CN101399692B - Method and system for service migration - Google Patents

Method and system for service migration Download PDF

Info

Publication number
CN101399692B
CN101399692B CN2007100305546A CN200710030554A CN101399692B CN 101399692 B CN101399692 B CN 101399692B CN 2007100305546 A CN2007100305546 A CN 2007100305546A CN 200710030554 A CN200710030554 A CN 200710030554A CN 101399692 B CN101399692 B CN 101399692B
Authority
CN
China
Prior art keywords
unit
former
socket
message
new
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
Application number
CN2007100305546A
Other languages
Chinese (zh)
Other versions
CN101399692A (en
Inventor
罗汉军
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.)
Guangdong Gaohang Intellectual Property Operation Co ltd
Suzhou Gonghu Precision Manufacturing Industry Development Co ltd
Original Assignee
Huawei Technologies 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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN2007100305546A priority Critical patent/CN101399692B/en
Publication of CN101399692A publication Critical patent/CN101399692A/en
Application granted granted Critical
Publication of CN101399692B publication Critical patent/CN101399692B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention discloses a service migration method, comprising the steps as follows: an original service unit and an original socket unit inform another protocol stack to establish a new service unit and a new socket unit; meanwhile, the original socket unit saves the position information of the new socket unit; the data of the original service unit is copied to the new service unit; meanwhile, the socket data of the original socket unit is copied to the new socket unit; according to the position information of the new socket unit, the service is migrated from the original service unit and the original socket unit to the new service unit and the new socket unit; the new service unit gains the data from the new socket unit. Correspondingly, the invention also discloses a service migration method and a system thereof; according to the service migration method and the system thereof, the service can be smoothly migrated between the protocol stack and a main control plate or different service processes of the same protocol stack without stopping the service.

Description

The method and system of business migration
Technical field
The present invention relates to electronic communication field, relate in particular to a kind of method and system of business migration.
Background technology
In many frames equipment of communication system, the user newly buys after the master control borad, often need under uninterrupted professional prerequisite partial service be moved on the new master control borad, or moving to another protocol stack from a protocol stack, perhaps from a process migration to another process or the like.
And on router or other communication equipments, professional application process generally is based on socket (socket), socket is the interface between same host application layer and the transport layer, it is the basic operation unit of supporting the network service of TCP/IP (TransferControl Protocol/Integnet Protocol, TCP) agreement.In this case, the problem that runs into is how business to be moved, and socket is also followed and moved on new master control borad, protocol stack and the process.The inventor finds the application process that existing solution can only interrupting service in realizing process of the present invention, on another master control borad, protocol stack and process, restart then, do not satisfy the customer requirements that carries out business migration under the uninterruptedly professional prerequisite like this.
Summary of the invention
The embodiment of the invention provides a kind of method and system of business migration, has realized under the continual prerequisite of business, finishes professional in the migration between the master control borad or between the protocol stack or between the process.
The embodiment of the invention has proposed a kind of method of business migration, comprising:
Former business unit and former socket word cell notify another protocol stack to create new service unit and new socket unit, the positional information that former socket word cell of while is preserved new socket unit;
The data of former business unit are copied to new service unit, and the socket data with former socket word cell copy to new socket unit simultaneously;
Positional information according to new socket unit is moved to new service unit and new socket unit with business from former business unit and former socket word cell;
New service unit is obtained data from new socket unit, closes former business unit and former socket word cell.
Correspondingly, the embodiment of the invention also provides a kind of method of business migration, comprising:
Set up new service unit, and the data of former business unit are copied to new service unit;
Former socket word cell sends data to new service unit, finishes professional migration;
After new service unit is obtained the data of former socket word cell, notify former business unit to close.
Correspondingly, the embodiment of the invention also provides a kind of business migration system, and described system comprises: former business unit, former socket word cell and message Dispatching Unit;
Wherein, former business unit couples with former socket word cell, and it comprises:
The message acquisition module is used for obtaining data the message from former socket word cell;
The business unit creation module is used for the notification protocol stack and creates new service unit;
The data replication module is used for the data that described message acquisition module obtains are copied to the new service unit that described business unit creation module is set up;
Wherein, former socket word cell couples with former business unit and message Dispatching Unit, and it comprises:
The message receiver module is used for obtaining message from the message Dispatching Unit;
Socket unit creation module is used for the notification protocol stack and creates new socket unit, and the positional information of preserving new socket unit, and wherein, described new socket unit and described new service unit couple;
The data backup module is used for the socket data of former socket word cell are copied to new socket unit;
The business migration module is used for the positional information according to described new socket unit, and business is moved to new service unit and new socket unit from former business unit and former socket word cell;
Wherein, the message Dispatching Unit couples with former socket word cell and described new socket unit, is used for sending message according to positional information to former socket word cell or new socket unit.
In sum, the method and system of a kind of business migration that the embodiment of the invention provides, by creating new service unit or/and new socket unit, and the data of former business unit and former socket word cell are copied to new service unit and new socket unit, then business migration is finished professional smoothly moving to new service unit and new socket unit, guaranteed professional not interrupting, thereby guaranteed QoS (Quality of Service, service quality), satisfied user's request.
Description of drawings
Fig. 1 is the system architecture diagram of a kind of business migration of the embodiment of the invention;
Fig. 2 is the structural representation of the described former business unit of Fig. 1;
Fig. 3 is the structural representation of the described former socket word cell of Fig. 1;
Fig. 4 is the structural representation of the described business migration module of Fig. 3;
Fig. 5 is the flow chart of method of a kind of business migration of the embodiment of the invention;
Fig. 6 is the detail flowchart of the described step S3 of Fig. 5;
Fig. 7 is the detail flowchart of the described step S33 of Fig. 6;
Fig. 8 is the flow chart of method of a kind of business migration of the embodiment of the invention;
Fig. 9 is the detail flowchart of the described step S82 of Fig. 8.
Embodiment
The method and system of a kind of business migration that the embodiment of the invention provides, by creating new business unit or new socket unit, and the data of former business unit and former socket word cell are copied to new service unit and new socket unit, then business migration is finished the smooth migration of business to new service unit and new socket unit.
At first elaborate the technical scheme of a kind of business migration system of the embodiment of the invention below in conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 4.
With reference to figure 1, be the system architecture diagram of a kind of business migration of the embodiment of the invention.System comprises according to the described business migration of this figure: former business unit 1, former socket word cell 2 and message Dispatching Unit 3;
Wherein, as shown in Figure 2, former business unit 1 couples with former socket word cell 2, and it comprises:
Message acquisition module 11 is used for obtaining data subsidiary the message from former socket word cell 2;
Business unit creation module 12, be used for the notification protocol stack create new service unit 1 ', if described protocol stack is identical with former business unit place protocol stack, then the business of Shi Xianing is based on the migration between the different business process of same protocol stack process, if described protocol stack is different with former business unit place protocol stack, what then realize is the business migration of striding protocol stack or striding master control borad.
Data replication module 13, be used for the data that described message acquisition module 11 obtains copy to the new service unit 1 that described business unit creation module 12 set up '.
Wherein, as shown in Figure 3, former socket word cell 2 couples with former business unit 1 and message Dispatching Unit 3, is the socket example that former business unit 1 is created when setting up socket, and it comprises:
Message receiver module 21 is used for obtaining message from message Dispatching Unit 3;
Socket unit creation module 22, be used for the notification protocol stack create new socket unit 2 ', and preserve new socket unit 2 ' positional information, wherein, described new socket unit 2 ' with described new service unit 1 ' couple;
Data backup module 23, be used for socket data (comprising configuration data and control data) with former socket word cell 2 copy to new socket unit 2 ';
Business migration module 24, be used for according to described new socket unit 2 ' positional information, with business from former business unit 1 and former socket word cell 2 move to new service unit 1 ' and new socket unit 2 '.
Wherein, message Dispatching Unit 3 with former socket word cell 2 and described new socket unit 2 ' couple, is used for according to positional information being specially to former socket word cell 2 or new socket unit 2 ' transmission message:
Tlv triple during according to the socket Object Creation (comprises three parameter: purpose IP, source IP, protocol number) or five-tuple (comprise five parameter: purpose IP, source IP, protocol number, the destination slogan, source port number) message is distinguished, because the tlv triple of new socket unit or five-tuple and former socket word cell are in full accord, when former socket word cell notice message Dispatching Unit need flow switching, the message Dispatching Unit is the updating location information of new socket unit, and message sent to the protocol stack at place, new socket unit according to the positional information of new socket unit.
When specific implementation, as shown in Figure 4, the business migration module 24 of described former socket word cell 2 specifically can comprise:
Message is delimited control module 241, is used to notify former business unit 1 to report demarcation, and receives the synchronization call information that the demarcation of indication message is finished;
Packet forwarding module 243 is delimited control module 241 with message and is coupled, be used for message delimit finish after to message that new socket unit 2 ' the described message receiver module 21 of forwarding obtains from message Dispatching Unit 3;
Positional information sending module 242, delimiting control module 241 with message couples, be used for message delimit finish after, with new socket unit 2 ' positional information send to message Dispatching Unit 3, message Dispatching Unit 3 receive described new socket unit 2 ' positional information after, to stop to send messages to former socket word cell 2, and according to this positional information to new socket unit 2 ' transmission message.
Correspondingly, former business unit 1 may further include:
Message is delimited module 14, after being used to receive the message demarcation notice of former socket word cell 2, stop to continue to read after controlling described message acquisition module 11 reads a complete message from former socket word cell 2 data, and to former socket word cell 2 transmission synchronization call information, the notice message is delimited and is finished.
Having elaborated the technical scheme of the system of the embodiment of the invention above, is example with service operation based on the socket of TCP below, describes the technical scheme of method of a kind of business migration of the embodiment of the invention in detail in conjunction with Fig. 5, Fig. 6 and Fig. 7.
With reference to figure 5, be the flow chart of method of a kind of business migration of the embodiment of the invention; Described method comprises:
Step S1, the business unit creation module of former business unit and the cover of former socket word cell joint word cell creation module notify another protocol stack to create new service unit and new socket unit, the positional information that former socket word cell of while is preserved new socket unit;
Step S2, the data replication module of former business unit copies to new service unit with the data of former business unit, and simultaneously the courtyard data backup module that connects word cell copies to new socket unit with the socket data of former socket word cell;
Step S3, the business migration module of former socket word cell is moved to new service unit and new socket unit with business from former business unit and former socket word cell according to the positional information of new socket unit;
Step S4, new service unit is obtained data from new socket unit, closes former business unit and former socket word cell.
Wherein, as shown in Figure 6, the described step S3 of Fig. 5 specifically can comprise:
Step S31, the message of former socket word cell delimit control module and notify former business unit to carry out the message demarcation;
Step S32, after former business unit receives message demarcation notification message, after its message demarcation module controls message acquisition module reads a complete message from former socket word cell, no longer continue to read, a concurrent synchronization call information is to former socket word cell, and the notice message is delimited and finished;
Step S33, after the message demarcation control module of former socket word cell receives described synchronization call information, know that message is delimited and finish,, message flow is switched to new service unit and new socket unit from former business unit and former socket word cell according to the positional information of new socket unit.
When specific implementation, as shown in Figure 7, the described step S33 of Fig. 6 specifically comprises:
Step S331, after former socket word cell knows that the message demarcation is finished, stop to send datagram to former business unit, and utilizing packet forwarding module that subsequent packet is forwarded to new socket unit, former business unit utilizes the data replication module that all data real time backups that read are arrived new service unit simultaneously;
Step S332, the positional information sending module of former socket word cell sends to the message Dispatching Unit with the positional information of new socket unit;
Step S333, the message Dispatching Unit sends message according to the positional information of new socket unit to this socket unit;
Step S334, new socket unit sends one to former socket word cell and notifies message behind the message that receives from the message Dispatching Unit;
Step S335, former socket word cell are transmitted to new socket unit with all subsequent packets after receiving and notifying message, and stop to obtain the data of message Dispatching Unit;
Step S336, the message that former socket word cell is sent in new socket unit and merge into a formation from the message of message Dispatching Unit, and the notice new service unit is handled.
More than elaborated the method for a kind of business migration of the embodiment of the invention, solved professional problem of moving between the different agreement stack, the different agreement stack can be on same master control borad certainly, also can be respectively on different master control borads.If two protocol stacks are respectively on two different master control borads, then the embodiment of the invention has been finished professional migration between different master control borads.
Correspondingly, the method for a kind of business migration that the embodiment of the invention proposes can realize professional based on the migration between the different business process of same protocol stack process, and as shown in Figure 8, a kind of method of business migration comprises:
Step S81, the business unit creation module notice place protocol stack of former business unit is set up new service unit, and utilizes the data replication module that the data of former business unit are copied to new service unit;
Step S82, former socket word cell sends data to new service unit, finishes professional migration;
Step S83 after new service unit is obtained the data of former socket word cell, notifies former business unit to close.
Wherein, as shown in Figure 9, the described step S82 of Fig. 8 specifically comprises:
Step S821, the message of former socket word cell delimit control module and notify former business unit to carry out the message demarcation;
Step S822, after former business unit receives notification message, after utilizing its message to delimit module controls message acquisition module to read a complete message, no longer continue to read from former socket word cell, a concurrent synchronization call information is to former socket word cell, and the notice message is delimited and finished;
Step S823, after former socket word cell knows that the message demarcation is finished, stop to send data to former business unit, and utilize packet forwarding module that follow-up data is forwarded to new service unit, the data replication module of former business unit arrives new service unit with all data real time backups that read simultaneously.
What deserves to be explained is, the foregoing description is that example is narrated technical scheme of the present invention with service operation based on the socket of TCP, but be not limited to this, the present invention can realize equally based on User Datagram Protoco (UDP) (UserDatagram Protocol, UDP), initial IP agreement (Raw IP, RAWIP) etc. the business of the socket of agreement is between different agreement stack/master control borad or the migration between the different business process, in the specific implementation process, can delimit processing to UDP message, RAWIP message, also can not delimit processing.
The foregoing description has specifically been set forth a kind of method of business migration of the embodiment of the invention between different agreement stack/master control borad, and the technical scheme of between the different business process, moving, the embodiment of the invention can also realize business units software (the In Service Software Upgrade that uninterruptedly upgrades by business migration, ISSU), specifically can be by described new service unit is upgraded to redaction, then the business on the former business unit of legacy version is moved on the new service unit with redaction by the method for the business migration of embodiment of the invention proposition, in the time of migration data are carried out upgrading processing, after migration is finished, service operation is on the new service unit of redaction, close the former business unit of legacy version, finish edition upgrading.
In sum, the method and system of a kind of business migration that the embodiment of the invention provides, by creating new business unit or/and new socket unit, and the data of former business unit and former socket word cell are copied to new service unit and new socket unit, finish professional different agreement stack between or different master control borad between to new service unit and new socket unit business migration then, and the smooth migration between the different business process, guaranteed professional not interrupting, thereby guaranteed QoS, satisfy user's request, can also utilize the uninterrupted upgrading of the technical scheme realization business unit of the embodiment of the invention simultaneously.
Above disclosed is a kind of preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.

Claims (10)

1. the method for a business migration is characterized in that, comprising:
Former business unit and former socket word cell notify another protocol stack to create new service unit and new socket unit, the positional information that former socket word cell of while is preserved new socket unit;
The data of former business unit are copied to new service unit, and the socket data with former socket word cell copy to new socket unit simultaneously;
Positional information according to new socket unit is moved to new service unit and new socket unit with business from former business unit and former socket word cell;
New service unit is obtained data from new socket unit.
2. the method for claim 1 is characterized in that, the socket data of described former socket word cell comprise: configuration data and control data.
3. method as claimed in claim 1 or 2 is characterized in that, the step of business being moved to new service unit and new socket unit from former business unit and former socket word cell according to the positional information of new socket unit specifically comprises:
Former socket word cell is notified former business unit to carry out message and is delimited;
Former business unit receive message delimit from former socket word cell, read the data of a complete message behind the notification message after, no longer continue to read, a concurrent synchronization call information is to former socket word cell, the notice message is delimited and is finished;
After message is delimited and finished,, message flow is switched to new service unit and new socket unit from former business unit and former socket word cell according to the positional information of new socket unit.
4. method as claimed in claim 3 is characterized in that, the positional information of the new socket of described basis unit specifically comprises message flow from the step that former business unit and former socket word cell switch to new service unit and new socket unit:
Former socket word cell stops to send data to former business unit, and subsequent packet is forwarded to new socket unit after knowing that the message demarcation is finished, and former business unit arrives new service unit with all data real time backups that read simultaneously;
Former socket word cell sends to the message Dispatching Unit with the positional information of new socket unit;
The message Dispatching Unit sends message according to the positional information of new socket unit to this new socket unit;
New socket unit sends one to former socket word cell and notifies message behind the message that receives from the message Dispatching Unit;
Former socket word cell is transmitted to new socket unit with subsequent packet after receiving and notifying message, and stops to obtain the data of message Dispatching Unit;
The message that former socket word cell is sent in new socket unit and merge into a formation from the message of message Dispatching Unit, and the notice new service unit is handled.
5. the method for a business migration is characterized in that, comprising:
Set up new service unit, and the data of former business unit are copied to new service unit;
Former socket word cell sends data to new service unit, finishes professional migration;
After new service unit is obtained the data of former socket word cell, notify former business unit to close.
6. method as claimed in claim 5 is characterized in that, former socket word cell sends message to new service unit, finishes professional migration and specifically comprises:
Former socket word cell is notified former business unit to carry out message and is delimited;
After former business unit receives notification message, read the data of a complete message from former socket word cell after, no longer continue to read, a concurrent synchronization call information is to former socket word cell, the notice message is delimited and is finished;
Former socket word cell stops to send data to former business unit, and follow-up data is forwarded to new service unit after knowing that the message demarcation is finished, and former business unit arrives new service unit with its data real time backup that reads simultaneously.
7. a business migration system is characterized in that, described system comprises: former business unit, former socket word cell and message Dispatching Unit;
Wherein, former business unit couples with former socket word cell, and it comprises:
The message acquisition module is used for obtaining data the message from former socket word cell;
The business unit creation module is used for the notification protocol stack and creates new service unit;
The data replication module is used for the data that described message acquisition module obtains are copied to described new service unit;
Wherein, former socket word cell couples with former business unit and message Dispatching Unit, and it comprises:
The message receiver module is used for obtaining message from the message Dispatching Unit;
Socket unit creation module is used for the notification protocol stack and creates new socket unit, and the positional information of preserving new socket unit, and wherein, described new socket unit and described new service unit couple;
The data backup module is used for the socket data of former socket word cell are copied to described new socket unit;
The business migration module is used for the positional information according to described new socket unit, and business is moved to new service unit and new socket unit from former business unit and former socket word cell;
Wherein, the message Dispatching Unit couples with former socket word cell and described new socket unit, is used for sending message according to positional information to former socket word cell or new socket unit.
8. system as claimed in claim 7 is characterized in that, the business migration module of described former socket word cell comprises:
Message is delimited control module, is used to notify former business unit to report demarcation, and receives the synchronization call information that the demarcation of indication message is finished;
Packet forwarding module is delimited control module with message and is coupled, and is used for message and delimits the message that obtains from the message Dispatching Unit to the described message receiver module of new socket unit forwards after finishing;
The positional information sending module is delimited control module with message and is coupled, be used for message delimit finish after, the positional information of new socket unit is sent to the message Dispatching Unit.
9. system as claimed in claim 8 is characterized in that, described former business unit further comprises:
Message is delimited module, after the message that is used to receive former socket word cell is delimited notice, stops to continue to read after controlling described message acquisition module reads a complete message from former socket word cell data.
10. as any described system of claim 7 to 9, it is characterized in that the socket data of described former socket word cell comprise: configuration data and control data.
CN2007100305546A 2007-09-27 2007-09-27 Method and system for service migration Active CN101399692B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2007100305546A CN101399692B (en) 2007-09-27 2007-09-27 Method and system for service migration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2007100305546A CN101399692B (en) 2007-09-27 2007-09-27 Method and system for service migration

Publications (2)

Publication Number Publication Date
CN101399692A CN101399692A (en) 2009-04-01
CN101399692B true CN101399692B (en) 2011-12-21

Family

ID=40517972

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2007100305546A Active CN101399692B (en) 2007-09-27 2007-09-27 Method and system for service migration

Country Status (1)

Country Link
CN (1) CN101399692B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101673205B (en) * 2009-09-28 2012-07-04 杭州华三通信技术有限公司 Interface board upgrading method and system
CN103139139B (en) * 2011-11-22 2015-11-25 华为技术有限公司 The method and apparatus of business migration between subscriber equipment
CN104811431B (en) * 2014-01-29 2018-01-16 华为技术有限公司 Data package processing method and device based on parallel protocol stack instance
CN105790985B (en) * 2014-12-23 2020-06-16 中兴通讯股份有限公司 Data switching method, first device, second device and system
CN105791007B (en) * 2016-03-01 2019-06-14 中国银联股份有限公司 Banking network access system
CN107294756B (en) * 2016-04-13 2022-03-11 中兴通讯股份有限公司 Automatic service transition method and device
CN110830573B (en) * 2019-11-06 2023-06-02 广东电网有限责任公司广州供电局 Local communication converter and automatic data synchronization method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1502190A (en) * 2001-03-21 2004-06-02 ���ȿ���ͨ�Źɷ����޹�˾ Method for upgrading network server programming conditions, associated system and software product
CN1512377A (en) * 2002-12-31 2004-07-14 联想(北京)有限公司 No.7 layer load equalization method based on socket butt joint in kernel
CN1588923A (en) * 2004-10-18 2005-03-02 北京首信股份有限公司 Method for realizing seamless changing of master and spare service module

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1502190A (en) * 2001-03-21 2004-06-02 ���ȿ���ͨ�Źɷ����޹�˾ Method for upgrading network server programming conditions, associated system and software product
CN1512377A (en) * 2002-12-31 2004-07-14 联想(北京)有限公司 No.7 layer load equalization method based on socket butt joint in kernel
CN1588923A (en) * 2004-10-18 2005-03-02 北京首信股份有限公司 Method for realizing seamless changing of master and spare service module

Also Published As

Publication number Publication date
CN101399692A (en) 2009-04-01

Similar Documents

Publication Publication Date Title
CN101399692B (en) Method and system for service migration
CN102413046B (en) Method for forwarding flow by means of virtual router redundancy protocol backup set and equipment
CN102136930B (en) Version upgrading method and routing equipment
EP2693336A1 (en) Virtual machine administration system, and virtual machine administration method
EP2494798B1 (en) Method and system for wan/wlan unicast and multicast communication
CN100471134C (en) Method, device for upgrading telecommunication equipment and upgrading engine unit
WO2012170226A2 (en) Sychronization of configuration file of virtual application distribution chassis
CN101888304A (en) Updating method, device and system for routing equipment
CN101764738B (en) Backup method supporting TCP protocol connection and device thereof
CN105528272A (en) Server system and related control method thereof
JP2017506472A (en) Graceful restart processing method, apparatus and open flow controller for open flow switch
US10663951B2 (en) Relay device and manufacturing system
CN113556727B (en) Data transmission method and system of cloud equipment based on mobile container
WO2014075216A1 (en) Method and network device for establishing virtual cluster
EP1192755B1 (en) Block-oriented control system on high speed ethernet
CN104601380A (en) Software-defined network controller and host computer information recovery method thereof
CN101651626B (en) Method and device for forwarding traffic
US8411558B1 (en) Stateful home agent recovery protocol (SHARP)
CN103188098A (en) Method, system and device for disaster recovery switching
US20220345872A1 (en) Method and system for controlling id identifier network mobility based on programmable switch
US20220066436A1 (en) Industrial field device replacement system
CN102625162B (en) Method and system for data transmission
JP2010062761A (en) Data communication controller, data communicating method, data communicating system, and data communicating program
US9596129B2 (en) Communication system, control apparatus, communication apparatus, information-relaying method, and program
WO2015101100A1 (en) Network device and service processing method in network

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20201116

Address after: No.1 Yingpan Road, Zhaiji village, Wangting Town, Xiangcheng District, Suzhou City, Jiangsu Province

Patentee after: Suzhou Gonghu precision manufacturing industry development Co.,Ltd.

Address before: Unit 2414-2416, main building, no.371, Wushan Road, Tianhe District, Guangzhou City, Guangdong Province

Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd.

Effective date of registration: 20201116

Address after: Unit 2414-2416, main building, no.371, Wushan Road, Tianhe District, Guangzhou City, Guangdong Province

Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd.

Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen

Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd.

TR01 Transfer of patent right