
By taking multitask as an example, as shown in figure 4, concentrator sends " number of tasks can be added by obtaining residue " order to host node；
After host node receives " number of tasks can be added by obtaining residue " order, number of tasks can be added by replying residue；Concentrator gets surplus
It is remaining add number of tasks after, send out meter reading task multiple, meter reading task number, which depends on residue, can add number of tasks, in Fig. 4 with
10 task signals (task 1 to task 10) are issued simultaneously；After each receiving copy reading task from node, respectively handle respective
Task, after the completion of processing, by copy reading data back to host node；After host node receives copy reading reply data, parsing is received
Frame number matched with the frame number for issuing " communication task list ", if match update copy reading data.
To sum up, a kind of multiple spot concurrent communication system based on plastic optical fiber provided by the embodiment of the utility model, comprising: one
A host node, multiple gateway nodes and multiple from node；Wherein, a host node and multiple gateway nodes are connected by plastic optical fiber
It connects to form the first ring；Each gateway node connect to form the second ring by plastic optical fiber with multiple from node.Since this is practical new
Type forms first ring and multiple second rings, when host node forwards communication request to some from node by gateway node
Afterwards, it can be not required to etc. to receive the response from node, continue through gateway node to next and forward communication request from node, this
Kind multiple spot concurrent communication mechanism improves communication bandwidth utilization rate.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
The multiple spot concurrent communication system to provided by the utility model based on plastic optical fiber is described in detail above,
Specific case used herein is expounded the principles of the present invention and embodiment, and the explanation of above embodiments is only
It is the method and its core concept for being used to help understand the utility model；At the same time, for those skilled in the art, foundation
The thought of the utility model, there will be changes in the specific implementation manner and application range, in conclusion in this specification
Appearance should not be construed as a limitation of the present invention.
Claims (7)
1. a kind of multiple spot concurrent communication system based on plastic optical fiber characterized by comprising a host node, multiple gateways
Node and multiple from node；Wherein,
One host node connect to form the first ring by plastic optical fiber with multiple gateway nodes；
Each gateway node described connect to form the second ring by plastic optical fiber with multiple from node.
2. the multiple spot concurrent communication system according to claim 1 based on plastic optical fiber, which is characterized in that first ring
At the time of passing with the described second circumferential first loopback each acknowledgement frame at the time of transmitting each claim frame to second ring mutually not
It influences.
3. the multiple spot concurrent communication system according to claim 2 based on plastic optical fiber, which is characterized in that first ring
What is transmitted to second ring is the claim frame for setting quantity, and what the described second circumferential first loopback passed is setting number
Amount with the claim frame acknowledgement frame correspondingly, and the claim frame and the corresponding acknowledgement frame have phase
Same frame number.
4. the multiple spot concurrent communication system according to claim 3 based on plastic optical fiber, which is characterized in that further include:
Concentrator is connect with the host node, for sending the task of setting quantity to the host node.
5. the multiple spot concurrent communication system according to claim 4 based on plastic optical fiber, which is characterized in that when the task
When for meter reading task, the claim frame includes meter reading request command, and the acknowledgement frame includes meter reading reply data.
6. the multiple spot concurrent communication system according to any one of claims 1 to 5 based on plastic optical fiber, which is characterized in that
First ring is twin nuclei；The information transfer directions of two rings are opposite in the twin nuclei.
7. the multiple spot concurrent communication system according to any one of claims 1 to 5 based on plastic optical fiber, which is characterized in that
Second ring is single ring architecture；The information transfer directions of second ring are two-way.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821743720.7U CN208707642U (en) | 2018-10-25 | 2018-10-25 | A kind of multiple spot concurrent communication system based on plastic optical fiber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821743720.7U CN208707642U (en) | 2018-10-25 | 2018-10-25 | A kind of multiple spot concurrent communication system based on plastic optical fiber |
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| CN208707642U true CN208707642U (en) | 2019-04-05 |
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