CN112235793A - Multi-service access network system and control method thereof - Google Patents

Multi-service access network system and control method thereof Download PDF

Info

Publication number
CN112235793A
CN112235793A CN202011112706.9A CN202011112706A CN112235793A CN 112235793 A CN112235793 A CN 112235793A CN 202011112706 A CN202011112706 A CN 202011112706A CN 112235793 A CN112235793 A CN 112235793A
Authority
CN
China
Prior art keywords
data
service
backbone
sending
node
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011112706.9A
Other languages
Chinese (zh)
Inventor
王锷
王开勋
孙良忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Tianhua Zhongan Communication Technology Co ltd
Original Assignee
Nanjing Tianhua Zhongan Communication Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Tianhua Zhongan Communication Technology Co ltd filed Critical Nanjing Tianhua Zhongan Communication Technology Co ltd
Priority to CN202011112706.9A priority Critical patent/CN112235793A/en
Publication of CN112235793A publication Critical patent/CN112235793A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/10Flow control between communication endpoints
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/0289Congestion control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/06Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H04W28/065Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information using assembly or disassembly of packets
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/56Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention discloses a multi-service access network system, which comprises a service distribution module, a service processing module and a service processing module, wherein the service distribution module is used for preprocessing and sending service data to be sent; a main transmitting channel, which is connected with the service distribution module in a communication way and is used for transmitting the high-priority service data; the plurality of auxiliary sending channels are in communication connection with the service distribution module and used for sending low-priority service data; the main sending channel and the auxiliary sending channel are respectively provided with a plurality of backbone nodes and a plurality of edge nodes, different backbone nodes in the main sending channel are independently arranged, each backbone node is in communication connection with the plurality of edge nodes, backbone nodes in the auxiliary sending signal are in mesh connection, and each edge node is in communication connection with at least two backbone nodes; and the service checking module is used for receiving the service data and checking the service data. The invention can improve the defects of the prior art and improve the flexibility and the stability of the multi-service transmission network.

Description

Multi-service access network system and control method thereof
Technical Field
The invention relates to the technical field of communication transmission network access and network control management, in particular to a multi-service access network system and a control method thereof.
Background
The current multi-service transmission network is mainly divided into a convergence network and an access network. A user accesses a network through an access network; the multicast server is accessed through the convergence network. The existing multi-service transmission network has the problems of poor flexibility and low stability.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a multi-service access network system and a control method thereof, which can solve the defects of the prior art and improve the flexibility and stability of a multi-service transmission network.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
A multi-service access network system, comprising,
the service distribution module is used for preprocessing and transmitting the service data to be transmitted;
a main transmitting channel, which is connected with the service distribution module in a communication way and is used for transmitting the high-priority service data;
the plurality of auxiliary sending channels are in communication connection with the service distribution module and used for sending low-priority service data;
the main sending channel and the auxiliary sending channel are respectively provided with a plurality of backbone nodes and a plurality of edge nodes, the main sending channel and the auxiliary sending channel are in communication connection through the edge nodes and are used for temporary storage and forwarding of service data, different backbone nodes in the main sending channel are independently arranged, each backbone node is in communication connection with the edge nodes, the backbone nodes in the auxiliary sending signal are in mesh connection, and each edge node is in communication connection with at least two backbone nodes;
and the service checking module is used for receiving the service data and checking the service data.
A method for controlling the above multi-service access network system includes the following steps:
A. the service distribution module packages service data to be sent and sends the service data according to the priority level of the data;
B. the method comprises the steps that packaged data are sent through a main sending channel preferentially, when the packaged data are sent through the main sending channel, each backbone node in the main sending channel is set to be a uniform delay parameter, each packaged data is in communication connection with a service check module through a unique backbone node, when the service flow of the backbone nodes in the main sending channel exceeds an early warning threshold value, edge nodes in communication connection with the backbone nodes are activated, the service flow is buffered and shunted through the communication connection of the edge nodes and the service check module, and when the service flow of the corresponding backbone nodes still exceeds the early warning threshold value after the edge nodes are activated, the service data are sent to an auxiliary sending channel through the edge nodes to be distributed;
C. when the total traffic flow of the main sending channel reaches the design upper limit, the auxiliary sending channel is started to shunt the traffic flow, when the encapsulated data is sent through the auxiliary sending channel, the encapsulated data is circularly transmitted among different backbone nodes in the auxiliary sending signal, and the service checking module selects the edge nodes in the idle state in the auxiliary sending signal to receive the data;
D. and the service checking module checks and recombines the received encapsulated data.
Preferably, in the step a, encapsulating the service data to be transmitted includes a step a1 of grouping the service data to be transmitted according to a destination IP;
a2, adding a check data bit, a data priority data bit, a transmission intermediate IP data bit and an encryption bit into each group of data;
and A3, encrypting the data of the check data by using the encrypted data and then integrally packaging the same group of data.
Preferably, in step B, the edge node in the primary transmission channel copies and stores the data distributed to the secondary transmission channel through the edge node, and when the edge node or its corresponding backbone node is in an idle state, the edge node retransmits the stored data in the primary transmission channel.
Preferably, in step C, in the cyclic transfer process of the encapsulated data, every time a backbone node passes through, recording is performed in the transmission intermediate IP data bit, and then the next transmission destination of the encapsulated data is selected in combination with the traffic flow real-time states of all backbone nodes.
Preferably, the step D of verifying and reconstructing the encapsulated data includes the steps of D1 of decrypting the data of the check data bits;
d2, acquiring corresponding check data on each path node according to the data transmission path for transmitting the intermediate IP data bit record, and comparing the check data with the decrypted check data bit data;
d3, if the comparison is successful, recombining the packaged data, and finishing the process; otherwise go to step D4;
d4, retransmitting and receiving the encapsulated data, and re-encapsulating the data before retransmitting, wherein the IP path retransmitted does not completely accord with the previous IP path.
Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: the invention improves the flexibility of the whole transmission network to different data flow adaptability, improves the utilization rate of the transmission channel, avoids data blockage, reduces the data transmission tie delay and achieves the aim of improving the overall stability of the transmission network by reasonably configuring the data transmission flow of the main transmission channel and the auxiliary transmission channel.
Drawings
FIG. 1 is a schematic diagram of one embodiment of the present invention.
In the figure: 1. a service distribution module; 2. a primary transmission channel; 3. a secondary transmission channel; 4. a backbone node; 5. an edge node; 6. and a service checking module.
Detailed Description
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.
Referring to fig. 1, one embodiment of the present invention includes,
the service distribution module 1 is used for preprocessing and sending service data to be sent;
a main transmitting channel 2, which is connected with the service distribution module 1 in a communication way and is used for transmitting high-priority service data;
the auxiliary sending channels 3 are in communication connection with the service distribution module 1 and are used for sending low-priority service data;
the main sending channel 2 and the auxiliary sending channel 3 are respectively provided with a plurality of backbone nodes 4 and a plurality of edge nodes 5, the main sending channel 2 and the auxiliary sending channel 3 are in communication connection through the plurality of edge nodes 5 and are used for temporary storage and forwarding of service data, different backbone nodes 4 in the main sending channel 2 are independently arranged, each backbone node 4 is in communication connection with the plurality of edge nodes, the backbone nodes 4 in the auxiliary sending signal 3 are in mesh connection, and each edge node 5 is in communication connection with at least two backbone nodes 4;
and the service checking module 6 is used for receiving the service data and checking the service data.
A control method of the multi-service access network system comprises the following steps:
A. the service distribution module 1 encapsulates the service data to be sent and sends the service data according to the priority level of the data;
B. the method comprises the steps that packaged data are preferentially sent through a main sending channel 2, when the packaged data are sent through the main sending channel 2, each backbone node 4 in the main sending channel 2 is set to be a uniform delay parameter, each packaged data is in communication connection with a service verification module 6 through a unique backbone node 4, when the service flow of the backbone node 4 in the main sending channel 2 exceeds an early warning threshold value, an edge node 5 in communication connection with the backbone node 4 is activated, the service flow is buffered and shunted through the communication connection between the edge node 5 and the service verification module 6, and when the service flow of the corresponding backbone node 4 still exceeds the early warning threshold value after the edge node 5 is activated, the service data are sent to an auxiliary sending channel 3 through the edge node 5 to be distributed;
C. when the total traffic flow of the main sending channel 2 reaches the design upper limit, the auxiliary sending channel 3 is started to shunt the traffic flow, when the encapsulated data is sent through the auxiliary sending channel 3, the encapsulated data is circularly transmitted among different backbone nodes 4 in the auxiliary sending signal 3, and the service checking module 6 selects the edge node 5 in the idle state in the auxiliary sending signal 3 to receive the data;
D. and the service checking module 6 checks and recombines the received encapsulated data.
In step a, encapsulating the service data to be transmitted includes the following steps,
a1, grouping the service data to be sent according to the destination IP;
a2, adding a check data bit, a data priority data bit, a transmission intermediate IP data bit and an encryption bit into each group of data;
and A3, encrypting the data of the check data by using the encrypted data and then integrally packaging the same group of data.
In step B, the edge node 5 in the primary transmission channel 2 copies and stores the data distributed to the secondary transmission channel 3 through the edge node, and when the edge node 5 or the backbone node 4 corresponding to the edge node is in an idle state, the edge node 5 retransmits the stored data in the primary transmission channel 2.
In step C, in the cyclic transmission process of the encapsulated data, every time a backbone node 4 passes through, recording is performed in the transmission intermediate IP data bit, and then the next transmission target of the encapsulated data is selected in combination with the traffic flow real-time states of all backbone nodes 4.
Specifically, three backbone nodes 4 which pass through most recently are removed, then the rest of the backbone nodes 4 are sorted according to the magnitude of the traffic flow in an ascending order, the backbone nodes 4 which are directly connected with the last backbone node 4 which passes through are extracted, the backbone nodes 4 which are directly connected with the extracted backbone nodes 4 are extracted, all the transmission links of all the extracted backbone nodes 4 are arranged, the traffic total flow of all the backbone nodes 4 on the transmission link and the variance of the traffic flow of different backbone nodes 4 on the transmission link are calculated, the traffic total flow and the variance are normalized to obtain the traffic flow weight and the variance weight, the two weights are added to obtain the total weight, and the first backbone node 4 on the transmission link with the smallest total weight is selected as the next sending target.
In step D, the verification and reassembly of the encapsulated data includes the following steps,
d1, decrypting the data of the check data bits;
d2, acquiring corresponding check data on each path node according to the data transmission path for transmitting the intermediate IP data bit record, and comparing the check data with the decrypted check data bit data;
d3, if the comparison is successful, recombining the packaged data, and finishing the process; otherwise go to step D4;
d4, retransmitting and receiving the encapsulated data, and re-encapsulating the data before retransmitting, wherein the IP path retransmitted does not completely accord with the previous IP path.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A multi-service access network system, characterized by: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the service distribution module (1) is used for preprocessing and sending the service data to be sent;
a main transmission channel (2) which is in communication connection with the service distribution module (1) and is used for transmitting high-priority service data;
the auxiliary sending channels (3) are in communication connection with the service distribution module (1) and are used for sending low-priority service data;
the main sending channel (2) and the auxiliary sending channel (3) are respectively provided with a plurality of backbone nodes (4) and a plurality of edge nodes (5), the main sending channel (2) and the auxiliary sending channel (3) are in communication connection through the plurality of edge nodes (5) and are used for temporary storage and forwarding of service data, different backbone nodes (4) in the main sending channel (2) are independently arranged, each backbone node (4) is in communication connection with the plurality of edge nodes, the backbone nodes (4) in the auxiliary sending signal (3) are in mesh connection, and each edge node (5) is in communication connection with at least two backbone nodes (4);
and the service checking module (6) is used for receiving the service data and checking the service data.
2. A method for controlling a multi-service access network system according to claim 1, comprising the steps of:
A. the service distribution module (1) encapsulates the service data to be sent and sends the service data according to the priority level of the data;
B. when the encapsulated data is transmitted preferentially through the main transmission channel (2) and the encapsulated data is transmitted through the main transmission channel (2), each backbone node (4) in the main sending channel (2) is set as a uniform time delay parameter, each encapsulated data is in communication connection with a service checking module (6) through the unique backbone node (4), when the traffic flow of the backbone node (4) in the main transmission channel (2) exceeds the early warning threshold, activating the edge node (5) which is in communication connection with the backbone node (4), the service flow is buffered and shunted through the communication connection of the edge node (5) and the service checking module (6), when the service flow of the corresponding backbone node (4) still exceeds the early warning threshold value after the edge node (5) is activated, sending the service data to the auxiliary sending channel (3) through the edge node (5) for distribution;
C. when the total traffic flow of the main sending channel (2) reaches the design upper limit, the auxiliary sending channel (3) is started to shunt the traffic flow, when encapsulated data is sent through the auxiliary sending channel (3), the encapsulated data is circularly transmitted among different backbone nodes (4) in the auxiliary sending signal (3), and the service checking module (6) selects the edge node (5) in the idle state in the auxiliary sending signal (3) to receive the data;
D. and the service checking module (6) checks and recombines the received encapsulated data.
3. The method for controlling a multiservice access network system according to claim 2, wherein: in step a, encapsulating the service data to be transmitted includes the following steps,
a1, grouping the service data to be sent according to the destination IP;
a2, adding a check data bit, a data priority data bit, a transmission intermediate IP data bit and an encryption bit into each group of data;
and A3, encrypting the data of the check data by using the encrypted data and then integrally packaging the same group of data.
4. The method for controlling a multiservice access network system according to claim 3, wherein: in the step B, the edge node (5) in the main transmission channel (2) copies and stores the data distributed to the secondary transmission channel (3) through the edge node, and when the edge node (5) or the corresponding backbone node (4) is in an idle state, the edge node (5) retransmits the stored data in the main transmission channel (2).
5. The method for controlling a multiservice access network system according to claim 4, wherein: and step C, recording in the middle IP data transmission position every time when the encapsulated data passes through one backbone node (4) in the cyclic transmission process of the encapsulated data, and then selecting the next sending target of the encapsulated data by combining the real-time states of the service flow of all the backbone nodes (4).
6. The method for controlling a multiservice access network system according to claim 5, wherein: in step D, the verification and reassembly of the encapsulated data includes the following steps,
d1, decrypting the data of the check data bits;
d2, acquiring corresponding check data on each path node according to the data transmission path for transmitting the intermediate IP data bit record, and comparing the check data with the decrypted check data bit data;
d3, if the comparison is successful, recombining the packaged data, and finishing the process; otherwise go to step D4;
d4, retransmitting and receiving the encapsulated data, and re-encapsulating the data before retransmitting, wherein the IP path retransmitted does not completely accord with the previous IP path.
CN202011112706.9A 2020-10-16 2020-10-16 Multi-service access network system and control method thereof Pending CN112235793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011112706.9A CN112235793A (en) 2020-10-16 2020-10-16 Multi-service access network system and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011112706.9A CN112235793A (en) 2020-10-16 2020-10-16 Multi-service access network system and control method thereof

Publications (1)

Publication Number Publication Date
CN112235793A true CN112235793A (en) 2021-01-15

Family

ID=74118618

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011112706.9A Pending CN112235793A (en) 2020-10-16 2020-10-16 Multi-service access network system and control method thereof

Country Status (1)

Country Link
CN (1) CN112235793A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113329038A (en) * 2021-08-03 2021-08-31 南京天华中安通信技术有限公司 Key digital asset protection method and device, electronic equipment and storage medium

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002017320A1 (en) * 2000-08-22 2002-02-28 Koninklijke Philips Electronics N.V. Method of storing or decoding a stream of bits
WO2005015795A1 (en) * 2003-08-05 2005-02-17 Telecom Italia S.P.A. Method for providing extra-traffic paths with connection protection in a communication network, related network and computer program product therefor
CN101291279A (en) * 2007-04-18 2008-10-22 华为技术有限公司 Service data scheduling method and device in high-speed downlink packet access
CN102323897A (en) * 2011-05-12 2012-01-18 中山爱科数字科技有限公司 Method for internal business processing and load balancing for platform
CN102377782A (en) * 2011-10-25 2012-03-14 成都飞机工业(集团)有限责任公司 Multi-path data fusion method used for aerial remote reconnaissance system
FR2968151A1 (en) * 2010-11-30 2012-06-01 Sagemcom Energy & Telecom Sas Communication device, has management device including demultiplexer for receiving arbitration decision regarding selected query and transmitting decision to secondary communication modules
KR20140013379A (en) * 2012-07-23 2014-02-05 고려대학교 산학협력단 Apparatus and method for changing channel in wireless mesh network
CN111355801A (en) * 2020-03-03 2020-06-30 袁爱民 Remote artificial intelligence communication service handling system and control method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002017320A1 (en) * 2000-08-22 2002-02-28 Koninklijke Philips Electronics N.V. Method of storing or decoding a stream of bits
WO2005015795A1 (en) * 2003-08-05 2005-02-17 Telecom Italia S.P.A. Method for providing extra-traffic paths with connection protection in a communication network, related network and computer program product therefor
CN101291279A (en) * 2007-04-18 2008-10-22 华为技术有限公司 Service data scheduling method and device in high-speed downlink packet access
FR2968151A1 (en) * 2010-11-30 2012-06-01 Sagemcom Energy & Telecom Sas Communication device, has management device including demultiplexer for receiving arbitration decision regarding selected query and transmitting decision to secondary communication modules
CN102323897A (en) * 2011-05-12 2012-01-18 中山爱科数字科技有限公司 Method for internal business processing and load balancing for platform
CN102377782A (en) * 2011-10-25 2012-03-14 成都飞机工业(集团)有限责任公司 Multi-path data fusion method used for aerial remote reconnaissance system
KR20140013379A (en) * 2012-07-23 2014-02-05 고려대학교 산학협력단 Apparatus and method for changing channel in wireless mesh network
CN111355801A (en) * 2020-03-03 2020-06-30 袁爱民 Remote artificial intelligence communication service handling system and control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113329038A (en) * 2021-08-03 2021-08-31 南京天华中安通信技术有限公司 Key digital asset protection method and device, electronic equipment and storage medium
CN113329038B (en) * 2021-08-03 2021-10-19 南京天华中安通信技术有限公司 Key digital asset protection method and device, electronic equipment and storage medium

Similar Documents

Publication Publication Date Title
CN101877672B (en) System and method for retransmitting packets over a network of communication channels
US7031309B1 (en) User data protocol for internet data communications
DE60109689T2 (en) Method and protocol for adapting each individual connection in a multi-node network to a maximum data rate
US8009569B2 (en) System and a method for maintaining quality of service through a congested network
US9654419B2 (en) Fabric channel control apparatus and method
CN104040932B (en) A kind of network communication redundancy approach
CN101399811B (en) Multi-channel data transmitting/receiving and transmission control method, corresponding device
US20080310414A1 (en) Retransmission of broadcast and multicast traffic over a shared medium
CN106850188A (en) A kind of data transmission system based on multichannel isomery one-way transmission path
US20030112810A1 (en) Method for forwarding packets by connecting network segments through a wireless channel and wireless bridging apparatus using the same
CN107592329A (en) A kind of data processing method and device
US20060015874A1 (en) Method for sending and receiving a data frame between at least two data processing apparatuses
CN1747474A (en) Data parallel dispatch system and method for supporting high-speed down group access with multiple carrier
CN107770807A (en) A kind of data processing method and device
CN110099086A (en) A kind of data transmission method based on fusion Transmission system
WO2007012248A1 (en) A method and system for distributing short message
CN107682434A (en) A kind of underwater sensor network framework and its implementation
JPH05160842A (en) Multiplex communication controller
CN104270441A (en) Multi-priority communication method and system of distributed system
CN103200116A (en) Non-connection-oriented reliable UDP transmission protocol and data transmission method
CN112235793A (en) Multi-service access network system and control method thereof
CN104685959B (en) Passive radio link control entity with unified interface
CN109245985A (en) Communication means and system between a kind of single-deck of equipment inside
US7046623B2 (en) Fault recovery system and method for inverse multiplexed digital subscriber lines
CN114826495A (en) Method for reducing NR, RLC, AM fragment loss report overhead

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination