CN113890792B - Second generation communication gateway determination method for parallel hot rolling secondary system - Google Patents
Second generation communication gateway determination method for parallel hot rolling secondary system Download PDFInfo
- Publication number
- CN113890792B CN113890792B CN202111164674.1A CN202111164674A CN113890792B CN 113890792 B CN113890792 B CN 113890792B CN 202111164674 A CN202111164674 A CN 202111164674A CN 113890792 B CN113890792 B CN 113890792B
- Authority
- CN
- China
- Prior art keywords
- ngs
- message
- msc
- mrs
- network card
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a method for determining a second-generation communication gateway for parallel hot rolling two-stage systems, and belongs to the technical field of automatic control of hot rolling. The method comprises the following steps: establishing a gateway system consisting of MRS and NGS, wherein the MRS and the NGS respectively represent a message transfer server and a gateway server; setting one network card of the MRS as an IP address of the MSC and then accessing the MSC to an old L2 switch for simulating the communication between the MSC and L1; wherein, MSC represents an old L2 server, L1 represents a basic automation system, and L2 represents a process control system; setting one network card of the NGS as all IP addresses of the L1, and then accessing the network card into a new switch for simulating the communication between the L1 and the MSC and PCS; wherein PCS represents a new L2 server; MRS and NGS are directly connected; and configuring a message transfer function in MRS, and configuring MSC and PCS switching functions on NGS. By adopting the invention, the parallel operation of the new L2 and the old L2 can be realized under the condition of not modifying any network configuration and program of the original L1 and the original L2.
Description
Technical Field
The invention relates to the technical field of automatic control of hot rolling, in particular to a method for determining a second-generation communication gateway for parallel hot rolling secondary systems.
Background
The currently known communication gateway design for hot rolling secondary system transformation belongs to a first generation gateway, and is successfully applied to domestic CSP hot rolling secondary transformation, and the gateway can independently upgrade and transform an L2 system under the condition that the L1 system is kept to be changed, thereby facilitating online debugging during transformation and reducing the influence on production caused by debugging to the minimum.
In the aspect of the prior paper, the paper is a communication gateway design (metallurgical automation, 2015,39 (03): 91-94) for improving a hot continuous rolling two-stage system, so as to realize the data communication between the L1 and the new and old L2 systems, and realize the parallel of the two L2 systems through one gateway server. According to the paper CSP hot continuous rolling two-stage control system transformation and upgrading (metallurgical automation, 2015,39 (03): 62-66), in order to facilitate the debugging and optimization of a new system, a communication gateway server technology is adopted to realize the parallel operation and online switching of the new system and the old system. The above-mentioned communication gateway design all needs 1 gateway server, then set the IP of gateway server as the IP of the model server of old L2 system, and dispose the same communication message with old L2 system, simulate old L2 system to communicate with L1 system. In order to avoid the IP conflict, the model server of the old L2 system needs to be replaced by other IP in the same network segment, and the communication configuration of the model server of the old L2 system is modified again to establish communication with the L1 system simulated by the gateway server.
Disclosure of Invention
The embodiment of the invention provides a second generation communication gateway determining method for parallel hot rolling of a secondary system, which can realize parallel operation of new and old L2 without modifying any network configuration and program of the original L1 and L2. The technical scheme is as follows:
the embodiment of the invention provides a method for determining a second generation communication gateway for parallel hot rolling of a secondary system, which comprises the following steps:
establishing a gateway system consisting of MRS and NGS, wherein the MRS and the NGS respectively represent a message transfer server and a gateway server;
setting one network card of the MRS as an IP address of the MSC and then accessing the MSC to an old L2 switch for simulating the communication between the MSC and L1; wherein, MSC represents an old L2 server, L1 represents a basic automation system, and L2 represents a process control system;
setting one network card of the NGS as all IP addresses of the L1, and then accessing the network card into a new switch for simulating the communication between the L1 and the MSC and PCS; wherein PCS represents a new L2 server;
MRS and NGS are directly connected;
and configuring a message transfer function in MRS, and configuring MSC and PCS switching functions on NGS.
Further, setting one network card of NGS as all the IP addresses of L1 in communication with MSC and PCS, and then accessing the new switch to simulate the communication between L1 and MSC and PCS includes:
setting one network card of the NGS as all IP addresses of the L1, then accessing the network card to a new switch, accessing the MSC and the PCS to the new switch, and simulating the L1 to communicate with the MSC and the PCS by the NGS; wherein, the IP address of PCS is set as the unoccupied IP address of L2 same network segment.
Further, the MRS and NGS direct connection includes:
the other network card of the MRS and the other network card of the NGS are configured to be the IP addresses which are not in the same network segment with the existing L1 and L2 and are directly connected.
Further, the configuring the other network card of the MRS and the other network card of the NGS to be IP addresses not in the same network segment as the existing L1 and L2, and directly connecting the network cards includes:
setting the other network card of the MRS as the IP address of different network segments with the L2 and then connecting the other network card with the same network segment network card of the NGS;
and setting the other network card of the NGS as the IP address of different network segments with the L1 and then connecting the other network card with the same network segment network card of the MRS.
Further, the transfer function in the MRS configuration message includes:
for the set message sent to L1 by L2, a direct message channel and a transfer message channel are required to be configured on MRS; the direct message channel refers to a channel of the server which receives the message and then sends the message to another server, the transfer message channel refers to another channel of the server which receives the message and then sends the message to another channel of the server, the direct message refers to a set message sent from NGS and received by a direct networking card, and the transfer message refers to a set message sent from the direct message channel and then forwards the message to L1.
Further, the configuring MSC and PCS handover functions on NGS includes:
for the message sent to L1 by MSC and PCS, determining the setting message of the forwarded MSC or the setting message of PCS on NGS through gateway switching interface;
after receiving the setting message of the MSC or the setting message of the PCS, the NGS sends the received setting message to a direct message channel of the direct network card to the MRS.
Further, the method further comprises:
for the setting message sent to L2 by L1, after the setting message sent by L1 is received by the direct message channel, the setting message is forwarded to the transfer message channel, and the NGS is sent by the direct networking card and simultaneously forwarded to the MSC and the PCS respectively.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
in the embodiment of the invention, a gateway system consisting of MRS and NGS is established, wherein the MRS and the NGS respectively represent a message transfer server and a gateway server; setting one network card of the MRS as an IP address of the MSC and then accessing the MSC to an old L2 switch for simulating the communication between the MSC and L1; wherein, MSC represents an old L2 server, L1 represents a basic automation system, and L2 represents a process control system; setting one network card of the NGS as all IP addresses of the L1, and then accessing the network card into a new switch for simulating the communication between the L1 and the MSC and PCS; wherein PCS represents a new L2 server; MRS and NGS are directly connected; and configuring a message transfer function in MRS, and configuring MSC and PCS switching functions on NGS. By adopting the invention, the parallel operation of the new L2 and the old L2 can be realized under the condition of not modifying any network configuration and program of the original L1 and the original L2.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a method for determining a second generation communication gateway for parallel hot rolling of a secondary system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an operating principle of a second generation communication gateway according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a new and old L2 parallel network topology according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, an embodiment of the present invention provides a method for determining a second generation communication gateway for parallel hot rolling of a two-stage system, including:
s101, establishing a gateway system consisting of MRS and NGS, wherein the MRS and the NGS respectively represent a message transfer server and a gateway server;
in this embodiment, the hardware configuration includes: MRS and NGS.
S102, setting one network card of the MRS as an IP address (for example, 10.15.2.25) of the MSC, then accessing an old L2 switch (namely, the old switch in FIG. 2) to complete network connection with L1, wherein the MRS is used for simulating the communication between the MSC and L1; wherein, MSC represents an old L2 server, L1 represents a basic automation system, and L2 represents a process control system;
in this embodiment, MRS simulates an MSC: if one network card of MRS is configured as the IP address of MSC, L2 can realize analog communication with L1.
S103, setting one network card of the NGS as all IP addresses (specifically, the IP addresses of an L1 controller, such as 10.15.1.X, and the like) and then accessing a new switch, wherein the NGS is used for simulating the communication between L1 and MSC and PCS, and realizing the network communication between L1 and new and old L2 servers; wherein PCS represents a new L2 server;
in this embodiment, NGS simulates all controllers of L1: and if one network card is configured to be the IP addresses of all the L1 controllers, the MSC and the PCS can realize analog communication with the L1.
In this embodiment, one of the network cards of NGS is set to all the IP addresses of L1 and then connected to a new switch, and the MSC and PCS are connected to the new switch, so that the NGS realizes network connection with the new and old L2 servers, and the NGS is used to simulate the L1 communication with the MSC and PCS; wherein, the IP address of PCS is set as the unoccupied IP address of L2 same network segment.
In this embodiment, the NGS is used to simulate the communication between the L1 and the new and old L2 servers, so that one of the network cards is configured to communicate with all the IP addresses of the L1 that communicate with the MSC and PCS to establish a communication connection with the new and old L2 servers.
S104, directly connecting MRS and NGS;
in this embodiment, the other network card of the MRS and the other network card of the NGS are configured to be IP addresses that are not in the same network segment as the existing L1 and L2, and directly connected, which may specifically include the following steps:
setting the other network card of the MRS to be connected with the same network card (for example, a network card with the IP address of 192.168.6.11) of the NGS after being set to be the IP address (for example, 192.168.6.12) of the different network segment of the L2;
and setting the other network card of the NGS as the IP address of different network segments with the L1 and then connecting the other network card with the same network segment network card of the MRS.
In this embodiment, the MRS simulates the MSC and L1 networking, the NGS simulates the L1 and MSC and PCS networking, and the MRS and NGS are directly connected through the network card of 192.168.6 network segment.
In this embodiment, the other network card of the NGS and the NGS is configured to be directly connected after the other network segment IP to achieve the purpose of interconnection between the NGS and the MRS network, so that the effect of physically isolating the respective network segments connected with the NGS and the MRS can be achieved, and data between the NGS and the MRS can be transferred through the directly connected network card.
S105, the message transfer function is configured in MRS, and the MSC and PCS switching functions are configured in NGS.
In this embodiment, a message transfer program is configured on the MRS to implement a message transfer function: for the setup message sent to the L1 by the L2, a direct message channel and a transfer message channel need to be respectively configured on the MRS, wherein the direct message refers to the setup message sent from the NGS and received by the direct networking card, and the transfer message refers to the setup message sent from the direct message channel and forwarded to the L1 after the setup message is received by the message transfer program. For the setting message sent to L2 by L1, the message transfer program transfers the setting message sent by L1 to the transfer message channel after the direct message channel receives the setting message, and sends NGS through the direct networking card, and the NGS is simultaneously transferred to MSC and PCS respectively.
In this embodiment, the direct text channel refers to a channel of the server that sends the text to another server after receiving the text; the transfer message channel refers to another channel which is sent to the server after receiving the message.
In this embodiment, a gateway switching program is configured on NGS to implement MSC and PCS switching functions: for the setting messages sent to the L1 by the new L2 server and the old L2 server, manually determining whether to forward the setting messages of the new L2 server or the setting messages of the old L2 server on the NGS through a gateway switching interface, so that the switching function of the setting messages of the new L2 server and the old L2 server by one key is realized, the parallel test of the new L2 server and the old L2 server is facilitated, and after the setting messages of the new L2 server or the old L2 server are received by the NGS, the received setting messages are sent to a direct message channel of a direct network card to be sent to an MRS; and for the L1 to send the L2 message, after the program is received by the direct message channel, the program is simultaneously and respectively forwarded to the new and old L2 servers.
For better understanding of the present invention, a field application is taken as an example, and a second generation communication gateway determining method for hot rolling two-stage system parallelism provided by the embodiment of the present invention is described:
after the NGS and the MRS are configured according to the steps S101-105, the directly connected network cards (192.168.6.11 and 192.168.6.12) of the NGS and the MRS are connected, then the network wires of the MSC and the PCS are connected to a new switch, then the multi-IP network card (10.15.1. X-10.15.4. X) of the NGS analog L1 is also connected to the new switch, and finally the L2 network card (10.15.2.25) of the MRS analog is connected to an old switch to realize interconnection with the L1.
The method for determining the parallel second-generation communication gateway for the hot rolling secondary system has been successfully applied to the upgrading and reconstruction of the secondary system of a CSP hot continuous rolling production line in China.
In summary, the method for determining the second-generation communication gateway for parallel hot rolling of the two-stage system has at least the following beneficial effects:
1) The gateway system formed by combining the MRS and the NGS based on the message transfer server can realize parallel operation of the new L2 and the old L2 without modifying any network configuration and program of the original L1 and L2, can reduce the difficulty of transformation to the greatest extent, and improves the stability of the parallel gateway system;
2) The soft handoff function with one-touch gateway handoff function determines to send new or old L2 server setup messages to L1.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program for instructing relevant hardware, where the program may be stored in a computer readable storage medium, and the storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (7)
1. A second generation communication gateway determination method for hot rolling two-stage system parallelism, comprising:
establishing a gateway system consisting of MRS and NGS, wherein the MRS and the NGS respectively represent a message transfer server and a gateway server;
setting one network card of the MRS as an IP address of the MSC and then accessing the MSC to an old L2 switch for simulating the communication between the MSC and L1; wherein, MSC represents an old L2 server, L1 represents a basic automation system, and L2 represents a process control system;
setting one network card of the NGS as all IP addresses of the L1, and then accessing the network card into a new switch for simulating the communication between the L1 and the MSC and PCS; wherein PCS represents a new L2 server;
MRS and NGS are directly connected;
and configuring a message transfer function in MRS, and configuring MSC and PCS switching functions on NGS.
2. The method for determining a parallel second generation communication gateway for a hot rolled secondary system according to claim 1, wherein said setting one network card of NGS to all IP addresses of L1 in communication with MSC and PCS and then accessing the new switch for simulating L1 in communication with MSC and PCS comprises:
setting one network card of the NGS as all IP addresses of the L1, then accessing the network card to a new switch, accessing the MSC and the PCS to the new switch, and simulating the L1 to communicate with the MSC and the PCS by the NGS; wherein, the IP address of PCS is set as the unoccupied IP address of L2 same network segment.
3. The method for determining a second generation communication gateway for hot rolling two-stage system parallelism according to claim 1, wherein the MRS and NGS direct connection comprises:
the other network card of the MRS and the other network card of the NGS are configured to be the IP addresses which are not in the same network segment with the existing L1 and L2 and are directly connected.
4. The method for determining a second generation communication gateway for hot rolling two-stage system parallelism according to claim 3, wherein configuring the other network card of the MRS and the other network card of the NGS to be IP addresses not in the same network segment as the existing L1 and L2, and directly connecting includes:
setting the other network card of the MRS as the IP address of different network segments with the L2 and then connecting the other network card with the same network segment network card of the NGS;
and setting the other network card of the NGS as the IP address of different network segments with the L1 and then connecting the other network card with the same network segment network card of the MRS.
5. The method for determining a second generation communication gateway for hot rolling two-stage system parallelism according to claim 1, wherein the transfer function in MRS configuration message comprises:
for the set message sent to L1 by L2, a direct message channel and a transfer message channel are required to be configured on MRS; the direct message channel refers to a channel of the server which receives the message and then sends the message to another server, the transfer message channel refers to another channel of the server which receives the message and then sends the message to another channel of the server, the direct message refers to a set message sent from NGS and received by a direct networking card, and the transfer message refers to a set message sent from the direct message channel and then forwards the message to L1.
6. The method for determining a second generation communication gateway for hot rolling two-stage system parallelism according to claim 1, wherein said configuring MSC and PCS switching functions on NGS comprises:
for the message sent to L1 by MSC and PCS, determining the setting message of the forwarded MSC or the setting message of PCS on NGS through gateway switching interface;
after receiving the setting message of the MSC or the setting message of the PCS, the NGS sends the received setting message to a direct message channel of the direct network card to the MRS.
7. The second generation communication gateway determination method for hot rolling two-stage system parallelism according to claim 1, further comprising:
for the setting message sent to L2 by L1, after the setting message sent by L1 is received by the direct message channel, the setting message is forwarded to the transfer message channel, and the NGS is sent by the direct networking card and simultaneously forwarded to the MSC and the PCS respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111164674.1A CN113890792B (en) | 2021-09-30 | 2021-09-30 | Second generation communication gateway determination method for parallel hot rolling secondary system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111164674.1A CN113890792B (en) | 2021-09-30 | 2021-09-30 | Second generation communication gateway determination method for parallel hot rolling secondary system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113890792A CN113890792A (en) | 2022-01-04 |
| CN113890792B true CN113890792B (en) | 2023-09-01 |
Family
ID=79005023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111164674.1A Active CN113890792B (en) | 2021-09-30 | 2021-09-30 | Second generation communication gateway determination method for parallel hot rolling secondary system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113890792B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2310783A1 (en) * | 1999-06-16 | 2000-12-16 | Telcordia Technologies, Inc. | Pcs-to-mobile ip internet working |
| US6512774B1 (en) * | 1999-03-18 | 2003-01-28 | 3Com Corporation | Fail over with multiple network interface cards |
| CN201550116U (en) * | 2009-06-04 | 2010-08-11 | 宝山钢铁股份有限公司 | Network communication converter |
| CN201596678U (en) * | 2009-11-10 | 2010-10-06 | 武汉钢铁(集团)公司 | Hot rolling process control middleware system |
| CN102122157A (en) * | 2010-12-27 | 2011-07-13 | 北京建龙重工集团有限公司 | Redundancy architecture control system and method thereof capable of keeping original system function and performance |
| JP2012027834A (en) * | 2010-07-27 | 2012-02-09 | Hitachi Ltd | Production plant monitoring device and system, rolling plant monitoring device and system, production plant remote monitoring method, and rolling plant remote monitoring method |
| CN104267613A (en) * | 2014-09-15 | 2015-01-07 | 东北大学 | Metal rolling process automatic control hardware-in-loop simulation platform and method for experiment |
| CN107798444A (en) * | 2016-08-31 | 2018-03-13 | 鞍钢股份有限公司 | A kind of hot-strip MES system parallel debugging collecting method |
| CN109388072A (en) * | 2017-08-14 | 2019-02-26 | 上海梅山钢铁股份有限公司 | A kind of building method of the analogue system based on hot rolling L2 Process Control System |
| CN110262374A (en) * | 2019-06-18 | 2019-09-20 | 北京金自天正智能控制股份有限公司 | A kind of development platform of rolling process control system |
| CN112953818A (en) * | 2021-01-29 | 2021-06-11 | 大冶特殊钢有限公司 | Communication system and method based on intelligent gateway equipment |
-
2021
- 2021-09-30 CN CN202111164674.1A patent/CN113890792B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6512774B1 (en) * | 1999-03-18 | 2003-01-28 | 3Com Corporation | Fail over with multiple network interface cards |
| CA2310783A1 (en) * | 1999-06-16 | 2000-12-16 | Telcordia Technologies, Inc. | Pcs-to-mobile ip internet working |
| CN201550116U (en) * | 2009-06-04 | 2010-08-11 | 宝山钢铁股份有限公司 | Network communication converter |
| CN201596678U (en) * | 2009-11-10 | 2010-10-06 | 武汉钢铁(集团)公司 | Hot rolling process control middleware system |
| JP2012027834A (en) * | 2010-07-27 | 2012-02-09 | Hitachi Ltd | Production plant monitoring device and system, rolling plant monitoring device and system, production plant remote monitoring method, and rolling plant remote monitoring method |
| CN102122157A (en) * | 2010-12-27 | 2011-07-13 | 北京建龙重工集团有限公司 | Redundancy architecture control system and method thereof capable of keeping original system function and performance |
| CN104267613A (en) * | 2014-09-15 | 2015-01-07 | 东北大学 | Metal rolling process automatic control hardware-in-loop simulation platform and method for experiment |
| CN107798444A (en) * | 2016-08-31 | 2018-03-13 | 鞍钢股份有限公司 | A kind of hot-strip MES system parallel debugging collecting method |
| CN109388072A (en) * | 2017-08-14 | 2019-02-26 | 上海梅山钢铁股份有限公司 | A kind of building method of the analogue system based on hot rolling L2 Process Control System |
| CN110262374A (en) * | 2019-06-18 | 2019-09-20 | 北京金自天正智能控制股份有限公司 | A kind of development platform of rolling process control system |
| CN112953818A (en) * | 2021-01-29 | 2021-06-11 | 大冶特殊钢有限公司 | Communication system and method based on intelligent gateway equipment |
Non-Patent Citations (1)
| Title |
|---|
| An Optimal Two-stage Algorithm for Slab Design Problem with Flexible Demands;Tieke Li;《2007 IEEE International Conference on Automation and Logistics》;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113890792A (en) | 2022-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110427385A (en) | Block chain data-updating method, interdependent node and block chain | |
| EP2256990A1 (en) | A method for transferring the network management configuration information between the element management systems | |
| CN109995600B (en) | SDN-based high-pressure service testing method and system | |
| CN114285695B (en) | Communication method, device, apparatus, system and storage medium | |
| CN103631622A (en) | Software online upgrade repairing method | |
| CN112121413A (en) | Response method, system, device, terminal and medium of function service | |
| CN111682993A (en) | Automobile CAN bus signal simulation method and device | |
| CN114328256A (en) | Test method, test device, computer-readable storage medium and electronic equipment | |
| CN108009239B (en) | Database access method and system | |
| CN113890792B (en) | Second generation communication gateway determination method for parallel hot rolling secondary system | |
| CN107453954A (en) | A kind of Networked E-Journals method, system and equipment | |
| CN103581197A (en) | Method and system for processing team data among servers | |
| CN109587063B (en) | Data drainage method and device | |
| CN111885660B (en) | Transmission method and system for system information of multi-path server system based on fusion framework | |
| CN112152975B (en) | Audio data processing method and device | |
| CN111431756A (en) | Topology dynamic identification method for medium-voltage distribution network | |
| CN113992536B (en) | Server testing method | |
| CN117806895A (en) | Analog output data acquisition method and device, electronic equipment and storage medium | |
| CN115714455A (en) | Method and system for realizing distributed DTU plug and play | |
| TWI715481B (en) | Server test method | |
| CN101060710B (en) | A method for rapid selecting the link in the media independent switching technology | |
| Kashani | Overview of the LTE network and removal of unwanted Handover in the network and how to implement it with the ns3 simulator | |
| KR101776695B1 (en) | Apparatus and method for inter-sdn network domain federation | |
| CN117471936A (en) | Semi-physical logic verification method, system, upper computer, control panel and medium | |
| CN115327947A (en) | Hardware-free HMI (human machine interface) simulation control method and system |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |