CN106375100A - Multicast realization method and device in video monitoring system - Google Patents
Multicast realization method and device in video monitoring system Download PDFInfo
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- CN106375100A CN106375100A CN201610779669.4A CN201610779669A CN106375100A CN 106375100 A CN106375100 A CN 106375100A CN 201610779669 A CN201610779669 A CN 201610779669A CN 106375100 A CN106375100 A CN 106375100A
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- multicast group
- media stream
- group
- headend equipment
- multicast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/185—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast with management of multicast group membership
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/16—Multipoint routing
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a multicast realization method and device in a video monitoring system. The method and the device are applied to a video management server. According to the video monitoring system, frontend devices in the same network segment share the same IP address. The multicast realization method comprises the steps of receiving configuration information and adding the configuration information to a signal multicast group of the frontend devices; receiving register information sent by the frontend devices through the signal multicast group and recording the signal multicast group and media stream multicast groups of the frontend devices; and informing a client of the corresponding signal multicast group and media stream multicast groups according to the frontend device IDs in a media stream request message, thereby informing the clients of joining the signal multicast group and media stream multicast groups. The device provided by the invention comprises a configuration module, a register module and a multicast management module. According to the method and the device, the multicast of the frontend devices with the same IP address is realized, and a utilization rate of the IP address is improved, thereby facilitating deployment of the IP address.
Description
Technical field
The invention belongs to technical field of video monitoring, method of realizing group broadcasting and dress in more particularly, to a kind of video monitoring system
Put.
Background technology
Classical pim sparse-mode (pim-sm) is the forwarding of one-way tree, and primary multicast flow is sent to rp from source,
Then recipient is transmitted to using shared tree by rp；If rp is not on shortest path tree it may occur that automatically from source to acceptance
The calculating of the shortest path tree of person, and then generate source tree route entry (s, g)；Such behavior may lead to router to safeguard ratio
More source tree route entry (s, g), causes certain system and the occupancy of Internet resources.
The two-way pim of bidirectional pim (bidir-pim) i.e. belongs to a branch and the expansion technique of pim-sm,
The resource occupation problem that pim-sm one-way tree is led to can be optimized.Under bidir-pim operational mode, any source need not be set up
Tree entry (s, g), all of flux of multicast is all forwarded using shared tree, in this mode, does not have any Login message, multicast
Source and recipient are added to same shared tree.Bidir-pim is particularly suitable for multicast source and receives a lot of application of client,
Such as multivideo videoconference.In bidir-pim agreement, the Business Stream of multicast source is forwarded toward rp by unconditional, then by
Rp is forwarded to multiple client computer.Its not demand Login process, eliminates routing device and carries out source shape to a large amount of multicast sources
The resource consumption of state management.Bidir-pim protocol domain only exists (*, g) list item, without (s, g) list item, so again
The substantial amounts of equipment that decreases is because safeguard the resource loss that multicast forwarding list item results in.
But in the video monitoring system based on two-way pim, because headend equipment is relatively more, existing network increases video
During monitoring device, the deployment of ip address is got up can be cumbersome, it is understood that there may be ip address not or address conflict when disposing
Have influence on business.
Content of the invention
It is an object of the invention to provide method of realizing group broadcasting and device in a kind of video monitoring system, apply based on two-way
In the video monitoring system of pim, solve headend equipment more, it is understood that there may be ip address address punching not or when disposing
Prominent the problems such as have influence on business.
To achieve these goals, technical solution of the present invention is as follows:
Method of realizing group broadcasting in a kind of video monitoring system, is applied to video management server, described video monitoring system
The headend equipment of middle same network segment shares one ip address of identical, the configuration corresponding video management server of described headend equipment
Id information and corresponding signaling multicast group and Media Stream multicast group, described headend equipment is added to signaling multicast group after starting
With Media Stream multicast group, in described video monitoring system, method of realizing group broadcasting includes:
Receive configuration information, add the signaling multicast group of described headend equipment；
Receive the registration message that described headend equipment is sent, the signaling group of record headend equipment by described signaling multicast group
Broadcast group and Media Stream multicast group；
Receive client media stream request message, according to the headend equipment id in medium stream request message by corresponding signaling
Multicast group and Media Stream multicast group are informed to client, notify client to add this signaling multicast group and Media Stream multicast group.
Further, method of realizing group broadcasting in described video monitoring system, also includes:
The message that client discharges Media Stream is received by signaling multicast group, and is responded by this signaling multicast group,
Make client send leave group message after receiving response and leave corresponding Media Stream multicast group.
Further, method of realizing group broadcasting in described video monitoring system, also includes:
The headend equipment asked to the member announcement's client in described signaling multicast group and corresponding Media Stream multicast
Group.
The headend equipment of same network segment of the present invention shares one ip address of identical, refers to be in same double layer network
In headend equipment share one ip address of identical.
The signaling multicast group of the headend equipment of described one ip address of shared identical is identical, described shared identical one
The headend equipment of ip address has each independent Media Stream multicast group.
The invention allows for multicast realizes device in a kind of video monitoring system, it is applied to video management server, institute
The headend equipment stating same network segment in video monitoring system shares one ip address of identical, and described headend equipment is configured with corresponding
The id information of video management server and corresponding signaling multicast group and Media Stream multicast group, after described headend equipment starts
It is added to signaling multicast group and Media Stream multicast group, in described video monitoring system, multicast is realized device and included:
Configuration module, for receiving configuration information, adds the signaling multicast group of described headend equipment；
Registering modules, for receiving the registration message that described headend equipment is sent by described signaling multicast group, before record
The signaling multicast group of end equipment and Media Stream multicast group；
Multicast management module, for receiving client media stream request message, according to the front end in medium stream request message
Equipment id informs corresponding signaling multicast group and Media Stream multicast group to client, notifies client to add this signaling multicast group
With Media Stream multicast group.
Further, described multicast management module, is additionally operable to:
The message that client discharges Media Stream is received by signaling multicast group, and is responded by this signaling multicast group,
Make client send leave group message after receiving response and leave corresponding Media Stream multicast group.
Further, described multicast management module, is additionally operable to:
The headend equipment asked to the member announcement's client in described signaling multicast group and corresponding Media Stream multicast
Group.
The present invention proposes method of realizing group broadcasting and device in a kind of video monitoring system, and the ipc in a network segment shares
Video surveillance network is accessed in identical ip address, by completing to set with other in video monitoring based on the multicasting technology of two-way pim
Standby interact.Realize carrying out batch configuration to a collection of ipc of identical ip address by multicast, the ipc in a network segment shares
One ip address of identical, supports, in the multicast networking of two-way pim, to carry out video monitoring service communication in the whole network.The present invention's
Method and device, improves the utilization rate of ip address, is easy to the deployment of ip address, also enables same multicast group equipment simultaneously
Interaction.
Brief description
Fig. 1 is the video monitoring system network based on two-way pim networking；
Fig. 2 is method of realizing group broadcasting flow chart in video monitoring system of the present invention；
Fig. 3 is that in video monitoring system of the present invention, multicast realizes apparatus structure schematic diagram.
Specific embodiment
With reference to the accompanying drawings and examples technical solution of the present invention is described in further details, following examples are not constituted
Limitation of the invention.
, video monitoring system is based on two-way pim networking to the present embodiment taking Fig. 1 as a example, and headend equipment is divided into two groups, is respectively
Ipc group 1 with ip and the ipc group 2 with ip, the corresponding signaling multicast group of ipc group 1 is g_sig1, the corresponding signaling group of ipc group 2
Broadcasting group is g_sig2.Also include client, video management server, storage device and video wall etc. in video monitoring system to set
Standby.
Wherein, before the headend equipment ipc of shared ip address adds video management server, the video of these ipc need to be configured
The id information of management server, the id information of ipc, and corresponding multicast group.The ipc of all same network segments of the present embodiment shares phase
A same unicast ip address, such as the ipc in same double layer network shares one ip address of identical, different double layer networks
In ipc ip address different.The present embodiment ipc factory default disables free arp function, to avoid the network equipment to report arp to rush
Prominent.
When configuring to these ipc, can by direct-connected sign in ipc configured it is also possible to these ipc
On the pc of phase same network segment, setting multicast research tool finds these ipc.Pc sends multicast or broadcast onvif finds message；This
After a little ipc receive multicast discovery message, pc can be sent to relevant information by unicast or multicast.The information of such as response
Including, the type of equipment, mac address, serial number, version etc..Pc is configured to ipc by multicast message, is directed in configuration
Mac address makes a distinction to ipc, arranges the id information of the video management server of these ipc, the id information of ipc, and corresponds to
Multicast group.Because all of ipc has identical ip address, this message passes through multicast or broadcast transmission, logical in message body
Cross the configuration information that each ipc is distinguished in mac address.Concrete configuration is as follows:
| mac | id | g_sig | g_media | vm_id |
| mac_a | id_a | g_sig1 | g_m1 | vm_1 |
| mac_b | id_b | g_sig1 | g_m2 | vm_1 |
Table 1
As shown in table 1, ipc video camera id_a, id_b are located in ipc group 1, and its corresponding signaling group is g_sig1, but point
Media Stream multicast group that Dui Ying be not different.I.e. the ipc of identical ip address shares identical signaling multicast group g_sig, but each ipc
There is the Media Stream multicast group that oneself is independent, i.e. the corresponding value of g_media field.After ipc receives the configuration of pc, send igmp and add
Message, is added in each self-corresponding two multicast group, and checks configuration item when ipc starts, if there is g_sig and g_
Media multicast group configures, then ipc is just automatically added in corresponding multicast group after starting.
Need explanation, the ipc corresponding signaling multicast group of identical ip address can be the same or different, configuration is identical
Signaling multicast group can save Internet resources, the present embodiment taking have identical signaling multicast group as a example illustrates, and phase
There is oneself independent Media Stream multicast group in the present embodiment with the ipc of ip address, one can also be shared in the case of opening
Individual multicast group.
The present embodiment client also needs to sign in video management server, and configures video management server and be added to letter
Make in multicast group g_sig and being configured it is also possible to be directly logged onto video management server.Client passes through username and password
Sign in video management server, the g_sig multicast group of configuration video management server.As Fig. 1, there are two ipc groups with ip,
Its signaling multicast group address is respectively g_sig1 and g_sig2, then need g_sig1 and g_ in configuration on video management server
Two multicast group of sig2.Video management server sends igmp message after receiving the configuration of client and is added to multicast group g_sig1
And g_sig2, the information of listed client is existed on video management server simultaneously.
The headend equipment ipc that the present embodiment shares ip address is added to video management server, and ipc passes through to configure before this
G_sig group sends facility registration message to video management server, and the basic format of message is as follows: (type of message, receiver
Id, equipment id, equipment media groups).
It is that headend equipment ipc is sent to the facility registration message of oneself that video management server is determined by receiver id
Afterwards, by the facility information data-in storehouse of ipc, and these ipc are set to upper line states, as shown in the table:
Table 2
After above-mentioned configuration, ipc, client and video management server just can interact, and realize regarding
Multicast service in frequency monitoring system.
As shown in Fig. 2 method of realizing group broadcasting in a kind of video monitoring system, it is applied to video management server, this video
In monitoring system, the headend equipment of same network segment shares one unicast ip address of identical, according to mac address to described headend equipment
Make a distinction, the configuration id information of the corresponding video management server of described headend equipment and corresponding signaling multicast group and
Media Stream multicast group, described headend equipment is added to signaling multicast group and Media Stream multicast group after starting.The present embodiment video is supervised
In control system, method of realizing group broadcasting includes:
Receive configuration information, add the signaling multicast group of described headend equipment；
The registration message that receiving front-end equipment is sent by signaling multicast group, the signaling multicast group of record headend equipment and matchmaker
Body stream multicast group；
Receive client media stream request message, according to the headend equipment id in medium stream request message by corresponding signaling
Multicast group and Media Stream multicast group are informed to client, notify it to add this signaling multicast group and Media Stream multicast group.
Specifically, client obtains or release specifies the process of the Media Stream of ipc of id as follows:
A kind of embodiment of the present invention, client obtains the Media Stream of the ipc specifying id.Client is to video management service
Device sends medium stream request message, and the Media Stream of the ipc of id is specified in request.Video management server receives client media stream please
Seek message, according to the headend equipment id in medium stream request message by corresponding signaling multicast group and Media Stream multicast group inform to
Client, notifies it to add this signaling multicast group and Media Stream multicast group.
In being embodied as, video management server can also first judge whether to have had user's (client) is requested should
The Media Stream of ipc, if it has, video management server by corresponding for ipc g_sig multicast group and g_media multicast group inform to
Client, and notify client pc to be added to this signaling multicast group and Media Stream multicast group.If it is not, video management service
Device records that the ipc of this id is requested to cross Media Stream, and video management server is by corresponding for ipc g_sig multicast group and g_
Media multicast group is informed to client, and notifies client pc to be added to this signaling multicast group and Media Stream multicast group.
In the same manner, when the Media Stream of ipc of id is specified in client release, when multicast group is left in client release fact, pass through
G_sig multicast group sends message, carries the id information of video management server, indicate that this message is destined to video tube in message
Reason server.Video management server is receiveed the response to client by g_sig multicast group, carries the user of user in message
Name, after client is sent to oneself when receiving leave group message and recognizing from user name, send igmp leave message from
Open g_media multicast group, repeat no more here.
The present embodiment is it is preferable that video management server is also periodically to the member announcement's client in signaling multicast group
The headend equipment asked and corresponding Media Stream multicast group, will following table information announcement to signaling multicast group:
| device_id | g_media | Requestor list |
| id_a | g_m1 | user_1,user_2 |
| id_b | g_m2 | user_3,user_4 |
Table 3
Thus, in this way, ipc, client know that mutually can pass through shared signaling multicast group interacts, and lead to
Cross Media Stream multicast group interactive media stream.
For example carry out batch configuration, when user's (client) needs to carry out batch configuration to ipc, client is being joined
Put the id carrying ipc in message and configuration information, be sent on all of front end ipc by identical g_sig multicast group, front end
Ipc reads one section of configuration that id in message is mated with oneself.And for some general configuration informations, it is possible to use common configuration
Item is unified to be sent, such as time synchronized etc..
For example, the interaction between client device, can be interacted by g_sig group between all of client, or point
The client having broadcast specific ipc is interacted by g_media group, mutually sends Media Stream etc..
As shown in figure 3, with said method accordingly, in a kind of video monitoring system, multicast realizes device, is applied to video
Management server, in this video monitoring system, multicast is realized device and is included:
Configuration module, for receiving configuration information, adds the signaling multicast group of described headend equipment；
Registering modules, for receiving the registration message that described headend equipment is sent by described signaling multicast group, before record
The signaling multicast group of end equipment and Media Stream multicast group；
Multicast management module, for receiving client media stream request message, according to the front end in medium stream request message
Equipment id informs corresponding signaling multicast group and Media Stream multicast group to client, notifies client to add this signaling multicast group
With Media Stream multicast group.
With said method accordingly, in video monitoring system, the headend equipment of same network segment shares one ip address of identical,
Headend equipment is configured with id information and corresponding signaling multicast group and the Media Stream multicast of corresponding video management server
Group, headend equipment is added to signaling multicast group and Media Stream multicast group after starting.
Accordingly, multicast management module, is additionally operable to:
The message that client discharges Media Stream is received by signaling multicast group, and is responded by this signaling multicast group,
Make client send leave group message after receiving response and leave corresponding Media Stream multicast group.
Accordingly, multicast management module, is additionally operable to:
The headend equipment asked to the member announcement's client in described signaling multicast group and corresponding Media Stream multicast
Group.
Implement process with regard to multicast group management module in operation, all have in detail in the description of said method item
Introduction, repeat no more here.
Above example only in order to technical scheme to be described rather than be limited, without departing substantially from the present invention essence
In the case of god and its essence, those of ordinary skill in the art work as and can make various corresponding changes and change according to the present invention
Shape, but these corresponding changes and deformation all should belong to the protection domain of appended claims of the invention.
Claims (10)
1. method of realizing group broadcasting in a kind of video monitoring system, is applied to video management server, in described video monitoring system
The headend equipment of same network segment shares one ip address of identical it is characterised in that configuring the corresponding video tube of described headend equipment
The id information of reason server and corresponding signaling multicast group and Media Stream multicast group, described headend equipment is added to after starting
Signaling multicast group and Media Stream multicast group, in described video monitoring system, method of realizing group broadcasting includes:
Receive configuration information, add the signaling multicast group of described headend equipment；
Receive the registration message that described headend equipment is sent, the signaling multicast group of record headend equipment by described signaling multicast group
With Media Stream multicast group；
Receive client media stream request message, according to the headend equipment id in medium stream request message by corresponding signaling multicast
Group and Media Stream multicast group are informed to client, notify client to add this signaling multicast group and Media Stream multicast group.
2. in video monitoring system according to claim 1 method of realizing group broadcasting it is characterised in that described video monitoring system
Method of realizing group broadcasting in system, also includes:
By signaling multicast group receive client discharge Media Stream message, and responded by this signaling multicast group so that
Client sends leave group message after receiving response and leaves corresponding Media Stream multicast group.
3. in video monitoring system according to claim 1 method of realizing group broadcasting it is characterised in that described video monitoring system
Method of realizing group broadcasting in system, also includes:
The headend equipment asked to the member announcement's client in described signaling multicast group and corresponding Media Stream multicast group.
4. in video monitoring system according to claim 1 method of realizing group broadcasting it is characterised in that before described same network segment
End equipment shares one ip address of identical, refers to that the headend equipment being in same double layer network shares one ip of identical
Address.
5. in video monitoring system according to claim 1 method of realizing group broadcasting it is characterised in that described shared identical
The signaling multicast group of the headend equipment of one ip address is identical, and the headend equipment of described shared one ip address of identical has respectively
From independent Media Stream multicast group.
6. in a kind of video monitoring system, multicast realizes device, is applied to video management server, in described video monitoring system
The headend equipment of same network segment shares one ip address of identical it is characterised in that described headend equipment is configured with corresponding video
The id information of management server and corresponding signaling multicast group and Media Stream multicast group, described headend equipment adds after starting
To signaling multicast group and Media Stream multicast group, in described video monitoring system, multicast is realized device and is included:
Configuration module, for receiving configuration information, adds the signaling multicast group of described headend equipment；
Registering modules, for receiving the registration message that described headend equipment is sent by described signaling multicast group, record front end sets
Standby signaling multicast group and Media Stream multicast group；
Multicast management module, for receiving client media stream request message, according to the headend equipment in medium stream request message
Id informs corresponding signaling multicast group and Media Stream multicast group to client, notifies client to add this signaling multicast group and matchmaker
Body stream multicast group.
7. in video monitoring system according to claim 6, multicast realizes device it is characterised in that described multicast management mould
Block, is additionally operable to:
By signaling multicast group receive client discharge Media Stream message, and responded by this signaling multicast group so that
Client sends leave group message after receiving response and leaves corresponding Media Stream multicast group.
8. in video monitoring system according to claim 6, multicast realizes device it is characterised in that described multicast management mould
Block, is additionally operable to:
The headend equipment asked to the member announcement's client in described signaling multicast group and corresponding Media Stream multicast group.
9. in video monitoring system according to claim 6, multicast realizes device it is characterised in that before described same network segment
End equipment shares one ip address of identical, refers to that the headend equipment being in same double layer network shares one ip of identical
Address.
10. in video monitoring system according to claim 6, multicast realizes device it is characterised in that described shared identical
The headend equipment of an ip address signaling multicast group identical, the headend equipment of described shared one ip address of identical has
Each independent Media Stream multicast group.
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| CN111064589A (en) * | 2018-10-16 | 2020-04-24 | 浙江宇视科技有限公司 | Simple configuration method of UNP client |
| CN111327534A (en) * | 2018-12-13 | 2020-06-23 | 浙江宇视科技有限公司 | Cross-domain unicast-to-multicast transmission method and device |
| CN112423007A (en) * | 2020-11-09 | 2021-02-26 | 杭州叙简科技股份有限公司 | Multicast-based webrtc video stream transmission system |
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| CN111327534A (en) * | 2018-12-13 | 2020-06-23 | 浙江宇视科技有限公司 | Cross-domain unicast-to-multicast transmission method and device |
| CN111327534B (en) * | 2018-12-13 | 2022-06-14 | 浙江宇视科技有限公司 | Cross-domain unicast-to-multicast transmission method and device |
| CN112423007A (en) * | 2020-11-09 | 2021-02-26 | 杭州叙简科技股份有限公司 | Multicast-based webrtc video stream transmission system |
| CN112423007B (en) * | 2020-11-09 | 2022-07-08 | 杭州叙简科技股份有限公司 | Multicast-based webrtc video stream transmission system |
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| CN106375100B (en) | 2019-11-05 |
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