CN108900349A - A kind of high-frequency model management method and system suitable for EOC all-in-one machine - Google Patents
A kind of high-frequency model management method and system suitable for EOC all-in-one machine Download PDFInfo
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- CN108900349A CN108900349A CN201810757686.7A CN201810757686A CN108900349A CN 108900349 A CN108900349 A CN 108900349A CN 201810757686 A CN201810757686 A CN 201810757686A CN 108900349 A CN108900349 A CN 108900349A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/02—Standardisation; Integration
- H04L41/0213—Standardised network management protocols, e.g. simple network management protocol [SNMP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
Abstract
The invention discloses a kind of high-frequency model management methods and system suitable for EOC all-in-one machine, it is related to computer communication complex technical field, after integrated machine equipment of the present invention powers on, the registration request of high-frequency model fixed time broadcast two layers of packet format of network, main control module send registration reply message to high-frequency model；After succeeding in registration, Unified Network management module sends the solicited message of SNMP format to main control module and solicited message is switched to the solicited message of corresponding two layers of packet format of network and is sent to high-frequency model after main control module receives the solicited message of SNMP format；High-frequency model replys receiveing the response for two layers of packet format of corresponding network to main control module, and main control module switchs to SNMP format after receiving the receiveing the response of two layers of packet format of network and replies to Unified Network management module.Unified management of the EOC all-in-one machine to high-frequency model may be implemented in the present invention, simplifies the O&M difficulty of integrated machine equipment.
Description
Technical field
The present invention relates to computer communication complex technical fields, and in particular to a kind of high frequency mould suitable for EOC all-in-one machine
Block management method and system.
Background technique
Currently, radio, TV and film industries show net application in, the typical application scenarios of user include television video business (live streaming and
Program request), user's Ethernet data business.User data service can be transmitted by low frequency EOC frequency range (6.5~67.5MHZ)
It can also be transmitted by EOC high band (996MHZ).In the application of EOC system, EOC all-in-one machine can be used to be compatible with this
The data transportation requirements of two kinds of frequency ranges.EOC all-in-one machine is that card insert type coaxial cable broadband accesses head end (Cable
BandwidthAccess Terminal, CBAT), maximum supports 4 plug-in card slot positions, and slot position mouth is by backboard (based on referred to below as
Control module) connection progress data communication.Each slot position mouth can flexibly be inserted into first line of a couplet ONU (Optical Network Unit) card
Realize that the PON first line of a couplet, EOC low frequency card realize user side Ethernet data service access, EOC high frequency card realizes high-frequency TV video industry
Business access.
The equipment form of above-mentioned all-in-one machine causes the managerial difficulty of integrated machine equipment, to realize to integrated machine equipment
Unified management, it is necessary to there is corresponding management method to be able to achieve management of the all-in-one machine main control module to each slot position card.Existing maturation
Technology can support management of the main control module to ONU card and EOC low frequency card, but not have feasible pipe to EOC high frequency card at present
Reason mode is managed, and individual a set of management system must be used by causing high frequency card, is caused to the O&M of integrated machine equipment
Great difficulty.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of height suitable for EOC all-in-one machine
Frequency module management method and system, realization are managed high-frequency model in coaxial cable Ethernet.
To achieve the above objectives, the technical solution adopted by the present invention is that：A kind of high-frequency model pipe suitable for EOC all-in-one machine
Reason method, includes the following steps：
After integrated machine equipment powers on, the registration request of high-frequency model fixed time broadcast two layers of packet format of network, main control module is received
To after registration request, registration reply message is sent to high-frequency model；
After high-frequency model succeeds in registration, Unified Network management module sends Simple Network Management Protocol SNMP to main control module
The solicited message of format, to inquire the information of acquisition high-frequency model and high-frequency model is managed for configuration；
The solicited message of the SNMP format received is switched to the solicited message of two layers of packet format of network by main control module, concurrently
It is sent to high-frequency model；High-frequency model replys receiveing the response for two layers of packet format of corresponding network to main control module, and main control module will
Receiveing the response for two layers of packet format of the network received switchs to SNMP format, and replies to Unified Network management module.
Based on the above technical solution, the registration request of two layers of packet format of the high-frequency model fixed time broadcast network,
Specifically include following steps：High-frequency model periodically initiates registration request and stops sending if receiving the response message that succeeds in registration
Registration request；It succeeds in registration response message if not receiving or receives registration reply failure message, continue to send registration request.
Based on the above technical solution, it the solicited message of two layers of packet format of the network or receives the response and includes：Association
Field, protocol version, request/response, message length, type of message are discussed, source port number, destination slogan, message fragment mark are set
Position.
Based on the above technical solution, further comprising the steps of：The EOC all-in-one machine manages multiple high frequency moulds simultaneously
Block, main control module safeguard a high-frequency model registration table, will complete the MAC Address of high-frequency model of registration, IP address and soft or hard
The high-frequency model registration table is written in part version information；Main control module starts overtime timer, primary high every setting period traversal
Frequency module registration table sends heartbeat as purpose MAC using the MAC of high-frequency model registration table medium-high frequency module and keeps message；Master control mould
If block receives the heartbeat hold acknowledge message of high-frequency model, counter clear 0 if continuously setting number does not receive, is sentenced
It is offline to be set to the high-frequency model.
Based on the above technical solution, the heartbeat hold acknowledge message of the high-frequency model includes equipment MAC, operation
Duration, connection status, online number of terminals and offline number of terminals with vod server.
The invention also discloses a kind of high-frequency model management system suitable for EOC all-in-one machine, including high-frequency model, uniformly
Network management module and main control module, wherein：
After integrated machine equipment powers on, the registration request of high-frequency model fixed time broadcast two layers of packet format of network；Main control module is received
To after registration request, registration reply message is sent to high-frequency model；
After high-frequency model succeeds in registration, Unified Network management module sends the solicited message of SNMP format to main control module,
To inquire the information of acquisition high-frequency model and high-frequency model be managed for configuration；
The solicited message of the SNMP format received is switched to two layers of packet format of network by main control module, and is sent to high frequency mould
Block；High-frequency model replys receiveing the response for two layers of packet format of corresponding network, the network that main control module will receive to main control module
Two layers of receiveing the response for packet format switch to SNMP format, and reply to Unified Network management module.
Based on the above technical solution, the registration request of two layers of packet format of the high-frequency model fixed time broadcast network,
Detailed process is：The high-frequency model periodically initiates registration request, if receiving the response message that succeeds in registration, stops sending note
Volume request；It succeeds in registration response message if not receiving or receives registration reply failure message, continue to send registration request.
Based on the above technical solution, it the solicited message of two layers of packet format of the network or receives the response and includes：Association
Discuss field, protocol version, request/response, message length, type of message, source port number, destination slogan, message fragment mark set.
Based on the above technical solution, the main control module is also used to：The EOC all-in-one machine manages multiple high simultaneously
Frequency module, main control module safeguard a high-frequency model registration table, will complete the MAC Address of high-frequency model of registration, IP address and
The high-frequency model registration table is written in software and hardware version information；Main control module starts overtime timer, every setting period traversal one
Secondary high-frequency model registration table sends heartbeat as purpose MAC using the MAC of high-frequency model registration table medium-high frequency module and keeps message；It is main
If control module receives the heartbeat hold acknowledge message of high-frequency model, by counter clear 0, if continuously setting number does not receive,
Then it is determined as that the high-frequency model is offline.
Based on the above technical solution, the heartbeat hold acknowledge message of the high-frequency model includes equipment MAC, operation
Duration, connection status, online number of terminals and offline number of terminals with vod server.
Compared with the prior art, the advantages of the present invention are as follows：
After integrated machine equipment of the present invention powers on, the registration request of high-frequency model fixed time broadcast two layers of packet format of network, master control
Module sends registration reply message to high-frequency model；After succeeding in registration, Unified Network management module sends SNMP to main control module
Solicited message is switched to two layers of corresponding network after main control module receives the solicited message of SNMP format by the solicited message of format
The solicited message of packet format is simultaneously sent to high-frequency model；High-frequency model replys two layers of packet format of corresponding network to main control module
It receives the response, main control module switchs to SNMP format after receiving the receiveing the response of two layers of packet format of network and replies to Unified Network pipe
Manage module.Unified management of the EOC all-in-one machine to high-frequency model may be implemented in the present invention, simplifies the O&M difficulty of integrated machine equipment.
Detailed description of the invention
Fig. 1 is the flow diagram for being suitable for the high-frequency model management method of EOC all-in-one machine in the embodiment of the present invention；
Fig. 2 is the stream in the embodiment of the present invention by Unified Network management module to EOC all-in-one machine medium-high frequency module management
Journey schematic diagram；
Fig. 3 be in the embodiment of the present invention in EOC all-in-one machine operational process the interaction of main control module and high-frequency model stream
Journey schematic diagram；
Fig. 4 is for the automatic discovery register flow path schematic diagram of EOC all-in-one machine medium-high frequency module in the embodiment of the present invention.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Embodiment 1
It is shown in Figure 1, high-frequency model management method of the offer of the embodiment of the present invention 1 suitable for EOC all-in-one machine, including with
Lower step：
S1, after integrated machine equipment powers on, the registration request of high-frequency model fixed time broadcast two layers of packet format of network, the registration
MAC Address of the request comprising high-frequency model, software and hardware version number；After main control module receives registration request, registration reply report is sent
Text gives high-frequency model；
S2, after succeeding in registration, Unified Network management module sends SNMP (Simple to main control module
NetworkManagement Protocol, Simple Network Management Protocol) format solicited message, to inquire acquisition high-frequency model
Information and high-frequency model is managed for configuration；
Solicited message is switched to two layers of packet lattice of corresponding network after main control module receives the solicited message of SNMP format by S3
The solicited message of formula is simultaneously sent to high-frequency model；High-frequency model disappears to the response that main control module replys corresponding two layers of packet format of network
Breath, main control module switch to SNMP format after receiving the receiveing the response of two layers of packet format of network and reply to Unified Network management module.
High-frequency model every setting the period initiate a registration request, if receive succeed in registration response message if stop sending
Registration request succeeds in registration response message or receives registration reply failure message if not receiving, and continues to send registration request.
As preferred embodiment, the embodiment of the present invention can also include the following steps：EOC all-in-one machine can manage simultaneously
Muti-piece high-frequency model, main control module safeguard a high-frequency model registration table, with completing MAC Address, the IP of the high-frequency model of registration
Location and software and hardware version information can be written into the registration table.Main control module starts overtime timer, every setting period traversal one
Secondary registration table sends heartbeat as purpose MAC using the MAC of registration table medium-high frequency module and keeps message, if receiving the heart of high-frequency model
Hold acknowledge message is jumped, then by counter clear 0, if continuously setting number does not receive, is determined as that the high-frequency model is offline.
The heartbeat hold acknowledge message of high-frequency model includes equipment MAC, operation duration, the connection shape with vod server
State, online number of terminals and offline number of terminals.
After integrated machine equipment in the embodiment of the present invention powers on, the registration of high-frequency model fixed time broadcast two layers of packet format of network
Request, main control module send registration reply message to high-frequency model；After succeeding in registration, Unified Network management module is to main control module
The solicited message of SNMP format is sent to switch to solicited message corresponding after main control module receives the solicited message of SNMP format
The solicited message of two layers of packet format of network is simultaneously sent to high-frequency model；High-frequency model replys corresponding two layers of network to main control module
Packet format is receiveed the response, and main control module switchs to SNMP format after receiving the receiveing the response of two layers of packet format of network and replies to system
One network management module.Unified management of the EOC all-in-one machine to high-frequency model may be implemented in the embodiment of the present invention, simplifies all-in-one machine and sets
Standby O&M difficulty.
Embodiment 2：
The embodiment of the present invention 2 provides a kind of high-frequency model management system suitable for EOC all-in-one machine, which includes high frequency
Module, Unified Network management module and main control module, wherein：
After integrated machine equipment powers on, the registration request of high-frequency model fixed time broadcast two layers of packet format of network, the registration is asked
Ask the MAC Address comprising high-frequency model, software and hardware version number；
After main control module receives registration request, registration reply message is sent to high-frequency model；
After succeeding in registration, Unified Network management module sends the solicited message of SNMP format to main control module, is obtained with inquiry
It takes high-frequency model information and high-frequency model is managed for configuration；
After main control module receives the solicited message of SNMP format, solicited message is switched into two layers of packet format of corresponding network
Solicited message is simultaneously sent to high-frequency model；
High-frequency model replys receiveing the response for two layers of packet format of corresponding network to main control module；
Main control module switchs to SNMP format after receiving the receiveing the response of two layers of packet format of network and replies to Unified Network pipe
Manage module.
The high-frequency model every setting the period initiate a registration request, if receive succeed in registration response message if stop sending out
Registration request is sent, response message is succeeded in registration if not receiving or receives registration reply failure message, continues to send registration request.
EOC all-in-one machine can manage muti-piece high-frequency model simultaneously, and main control module safeguards a high-frequency model registration table, complete note
MAC Address, IP address and the software and hardware version information of the high-frequency model of volume can be written into the registration table.Main control module starting time-out
Timer traverses a registration table every the setting period, sends heartbeat as purpose MAC using the MAC of registration table medium-high frequency module and protects
Message is held, if receiving the heartbeat hold acknowledge message of high-frequency model, by time-out counter clear 0, if continuously setting number does not have
It receives, is then determined as that the high-frequency model is offline.
The heartbeat hold acknowledge message of the high-frequency model includes equipment MAC, operation duration, the connection with vod server
State, online number of terminals and offline number of terminals.
Embodiment 3：
On the basis of embodiment 1 or 2, Unified Network management module is the management system using snmp protocol of complete set
System；Coaxial cable all-in-one machine headend, that is, EOC all-in-one machine is unified in EOC system as a complete administrative unit
Network Management System is managed；High-frequency model be EOC all-in-one machine a subelement, also need be by Unified Network management
Reason under the overall leadership；Main control module is a submodule in EOC all-in-one machine, realizes the function of exchange to management data.
Shown in Figure 2, the high-frequency model management method suitable for EOC all-in-one machine specifically includes following procedure：
After step 1, integrated machine equipment power on, the registration request of high-frequency model fixed time broadcast two layers of packet format of network, registration
The information such as the address mac, the software and hardware version number of high-frequency model are contained inside request packet.Master control initialization completion, which receives registration, asks
After seeking packet, registration request is replied.High-frequency model stops sending registration request.
Step 2, Unified Network administrative unit send SNMP format solicited message, obtain high-frequency model relevant information and
High-frequency model is managed for configuration.
After step 3, master control receive the solicited message of SNMP format, solicited message is switched into two layers of packet message of corresponding network
It is sent to high-frequency model.
Step 4, high-frequency model reply receiveing the response for two layers of packet format of corresponding network.
Step 5, master control, which receive, to be switched to SNMP format after the receiveing the response of two layers of packet format of network of high-frequency model and replies to
Unified Network Management.
Embodiment 4：
On the basis of embodiment 1 or 2, Fig. 3 is described in all-in-one machine operational process, main control module and high-frequency model
Interactive process.
1, after integrated machine equipment powers on, the registration request of high-frequency model fixed time broadcast two layers of packet format of network, registration request
Contain the information such as the address mac, the software and hardware version number of high-frequency model.Main control module initialization is completed to receive registration request packet
Afterwards, registration request is replied.
2, high-frequency model stops sending registration request, and main control module regularly sends heartbeat and keeps keepalive request, high frequency
Module replys keepalive response.
3, main control module switchs to two layers of corresponding network after receiving the configuration querying message that Unified Network Management is sent
The solicited message of packet format issues inquiry and configuration message.High-frequency model responds corresponding inquiry and configuration message.
Wherein, it the solicited message of two layers of packet format of network or receives the response and includes：Protocol fields, protocol version, request/answer
It answers, message length, type of message, source port number, destination slogan, message fragment mark set.
Table 1 describes the two layers of packet format definition of network interacted between main control module and high-frequency model：
Table 1
Embodiment 5：
On the basis of embodiment 1 or 2, Fig. 4 describes high-frequency model and powers on register flow path.
101, device power and the cascade port UP with main control module；
102, filling equipment parameter, broadcast registration request message are initiated primary every 5s；
103, queued for log-on response message, if receive succeed in registration response message if register and terminate, enter step；If
It does not receive and succeeds in registration response message or receive registration reply failure message, then return step；
104, it succeeds in registration, terminates register flow path.
Table 2 describes the registration request packet TLV format and content-defined of high-frequency model transmission
Table 2
Wherein, first three rows indicate maintype in table 2, identify the concrete type of this packet.
Every three row indicates one group of TLV, corresponds respectively to T (Type, type), L (Length, the length of entire TLV), V
(Value, value).With first three behavior example：Field " CGMP_TLV_MAIN_REGIST (registration) " accounts for 2 bytes；Field length value
It is 6, accounts for 2 bytes；Field " CGMP_REGIST_REQUEST (request) " accounts for 2 bytes；
As shown in Table 2, high-frequency model must carry following information when sending registration request message：Device id, equipment MAC
Address, ESN (Equipment Serial Number, equipment Serial Number) numbers of equipment, the software and hardware version of equipment, device IP
Address, subnet mask and gateway address.
Embodiment 6：
On the basis of embodiment 1 or 2, table 3 describes the heartbeat hold acknowledge packet TLV format and interior of high-frequency model transmission
Hold definition.
Table 3
Wherein, first three rows indicate maintype in table 3, identify the concrete type of this packet.
As shown in Table 3, contained in the heartbeat hold acknowledge message of high-frequency model device id, equipment MAC, operation duration,
With the information such as the connection status, online number of terminals, offline number of terminals of vod server (VOD).
After high-frequency model, which powers on, to succeed in registration, main control module needs the equipment state of periodic maintenance module board therefore needs one kind
Keepalive mechanism, i.e. keepalive.Main control module will start keepalive overtime timer, can send one every 10 seconds
Keepalive message can be by counter clear 0 if receiving the heartbeat hold acknowledge message of module；If continuous 9 times do not have
It receives, then it is assumed that module is offline.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of high-frequency model management method suitable for EOC all-in-one machine, which is characterized in that include the following steps：
After integrated machine equipment powers on, the registration request of high-frequency model fixed time broadcast two layers of packet format of network, main control module receives note
After volume request, registration reply message is sent to high-frequency model；
After high-frequency model succeeds in registration, Unified Network management module sends Simple Network Management Protocol SNMP format to main control module
Solicited message, with inquire obtain high-frequency model information and high-frequency model is managed for configuration；
The solicited message of the SNMP format received is switched to the solicited message of two layers of packet format of network by main control module, and is sent to
High-frequency model；High-frequency model replys receiveing the response for two layers of packet format of corresponding network to main control module, and main control module will receive
Receiveing the response for two layers of packet format of network switch to SNMP format, and reply to Unified Network management module.
2. a kind of high-frequency model management method suitable for EOC all-in-one machine as described in claim 1, it is characterised in that：It is described
The registration request of high-frequency model fixed time broadcast two layers of packet format of network, specifically includes following steps：High-frequency model is periodically initiated
Registration request stops sending registration request if receiving the response message that succeeds in registration；If not receiving the response message that succeeds in registration
Or receive registration reply failure message, then continue to send registration request.
3. a kind of high-frequency model management method suitable for EOC all-in-one machine as described in claim 1, it is characterised in that：It is described
The solicited message of two layers of packet format of network receives the response and includes：Protocol fields, protocol version, request/response, message length,
Type of message, source port number, destination slogan, message fragment mark set.
4. a kind of high-frequency model management method suitable for EOC all-in-one machine as described in claim 1, it is characterised in that：Also wrap
Include following steps：The EOC all-in-one machine manages multiple high-frequency models simultaneously, and main control module safeguards a high-frequency model registration table,
The high-frequency model registration table is written into MAC Address, IP address and the software and hardware version information of completing the high-frequency model of registration；Master control
Module starts overtime timer, a high-frequency model registration table is traversed every the setting period, with high-frequency model registration table medium-high frequency
The MAC of module is that purpose MAC sends heartbeat holding message；If main control module receives the heartbeat hold acknowledge message of high-frequency model,
Then by counter clear 0, if continuously setting number does not receive, it is determined as that the high-frequency model is offline.
5. a kind of high-frequency model management method suitable for EOC all-in-one machine as claimed in claim 4, it is characterised in that：It is described
The heartbeat hold acknowledge message of high-frequency model includes equipment MAC, the connection status of operation duration and vod server, online end
Hold number and offline number of terminals.
6. a kind of high-frequency model management system suitable for EOC all-in-one machine, which is characterized in that including high-frequency model, Unified Network
Management module and main control module, wherein：
After integrated machine equipment powers on, the registration request of high-frequency model fixed time broadcast two layers of packet format of network；Main control module receives note
After volume request, registration reply message is sent to high-frequency model；
After high-frequency model succeeds in registration, Unified Network management module sends the solicited message of SNMP format to main control module, to look into
It askes the information for obtaining high-frequency model and high-frequency model is managed for configuration；
The solicited message of the SNMP format received is switched to two layers of packet format of network by main control module, and is sent to high-frequency model；
High-frequency model replys receiveing the response for two layers of packet format of corresponding network to main control module, will receive two layers of network of main control module
Receiveing the response for packet format switchs to SNMP format, and replies to Unified Network management module.
7. a kind of high-frequency model management system suitable for EOC all-in-one machine as claimed in claim 6, it is characterised in that：It is described
The registration request of high-frequency model fixed time broadcast two layers of packet format of network, detailed process are：The high-frequency model periodically initiates note
Volume request stops sending registration request if receiving the response message that succeeds in registration；If do not receive succeed in registration response message or
Registration reply failure message is received, then continues to send registration request.
8. a kind of high-frequency model management system suitable for EOC all-in-one machine as claimed in claim 6, it is characterised in that：It is described
The solicited message of two layers of packet format of network receives the response and includes：Protocol fields, protocol version, request/response, message length,
Type of message, source port number, destination slogan, message fragment mark set.
9. a kind of high-frequency model management system suitable for EOC all-in-one machine as claimed in claim 6, it is characterised in that：It is described
Main control module is also used to：The EOC all-in-one machine manages multiple high-frequency models simultaneously, and main control module safeguards a high-frequency model registration
The high-frequency model registration table is written in MAC Address, IP address and the software and hardware version information of completing the high-frequency model of registration by table；
Main control module starts overtime timer, a high-frequency model registration table is traversed every the setting period, in high-frequency model registration table
The MAC of high-frequency model is that purpose MAC sends heartbeat holding message；If main control module receives the heartbeat hold acknowledge report of high-frequency model
Text, if continuously setting number does not receive, is determined as that the high-frequency model is offline then by counter clear 0.
10. a kind of high-frequency model management system suitable for EOC all-in-one machine as claimed in claim 9, it is characterised in that：It is described
The heartbeat hold acknowledge message of high-frequency model includes equipment MAC, the connection status of operation duration and vod server, online end
Hold number and offline number of terminals.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112987904A (en) * | 2019-12-18 | 2021-06-18 | 成都鼎桥通信技术有限公司 | Heartbeat control method and device |
| CN115225690A (en) * | 2022-06-22 | 2022-10-21 | 中科驭数（北京）科技有限公司 | TCP long connection keep-alive method and device based on hardware protocol stack |
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| CN112987904A (en) * | 2019-12-18 | 2021-06-18 | 成都鼎桥通信技术有限公司 | Heartbeat control method and device |
| CN112987904B (en) * | 2019-12-18 | 2022-11-11 | 成都鼎桥通信技术有限公司 | Heartbeat control method and device |
| CN115225690A (en) * | 2022-06-22 | 2022-10-21 | 中科驭数（北京）科技有限公司 | TCP long connection keep-alive method and device based on hardware protocol stack |
| CN115225690B (en) * | 2022-06-22 | 2024-04-19 | 中科驭数（北京）科技有限公司 | TCP long connection keep-alive method and device based on hardware protocol stack |
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