CN103078964B - A kind of method and apparatus that can make NVC equipment and NVT equipment set up business - Google Patents
A kind of method and apparatus that can make NVC equipment and NVT equipment set up business Download PDFInfo
- Publication number
- CN103078964B CN103078964B CN201210562939.8A CN201210562939A CN103078964B CN 103078964 B CN103078964 B CN 103078964B CN 201210562939 A CN201210562939 A CN 201210562939A CN 103078964 B CN103078964 B CN 103078964B
- Authority
- CN
- China
- Prior art keywords
- equipment
- nvc
- nvt
- message
- static arp
- 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
Landscapes
- Small-Scale Networks (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention provides a kind of NVC of making equipment and can set up with NVT equipment the method and apparatus of business, the method comprises the steps: that A, NVC equipment send PROBE message after reaching the standard grade, the forwarding strategy of this NVC opening of device " terminal Static ARP is preferential "; Are B, NVC equipment receiving the PROBE that carries " terminal Static ARP is preferential " indication information of NVT equipment transmission? after MATCH message, add the Static ARP information of this NVT equipment in this locality; NVC equipment sends RESOLVE message, carries the indication information of " terminal Static ARP is preferential " in " SCOPE " of this RESOLVE message, so that NVT equipment adds the Static ARP information of self according to this indication information. Make to be positioned at by the inventive method NVC equipment and the NVT equipment that same double layer network has different segment IP address and can set up business relations.
Description
Technical field
The present invention relates to field of video monitoring, relate in particular under ONVIF agreement, can make NVC equipment withNVT equipment is set up the method and apparatus of business.
Background technology
Along with the networking application of video monitoring, the division of labor of industrial chain is more and more thinner. Some manufacturer's specializeCamera, some manufacturer's specialize encoding device, some manufacturer may specialize platform etc., then logicalCross integrator and carry out integratedly, offer End-Customer. This industry cooperation pattern, exigenceIndustry provides more and more standardized interface platform. And ONVIF(OpenNetworkVideoInterfaceForum) a kind ofly be just devoted to advance Internet video in security protection by global open interface standardThe agreement of market application, this interface standard will guarantee that the network video product that different vendor produces has mutuallyThe general character.
ONVIF standard card cage is based upon in WEBService standard. WebService is at IP networkUpper use standard (XML, SOAP, WSDL) that open, platform independence is integrated application serviceStandardized method, carrys out data of description structure with XML, describes service with WSDL, comes with SOAPPass-along message. The device type of ONVIF definition comprises: NVT equipment (NETWORKVIDEOTRANSMITTER): Web Video Service end, sends Media Stream, as video encoder EC, networkVideo camera IPC. NVC equipment (NETWORKVIDEOCLIENT): Internet video client,Receiving media stream and control NVT equipment.
For NVT equipment and NVC equipment network, NVC equipment and NVT equipment as shown in Figure 1Be connected by Layer 2 switch, but NVC equipment and each NVT equipment also not all belong to the same network segment.After NVC device discovery NVT equipment, cannot set up business and carry out business pipe with NVT equipmentReason. That is to say, NVC equipment can be found in double layer network by the PROBE message of ONVIFAll NVT equipment, but when the IP address of NVT equipment and NVC equipment does not belong to the same network segmentTime, NVC equipment cannot directly be managed NVT equipment, also cannot set up business with NVT equipment. ExistingMode only have by making the address of NVC equipment and NVT equipment into the same network segment, just can carry out industryBusiness and management. But the method is cumbersome in the time that NVT equipment is more.
Summary of the invention
In view of this, the object of this invention is to provide one can make NVC equipment and NVT equipment set up industryThe method and apparatus of business.
For achieving the above object, the invention provides technical scheme as follows:
Make NVC equipment can set up with NVT equipment a method for business, the method is applied to video prisonIn control network, the NVC equipment of this video surveillance network and NVT equipment are positioned at same double layer network but toolHave the IP address of different segment, the method comprises the steps: that A, NVC equipment send PROBE after reaching the standard gradeMessage, the forwarding strategy of this NVC opening of device " terminal Static ARP is preferential "; B, NVC equipmentAt the PROBE that carries " terminal Static ARP is preferential " indication information that receives the transmission of NVT equipmentAfter MATCH message, add the Static ARP information of this NVT equipment in this locality; NVC equipment sendsRESOLVE message, carries in " SCOPE " of this RESOLVE message that " terminal Static ARP is excellentIndication information first ", so that NVT equipment adds the Static ARP information of self according to this indication information.
Preferably, the Static ARP information of this NVT equipment comprises IP address and MAC Address, instituteState IP address and be carried in PROBEMATCH message, the described MAC of this terminal Static ARP informationAddress is the source MAC of the message of this PROBEMATCH message of carrying.
Preferably, the keepalive mechanism of this NVC equipment use and NVT equipment carries out this terminal Static ARPList item aging: NVC equipment when with the keep-alive failure of NVT equipment by the static state of this NVT equipmentARP list item is aging.
Preferably, this NVC equipment receives after the BYE message of NVT equipment, according to BYE messageSource IP address and source MAC, delete corresponding terminal Static ARP list item.
Make NVC equipment can set up with NVT equipment a method for business, the method is applied to video prisonIn control network, the NVC equipment of this video surveillance network and NVT equipment are positioned at same double layer network but toolHave the IP address of different segment, the method comprises the steps: that A, NVT equipment receiving that NVC establishesAfter the PROBE message that preparation is sent, reply the PROBE that carries " terminal Static ARP is preferential " indication informationMATCH message, so that NVC equipment adds the Static ARP information of self according to this indication information,The indication information that is somebody's turn to do " terminal Static ARP is preferential " is carried at " SCOPE " of PROBEMATCH messageIn; The forwarding strategy of this NVT opening of device " terminal Static ARP is preferential "; B, NVT equipment existReceive the RESOLVE that carries " terminal Static ARP is preferential " indication information that NVC equipment sendsAfter message, add the Static ARP information of this NVC equipment in this locality.
Preferably, the keepalive mechanism of this NVT equipment use and NVC equipment carries out this terminal Static ARPList item aging: NVT equipment when with the keep-alive failure of NVC equipment by the static state of this NVC equipmentARP list item is aging.
Preferably, this NVT equipment is deleted local all NVC equipment of preserving after sending BYE messageStatic ARP list item.
Make NVC equipment can set up with NVT equipment a device for business, this application of installation is supervised in videoOn the NVC equipment of control network, the NVT equipment in this NVC equipment and video surveillance network is positioned at sameOne double layer network but there is the IP address of different segment, this device comprises: Onvif message processing module,After reaching the standard grade for NVC equipment, send PROBE message; For receiving carrying " eventually of NVT equipment transmissionEnd Static ARP is preferential " the PROBEMATCH message of indication information; Be used for sending RESOLVEMessage, carries the instruction of " terminal Static ARP is preferential " in " SCOPE " of this RESOLVE messageInformation, so that NVT equipment adds the Static ARP information of self according to this indication information; ARP module,Be used for according to " terminal Static ARP is preferential " indication information of PROBEMATCH message, at thisGround adds the Static ARP information of this NVT equipment; Forwarding strategy module, for opening " terminal static stateARP is preferential " forwarding strategy.
Preferably, this ARP module obtains this terminal Static ARP letter from PROBEMATCH messageThe IP address of breath, using the source MAC of the message of this PROBEMATCH message of carrying as thisThe MAC Address of terminal Static ARP information.
Make NVC equipment can set up with NVT equipment a device for business, this application of installation is supervised in videoOn the NVT equipment of control network, the NVC equipment in this NVT equipment and video surveillance network is positioned at sameOne double layer network but there is the IP address of different segment, this device comprises: Onvif message processing module,The PROBE message sending for receiving NVC equipment; Carry for replying that " terminal Static ARP is excellentFirst " the PROBEMATCH message of indication information, so that NVC equipment adds according to this indication informationThe Static ARP information of self, the indication information that is somebody's turn to do " terminal Static ARP is preferential " is carried at PROBEIn " SCOPE " of MATCH message; For receiving " the terminal static state of carrying of NVC equipment transmissionARP is preferential " the RESOLVE message of indication information; ARP module, for reporting according to RESOLVE" terminal Static ARP is preferential " indication information in literary composition adds the Static ARP of this NVC equipment in this localityInformation; Forwarding strategy module, for opening the forwarding strategy of " terminal Static ARP is preferential ".
Compared with prior art, above-mentioned technology of the present invention makes to be positioned at same double layer network and has different netsNVC equipment and the NVT equipment of section IP address can be set up business relations.
Brief description of the drawings
Fig. 1 is the networking schematic diagram of a kind of NVT equipment and NVC equipment.
Fig. 2 is an embodiment of the present invention flow chart.
Fig. 3 is NVC equipment and the mutual schematic diagram of NVT equipment of the embodiment of the present invention.
Fig. 4 is the building-block of logic of embodiment of the present invention device.
Detailed description of the invention
In order to solve the problem of mentioning in background technology, for NVC equipment and NVT in Onvif agreementEquipment, the present invention utilizes both in mutual message, to carry indication information at the mutual of device discovery stage,And further generate the Static ARP list item that points to the other side in this locality according to indication information, thereby by staticARP carries out services interconnection. Describe in detail below in conjunction with accompanying drawing.
Ginseng Fig. 2, Fig. 2 is embodiment of the present invention flow chart.
S201, NVC equipment send PROBE message after reaching the standard grade.
S202, NVT equipment, receiving after the PROBE message that NVC equipment sends, are replied and are carried " eventuallyEnd Static ARP is preferential " the PROBEMATCH message of indication information, for NVC equipment basisThis indication information adds the Static ARP information of self;
S203, NVC equipment are receiving carry " terminal Static ARP is preferential " of NVT equipment transmissionAfter the PROBEMATCH message of indication information, add the Static ARP of this NVT equipment in this localityInformation; NVC equipment sends RESOLVE message, in this RESOLVE message, carries " terminal static stateARP is preferential " indication information, add self Static ARP according to this indication information for NVT equipmentInformation.
S204, NVT equipment are receiving carry " terminal Static ARP is preferential " of NVC equipment transmissionAfter the RESOLVE message of indication information, add the Static ARP information of this NVC equipment in this locality,And reply RESOLVEMATCH message to NVC equipment.
On NVC equipment and NVT equipment, open terminal Static ARP preference strategy. Like this by above-mentionedAfter method, in the time that NVC equipment need to send to message with oneself not at the NVT of same network segment equipment,The MAC Address of preferentially inserting NVT according to terminal Static ARP list item, message just can be direct like thisForward and arrive NVT equipment by two layers, and can first do not sent to the gateway device of NVC self. WithThe mode of sample, NVT can directly forward by two layers the NVC equipment that arrives by message.
Further set forth the embodiment of the present invention as an example of the NVC equipment in Fig. 1 network and NVT equipment example.The IP address of NVC equipment is 10.0.0.1, belongs to network segment 10.0.0.0/24; One of them NVT equipment,The IP address of NVT equipment 3 is 20.0.0.2, belongs to network segment 20.0.0.0/24. NVC equipment and NVTEquipment 3 connects by Layer 2 switch, is positioned at same double layer network, but the IP that had separatelyAddress but belongs to the different network segments.
With further reference to Fig. 3, NVC equipment and NVT equipment are all opened the preferential characteristic of Static ARP. NVCEquipment sends PROBE message after reaching the standard grade. The example of the PROBE message that NVC equipment sends is as follows:
NVT equipment is received after the above-mentioned PROBE message of NVC equipment transmission, the PROBE replyingIn the SCOPE of MATCH message, carry the information of " terminal Static ARP is preferential ". Following examplePROBEMATCH message is added " onvif: //www.onvif.org/feature/static_ in SCOPEArp_priority " to represent " terminal Static ARP is preferential ". PROBEMATCH message examples:
NVC equipment is received above-mentioned PROBEMATCH(PM) after message, according in this message " eventuallyEnd Static ARP is preferential " indication information, the Static ARP information of adding this NVT equipment in this locality. ShouldThe IP address of Static ARP information obtains from PM message, as above-mentioned PROBEMATCH message20.0.0.2 in example is the IP address of this NVT equipment. The MAC ground of this Static ARP informationLocation, for carrying the source MAC of this this PM message. Certainly, also can use this PM of carryingThe source IP address of the message of message and source MAC are used as the IP ground of this terminal Static ARP list itemLocation and MAC Address.
NVC equipment is receiving that after the PM message that NVT equipment sends, also needing to send RESOLVE disappearsBreath. Similarly, in order to make NVT equipment equipment can set up local the static state of pointing to NVC equipmentARP information, NVC equipment carries " terminal Static ARP is preferential " in this RESOLVE messageIndication information. The RESOLVE message of following example is added in SCOPE" onvif: //www.onvif.org/feature/static_arp_priority " is to represent that " terminal Static ARP is excellentFirst ". RESOLVE message examples:
NVT equipment is received after this RESOLVE message, according to " the terminal Static ARP in this messagePreferentially " indication information, the Static ARP information of adding NVC equipment in this locality. This Static ARP informationIP address and MAC Address be source IP address and the source MAC of RESOLVE message. NVTEquipment can further be replied RESOLVEMATCH to NVC equipment.
By said method, NVT equipment and NVC equipment have been set up respectively the Static ARP that arrives the other sideList item, therefore, when these two equipment are in same double layer network, NVC equipment can be directly withNVT equipment carries out intercommunication, checks the real-time video information of NVT equipment.
For the Static ARP list item on NVC equipment and NVT equipment, based on NVC equipment and NVTThe keepalive mechanism of equipment carries out the aging of Static ARP list item. In the time arriving keepalive period, NVC equipmentUse keepalive mechanism to carry out keep-alive with NVT equipment, if this keep-alive unsuccessfully exceedes m time, such as m=3,Think the other side's equipment off-line, delete local this Static ARP list item to method, apparatus of preserving.
In the time that NVT equipment prepares to exit network, send BYE message, and further delete local guarantorThe Static ARP list item of all NVC equipment of depositing. NVC equipment is received the BYE message of NVT equipmentAfter, according to the source IP address of BYE message and source MAC, delete the static state of this NVT equipmentARP list item.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all at thisWithin the spirit and principle of invention, any amendment of making, be equal to replacement, improvement etc., all should be included inWithin the scope of protection of the invention.
Claims (10)
1. make NVC equipment can set up with NVT equipment a method for business, the method is applied to videoIn monitor network, the NVC equipment of this video surveillance network and NVT equipment be positioned at same double layer network butThe IP address with different segment, is characterized in that, the method comprises the steps:
A, NVC equipment send PROBE message after reaching the standard grade, this NVC opening of device " terminal Static ARPForwarding strategy preferentially ";
B, NVC equipment are indicated carry " terminal Static ARP is preferential " that receive the transmission of NVT equipmentAfter the PROBEMATCH message of information, add the Static ARP information of this NVT equipment in this locality;NVC equipment sends RESOLVE message, carries " eventually in " SCOPE " of this RESOLVE messageEnd Static ARP is preferential " indication information so that NVT equipment adds self according to this indication informationStatic ARP information, described NVT equipment and NVC equipment carry out services interconnection by Static ARP.
2. the method for claim 1, is characterized in that, the Static ARP of described NVT equipmentInformation comprises IP address and MAC Address, and described IP address is carried at PROBEMATCH message,Described MAC Address is the source MAC of the message of this PROBEMATCH message of carrying.
3. the method for claim 1, is characterized in that, NVC equipment uses and NVT equipmentKeepalive mechanism carry out the aging of this terminal Static ARP list item: NVC equipment with the guarantor of NVT equipmentWhile living unsuccessfully by aging the Static ARP list item of this NVT equipment.
4. the method for claim 1, is characterized in that, NVC equipment is received NVT equipmentAfter BYE message, according to the source IP address of BYE message and source MAC, delete corresponding terminalStatic ARP list item.
5. make NVC equipment can set up with NVT equipment a method for business, the method is applied to videoIn monitor network, the NVC equipment of this video surveillance network and NVT equipment be positioned at same double layer network butThe IP address with different segment, is characterized in that, the method comprises the steps:
A, NVT equipment, receiving after the PROBE message that NVC equipment sends, are replied and are carried " terminalStatic ARP is preferential " the PROBEMATCH message of indication information, so that NVC equipment was according to shouldIndication information adds the Static ARP information of self, is somebody's turn to do the indication information of " terminal Static ARP is preferential "Be carried in " SCOPE " of PROBEMATCH message; This NVT opening of device " terminal static stateARP is preferential " forwarding strategy;
B, NVT equipment refer to carry " terminal Static ARP is preferential " that receive the transmission of NVC equipmentShow after the RESOLVE message of information, add the Static ARP information of this NVC equipment in this locality, instituteState NVT equipment and NVC equipment carries out services interconnection by Static ARP.
6. method as claimed in claim 5, is characterized in that, NVT equipment uses and NVC equipmentKeepalive mechanism carry out the aging of this terminal Static ARP list item: NVT equipment with the guarantor of NVC equipmentWhile living unsuccessfully by aging the Static ARP list item of this NVC equipment.
7. method as claimed in claim 6, is characterized in that, NVT equipment sends after BYE messageDelete the Static ARP list item of local all NVC equipment of preserving.
8. make NVC equipment can set up with NVT equipment a device for business, this application of installation is in lookingOn the NVC equipment of frequency monitor network, the NVT equipment position in this NVC equipment and video surveillance networkIn same double layer network but there is the IP address of different segment, it is characterized in that, this device comprises:
Onvif message processing module, sends PROBE message after reaching the standard grade for NVC equipment; Be used for connecingReceive the PROBEMATCH that carries " terminal Static ARP is preferential " indication information that NVT equipment sendsMessage; Be used for sending RESOLVE message, in " SCOPE " of this RESOLVE message, carry " eventuallyEnd Static ARP is preferential " indication information so that NVT equipment adds self according to this indication informationStatic ARP information;
ARP module, for according to " terminal Static ARP is preferential " of PROBEMATCH messageIndication information, the Static ARP information of adding this NVT equipment in this locality;
Forwarding strategy module, for opening the forwarding strategy of " terminal Static ARP is preferential ", described NVTEquipment and NVC equipment carry out services interconnection by Static ARP.
9. device as claimed in claim 8, is characterized in that, described ARP module is from PROBEIn MATCH message, obtain the IP address of this terminal Static ARP information, will carry this PROBEThe source MAC of the message of MATCH message is as the Static ARP information of this NVT equipmentMAC Address.
10. make NVC equipment can set up with NVT equipment a device for business, this application of installation is in lookingOn the NVT equipment of frequency monitor network, the NVC equipment position in this NVT equipment and video surveillance networkIn same double layer network but there is the IP address of different segment, it is characterized in that, this device comprises:
Onvif message processing module, the PROBE message sending for receiving NVC equipment; Be used for backCarry again the PROBEMATCH message of " terminal Static ARP is preferential " indication information, so that NVCEquipment adds the Static ARP information of self according to this indication information, be somebody's turn to do " terminal Static ARP is preferential "Indication information be carried in " SCOPE " of PROBEMATCH message; Being used for receiving NVC establishesThe RESOLVE message of what preparation was sent carry " terminal Static ARP is preferential " indication information;
ARP module, for indicating according to " terminal Static ARP is preferential " of RESOLVE messageInformation is added the Static ARP information of this NVC equipment in this locality;
Forwarding strategy module, for opening the forwarding strategy of " terminal Static ARP is preferential ", described NVTEquipment and NVC equipment carry out services interconnection by Static ARP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210562939.8A CN103078964B (en) | 2012-12-21 | 2012-12-21 | A kind of method and apparatus that can make NVC equipment and NVT equipment set up business |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210562939.8A CN103078964B (en) | 2012-12-21 | 2012-12-21 | A kind of method and apparatus that can make NVC equipment and NVT equipment set up business |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103078964A CN103078964A (en) | 2013-05-01 |
| CN103078964B true CN103078964B (en) | 2016-05-25 |
Family
ID=48155366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210562939.8A Active CN103078964B (en) | 2012-12-21 | 2012-12-21 | A kind of method and apparatus that can make NVC equipment and NVT equipment set up business |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103078964B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103297532B (en) * | 2013-06-07 | 2017-06-13 | 浙江宇视科技有限公司 | A kind of method for being carried out directly depositing with ONVIF agreements |
| TWI663861B (en) * | 2017-06-21 | 2019-06-21 | 友訊科技股份有限公司 | Method for transmitting message using ONVIF standard to identify network camera and improve transmission quality |
| CN111356017B (en) * | 2018-12-24 | 2022-05-13 | 浙江宇视科技有限公司 | Video monitoring network equipment keep-alive method and device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007062592A1 (en) * | 2005-12-01 | 2007-06-07 | Huawei Technologies Co., Ltd. | A system, a method, and a router device of layer 2 virtual private network for interconnecting point/multi-points and multi-points |
| CN102325197A (en) * | 2011-05-23 | 2012-01-18 | 杭州华三通信技术有限公司 | Method for communication between intranet equipment and internet equipment and network address transformation equipment |
| CN102664788A (en) * | 2012-04-05 | 2012-09-12 | 中兴通讯股份有限公司 | CE dual-homed link protection method in MPLS L3VPN and system thereof |
| WO2012126262A1 (en) * | 2011-03-18 | 2012-09-27 | Hangzhou H3C Technologies Co., Ltd. | Method and apparatus for accessing a private surveillance network through l2tp |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101026591B (en) * | 2007-04-13 | 2010-11-03 | 杭州华三通信技术有限公司 | Network address conflict user inter-access method and route repeating device |
| US8593973B2 (en) * | 2010-03-09 | 2013-11-26 | Juniper Networks, Inc. | Communicating network path and status information in multi-homed networks |
| CN102255790A (en) * | 2010-05-18 | 2011-11-23 | 中兴通讯股份有限公司 | Method and system for informing congestion control information |
| CN102148749B (en) * | 2010-11-05 | 2013-11-06 | 华为技术有限公司 | Method and device for extending switch port |
-
2012
- 2012-12-21 CN CN201210562939.8A patent/CN103078964B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007062592A1 (en) * | 2005-12-01 | 2007-06-07 | Huawei Technologies Co., Ltd. | A system, a method, and a router device of layer 2 virtual private network for interconnecting point/multi-points and multi-points |
| WO2012126262A1 (en) * | 2011-03-18 | 2012-09-27 | Hangzhou H3C Technologies Co., Ltd. | Method and apparatus for accessing a private surveillance network through l2tp |
| CN102325197A (en) * | 2011-05-23 | 2012-01-18 | 杭州华三通信技术有限公司 | Method for communication between intranet equipment and internet equipment and network address transformation equipment |
| CN102664788A (en) * | 2012-04-05 | 2012-09-12 | 中兴通讯股份有限公司 | CE dual-homed link protection method in MPLS L3VPN and system thereof |
Non-Patent Citations (2)
| Title |
|---|
| Web Services Dynamic Discovery (WS-Discovery) Version 1.1;匿名;《OASIS Standard》;20090701;第2，5，6章 * |
| 二层交换机之间的跨网段访问;Cisco网络技术;《http://network.chinabyte.com/42/12309042.shtml》;20120411;第1-3章 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103078964A (en) | 2013-05-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2008061042A3 (en) | Managing aggregation and sending of communications | |
| WO2008130709A3 (en) | Systems, methods, and computer program products for providing service interaction and mediation in a communications network | |
| WO2008067446A3 (en) | Ip based notification of device management operations in a network | |
| JPH11234271A (en) | Remote fault management system using internet | |
| CA3045683C (en) | Producing routing messages for voice over ip communications | |
| CN102811174B (en) | Method for processing monitor service and network video recorder (NVR) | |
| CN103078964B (en) | A kind of method and apparatus that can make NVC equipment and NVT equipment set up business | |
| CN103905251A (en) | Network topology obtaining method and device | |
| CN103701945A (en) | Address translation method and address translation device | |
| CN108303944A (en) | A kind of industrial 4.0 networked systems of injection molding machine and monitoring method | |
| CN110932972A (en) | Data transmission method and device and electronic equipment | |
| CN111479215A (en) | Position information processing method and device, electronic equipment and storage medium | |
| CN103036761B (en) | A kind of tunnel server and client terminal device | |
| WO2016082509A1 (en) | Method and apparatus for detecting connectivity of label switched path | |
| CN104579942A (en) | Network message forwarding method and device | |
| CN101483759A (en) | No center architecture technique implementing method and control process for network video monitoring platform | |
| CN109995651A (en) | A kind of pseudo line establishing method and device | |
| CN104468370A (en) | Multicast data message transmitting method and device | |
| CN104935817A (en) | Remote video monitoring method based on XMPP protocol and system | |
| KR20190113200A (en) | Message server and message processing apparatus including the same | |
| US20160205494A1 (en) | Machine-to-Machine (M2M) oriented service platform interface apparatus and method | |
| CN107835188A (en) | A kind of equipment safety cut-in method and system based on SDN | |
| CN103209124B (en) | Message processing method, device and system | |
| US20160269276A1 (en) | Method for avoiding a loop when forwarding a message, respective communications device and system | |
| CN102142996B (en) | Method and device for identifying physical node in cloud operating system |
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 |