CN110430168A - A kind of method and apparatus of data compression - Google Patents
A kind of method and apparatus of data compression Download PDFInfo
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- CN110430168A CN110430168A CN201910606239.6A CN201910606239A CN110430168A CN 110430168 A CN110430168 A CN 110430168A CN 201910606239 A CN201910606239 A CN 201910606239A CN 110430168 A CN110430168 A CN 110430168A
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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
- H04L65/10—Architectures or entities
- H04L65/1013—Network architectures, gateways, control or user entities
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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
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/04—Protocols for data compression, e.g. ROHC
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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Abstract
The embodiment of the invention provides a kind of method and apparatus of data compression, are applied to view networking, which comprises receive the first view networking protocol data that the view networked clients are sent；Wherein, the first view networking protocol data include the first header data and the first message solid data；According to the first header data, the first message solid data is compressed, obtains the second message solid data, and by the second message solid data and the first header data organization at the second view networking protocol data；It is sent to the decompression server depending on networking protocol data by described second depending on networking Core server by described, the compression in view networking to view networking protocol data and decompression is realized, reduces the volume of data in transmission process, improve data transmission efficiency.
Description
Technical field
The present invention relates to view networking technology fields, more particularly to a kind of method and apparatus of data compression.
Background technique
It is the important milestone of network Development depending on networking, is the more advanced form of internet.It is used as real-time network depending on networking,
It can be realized the whole network HD video real-time Transmission that current internet cannot achieve, push numerous Internet applications to HD video
Change, high definition is face-to-face, and the distance for realizing person to person in global range is the distance of a screen.
In the prior art, it will do it frequent data transmission depending on networked terminals, however, the number of each view networked terminals interaction
According to being all the data without overcompression, when transmitted data amount is larger or bandwidth is limited, data transmission bauds is restricted, transmission
Efficiency decline.
Summary of the invention
In view of the above problems, the present invention is proposed in order to provide overcoming the above problem or at least being partially solved above-mentioned ask
A kind of method and apparatus of data compression of topic, comprising:
A kind of method of data compression is applied to view networking, described to be related to regarding networked clients depending on networking, join with the view
The compression service device of net client connection, the view networking Core server connecting with the compression service device are networked with the view
The decompression server of Core server connection, and the view networked server being connect with the decompression server；
The described method includes:
The compression service device receives the first view networking protocol data that the view networked clients are sent；Wherein, described
First view networking protocol data include the first header data and the first message solid data；
The compression service device presses the first message solid data according to the first header data
Contracting, obtains the second message solid data, and by the second message solid data and the first header data organization at
Second view networking protocol data；
The compression service device is sent to described second depending on networking protocol data by described depending on networking Core server
The decompression server；Wherein, the decompression server is used for according to the first message in the second view networking protocol data
Header data decompresses the second message solid data, and the second message solid data after the decompression is sent
To the view networked server.
Optionally, described according to the first header data, the first message solid data is compressed, is obtained
Include: to the step of the second message solid data
Compression algorithm instruction is obtained from the first header data；
It searches the compression algorithm and indicates corresponding targeted compression algorithm；
Using the targeted compression algorithm, the first message solid data is compressed, generates the second message solid data.
It is optionally, described before obtaining the step of compression algorithm indicates in the first header data, further includes:
Parse the first header data；
Whether judge in the first header data comprising compressing mark；
When in the first header data including the compressing mark, execute described from first header
The step of compression algorithm instruction is obtained in data.
Optionally, the first header data include following one or more:
Compressing mark, compression algorithm instruction, virtual terminal number, virtual physical address.
A kind of method of data compression is applied to view networking, described to be related to regarding networked clients depending on networking, join with the view
The compression service device of net client connection, the view networking Core server connecting with the compression service device are networked with the view
The decompression server of Core server connection, and the view networked server being connect with the decompression server；
The described method includes:
The decompression server receives the second view that the compression service device is sent by the view networking Core server
Networking protocol data；Wherein, the second view networking protocol data include the second message solid data and the first header number
It is used to receive the first view networking protocol data that the view networked clients are sent according to, the compression service device, according to described the
The first header data in one view networking protocol carry out the first message solid data in the first view networking protocol
Compression, obtains the second message solid data, and by the second message solid data and the first header data organization
At the second view networking protocol data, institute is sent to depending on networking protocol data by described second depending on networking Core server by described
State decompression server；
The decompression server solves the second message solid data according to the first header data
Pressure, the second message solid data after being decompressed；
The second message solid data after the decompression is sent to view networked server by the decompression server.
Optionally, described according to the first header data, the second message solid data is decompressed, is obtained
The step of the second message solid data after to decompression includes:
Compression algorithm instruction is obtained from the first header data；
It searches the compression algorithm and indicates corresponding target decompression algorithm；
The second message solid data is decompressed using the target decompression algorithm, the second message entity after generating decompression
Data.
It is optionally, described before obtaining the step of compression algorithm indicates in the first header data, further includes:
Parse the first header data；
Whether judge in the first header data comprising compressing mark；
When in the first header data including the compressing mark, execute described from first header
The step of compression algorithm instruction is obtained in data.
Optionally, the first header data include following one or more:
Compressing mark, compression algorithm instruction, virtual terminal number, virtual physical address.
A kind of device of data compression is applied to view networking, described to be related to regarding networked clients depending on networking, join with the view
The compression service device of net client connection, the view networking Core server connecting with the compression service device are networked with the view
The decompression server of Core server connection, and the view networked server being connect with the decompression server；
Described device includes:
First view networking protocol data reception module, the first view networking association sent for receiving the view networked clients
Discuss data；Wherein, the first view networking protocol data include the first header data and the first message solid data；
Second view networking protocol data organisation module, for being reported to described first according to the first header data
Literary solid data is compressed, and obtains the second message solid data, and the second message solid data and described first are reported
Literary header data is organized into the second view networking protocol data；
Second view networking protocol data transmission blocks, for being joined second view by view networking Core server
FidonetFido data are sent to the decompression server；Wherein, the decompression server is used for according to the second view networking protocol
First header data in data decompress the second message solid data, and second after the decompression is reported
Literary solid data is sent to the view networked server.
A kind of device of data compression is applied to view networking, described to be related to regarding networked clients depending on networking, join with the view
The compression service device of net client connection, the view networking Core server connecting with the compression service device are networked with the view
The decompression server of Core server connection, and the view networked server being connect with the decompression server；
Described device includes:
Second view networking protocol data reception module passes through view networking core clothes for receiving the compression service device
The second view networking protocol data that business device is sent；Wherein, the second view networking protocol data include the second message solid data
With the first header data, the compression service device is used to receive the first view networking protocol that the view networked clients are sent
Data, according to the first header data in the first view networking protocol, to first in the first view networking protocol
Message solid data is compressed, and obtains the second message solid data, and by the second message solid data and described first
Header data organization networks second view at the second view networking protocol data, by view networking Core server
Protocol data is sent to the decompression server；
Data acquisition module is decompressed, is used for according to the first header data, to the second message solid data
It is decompressed, the second message solid data after being decompressed；
Data transmission blocks are decompressed, for the second message solid data after the decompression to be sent to view the Internet services
Device.
The embodiment of the present invention has the advantage that
In the embodiment of the present application, the first view networking protocol data sent by receiving view networked clients, wherein the
One view networking protocol data include the first header data and the first message solid data, according to the first header data,
First message solid data is compressed, obtains the second message solid data, and the second message solid data and first are reported
Literary header data is organized into the second view networking protocol data, regards networking protocol number for second by view networking Core server
According to being sent to decompression server, wherein decompression server can be according to the first header in the second view networking protocol data
Data decompress the second message solid data, and the second message solid data after decompression is sent to view the Internet services
Device realizes the compression in view networking to view networking protocol data and decompression, reduces the volume of data in transmission process, mention
High data transmission efficiency.
Detailed description of the invention
It, below will be attached needed in the description of this invention in order to illustrate more clearly of technical solution of the present invention
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without any creative labor, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of networking schematic diagram for view networking that one embodiment of the invention provides；
Fig. 2 is a kind of hardware structural diagram for node server that one embodiment of the invention provides；
Fig. 3 is a kind of hardware structural diagram for access switch that one embodiment of the invention provides；
Fig. 4 is the hardware structural diagram that a kind of Ethernet association that one embodiment of the invention provides turns gateway；
Fig. 5 is a kind of step flow chart of the method for data compression that one embodiment of the invention provides；
Fig. 6 is a kind of connection schematic diagram for view networked devices that one embodiment of the invention provides；
Fig. 7 is the structural block diagram of the method for another data compression that one embodiment of the invention provides；
Fig. 8 is a kind of structural block diagram of the device for data compression that one embodiment of the invention provides；
Fig. 9 is the structural block diagram of the device for another data compression that one embodiment of the invention provides.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.Obviously, described embodiments are some of the embodiments of the present invention, without
It is whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
It is the important milestone of network Development depending on networking, is a real-time network, can be realized HD video real-time Transmission,
Push numerous Internet applications to HD video, high definition is face-to-face.
Real-time high-definition video switching technology is used depending on networking, it can be such as high in a network platform by required service
Clear video conference, Intellectualized monitoring analysis, emergency command, digital broadcast television, delay TV, the Web-based instruction, shows video monitoring
Field live streaming, VOD program request, TV Mail, individual character records (PVR), Intranet (manages) channel by oneself, intelligent video Broadcast Control, information publication
All be incorporated into a system platform etc. services such as tens of kinds of videos, voice, picture, text, communication, data, by TV or
Computer realizes that high-definition quality video plays.
Embodiment in order to enable those skilled in the art to better understand the present invention is introduced to depending on networking below:
Depending on networking, applied portion of techniques is as described below:
Network technology (Network Technology)
Traditional ethernet (Ethernet) is improved depending on the network technology innovation networked, with potential huge on network
Video flow.(Circuit is exchanged different from simple network packet packet switch (Packet Switching) or lattice network
Switching), Streaming demand is met using Packet Switching depending on networking technology.Has grouping depending on networking technology
Flexible, the simple and low price of exchange, is provided simultaneously with the quality and safety assurance of circuit switching, it is virtually electric to realize the whole network switch type
The seamless connection of road and data format.
Switching technology (Switching Technology)
Two advantages of asynchronous and packet switch that Ethernet is used depending on networking eliminate Ethernet under the premise of complete compatible and lack
It falls into, has the end-to-end seamless connection of the whole network, direct user terminal, directly carrying IP data packet.User data is in network-wide basis
It is not required to any format conversion.It is the more advanced form of Ethernet depending on networking, is a real-time exchange platform, can be realized at present mutually
The whole network large-scale high-definition realtime video transmission that networking cannot achieve pushes numerous network video applications to high Qinghua, unitizes.
Server technology (Server Technology)
It is different from traditional server, its Streaming Media depending on the server technology in networking and unified video platform
Transmission be built upon it is connection-oriented on the basis of, data-handling capacity is unrelated with flow, communication time, single network layer energy
Enough transmitted comprising signaling and data.For voice and video business, handled depending on networking and unified video platform Streaming Media
Complexity many simpler than data processing, efficiency substantially increase hundred times or more than traditional server.
Reservoir technology (Storage Technology)
The ultrahigh speed reservoir technology of unified video platform in order to adapt to the media content of vast capacity and super-flow and
Using state-of-the-art real time operating system, the programme information in server instruction is mapped to specific hard drive space, media
Content is no longer pass through server, and moment is directly delivered to user terminal, and user waits typical time less than 0.2 second.It optimizes
Sector distribution greatly reduces the mechanical movement of hard disc magnetic head tracking, and resource consumption only accounts for the 20% of the internet ad eundem IP, but
The concurrent flow greater than 3 times of traditional disk array is generated, overall efficiency promotes 10 times or more.
Network security technology (Network Security Technology)
Depending on the structural design networked by servicing independent licence system, equipment and the modes such as user data is completely isolated every time
The network security problem that puzzlement internet has thoroughly been eradicated from structure, does not need antivirus applet, firewall generally, has prevented black
The attack of visitor and virus, structural carefree secure network is provided for user.
It services innovative technology (Service Innovation Technology)
Business and transmission are fused together by unified video platform, whether single user, private user or a net
The sum total of network is all only primary automatic connection.User terminal, set-top box or PC are attached directly to unified video platform, obtain rich
The multimedia video service of rich colorful various forms.Unified video platform is traditional to substitute with table schema using " menu type "
Complicated applications programming, considerably less code, which can be used, can be realized complicated application, realize the new business innovation of " endless ".
Networking depending on networking is as described below:
It is a kind of central controlled network structure depending on networking, which can be Tree Network, Star network, ring network etc. class
Type, but centralized control node is needed to control whole network in network on this basis.
As shown in Figure 1, being divided into access net and Metropolitan Area Network (MAN) two parts depending on networking.
The equipment of access mesh portions can be mainly divided into 3 classes: node server, access switch, terminal (including various machines
Top box, encoding board, memory etc.).Node server is connected with access switch, and access switch can be with multiple terminal phases
Even, and it can connect Ethernet.
Wherein, node server is the node that centralized control functions are played in access net, can control access switch and terminal.
Node server can directly be connected with access switch, can also directly be connected with terminal.
Similar, the equipment of metropolitan area mesh portions can also be divided into 3 classes: metropolitan area server, node switch, node serve
Device.Metropolitan area server is connected with node switch, and node switch can be connected with multiple node servers.
Wherein, node server is the node server for accessing mesh portions, i.e. node server had both belonged to access wet end
Point, and belong to metropolitan area mesh portions.
Metropolitan area server is the node that centralized control functions are played in Metropolitan Area Network (MAN), can control node switch and node serve
Device.Metropolitan area server can be directly connected to node switch, can also be directly connected to node server.
It can be seen that be entirely a kind of central controlled network structure of layering depending on networking network, and node server and metropolitan area
The network controlled under server can be the various structures such as tree-shaped, star-like, cyclic annular.
Visually claim, access mesh portions can form unified video platform (part in virtual coil), and multiple unified videos are flat
Platform can form view networking；Each unified video platform can be interconnected by metropolitan area and wide area depending on networking.
1, view networked devices classification
1.1 embodiment of the present invention can be mainly divided into 3 classes: server depending on the equipment in networking, interchanger (including ether
Net association turns gateway), terminal (including various set-top boxes, encoding board, memory etc.).Metropolitan Area Network (MAN) can be divided on the whole depending on networking
(or national net, World Wide Web etc.) and access net.
1.2 equipment for wherein accessing mesh portions can be mainly divided into 3 classes: node server, access switch (including ether
Net association turns gateway), terminal (including various set-top boxes, encoding board, memory etc.).
The specific hardware structure of each access network equipment are as follows:
Node server:
As shown in Fig. 2, mainly including Network Interface Module 201, switching engine module 202, CPU module 203, disk array
Module 204；
Wherein, Network Interface Module 201, the Bao Jun that CPU module 203, disk array module 204 are come in enter switching engine
Module 202；Switching engine module 202 look into the operation of address table 205 to the packet come in, to obtain the navigation information of packet；
And the packet is stored according to the navigation information of packet the queue of corresponding pack buffer 206；If the queue of pack buffer 206 is close
It is full, then it abandons；All pack buffer queues of 202 poll of switching engine mould, are forwarded: 1) port if meeting the following conditions
It is less than to send caching；2) the queue package counting facility is greater than zero.Disk array module 204 mainly realizes the control to hard disk, including
The operation such as initialization, read-write to hard disk；CPU module 203 is mainly responsible between access switch, terminal (not shown)
Protocol processes, to address table 205 (including descending protocol packet address table, uplink protocol package address table, data packet addressed table)
Configuration, and, the configuration to disk array module 204.
Access switch:
As shown in figure 3, mainly including Network Interface Module (downstream network interface module 301, uplink network interface module
302), switching engine module 303 and CPU module 304；
Wherein, the packet (upstream data) that downstream network interface module 301 is come in enters packet detection module 305；Packet detection mould
Whether mesh way address (DA), source address (SA), type of data packet and the packet length of the detection packet of block 305 meet the requirements, if met,
It then distributes corresponding flow identifier (stream-id), and enters switching engine module 303, otherwise abandon；Uplink network interface mould
The packet (downlink data) that block 302 is come in enters switching engine module 303；The data packet that CPU module 304 is come in enters switching engine
Module 303；Switching engine module 303 look into the operation of address table 306 to the packet come in, to obtain the navigation information of packet；
If the packet into switching engine module 303 is that downstream network interface is gone toward uplink network interface, in conjunction with flow identifier
(stream-id) packet is stored in the queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full,
It abandons；If the packet into switching engine module 303 is not that downstream network interface is gone toward uplink network interface, according to packet
Navigation information is stored in the data packet queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full,
Then abandon.
All pack buffer queues of 303 poll of switching engine module, are divided to two kinds of situations in embodiments of the present invention:
If the queue is that downstream network interface is gone toward uplink network interface, meets the following conditions and be forwarded: 1)
It is less than that the port sends caching；2) the queue package counting facility is greater than zero；3) token that rate control module generates is obtained；
If the queue is not that downstream network interface is gone toward uplink network interface, meets the following conditions and is forwarded:
1) it is less than to send caching for the port；2) the queue package counting facility is greater than zero.
Rate control module 308 is configured by CPU module 304, to all downlink networks in programmable interval
Interface generates token toward the pack buffer queue that uplink network interface is gone, to control the code rate of forwarded upstream.
CPU module 304 is mainly responsible for the protocol processes between node server, the configuration to address table 306, and,
Configuration to rate control module 308.
Ethernet association turns gateway:
As shown in figure 4, mainly including Network Interface Module (downstream network interface module 401, uplink network interface module
402), switching engine module 403, CPU module 404, packet detection module 405, rate control module 408, address table 406, Bao Huan
Storage 407 and MAC adding module 409, MAC removing module 410.
Wherein, the data packet that downstream network interface module 401 is come in enters packet detection module 405；Packet detection module 405 is examined
Ethernet mac DA, ethernet mac SA, Ethernet length or frame type, the view networking mesh way address of measured data packet
DA, whether meet the requirements depending on networking source address SA, depending on networking data Packet type and packet length, corresponding stream is distributed if meeting
Identifier (stream-id)；Then, MAC DA, MAC SA, length or frame type are subtracted by MAC removing module 410
(2byte), and enter corresponding receive and cache, otherwise abandon；
Downstream network interface module 401 detects the transmission caching of the port, according to the view of packet networking mesh if there is Bao Ze
Address D A knows the ethernet mac DA of corresponding terminal, adds the ethernet mac DA of terminal, Ethernet assists the MAC for turning gateway
SA, Ethernet length or frame type, and send.
The function that Ethernet association turns other modules in gateway is similar with access switch.
Terminal:
It mainly include Network Interface Module, Service Processing Module and CPU module；For example, set-top box mainly connects including network
Mouth mold block, video/audio encoding and decoding engine modules, CPU module；Encoding board mainly includes Network Interface Module, video encoding engine
Module, CPU module；Memory mainly includes Network Interface Module, CPU module and disk array module.
The equipment of 1.3 metropolitan area mesh portions can be mainly divided into 2 classes: node server, node switch, metropolitan area server.
Wherein, node switch mainly includes Network Interface Module, switching engine module and CPU module；Metropolitan area server mainly includes
Network Interface Module, switching engine module and CPU module are constituted.
2, networking data package definition is regarded
2.1 access network data package definitions
Access net data packet mainly include following sections: destination address (DA), source address (SA), reserve bytes,
payload(PDU)、CRC。
As shown in the table, the data packet for accessing net mainly includes following sections:
| DA | SA | Reserved | Payload | CRC |
Wherein:
Destination address (DA) is made of 8 bytes (byte), and first character section indicates type (such as the various associations of data packet
Discuss packet, multicast packet, unicast packet etc.), be up to 256 kinds of possibility, the second byte to the 6th byte is metropolitan area net address,
Seven, the 8th bytes are access net address；
Source address (SA) is also to be made of 8 bytes (byte), is defined identical as destination address (DA)；
Reserve bytes are made of 2 bytes；
The part payload has different length according to the type of different datagrams, is if it is various protocol packages
64 bytes are 32+1024=1056 bytes if it is single group unicast packets words, are not restricted to above 2 kinds certainly；
CRC is made of 4 bytes, and calculation method follows the Ethernet CRC algorithm of standard.
2.2 Metropolitan Area Network (MAN) packet definitions
The topology of Metropolitan Area Network (MAN) is pattern, may there is 2 kinds, connection even of more than two kinds, i.e. node switching between two equipment
It can all can exceed that 2 kinds between machine and node server, node switch and node switch, node switch and node server
Connection.But the metropolitan area net address of metropolitan area network equipment is uniquely, to close to accurately describe the connection between metropolitan area network equipment
System, introduces parameter in embodiments of the present invention: label, uniquely to describe a metropolitan area network equipment.
(Multi-Protocol Label Switch, multiprotocol label are handed over by the definition of label and MPLS in this specification
Change) label definition it is similar, it is assumed that between equipment A and equipment B there are two connection, then data packet from equipment A to equipment B just
There are 2 labels, data packet also there are 2 labels from equipment B to equipment A.Label is divided into label, outgoing label, it is assumed that data packet enters
The label (entering label) of equipment A is 0x0000, and the label (outgoing label) when this data packet leaves equipment A may reform into
0x0001.The networking process of Metropolitan Area Network (MAN) is to enter network process under centralized control, also means that address distribution, the label of Metropolitan Area Network (MAN)
Distribution be all to be dominated by metropolitan area server, node switch, node server be all passively execute, this point with
The label distribution of MPLS is different, and the distribution of the label of MPLS is the result that interchanger, server are negotiated mutually.
As shown in the table, the data packet of Metropolitan Area Network (MAN) mainly includes following sections:
| DA | SA | Reserved | Label | Payload | CRC |
That is destination address (DA), source address (SA), reserve bytes (Reserved), label, payload (PDU), CRC.Its
In, the format of label, which can refer to, such as gives a definition: label is 32bit, wherein high 16bit retains, only with low 16bit, its position
Set is between the reserve bytes and payload of data packet.
Referring to Fig. 5, a kind of step flow chart of the method for data compression of one embodiment of the invention offer is shown, it can be with
It networks applied to view, depending on multiple terminals can be related in networking, such as regards networked clients, compression service device, view networking core clothes
Business device, decompression server and view networked server.
In communication connection, depending on view networked clients, compression service device, the view networking Core server, decompression in networking
Server, and can be sequentially connected depending on networked server, as shown in fig. 6, can connect with compression service device depending on networked clients
It connects, compression service device can be connect by view networking Core server with decompression server, and decompression server can network with view
Server connection.
As an example, compression service device can be used for carrying out data compression to view networking protocol data, depending on core of networking
Server can receive the compressed data of compression service device generation and be forwarded to decompression server, and decompression server can be used for pair
It is compressed to be decompressed depending on networking protocol data, and it is sent to view networked server, such as view networking command scheduling server, view
Networking streaming media server, view networking monitoring Resource Server etc..
Specifically, may include steps of:
Step 501, the compression service device receives the first view networking protocol data that the view networked clients are sent；
Wherein, first may include the first header data and the first message solid data depending on networking protocol data, and
One message solid data can be in the first view networking protocol data, the data in addition to the first header data.
When sending data using view networked clients, user can be operated, as clicking operation key is regarded to instruction
Networked clients send the first view networking protocol data can be to compression service device depending on networked clients in response to user's operation
The first view networking protocol data are sent, so that compression service device receives the data.
Step 502, the compression service device is according to the first header data, to the first message solid data
It is compressed, obtains the second message solid data, and by the second message solid data and the first header data
It is organized into the second view networking protocol data；
As an example, the first header data include following one or more:
Compressing mark, compression algorithm instruction, virtual terminal number, virtual physical address.
Specifically, compressing mark can indicate to compress to depending on networking protocol data, compression algorithm instruction can be identified
The compression algorithm used in compression, virtual terminal number and virtual physical address can identify the logical address of virtual terminal, with
Distinguish different virtual terminals.
After receiving the first view networking protocol data, compression service device can be according to the pressure in the first header data
Compression algorithm mark, compresses the first message solid data, generates the second message solid data, and by the first header number
It is packaged according to being encapsulated with the second message solid data, generates the second view networking protocol data.
It is described according to the first header data in one embodiment of the application, to the first message entity number
According to being compressed, the step of obtaining the second message solid data may include following sub-step:
Sub-step 11 obtains compression algorithm instruction from the first header data；
Compression service device can obtain pressure after receiving the first view networking protocol data from the first header data
Compression algorithm instruction, to determine targeted compression algorithm.
Sub-step 12 searches the compression algorithm and indicates corresponding targeted compression algorithm；
In practical applications, a variety of compression algorithms can be stored in advance in compression service device in the database, and are each
Compression algorithm is arranged compression algorithm and indicates, to distinguish different compression algorithms, when compression service device is from the first header data
After middle acquisition compression algorithm instruction, the compression algorithm can be searched and indicate corresponding targeted compression algorithm.
Sub-step 13 compresses the first message solid data using the targeted compression algorithm, and it is real to generate the second message
Volume data
After determining target algorithm, compression service device can using the targeted compression algorithm to the first message solid data into
Row compression, and data will be obtained after compression as the second message solid data.
In one embodiment of the application, before sub-step 11, can with the following steps are included:
Parse the first header data；Whether judge in the first header data comprising compressing mark；
When in the first header data including the compressing mark, execution is described to be obtained from the first header data
The step of pressure compression algorithm indicates.
In practical applications, compression service device and it is non-required to it is all receive all pressed depending on networking protocol data
Contracting.Compression service device can be to compressing depending on networking protocol data for compression be instructed to, and the view without being instructed to compression joins
This can be forwarded directly to Core server depending on networking protocol data by fidonetFido data, compression service device, be based on this, received
After first view networking protocol data, compression service device can pass through compressing mark, it is determined whether join to the first view received
FidonetFido data are compressed.
For example, view networked clients when transmission first regards networking protocol data, can regard networking protocol data in advance
In header add compressing mark, the first data of instruction need to be compressed, and first are sent to depending on networking protocol data
Compression service device.
After receiving the first view networking protocol data, compression service device can be solved the first header data
Whether analysis, acquisition include the information in the first header data, and judge in the first header data with compression mark
Know, if in the first header data include compressing mark, compression service device can determine the first view networking protocol number
According to being instructed to be compressed, and compression algorithm instruction is obtained from the first header data；If in the first header data
When not comprising compressing mark, then it can determine that this first does not need to compress depending on networking protocol data, and directly send it to
Depending on Core server of networking.
Step 503, the compression service device regards networking protocol number for described second by view networking Core server
According to being sent to the decompression server, wherein the decompression server is used for according in the second view networking protocol data
First header data decompress the second message solid data, and by the second message entity after the decompression
Data are sent to the view networked server.
After generation second regards networking protocol data, compression service device can be sent to view depending on networking protocol data for second
Networking Core server can decompress the data forwarding to decompression server depending on networking Core server.
Server is decompressed after receiving the second view networking protocol data, it can be from second depending on being obtained in networking protocol data
First header data and the second message solid data, and according to the first header data, to the second message solid data
It is decompressed, the data after decompression is sent to view networked server.
In one embodiment of the application, server is decompressed according to the first header data, to the second message solid data
It is decompressed, the step of the second message solid data after being decompressed may include:
Compression algorithm instruction is obtained from the first header data；It searches the compression algorithm and indicates corresponding mesh
Mark decompression algorithm；The second message solid data is decompressed using the target decompression algorithm, the second message after generating decompression
Solid data.
Since different compression algorithms can correspond to different decompression algorithms, it can be deposited in advance in decompression server
A variety of different decompression algorithms are stored up, these decompression algorithms can be corresponding with the compression algorithm in compression service device, so that solution is forced to submit
Decompression calculation in business device can be decompressed to what is compressed through compression service device depending on networking protocol data.
Server is decompressed after getting the second view networking protocol data, pressure can be obtained from the first header data
Compression algorithm instruction determines that compression service device is used when compressing the first message solid data, generating the second message solid data
Compression algorithm, then can in the database, search it is corresponding with the compression algorithm, the second message entity number can be decompressed
According to target decompression algorithm, after determining target decompression algorithm, compression service device can be decompressed using targeted compression algorithm,
The second message solid data after generating decompression.
In another embodiment of the application, decompression server obtains compression algorithm from the first header data
Before the step of instruction, it can also include the following steps:
Parse the first header data；Whether judge in the first header data comprising compressing mark；
When in the first header data including the compressing mark, execution is described to be obtained from the first header data
The step of pressure compression algorithm indicates.
In practice, depending on networking Core server be sent to decompression server be all not depending on networking protocol data by
The data of compression, therefore, decompression server can not to it is all receive all compressed depending on networking protocol data.
Due to may include compressing mark in header depending on networking protocol data through overcompression, it is receiving
To after the second view networking protocol data, decompression server can first be parsed the first header data, and acquisition is included in
Whether the information in the first header data judges with compressing mark in the first header data, if the first heading
When containing compressing mark in portion's data, then it can determine that second depending on networking protocol data is the data through overcompression, solution is forced to submit
Being engaged in device can the further acquisition compression algorithm instruction from the first header data；If not wrapped in the first header data
When containing compressing mark, can then determine received view networking protocol data not through overcompression, and decompressing server can not be to this
It is carried out depending on networking protocol data, directly sends it to view networked server.
In the embodiment of the present application, the first view networking protocol number that view networked clients are sent is received by compression service device
According to；Wherein, the first view networking protocol data include the first header data and the first message solid data, according to the first message
Header data compresses the first message solid data, obtains the second message solid data, and by the second message solid data
With the first header data organization at the second view networking protocol data, the second view is joined by view networking Core server
FidonetFido data are sent to decompression server, wherein decompression server can be according to first in the second view networking protocol data
Header data decompress the second message solid data, and the second message solid data after decompression is sent to view
Networked server realizes the compression in view networking to view networking protocol data and decompression, reduces data in transmission process
Volume, improve data transmission efficiency.
Referring to Fig. 7, a kind of step flow chart of the method for data compression of one embodiment of the invention offer is shown, it can be with
It networks applied to view, depending on the compression service device for regarding networked clients, connecting with depending on networked clients and pressure can be related in networking
The view networking Core server of contracting server connection, with depending on the decompression server that connect of Core server of networking, and with decompression
The view networked server of server connection.
Specifically, may include steps of:
Step 701, the decompression server receives the compression service device and is sent by view networking Core server
Second view networking protocol data；Wherein, the second view networking protocol data include the second message solid data and the first report
Literary header data, the compression service device are used to receive the first view networking protocol data that the view networked clients are sent, root
According to the first header data in the first view networking protocol, to the first message entity in the first view networking protocol
Data are compressed, and obtain the second message solid data, and by the second message solid data and first header
Data organization regards networking protocol data for described second at the second view networking protocol data, by view networking Core server
It is sent to the decompression server；
Step 702, the decompression server is according to the first header data, to the second message solid data
It is decompressed, the second message solid data after being decompressed；
Step 703, the second message solid data after the decompression is sent to view the Internet services by the decompression server
Device.
In the embodiment of the present application, the first view networking protocol number that view networked clients are sent is received by compression service device
According to；Wherein, the first view networking protocol data include the first header data and the first message solid data, according to the first message
Header data compresses the first message solid data, obtains the second message solid data, and by the second message solid data
With the first header data organization at the second view networking protocol data, the second view is joined by view networking Core server
FidonetFido data are sent to decompression server, and decompression server is according to the first header number in the second view networking protocol data
According to, the second message solid data is decompressed, and the second message solid data after decompression is sent to view networked server,
The compression in view networking to view networking protocol data and decompression are realized, the volume of data in transmission process is reduced, is improved
Data transmission efficiency.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method
It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to
According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented
Necessary to example.
Referring to Fig. 8, a kind of structural block diagram of the device of data compression of one embodiment of the invention offer, Ke Yiying are shown
It networks for regarding, is taken depending on the compression service device that can be related to regarding networked clients, connecting with depending on networked clients of networking, with compression
The view networking Core server of business device connection, the decompression server being connect with depending on networking Core server, and serviced with decompression
The view networked server of device connection
Specifically, may include following module:
First view networking protocol data reception module 801, the first view connection sent for receiving the view networked clients
FidonetFido data；Wherein, the first view networking protocol data include the first header data and the first message solid data；
Second view networking protocol data organisation module 802, is used for according to the first header data, to described first
Message solid data is compressed, and obtains the second message solid data, and by the second message solid data and described first
Header data organization is at the second view networking protocol data；
Second view networking protocol data transmission blocks 803, for passing through view networking Core server for described second
The decompression server is sent to depending on networking protocol data；Wherein, the decompression server is used to be networked according to second view
First header data in protocol data decompress the second message solid data, and by after the decompression
Two message solid datas are sent to the view networked server.
In one embodiment of the application, second depending on networking protocol data organisation module 802 may include following submodule:
Compression algorithm instruction compression acquisition submodule, refers to for obtaining compression algorithm from the first header data
Show；
Targeted compression algorithm searches submodule, indicates corresponding targeted compression algorithm for searching the compression algorithm；
Second message solid data generates submodule, for using the targeted compression algorithm, compresses first message
Solid data generates the second message solid data.
In one embodiment of the application, second depending on networking protocol data organisation module 802 can also include following submodule:
First header data compression analyzing sub-module, for parsing the first header data；
Whether compressing mark compresses judging submodule, for judging in the first header data comprising compression mark
Know；
Submodule is searched in compression algorithm instruction compression, is marked for working as in the first header data comprising the compression
When knowledge, compression algorithm instruction compression acquisition submodule is called.
In one embodiment of the application, the first header data include following one or more:
Compressing mark, compression algorithm instruction, virtual terminal number, virtual physical address.
Referring to Fig. 9, a kind of structural block diagram of the device of data compression of one embodiment of the invention offer is provided, is applied to
Depending on networking, depending on the compression service device that can be related to regarding networked clients, connecting with depending on networked clients and the compression service device of networking
The view networking Core server of connection, the decompression server being connect with depending on networking Core server, and connect with decompression server
The view networked server connect；
Specifically, may include following module:
Second view networking protocol data reception module 901 passes through view networking core for receiving the compression service device
The second view networking protocol data that central server is sent；Wherein, the second view networking protocol data include the second message entity
Data and the first header data, the compression service device are used to receive the first view networking that the view networked clients are sent
Protocol data, according to the first header data in the first view networking protocol, in the first view networking protocol
First message solid data is compressed, and obtains the second message solid data, and by the second message solid data and described
First header data organization is regarded depending on networking Core server by described second at the second view networking protocol data by described
Networking protocol data are sent to the decompression server；
Data acquisition module 902 is decompressed, is used for according to the first header data, to the second message entity number
According to being decompressed, the second message solid data after being decompressed；
Data transmission blocks 903 are decompressed, for the second message solid data after the decompression to be sent to view networking clothes
Business device.
In one embodiment of the application, decompression data acquisition module 902 may include following submodule:
Compression algorithm instruction decompression acquisition submodule, refers to for obtaining compression algorithm from the first header data
Show；
Target decompression algorithm searches submodule, calculates for searching the corresponding target decompression of the compression algorithm sign
Method；
Second message solid data decompresses submodule, real for decompressing second message using the target decompression algorithm
Volume data, the second message solid data after generating decompression.
In one embodiment of the application, decompression data acquisition module 902 can also include following submodule:
First header data decompression analyzing sub-module, for parsing the first header data；
Whether compressing mark decompresses judging submodule, for judging in the first header data comprising compression mark
Know；
Compression algorithm instruction decompression searches submodule, marks for working as in the first header data comprising the compression
When knowledge, compression algorithm instruction decompression acquisition submodule is called.
In one embodiment of the application, the first header data include following one or more:
Compressing mark, compression algorithm instruction, virtual terminal number, virtual physical address.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
One embodiment of the invention additionally provides electronic equipment, may include processor, memory and storage on a memory
And the computer program that can be run on a processor, the side of data compression as above is realized when computer program is executed by processor
The step of method.
One embodiment of the invention additionally provides computer readable storage medium, stores and calculates on computer readable storage medium
Machine program, the step of method of data compression as above is realized when computer program is executed by processor.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of method and apparatus of data compression provided by the present invention, it is described in detail, answers herein
With a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to help to manage
Solve method and its core concept of the invention；At the same time, for those skilled in the art, according to the thought of the present invention, In
There will be changes in specific embodiment and application range, in conclusion the content of the present specification should not be construed as to this hair
Bright limitation.
Claims (10)
1. a kind of method of data compression, which is characterized in that be applied to view networking, it is described view networking be related to view networked clients,
With the compression service device being connect depending on networked clients, the view being connect with the compression service device networking Core server, with
The decompression server of the view networking Core server connection, and the view networked server being connect with the decompression server；
The described method includes:
The compression service device receives the first view networking protocol data that the view networked clients are sent；Wherein, described first
It include the first header data and the first message solid data depending on networking protocol data；
The compression service device compresses the first message solid data, obtains according to the first header data
To the second message solid data, and by the second message solid data and the first header data organization at the second view
Networking protocol data；
The compression service device by it is described depending on networking Core server by described second view networking protocol data be sent to described in
Decompress server；Wherein, the decompression server is used for according to the first header in the second view networking protocol data
Data decompress the second message solid data, and the second message solid data after the decompression is sent to institute
State view networked server.
2. the method according to claim 1, wherein described according to the first header data, to described
The step of first message solid data is compressed, obtains the second message solid data include:
Compression algorithm instruction is obtained from the first header data；
It searches the compression algorithm and indicates corresponding targeted compression algorithm；
Using the targeted compression algorithm, the first message solid data is compressed, generates the second message solid data.
3. according to the method described in claim 2, it is characterized in that, described obtain compression from the first header data
Before the step of algorithm indicates, further includes:
Parse the first header data；
Whether judge in the first header data comprising compressing mark；
When in the first header data including the compressing mark, execute described from the first header data
The step of middle acquisition compression algorithm indicates.
4. method according to claim 1 or 2 or 3, which is characterized in that the first header data include following one
Item is multinomial:
Compressing mark, compression algorithm instruction, virtual terminal number, virtual physical address.
5. a kind of method of data compression, which is characterized in that be applied to view networking, it is described view networking be related to view networked clients,
With the compression service device being connect depending on networked clients, the view being connect with the compression service device networking Core server, with
The decompression server of the view networking Core server connection, and the view networked server being connect with the decompression server；
The described method includes:
The decompression server receives the second view networking that the compression service device is sent by the view networking Core server
Protocol data；Wherein, the second view networking protocol data include the second message solid data and the first header data, institute
The first view networking protocol data that compression service device is sent for receiving the view networked clients are stated, are joined according to first view
The first header data in fidonetFido are compressed to described first depending on the first message solid data in networking protocol,
The second message solid data is obtained, and by the second message solid data and the first header data organization at second
Depending on networking protocol data, the decompression is sent to depending on networking protocol data by described second depending on networking Core server by described
Server；
The decompression server decompresses the second message solid data, obtains according to the first header data
The second message solid data after to decompression；
The second message solid data after the decompression is sent to view networked server by the decompression server.
6. according to the method described in claim 5, it is characterized in that, described according to the first header data, to described
The step of second message solid data is decompressed, the second message solid data after being decompressed include:
Compression algorithm instruction is obtained from the first header data；
It searches the compression algorithm and indicates corresponding target decompression algorithm；
The second message solid data is decompressed using the target decompression algorithm, the second message entity number after generating decompression
According to.
7. according to the method described in claim 6, it is characterized in that, described obtain compression from the first header data
Before the step of algorithm indicates, further includes:
Parse the first header data；
Whether judge in the first header data comprising compressing mark；
When in the first header data including the compressing mark, execute described from the first header data
The step of middle acquisition compression algorithm indicates.
8. according to method described in claim 5 or 6 or 7, which is characterized in that the first header data include following one
Item is multinomial:
Compressing mark, compression algorithm instruction, virtual terminal number, virtual physical address.
9. a kind of device of data compression, which is characterized in that be applied to view networking, it is described view networking be related to view networked clients,
With the compression service device being connect depending on networked clients, the view being connect with the compression service device networking Core server, with
The decompression server of the view networking Core server connection, and the view networked server being connect with the decompression server；
Described device includes:
First view networking protocol data reception module, the first view networking protocol number sent for receiving the view networked clients
According to；Wherein, the first view networking protocol data include the first header data and the first message solid data；
Second view networking protocol data organisation module, is used for according to the first header data, real to first message
Volume data is compressed, and obtains the second message solid data, and by the second message solid data and first heading
Portion's data organization is at the second view networking protocol data；
Second view networking protocol data transmission blocks, for regarding networking association for described second by view networking Core server
View data are sent to the decompression server；Wherein, the decompression server is used for according to the second view networking protocol data
In the first header data, the second message solid data is decompressed, and the second message after the decompression is real
Volume data is sent to the view networked server.
10. a kind of device of data compression, which is characterized in that be applied to view networking, it is described view networking be related to view networked clients,
With the compression service device being connect depending on networked clients, the view being connect with the compression service device networking Core server, with
The decompression server of the view networking Core server connection, and the view networked server being connect with the decompression server；
Described device includes:
Second view networking protocol data reception module passes through view networking Core server for receiving the compression service device
The the second view networking protocol data sent；Wherein, the second view networking protocol data include the second message solid data and the
One header data, the compression service device are used to receive the first view networking protocol number that the view networked clients are sent
According to according to the first header data in the first view networking protocol, to the first report in the first view networking protocol
Literary solid data is compressed, and obtains the second message solid data, and the second message solid data and described first are reported
Literary header data is organized into the second view networking protocol data, is assisted the second view networking by view networking Core server
View data are sent to the decompression server；
Data acquisition module is decompressed, for being carried out to the second message solid data according to the first header data
Decompression, the second message solid data after being decompressed；
Data transmission blocks are decompressed, for the second message solid data after the decompression to be sent to view networked server.
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