CN110113309B - Resource processing method and device - Google Patents
Resource processing method and device Download PDFInfo
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- CN110113309B CN110113309B CN201910267715.6A CN201910267715A CN110113309B CN 110113309 B CN110113309 B CN 110113309B CN 201910267715 A CN201910267715 A CN 201910267715A CN 110113309 B CN110113309 B CN 110113309B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H—ELECTRICITY
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Abstract
The invention provides a resource processing method and a resource processing device, which are applied to a video network. The method comprises the following steps: when the resource access server initializes, a plurality of bearing controls are initialized; the resource access server receives a resource request based on a video networking protocol, which is sent by a video networking terminal, wherein the resource request comprises a resource identifier; the resource access server pulls the resource data based on the internet protocol corresponding to the resource identification from the resource analysis server; the resource access server selects the bearing control to bear the resource data, encodes the resource data borne by the selected bearing control, and acquires the resource data based on the video networking protocol; and the resource access server returns the resource data based on the video networking protocol to the video networking terminal. The invention initializes the plurality of bearing controls when the resource access server initializes itself, and can directly select the initialized bearing controls to bear the resource data after the resource access server pulls the resource data, thereby improving the processing efficiency of the resource.
Description
Technical Field
The present invention relates to the field of video networking technologies, and in particular, to a resource processing method and a resource processing apparatus.
Background
The development of computer and internet technology provides possibility for integrating various pathological information resources. The integration of the resources has great promoting effect on the development of the pathology subject, and has very important significance on school teaching, scientific research and the improvement of the team level of pathologists.
The user can inquire needed pathology resources from the pathology resource library through the server. After pulling the pathological resources, the server initializes the bearing control for processing the pathological resources. However, initializing the bearer control requires a certain amount of time, thereby reducing the efficiency of processing the pathological resources.
Disclosure of Invention
In view of the above problems, embodiments of the present invention are proposed to provide a resource processing method and a corresponding resource processing apparatus that overcome or at least partially solve the above problems.
In order to solve the above problem, an embodiment of the present invention discloses a resource processing method, which is applied to a video network, wherein the video network includes a video network terminal and a resource access server, and the internet includes a resource analysis server, and the method includes:
the resource access server initializes a plurality of bearing controls when initializing itself;
the resource access server receives a resource request based on a video networking protocol sent by the video networking terminal; the resource request comprises a resource identifier;
the resource access server pulls the resource data based on the internet protocol corresponding to the resource identification from the resource analysis server;
the resource access server selects a bearing control to bear the resource data, codes the resource data borne by the selected bearing control and acquires resource data based on a video networking protocol;
and the resource access server returns the resource data based on the video networking protocol to the video networking terminal.
Optionally, the step of the resource access server pulling the internet protocol-based resource data corresponding to the resource identifier from the resource resolution server includes: the resource access server converts the resource request based on the video networking protocol into a resource request based on an internet protocol and sends the resource request based on the internet protocol to the resource analysis server; and the resource access server receives the resource data based on the internet protocol, which is returned by the resource analysis server and corresponds to the resource identifier.
Optionally, after the step of selecting the bearer control to bearer the resource data by the resource access server, the method further includes: and the resource access server correspondingly binds the selected bearing control with the resource data and marks the state of the selected bearing control as occupied.
Optionally, the method further comprises: and after the resource data is loaded, the resource access server unbinds the selected load bearing control and the resource data, and marks the state of the selected load bearing control as idle.
Optionally, an internet of view server is further included in the internet of view, and the step of returning the resource data based on the internet of view protocol to the terminal of the internet of view by the resource access server includes: the resource access server sends the resource data based on the video networking protocol to the video networking server; and the video network server forwards the resource data based on the video network protocol to the video network terminal according to the downlink communication link distributed to the video network terminal.
Optionally, the step of the resource access server pulling the internet protocol-based resource data corresponding to the resource identifier from the resource resolution server includes: the resource access server pulls the picture stream based on the internet protocol corresponding to the resource identifier from the resource analysis server; the resource access server selects a bearing control to bear the resource data, codes the resource data borne by the selected bearing control and acquires the resource data based on the video networking protocol, and the method comprises the following steps: and the resource access server selects a bearing control to bear the picture stream, encodes the picture stream borne by the selected bearing control and then encapsulates the coded picture stream into a video stream based on a video networking protocol.
On the other hand, the embodiment of the invention also discloses a resource processing device, the device is applied to the video network, the video network comprises a video network terminal and a resource access server, the internet comprises a resource analysis server, and the resource access server comprises:
the initialization module is used for initializing a plurality of bearing controls when the initialization module initializes the bearing controls;
the receiving module is used for receiving a resource request based on a video networking protocol sent by the video networking terminal; the resource request comprises a resource identifier;
the pulling module is used for pulling the resource data based on the internet protocol corresponding to the resource identifier from the resource analysis server;
the acquisition module is used for selecting a bearing control to bear the resource data, coding the resource data borne by the selected bearing control and acquiring the resource data based on the video networking protocol;
and the return module is used for returning the resource data based on the video networking protocol to the video networking terminal.
Optionally, the pulling module includes: the protocol conversion unit is used for converting the resource request based on the video networking protocol into a resource request based on an internet protocol and sending the resource request based on the internet protocol to the resource analysis server; and the data receiving unit is used for receiving the resource data which is returned by the resource analysis server and is based on the internet protocol and corresponding to the resource identifier.
Optionally, the resource access server further includes: and the first processing module is used for correspondingly binding the selected bearing control with the resource data and marking the state of the selected bearing control as occupied.
Optionally, the resource access server further includes: and the second processing module is used for unbinding the selected bearing control and the resource data after the bearing of the resource data is finished, and marking the state of the selected bearing control as idle.
Optionally, an internet of view server is also included in the internet of view; the return module is used for sending the resource data based on the video networking protocol to the video networking server; and the video networking server is used for forwarding the resource data based on the video networking protocol to the video networking terminal according to the downlink communication link distributed to the video networking terminal.
Optionally, the pulling module includes: a picture stream pulling unit, configured to pull the internet protocol-based picture stream corresponding to the resource identifier from the resource resolution server; the acquisition module includes: and the video stream acquisition unit is used for selecting the bearing control to bear the picture stream, encoding the picture stream borne by the selected bearing control and packaging the encoded picture stream into a video stream based on a video networking protocol.
In the embodiment of the invention, a resource access server initializes a plurality of bearing controls when the resource access server initializes itself; the resource access server receives a resource request based on a video networking protocol, which is sent by the video networking terminal, wherein the resource request comprises a resource identifier; the resource access server pulls the resource data based on the internet protocol corresponding to the resource identification from the resource analysis server; the resource access server selects a bearing control to bear the resource data, codes the resource data borne by the selected bearing control and acquires the resource data based on the video networking protocol; and the resource access server returns the resource data based on the video networking protocol to the video networking terminal. Therefore, in the embodiment of the invention, the plurality of bearing controls are initialized when the resource access server initializes the resource access server, the initialized bearing controls can be directly selected to bear the resource data after the resource access server pulls the resource data, and the bearing controls do not need to be initialized after the resource data is pulled, so that the time for initializing the bearing controls is saved, and the resource processing efficiency is improved.
Drawings
FIG. 1 is a schematic networking diagram of a video network of the present invention;
FIG. 2 is a schematic diagram of a hardware architecture of a node server according to the present invention;
fig. 3 is a schematic diagram of a hardware structure of an access switch of the present invention;
fig. 4 is a schematic diagram of a hardware structure of an ethernet protocol conversion gateway according to the present invention;
FIG. 5 is a flowchart illustrating steps of a resource processing method according to an embodiment of the present invention;
fig. 6 is a block diagram of a resource processing apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The video networking is an important milestone for network development, is a real-time network, can realize high-definition video real-time transmission, and pushes a plurality of internet applications to high-definition video, and high-definition faces each other.
The video networking adopts a real-time high-definition video exchange technology, can integrate required services such as dozens of services of video, voice, pictures, characters, communication, data and the like on a system platform on a network platform, such as high-definition video conference, video monitoring, intelligent monitoring analysis, emergency command, digital broadcast television, delayed television, network teaching, live broadcast, VOD on demand, television mail, Personal Video Recorder (PVR), intranet (self-office) channels, intelligent video broadcast control, information distribution and the like, and realizes high-definition quality video broadcast through a television or a computer.
To better understand the embodiments of the present invention, the following description refers to the internet of view:
some of the technologies applied in the video networking are as follows:
network Technology (Network Technology)
Network technology innovation in video networking has improved the traditional Ethernet (Ethernet) to face the potentially huge first video traffic on the network. Unlike pure network packet Switching (PacketSwitching) or network Circuit Switching (Circuit Switching), the technology of the video networking adopts PacketSwitching to meet the demand of Streaming. The video networking technology has the advantages of flexibility, simplicity and low price of packet switching, and simultaneously has the quality and safety guarantee of circuit switching, thereby realizing the seamless connection of the whole network switching type virtual circuit and the data format.
Switching Technology (Switching Technology)
The video network adopts two advantages of asynchronism and packet switching of the Ethernet, eliminates the defects of the Ethernet on the premise of full compatibility, has end-to-end seamless connection of the whole network, is directly communicated with a user terminal, and directly bears an IP data packet. The user data does not require any format conversion across the entire network. The video networking is a higher-level form of the Ethernet, is a real-time exchange platform, can realize the real-time transmission of the whole-network large-scale high-definition video which cannot be realized by the existing Internet, and pushes a plurality of network video applications to high-definition and unification.
Server Technology (Server Technology)
The server technology on the video networking and unified video platform is different from the traditional server, the streaming media transmission of the video networking and unified video platform is established on the basis of connection orientation, the data processing capacity of the video networking and unified video platform is independent of flow and communication time, and a single network layer can contain signaling and data transmission. For voice and video services, the complexity of video networking and unified video platform streaming media processing is much simpler than that of data processing, and the efficiency is greatly improved by more than one hundred times compared with that of a traditional server.
Storage Technology (Storage Technology)
The super-high speed storage technology of the unified video platform adopts the most advanced real-time operating system in order to adapt to the media content with super-large capacity and super-large flow, the program information in the server instruction is mapped to the specific hard disk space, the media content is not passed through the server any more, and is directly sent to the user terminal instantly, and the general waiting time of the user is less than 0.2 second. The optimized sector distribution greatly reduces the mechanical motion of the magnetic head track seeking of the hard disk, the resource consumption only accounts for 20% of that of the IP internet of the same grade, but concurrent flow which is 3 times larger than that of the traditional hard disk array is generated, and the comprehensive efficiency is improved by more than 10 times.
Network Security Technology (Network Security Technology)
The structural design of the video network completely eliminates the network security problem troubling the internet structurally by the modes of independent service permission control each time, complete isolation of equipment and user data and the like, generally does not need antivirus programs and firewalls, avoids the attack of hackers and viruses, and provides a structural carefree security network for users.
Service Innovation Technology (Service Innovation Technology)
The unified video platform integrates services and transmission, and is not only automatically connected once whether a single user, a private network user or a network aggregate. The user terminal, the set-top box or the PC are directly connected to the unified video platform to obtain various multimedia video services in various forms. The unified video platform adopts a menu type configuration table mode to replace the traditional complex application programming, can realize complex application by using very few codes, and realizes infinite new service innovation.
Networking of the video network is as follows:
the video network is a centralized control network structure, and the network can be a tree network, a star network, a ring network and the like, but on the basis of the centralized control node, the whole network is controlled by the centralized control node in the network.
As shown in fig. 1, the video network is divided into an access network and a metropolitan network.
The devices of the access network part can be mainly classified into 3 types: node server, access switch, terminal (including various set-top boxes, coding boards, memories, etc.). The node server is connected to an access switch, which may be connected to a plurality of terminals and may be connected to an ethernet network.
The node server is a node which plays a centralized control function in the access network and can control the access switch and the terminal. The node server can be directly connected with the access switch or directly connected with the terminal.
Similarly, devices of the metropolitan network portion may also be classified into 3 types: a metropolitan area server, a node switch and a node server. The metro server is connected to a node switch, which may be connected to a plurality of node servers.
The node server is a node server of the access network part, namely the node server belongs to both the access network part and the metropolitan area network part.
The metropolitan area server is a node which plays a centralized control function in the metropolitan area network and can control a node switch and a node server. The metropolitan area server can be directly connected with the node switch or directly connected with the node server.
Therefore, the whole video network is a network structure with layered centralized control, and the network controlled by the node server and the metropolitan area server can be in various structures such as tree, star and ring.
The access network part can form a unified video platform (the part in the dotted circle), and a plurality of unified video platforms can form a video network; each unified video platform may be interconnected via metropolitan area and wide area video networking.
Video networking device classification
1.1 devices in the video network of the embodiment of the present invention can be mainly classified into 3 types: server, exchanger (including Ethernet protocol conversion gateway), terminal (including various set-top boxes, code board, memory, etc.). The video network as a whole can be divided into a metropolitan area network (or national network, global network, etc.) and an access network.
1.2 wherein the devices of the access network part can be mainly classified into 3 types: node server, access exchanger (including Ethernet protocol conversion gateway), terminal (including various set-top boxes, coding board, memory, etc.).
The specific hardware structure of each access network device is as follows:
a node server:
as shown in fig. 2, the system mainly includes a network interface module 201, a switching engine module 202, a CPU module 203, and a disk array module 204;
the network interface module 201, the CPU module 203, and the disk array module 204 all enter the switching engine module 202; the switching engine module 202 performs an operation of looking up the address table 205 on the incoming packet, thereby obtaining the direction information of the packet; and stores the packet in a queue of the corresponding packet buffer 206 based on the packet's steering information; if the queue of the packet buffer 206 is nearly full, it is discarded; the switching engine module 202 polls all packet buffer queues for forwarding if the following conditions are met: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero. The disk array module 204 mainly implements control over the hard disk, including initialization, read-write, and other operations on the hard disk; the CPU module 203 is mainly responsible for protocol processing with an access switch and a terminal (not shown in the figure), configuring an address table 205 (including a downlink protocol packet address table, an uplink protocol packet address table, and a data packet address table), and configuring the disk array module 204.
The access switch:
as shown in fig. 3, the network interface module mainly includes a network interface module (a downlink network interface module 301 and an uplink network interface module 302), a switching engine module 303 and a CPU module 304;
wherein, the packet (uplink data) coming from the downlink network interface module 301 enters the packet detection module 305; the packet detection module 305 detects whether the Destination Address (DA), the Source Address (SA), the packet type, and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id) and enters the switching engine module 303, otherwise, discards the stream identifier; the packet (downstream data) coming from the upstream network interface module 302 enters the switching engine module 303; the incoming data packet of the CPU module 304 enters the switching engine module 303; the switching engine module 303 performs an operation of looking up the address table 306 on the incoming packet, thereby obtaining the direction information of the packet; if the packet entering the switching engine module 303 is from the downstream network interface to the upstream network interface, the packet is stored in the queue of the corresponding packet buffer 307 in association with the stream-id; if the queue of the packet buffer 307 is nearly full, it is discarded; if the packet entering the switching engine module 303 is not from the downlink network interface to the uplink network interface, the data packet is stored in the queue of the corresponding packet buffer 307 according to the guiding information of the packet; if the queue of the packet buffer 307 is nearly full, it is discarded.
The switching engine module 303 polls all packet buffer queues and may include two cases:
if the queue is from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queued packet counter is greater than zero; 3) obtaining a token generated by a code rate control module;
if the queue is not from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero.
The rate control module 308 is configured by the CPU module 304, and generates tokens for packet buffer queues from all downstream network interfaces to upstream network interfaces at programmable intervals to control the rate of upstream forwarding.
The CPU module 304 is mainly responsible for protocol processing with the node server, configuration of the address table 306, and configuration of the code rate control module 308.
Ethernet protocol gateway:
as shown in fig. 4, the apparatus mainly includes a network interface module (a downlink network interface module 401 and an uplink network interface module 402), a switching engine module 403, a CPU module 404, a packet detection module 405, a rate control module 408, an address table 406, a packet buffer 407, a MAC adding module 409, and a MAC deleting module 410.
Wherein, the data packet coming from the downlink network interface module 401 enters the packet detection module 405; the packet detection module 405 detects whether the ethernet MAC DA, the ethernet MAC SA, the ethernet length or frame type, the video network destination address DA, the video network source address SA, the video network packet type, and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id); then, the MAC deletion module 410 subtracts MAC DA, MAC SA, length or frame type (2byte) and enters the corresponding receiving buffer, otherwise, discards it;
the downlink network interface module 401 detects the sending buffer of the port, and if there is a packet, obtains the ethernet MAC DA of the corresponding terminal according to the destination address DA of the packet, adds the ethernet MAC DA of the terminal, the MAC SA of the ethernet protocol gateway, and the ethernet length or frame type, and sends the packet.
The other modules in the ethernet protocol gateway function similarly to the access switch.
A terminal:
the system mainly comprises a network interface module, a service processing module and a CPU module; for example, the set-top box mainly comprises a network interface module, a video and audio coding and decoding engine module and a CPU module; the coding board mainly comprises a network interface module, a video and audio coding engine module and a CPU module; the memory mainly comprises a network interface module, a CPU module and a disk array module.
1.3 devices of the metropolitan area network part can be mainly classified into 2 types: node server, node exchanger, metropolitan area server. The node switch mainly comprises a network interface module, a switching engine module and a CPU module; the metropolitan area server mainly comprises a network interface module, a switching engine module and a CPU module.
2. Video networking packet definition
2.1 Access network packet definition
The data packet of the access network mainly comprises the following parts: destination Address (DA), Source Address (SA), reserved bytes, payload (pdu), CRC.
As shown in the following table, the data packet of the access network mainly includes the following parts:
wherein:
the Destination Address (DA) is composed of 8 bytes (byte), the first byte represents the type of the data packet (such as various protocol packets, multicast data packets, unicast data packets, etc.), there are 256 possibilities at most, the second byte to the sixth byte are metropolitan area network addresses, and the seventh byte and the eighth byte are access network addresses;
the Source Address (SA) is also composed of 8 bytes (byte), defined as the same as the Destination Address (DA);
the reserved byte consists of 2 bytes;
the payload part has different lengths according to different types of datagrams, and is 64 bytes if the datagram is various types of protocol packets, and is 32+1024 or 1056 bytes if the datagram is a unicast packet, of course, the length is not limited to the above 2 types;
the CRC consists of 4 bytes and is calculated in accordance with the standard ethernet CRC algorithm.
2.2 metropolitan area network packet definition
The topology of a metropolitan area network is a graph and there may be 2, or even more than 2, connections between two devices, i.e., there may be more than 2 connections between a node switch and a node server, a node switch and a node switch, and a node switch and a node server. However, the metro network address of the metro network device is unique, and in order to accurately describe the connection relationship between the metro network devices, parameters are introduced in the embodiment of the present invention: a label to uniquely describe a metropolitan area network device.
In this specification, the definition of the Label is similar to that of the Label of MPLS (Multi-Protocol Label Switch), and assuming that there are two connections between the device a and the device B, there are 2 labels for the packet from the device a to the device B, and 2 labels for the packet from the device B to the device a. The label is classified into an incoming label and an outgoing label, and assuming that the label (incoming label) of the packet entering the device a is 0x0000, the label (outgoing label) of the packet leaving the device a may become 0x 0001. The network access process of the metro network is a network access process under centralized control, that is, address allocation and label allocation of the metro network are both dominated by the metro server, and the node switch and the node server are both passively executed, which is different from label allocation of MPLS, and label allocation of MPLS is a result of mutual negotiation between the switch and the server.
As shown in the following table, the data packet of the metro network mainly includes the following parts:
namely Destination Address (DA), Source Address (SA), Reserved byte (Reserved), tag, payload (pdu), CRC. The format of the tag may be defined by reference to the following: the tag is 32 bits with the upper 16 bits reserved and only the lower 16 bits used, and its position is between the reserved bytes and payload of the packet.
Based on the characteristics of the video network, the resource processing scheme provided by the embodiment of the invention follows the protocol of the video network, and can improve the resource processing efficiency.
The resource processing method of the embodiment of the invention can be applied to the video network. An internet of view server (which may be the node server described above), an internet of view terminal, and a resource access server may be included in the internet of view. A resource resolution server may be included in the internet.
The terminal of the video network is a terminal for performing services based on the video network protocol, and the terminal of the video network may be various Set Top Boxes (STBs) based on the video network protocol. The video network terminal registers to the video network server to perform normal service, and the video network server allocates a video network number, a Media Access Control (MAC) address and the like for the video network terminal after successful registration. In the video network, each video network terminal can be distinguished through the video network number and the video network MAC address of the video network terminal.
The resource access server can be understood as a gateway, which is responsible for accessing external resources (such as resources on the internet) into the video network, and can realize browsing and controlling the resources on the internet in the video network. The resource access server can be accessed into the video network in the form of a virtual terminal. The resource access server is provided with a virtual terminal, the virtual terminal can perform normal service when being registered on the video network server, and the video network server can allocate a video network number, a video network MAC address and the like for the virtual terminal after successful registration. In the video network, the resource access server can be distinguished by the video network number and the video network MAC address of the virtual terminal.
The resource analysis server can store a large amount of resources and analyze the resources to obtain resource data. The resource resolution server may interact with the resource access server for resource requests, resource data, and the like.
Referring to fig. 5, a flowchart illustrating steps of a resource processing method according to an embodiment of the present invention is shown.
The resource processing method of the embodiment of the invention can comprise the following steps:
The resource access server can perform self initialization after upgrading, restarting and the like. Self-initialization may include initializing its interfaces, parameters, etc.
In the embodiment of the invention, a plurality of bearing controls can be initialized when the resource access server is initialized. Initializing the bearer control may include creating a plurality of bearer controls, initializing an encoder, and the like. The bearing control is used for carrying out operations such as bearing on the resource data pulled from the resource analysis server, and the encoder is used for carrying out operations such as encoding on the resource data carried by the bearing control.
After a plurality of bearer controls are created, each bearer control can be assigned with a unique identifier, and the initial state of each bearer control is marked as idle.
When a user wants to obtain resource data, a resource request can be triggered on the terminal of the video network. For example, a user may input information such as a resource identifier (unique identifier, such as a resource serial number) of a resource to be acquired on the video networking terminal, and click a module such as a query button, thereby triggering a resource request. The resource request may include information such as a resource identifier, an internet of view number (e.g., a master message number) of the resource access server, an internet of view MAC address of the resource access server, an internet of view number of the internet of view terminal, and an internet of view MAC address of the internet of view terminal.
The video networking terminal processes data based on the video networking protocol, so that the video networking terminal encapsulates the resource request based on the video networking protocol to obtain the resource request based on the video networking protocol.
And the data interacted between the video network terminal and the resource access server is forwarded through the video network server. Therefore, the terminal of the video network sends the resource request based on the video network protocol to the server of the video network through the video network, the server of the video network analyzes (for example, decapsulates) the resource request based on the video network protocol to obtain the related information (video network number, video network MAC address and the like) of the resource access server included in the resource request, and the server of the video network sends the resource request based on the video network protocol to the resource access server through the video network according to the related information of the resource access server.
In an alternative embodiment, the video network server may send the video network protocol based resource request to the resource access server over a downlink communication link configured to the resource access server.
In practical applications, the video network is a network with a centralized control function, and includes a master control server (that is, a video network server) and a lower level network device, where the lower level network device includes a terminal (such as a resource access server, a video network terminal), and one of core concepts of the video network is to configure a table by notifying a switching device of a downlink communication link for a current service by the master control server, and then perform transmission of a data packet based on the configured table.
Namely, the communication method in the video network includes:
and the master control server configures the downlink communication link of the current service.
And transmitting the data packet of the current service sent by the source terminal to the target terminal according to the downlink communication link.
In the embodiment of the present invention, configuring the downlink communication link of the current service includes: and informing the switching equipment related to the downlink communication link of the current service to allocate the table.
Further, transmitting according to the downlink communication link includes: the configured table is consulted, and the switching equipment transmits the received data packet through the corresponding port.
In particular implementations, the services include unicast communication services and multicast communication services. Namely, whether multicast communication or unicast communication, the core concept of the table matching-table can be adopted to realize communication in the video network.
As mentioned above, the video network includes an access network portion, in which the master server is a node server and the lower-level network devices include an access switch and a terminal.
For the unicast communication service in the access network, the step of configuring the downlink communication link of the current service by the master server may include the following steps:
and a substep S11, the main control server obtains the downlink communication link information of the current service according to the service request protocol packet initiated by the source terminal, wherein the downlink communication link information includes the downlink communication port information of the main control server and the access switch participating in the current service.
In the substep S12, the main control server sets a downlink port to which a packet of the current service is directed in a packet address table inside the main control server according to the downlink communication port information of the main control server; and sending a port configuration command to the corresponding access switch according to the downlink communication port information of the access switch.
In sub-step S13, the access switch sets the downstream port to which the packet of the current service is directed in its internal packet address table according to the port configuration command.
For the multicast communication service in the access network, the step of the master server obtaining the downlink communication link information of the current service may include the following sub-steps:
in sub-step S21, the main control server obtains a service request protocol packet initiated by the target terminal and applying for the multicast communication service, where the service request protocol packet includes service type information, service content information, and an access network address of the target terminal.
The service content information includes a service number (such as a video network number).
And a substep S22, the main control server extracts the access network address of the source terminal in a preset content-address mapping table according to the service number.
In the substep of S23, the main control server obtains the multicast address corresponding to the source terminal and distributes the multicast address to the target terminal; and acquiring the communication link information of the current multicast service according to the service type information and the access network addresses of the source terminal and the target terminal.
Step 503 may include: the resource access server converts the resource request based on the video networking protocol into a resource request based on an internet protocol and sends the resource request based on the internet protocol to the resource analysis server; and the resource access server receives the resource data based on the internet protocol corresponding to the resource identifier returned by the resource analysis server.
The resource access server and the resource analysis server are interacted based on an internet protocol.
After receiving the resource request based on the video networking protocol, the resource access server analyzes (such as decapsulates) the resource request to obtain a resource request, encapsulates the resource request based on the internet protocol to obtain a resource request based on the internet protocol, and sends the resource request based on the internet protocol to the resource analysis server through the internet.
The resource analysis server analyzes the resource request based on the internet protocol after receiving the resource request to obtain the resource identifier included in the resource request, obtains resource data corresponding to the resource identifier, encapsulates the resource data based on the internet protocol to obtain the resource data based on the internet protocol, and sends the resource data based on the internet protocol to the resource access server through the internet.
In an application scenario, a resource may be a pathological resource, a resource identifier is a pathological resource identifier, a resource analysis server is a picture analysis server, resource data corresponding to the resource identifier acquired by the resource analysis server is a plurality of pictures, and the resource analysis server dynamically returns the plurality of pictures to a resource access server in a picture stream form. Therefore, step 503 may pull the internet protocol based picture stream corresponding to the resource identifier from the resource resolution server for the resource access server.
And 504, the resource access server selects a bearing control to bear the resource data, codes the resource data borne by the selected bearing control, and acquires the resource data based on the video networking protocol.
After receiving the resource data based on the internet protocol returned by the resource analysis server, the resource access server analyzes (for example, decapsulates) the resource data to obtain the resource data. The resource access server needs to utilize the bearing control to bear the resource data. Specifically, the resource access server selects the bearer control with the idle state, which is required by the bearer resource data, from the plurality of bearer controls, and utilizes the selected bearer control to carry the resource data. And after the selected bearing control is used for bearing the resource data, the encoder is used for encoding the borne resource data, and the encoded resource data is encapsulated based on the video networking protocol to obtain the resource data based on the video networking protocol. When the encoded resource data is encapsulated, the packet header of the protocol data packet of the video networking obtained by encapsulation can also carry information such as the video networking number of the resource access server, the video networking MAC address of the resource access server, the video networking number of the video networking terminal, the video networking MAC address of the video networking terminal and the like.
After the resource access server selects the bearing control to bear the resource data, the selected bearing control is correspondingly bound with the resource data (each bearing control is bound with the resource data borne by the bearing control), and the state of the selected bearing control is marked as occupied, so that the bearing control is prevented from being selected subsequently.
And under the application scene that the resource is pathological resource, the resource data is a dynamically returned picture stream. The resource access server can select a bearing control with an idle state for each picture, utilize the selected bearing control to bear the pictures in the picture stream, bind the selected bearing control with the pictures borne by the selected bearing control, mark the state of the selected bearing control as occupied, encode the borne picture stream to obtain a video stream, and encapsulate the encoded video stream based on a video networking protocol to obtain the book bang based on the video networking protocol. Wherein the bearing of the picture may include presenting the picture as a picture.
And 505, the resource access server returns the resource data based on the video networking protocol to the video networking terminal.
And the data interacted between the resource access server and the video network terminal is forwarded through the video network server. Therefore, the video network terminal sends the resource data based on the video network protocol to the video network server through the video network, the video network server analyzes (e.g. decapsulates) the resource data based on the video network protocol to obtain the relevant information (video network number, video network MAC address, etc.) of the video network terminal included in the resource data based on the video network protocol, and the video network server sends the resource data based on the video network protocol to the video network terminal through the video network according to the relevant information of the video network terminal.
In an optional implementation manner, the video networking server may forward the video networking protocol-based resource data to the video networking terminal according to a downlink communication link allocated to the video networking terminal. Specifically, referring to step 502, the video network server sends the resource request based on the video network protocol to the relevant description of the resource access server according to the configured downlink communication link to the resource access server.
And after the resource access server finishes bearing the resource data, the selected bearing control and the resource data are unbound, and the state of the selected bearing control is marked as idle so that the bearing control can be continuously selected in the following.
And under the application scene that the resource is pathological resource, the resource data is a dynamically returned picture stream. The resource access server can select a bearing control with an idle state for each picture, utilize the selected bearing control to bear the pictures in the picture stream, after the pictures are borne, remove the binding between the bearing control bearing the pictures and the pictures, and mark the state of the bearing control as idle.
In the embodiment of the invention, the plurality of bearing controls are initialized when the resource access server initializes the resource access server, the initialized bearing controls can be directly selected to bear the resource data after the resource access server pulls the resource data, and the bearing controls do not need to be initialized after the resource data is pulled, so that the time for initializing the bearing controls is saved, and the resource processing efficiency is improved.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Referring to fig. 6, a block diagram of a resource processing apparatus according to an embodiment of the present invention is shown. The resource processing device of the embodiment of the invention can be applied to the video network, wherein the video network comprises a video network terminal and a resource access server, and the internet comprises a resource analysis server.
The resource processing device of the embodiment of the invention can comprise the following modules:
the resource access server includes:
an initialization module 601, configured to initialize multiple bearer controls when the initialization module initializes itself;
a receiving module 602, configured to receive a resource request based on a video networking protocol sent by the video networking terminal; the resource request comprises a resource identifier;
a pulling module 603, configured to pull, from the resource analysis server, resource data based on an internet protocol corresponding to the resource identifier;
an obtaining module 604, configured to select a bearer control to bear the resource data, encode the resource data borne by the selected bearer control, and obtain resource data based on a video networking protocol;
a returning module 605, configured to return the resource data based on the video networking protocol to the video networking terminal.
In an alternative embodiment, the pulling module 603 includes: the protocol conversion unit is used for converting the resource request based on the video networking protocol into a resource request based on an internet protocol and sending the resource request based on the internet protocol to the resource analysis server; and the data receiving unit is used for receiving the resource data which is returned by the resource analysis server and is based on the internet protocol and corresponding to the resource identifier.
In an optional embodiment, the resource access server further comprises: and the first processing module is used for correspondingly binding the selected bearing control with the resource data and marking the state of the selected bearing control as occupied.
In an optional embodiment, the resource access server further comprises: and the second processing module is used for unbinding the selected bearing control and the resource data after the bearing of the resource data is finished, and marking the state of the selected bearing control as idle.
In an alternative embodiment, an internet of view server is also included in the internet of view; the return module 605 is configured to send the resource data based on the video networking protocol to the video networking server; and the video networking server is used for forwarding the resource data based on the video networking protocol to the video networking terminal according to the downlink communication link distributed to the video networking terminal.
In an alternative embodiment, the pulling module comprises: and the picture stream pulling unit is used for pulling the picture stream based on the internet protocol corresponding to the resource identifier from the resource analysis server. The acquisition module includes: and the video stream acquisition unit is used for selecting the bearing control to bear the picture stream, encoding the picture stream borne by the selected bearing control and packaging the encoded picture stream into a video stream based on a video networking protocol.
In the embodiment of the invention, the plurality of bearing controls are initialized when the resource access server initializes the resource access server, the initialized bearing controls can be directly selected to bear the resource data after the resource access server pulls the resource data, and the bearing controls do not need to be initialized after the resource data is pulled, so that the time for initializing the bearing controls is saved, and the resource processing efficiency is improved.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The above detailed description is provided for a resource processing method and a resource processing apparatus, and the principle and the implementation of the present invention are explained by applying specific examples, and the description of the above embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A resource processing method is applied to a video network, wherein the video network comprises a video network terminal and a resource access server, and the Internet comprises a resource resolution server, and the method comprises the following steps:
the resource access server initializes a plurality of bearing controls when initializing itself;
the resource access server receives a resource request based on a video networking protocol sent by the video networking terminal; the resource request comprises a resource identifier;
the resource access server pulls the resource data based on the internet protocol corresponding to the resource identification from the resource analysis server;
the resource access server selects a bearing control to bear the resource data, codes the resource data borne by the selected bearing control and acquires resource data based on a video networking protocol;
the resource access server returns the resource data based on the video networking protocol to the video networking terminal;
after the step of selecting the bearer control to bear the resource data by the resource access server, the method further includes:
and the resource access server correspondingly binds the selected bearing control with the resource data and marks the state of the selected bearing control as occupied.
2. The method according to claim 1, wherein the step of the resource access server pulling the internet protocol-based resource data corresponding to the resource identifier from the resource resolution server comprises:
the resource access server converts the resource request based on the video networking protocol into a resource request based on an internet protocol and sends the resource request based on the internet protocol to the resource analysis server;
and the resource access server receives the resource data based on the internet protocol, which is returned by the resource analysis server and corresponds to the resource identifier.
3. The method of claim 1, further comprising:
and after the resource data is loaded, the resource access server unbinds the selected load bearing control and the resource data, and marks the state of the selected load bearing control as idle.
4. The method according to claim 1, further comprising an internet of view server in the internet of view, wherein the step of the resource access server returning the resource data based on the internet of view protocol to the terminal of the internet of view comprises:
the resource access server sends the resource data based on the video networking protocol to the video networking server;
and the video network server forwards the resource data based on the video network protocol to the video network terminal according to the downlink communication link distributed to the video network terminal.
5. The method of claim 1,
the step of the resource access server pulling the resource data based on the internet protocol corresponding to the resource identification from the resource analysis server includes:
the resource access server pulls the picture stream based on the internet protocol corresponding to the resource identifier from the resource analysis server;
the resource access server selects a bearing control to bear the resource data, codes the resource data borne by the selected bearing control and acquires the resource data based on the video networking protocol, and the method comprises the following steps:
and the resource access server selects a bearing control to bear the picture stream, encodes the picture stream borne by the selected bearing control and then encapsulates the coded picture stream into a video stream based on a video networking protocol.
6. A resource processing device is applied to a video network, wherein the video network comprises a video network terminal and a resource access server, the internet comprises a resource resolution server, and the resource access server comprises:
the initialization module is used for initializing a plurality of bearing controls when the initialization module initializes the bearing controls;
the receiving module is used for receiving a resource request based on a video networking protocol sent by the video networking terminal; the resource request comprises a resource identifier;
the pulling module is used for pulling the resource data based on the internet protocol corresponding to the resource identifier from the resource analysis server;
the acquisition module is used for selecting a bearing control to bear the resource data, coding the resource data borne by the selected bearing control and acquiring the resource data based on the video networking protocol;
the return module is used for returning the resource data based on the video networking protocol to the video networking terminal;
the resource access server further comprises:
and the first processing module is used for correspondingly binding the selected bearing control with the resource data and marking the state of the selected bearing control as occupied.
7. The apparatus of claim 6, wherein the pulling module comprises:
the protocol conversion unit is used for converting the resource request based on the video networking protocol into a resource request based on an internet protocol and sending the resource request based on the internet protocol to the resource analysis server;
and the data receiving unit is used for receiving the resource data which is returned by the resource analysis server and is based on the internet protocol and corresponding to the resource identifier.
8. The apparatus of claim 7, wherein the resource access server further comprises:
and the second processing module is used for unbinding the selected bearing control and the resource data after the bearing of the resource data is finished, and marking the state of the selected bearing control as idle.
9. The apparatus of claim 7, further comprising an internet of view server in the internet of view;
the return module is used for sending the resource data based on the video networking protocol to the video networking server;
and the video networking server is used for forwarding the resource data based on the video networking protocol to the video networking terminal according to the downlink communication link distributed to the video networking terminal.
10. The apparatus of claim 6,
the pulling module comprises:
a picture stream pulling unit, configured to pull the internet protocol-based picture stream corresponding to the resource identifier from the resource resolution server;
the acquisition module includes:
and the video stream acquisition unit is used for selecting the bearing control to bear the picture stream, encoding the picture stream borne by the selected bearing control and packaging the encoded picture stream into a video stream based on a video networking protocol.
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