CN109688031A - A kind of method for monitoring network and relevant device - Google Patents
A kind of method for monitoring network and relevant device Download PDFInfo
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- CN109688031A CN109688031A CN201910159272.9A CN201910159272A CN109688031A CN 109688031 A CN109688031 A CN 109688031A CN 201910159272 A CN201910159272 A CN 201910159272A CN 109688031 A CN109688031 A CN 109688031A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0829—Packet loss
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/06—Generation of reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0852—Delays
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/16—Threshold monitoring
Abstract
The embodiment of the invention discloses method for monitoring network and relevant devices, are applied to field of communication technology.In the method for the present embodiment, first content distribution network can obtain the network address of user terminal to be monitored, and the network link between the user terminal is actively monitored according to network address, then monitored results are sent to information server to determine network quality by the monitored results whether being connected to.In this way, pass through the network link between the node energy direct monitoring of any content distributing network and any user terminal, the user terminal that each area can equably be arranged in this way is user terminal to be monitored, and the node for being distributed to each content distributing network is monitored, even if deployment of the node of content distributing network in each area is not that very uniformly, can more fully, equably monitor the network link between the user terminal in each area and the node of content distributing network yet.
Description
Technical field
The present invention relates to field of communication technology, in particular to a kind of method for monitoring network and relevant device.
Background technique
Content distributing network (Content Delivery Network, CDN) business is mainly by application network
Increase by one layer of new network architecture, application content is published to the network " edge " closest to user terminal, referred to as content distribution
Network node allows user terminal to obtain required application content nearby, improves the response of user terminal access application system
Speed.CDN business can significantly improve the efficiency of information flow, and technically comprehensively solve network bandwidth is small, user's access
The problems such as amount is big, network point distribution is uneven.
For the high quality for guaranteeing CND business, a kind of necessary means are become to the health monitoring of wherein network link.Present industry
It is inside generally detected between the node in content distributing network using ping, ping detection is mainly by a content distributing network
Node to the node of another content distributing network send network letter report control protocol (Internet Control Messages
Protocol, ICMP) packet, to wait the node of another content distributing network to return to the ICMP packet of same format, so that it is determined that interior
The health status of network link between the node of content distributing network.
In existing content distributing network, deployment of the node at content distribution network in each area is not very uniformly, to make
The network link by using the ping detection method monitoring between the node in content distributing network is obtained, it cannot be very comprehensively and quasi-
Really cover the network condition of the user terminal access content distributing network in each area.
Summary of the invention
The embodiment of the present invention provides a kind of method for monitoring network and relevant device, realizes the section of first content distribution network
Network link between point monitoring and user terminal to be monitored.
First aspect of the embodiment of the present invention provides a kind of method for monitoring network, the section applied to first content distribution network
Point, which comprises
Obtain the network address of user terminal to be monitored；
According to the network link between network address monitoring and user terminal, obtain in the user terminal and first
The monitored results whether network link between the node of content distributing network is connected to；
The monitored results are sent to information server, so that the information server is determined according to the monitored results
Network quality.
Second aspect of the embodiment of the present invention provides a kind of method for monitoring network, is applied to information server, comprising:
Obtain what the nodes of multiple content distributing networks was sent respectively, to user terminal to be monitored and content distributing network
The monitored results whether network link between node is connected to；
According to the monitored results, count under different grain size, the node of user terminal and content distributing network to be monitored it
Between network quality information；
According to the network quality information, varigrained equipment or the information whether network breaks down are determined.
The third aspect of the embodiment of the present invention provides a kind of node of content distributing network, comprising:
Address acquisition unit, for obtaining the network address of user terminal to be monitored；
Monitoring unit, for obtaining the use according to the network link between network address monitoring and user terminal
The monitored results whether network link between family terminal and the node of the first content distribution network is connected to；
Supervision and reporting unit, for the monitored results to be sent to information server, so as to the information server root
Network quality is determined according to the monitored results.
Fourth aspect of the embodiment of the present invention provides a kind of information server, comprising:
Acquiring unit is monitored, what the node for obtaining multiple content distributing networks was sent respectively, it is whole to user to be monitored
The monitored results whether network link between end and the node of content distributing network is connected to；
Statistic of attribute unit, for counting under different grain size, user terminal to be monitored and content according to the monitored results
Network quality information between the node of distribution network；
Trouble unit, for determining whether varigrained equipment or network occur event according to the network quality information
The information of barrier.
The 6th aspect of the embodiment of the present invention provides a kind of server, including pocessor and storage media, and the processor is used
In each instruction of realization；
The storage medium is for storing a plurality of instruction, and described instruction is for being loaded by processor and being executed as of the invention real
Apply method for monitoring network described in a first aspect or second aspect.
As it can be seen that first content distribution network can obtain the network of user terminal to be monitored in the method for the present embodiment
Address, and according to the network link between network address active monitoring and the user terminal, the monitored results whether being connected to,
Then monitored results are sent to information server to determine network quality.In this way, passing through the node of any content distributing network
Network link between energy direct monitoring and any user terminal, can equably be arranged the user terminal in each area in this way
For user terminal to be monitored, and the node for being distributed to each content distributing network is monitored, even if the section of content distributing network
Deployment of the point in each area be not it is very uniform, also can more fully, equably monitor the user terminal in each area with it is interior
Network link between the node of content distributing network.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is a kind of schematic diagram of method for monitoring network provided in an embodiment of the present invention；
Fig. 2 is a kind of flow chart of method for monitoring network provided by one embodiment of the present invention；
Fig. 3 a is the flow chart of another method for monitoring network provided by one embodiment of the present invention；
Fig. 3 b is the section of the node of first content distribution network and the second content distributing network in one embodiment of the invention
The schematic diagram of message is established in transmission connection between point；
Fig. 4 is a kind of flow chart for method for monitoring network that another embodiment of the present invention provides；
The structural schematic diagram of system applied by method for monitoring network in Fig. 5 Application Example of the present invention；
The method schematic diagram of the network link between OC node and user terminal is monitored in Fig. 6 Application Example of the present invention；
The method schematic diagram of the network link between OC node and SOC node is monitored in Fig. 7 Application Example of the present invention；
Fig. 8 is a kind of structural schematic diagram of the node of content distributing network provided in an embodiment of the present invention；
Fig. 9 is a kind of structural schematic diagram of information server provided in an embodiment of the present invention；
Figure 10 is a kind of structural schematic diagram of server provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Description and claims of this specification and term " first ", " second ", " third " " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiment of the present invention described herein for example can be to remove
Sequence other than those of illustrating or describe herein is implemented.In addition, term " includes " and " having " and theirs is any
Deformation, it is intended that cover not exclusively include, for example, containing the process, method of a series of steps or units, system, production
Product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for this
A little process, methods, the other step or units of product or equipment inherently.
The embodiment of the present invention provides a kind of method for monitoring network, mainly can be applied in system as shown in Figure 1, at this
It include information server (illustrates) content distributing network at least one for n node in figure in system, wherein any
The node (such as node of first content distribution network) of content distributing network can monitor as follows and user terminal
Between network link the network link that goes wrong is carried out timely to find the quality condition of network link in time
Switching, ensure that the normal operation of content distributing network:
Obtain the network address of user terminal to be monitored；According to the net between network address monitoring and user terminal
Network link obtains the monitored results of the network link between the user terminal and the node of the first content distribution network；
The monitored results are sent to information server, so that the information server determines network matter according to the monitored results
Amount.
Information server in system can be achieved by the steps of the monitoring of network:
Obtain what the nodes of multiple content distributing networks was sent respectively, to user terminal to be monitored and content distributing network
The monitored results of network link between node；According to the monitored results, count under different grain size, user terminal to be monitored with
Network quality information between the node of content distributing network；According to the network quality information, varigrained equipment is determined
Or the information whether network breaks down.
In this way, passing through the lattice chain between the node energy direct monitoring of any content distributing network and any user terminal
Road, the user terminal that each area can equably be arranged in this way is user terminal to be monitored, and is distributed to each content distribution
The node of network is monitored, though deployment of the node of content distributing network in each area be not very uniformly, also can be relatively complete
Face, equably monitor network link between the user terminal in each area and the node of content distributing network.
One embodiment of the invention provides a kind of method for monitoring network, the node of mainly any content distributing network, than
The method as performed by the node of first content distribution network, flow chart are as shown in Figure 2, comprising:
Step 101, the network address of user terminal to be monitored is obtained, available multiple user terminals to be monitored
Network address, for each network address, the method for executing the present embodiment.
It is appreciated that the node of first content distribution network can initiate the network of the present embodiment according to certain period
Monitor process.And no matter whether user terminal to be monitored initiates to access the node of the first content distribution network, in monitoring week
When phase reaches, the node of first content distribution network can all be directed to each user terminal to be monitored, initiate the stream of the present embodiment
Journey.
It in the present embodiment, can the user terminal for needing to monitor preset in advance in the node of first content distribution network
The network address of (user terminal i.e. to be monitored), in this way, initiating the present embodiment in the node of first content distribution network every time
Process when, the network address that can directly extract preset user terminal carries out subsequent operation.Specifically:
In the network address of preset user terminal, the node of first content distribution network can be received from information server
User terminal pond includes the corresponding network address of multiple user terminals in the user terminal pond.In one case, information
After the network address of the user terminal of server monitoring in need having determined, by the network address of all user terminals point
It is not sent to the node of each content distributing network.In this case, the node of first content distribution network takes from information
It include the corresponding network address of multiple user terminals in user terminal pond after business device receives user terminal pond, meeting exists
In user terminal pond, the net of the user terminal of the distance between selection and the node of first content distribution network in presetting range
Network address is stored into the node of first content distribution network as the network address of user terminal to be monitored.
In another case, information server can having determined after the network address of the user terminal of monitoring in need,
For the node of any content distributing network, information server can select each content distributing network in all user terminals
Node need the user terminal that monitors, and the network address of the user terminal of selection is sent to corresponding content distributing network
Node stored.In this case, the node of first content distribution network can directly will be received from information server
The network address of user terminal, and the network address as user terminal to be monitored, are preset to first content distribution network
In node.
Explanation is needed further exist for, information server can also determine that above-mentioned user to be monitored is whole according to certain period
The validity of the network address at end, and effective user terminal pond is sent to the node of each content distributing network.In this way,
In the present embodiment, when the node of first content distribution network receives effective user terminal pond, meeting basis from information server
Effective user terminal pond updates the network address of user terminal preset in the node of first content distribution network (i.e. wait supervise
The network address of the user terminal of control).
Step 102, it according to the network link between the network address monitoring obtained of above-mentioned steps 101 and user terminal, obtains
The monitored results whether network link into family terminal between the node of first content distribution network is connected to.
Specifically, the node of first content distribution network can be detected using anti-ping, the net between monitoring and user terminal
Network link, the i.e. node of first content distribution network can send ICMP packet to user terminal according to the network address of user terminal,
And record the time for sending ICMP packet；When the identical ICMP packet of format for receiving user terminal return, record receives ICMP packet
Time, and combine send ICMP packet time, determine and transmit number between the node and user terminal of first content distribution network
According to time；When the ICMP packet for not receiving user terminal return, then node and the user for recording first content distribution network are whole
The information that network between end is not connected to.
In this way, obtained monitored results may include: the net between the node and user terminal of first content distribution network
Network connection, and the time of transmission data；Alternatively, the network between the node of first content distribution network and user terminal is not connected to
Information etc..
Wherein, ICMP packet is the data packet based on network layer, i.e. the node of first content distribution network has sent ICMP packet
Afterwards, if network layer can directly return to the identical ICMP packet of format after the network layer of user terminal receives ICMP packet.In this way,
The node of first content distribution network can detect user terminal and first content distribution network by anti-ping detection mode
Node between network whether be connected to.
It should be noted that for the user terminal for the node for having initiated access first content distribution network, in first
The node of content distributing network is not to the access link having built up when monitoring the network link between the user terminal
It is monitored, but monitors the node and the user terminal of first content distribution network by way of in addition sending ICMP packet
Between network state.
Step 103, monitored results are sent to information server, so that information server determines network according to monitored results
Quality.
In this way, information server can unite after the monitored results that the node for being collected into each content distributing network is sent
It counts under different grain size, the network quality information between the node of user terminal and content distributing network to be monitored determines each grain
The information whether equipment of degree breaks down.
For example, under the node granularity of content distributing network, the node of each content distributing network is counted from different wait supervise
The network quality information between user terminal is controlled, and determines whether the node of each content distributing network breaks down；Wait supervise
Under the granularity for controlling user terminal, the network matter between each user terminal to be monitored and the node of different content distribution network is counted
Information is measured, and determines whether the network of each user equipment to be monitored breaks down.
As it can be seen that the node of first content distribution network can regularly obtain use to be monitored in the method for the present embodiment
The network address of family terminal actively monitors the network link between user terminal according to network address, obtains monitored results, so
Monitored results are sent to information server to determine network quality afterwards.In this way, passing through the node of any content distributing network just
Network link between energy direct monitoring and any user terminal, the user terminal that each area can equably be arranged in this way are
User terminal to be monitored, and the node for being distributed to each content distributing network is monitored, even if the node of content distributing network
Deployment in each area is not that very uniformly, can more fully, equably monitor the user terminal and content in each area yet
Network link between the node of distribution network.
It should be noted that above-mentioned steps 101 to 103 are the nodes of first content distribution network to user terminal access
The monitoring that the network link of the node of one content distributing network carries out.In other embodiments, the section of first content distribution network
Point can also initiate to be based on business in following steps between monitoring and the node of the second content distributing network according to certain period
The network link of layer, process are as shown in Figure 3a, comprising:
Step 201, connection is sent to the node of the second content distributing network establish message, specially transmission control protocol
Message is established in the connection of (Transmission Control Protocol, TCP), and it is based on business that message is established in the link
The message of layer.
Wherein, the node of the second content distributing network is the node for storing application content, with first content distribution network
The distance between node is relatively close, and the node of the second content distributing network can have it is multiple.
Step 202, the response results of message are established to connection according to the node of the second content distributing network, are obtained and second
Result is established in connection between the node of content distributing network.
Specifically, as shown in Figure 3b, after the node of first content distribution network, which has sent connection, establishes message, in second
It will include network layer and multiple operation layers in the node of content distributing network, the network layer of the node of the second content distributing network first connects
It receives the connection and establishes message, if network layer finds the service port of corresponding service layer, network layer can establish the connection
Message is transferred to corresponding operation layer, returns to connection establishment response from operation layer to the node of first content distribution network；If
Network layer does not find the service port of corresponding service layer, then network layer is directly returned to the node of first content distribution network and connected
Establish response.
Therefore, in one case, if the operation layer of the node of the second content distributing network receives above-mentioned connection
Message is established, then executes the operation of the network connection between foundation and the node of first content distribution network, and to first content
The node of distribution network returns to connection establishment response.
In this way, can be established according to connection is received after the node of first content distribution network receives connection establishment response
The time t1 of message is established in the time t2 of response and transmission connection, determines the node and the second content point of first content distribution network
Connection establishment response time between the node of hairnet network, specially t2-t1.It may include connecting that result is established in the connection then obtained
Connect the following any information established and include in response time and connection establishment response: with the node of the second content distributing network it
Between establish and be connected to the network successfully, the error message of connection is not set up with the node of the second content distributing network, with the second content point
Network connection time-out etc. is established between the node of hairnet network.
In another case, if built since the network layer of the node of the second content distributing network receives above-mentioned connection
After vertical message, the corresponding service port of operation layer is not found, then is directly returned from network layer to the node of first content distribution network
Connection establishment response is returned, including the information for not finding corresponding service port；The connection then obtained is established result and be can wrap
It includes in above-mentioned connection establishment response that include do not find the information of corresponding service port, can also include that above-mentioned connection is established and rung
Between seasonable.
In another case, if receiving the node of the second content distributing network not due to network disconnection etc.
Message is established in connection, and the node of such first content distribution network will not receive connection establishment response, it is determined that connection is built
Vertical result may include: not set up to connect with the node of the second content distributing network, the information etc. that network is not connected to.
Step 203, result is established into connection and is sent to information server, so that information server establishes result according to connection
Determine network quality.
Further, if during executing above-mentioned steps 201 to 203, the node of first content distribution network with
Network between the node of second content distributing network is successfully established, then the node of first content distribution network can also be directed to more
Message is established in each connection that a connection is established in message, executes above-mentioned steps 201 to 203 respectively, that is, is executed and be sent to second
The node of content distributing network obtains to connect and establishes result and the step of result is sent to information server is established in connection.
Wherein, it is that message is established in connection of different sizes, and establishes message for a connection that message is established in multiple connections,
, can be after preset time after executing above-mentioned steps 201 to 203, then establish message for another connection and execute above-mentioned steps 201
, in this way can whithin a period of time to 203, equably circulation executes above-mentioned steps more than 201 to 203 times.So as to monitor
Concrete embodiment of the different data size for the quality of the network link between the node of content distributing network.
As it can be seen that the network link monitoring between the node of above content distribution network is to establish the detection of message using connection
Mode, what it is due to network connection foundation is the connection based on operation layer, and is connected to the network in establishment process, and opposite end can be fed back in net
Network connects the information such as the various situations, such as successful or unsuccessful mistake in establishment process, so that establishing message using connection
Detection mode accurately can monitor the network link between the node of content distributing network based on operation layer in time
Situation；And connection establishes message and will not be treated as virus and intercept or abandon, and then ensure that the normal operation of monitoring process.
Another embodiment of the present invention provides a kind of method for monitoring network, the method for the present embodiment is by above-mentioned information
Method performed by server, flow chart are as shown in Figure 4, comprising:
Step 301, obtain what the nodes of multiple content distributing networks was sent respectively, to user terminal to be monitored and content point
The monitored results whether network link between the node of hairnet network is connected to.
It is appreciated that each content distributing network node can according to the method for above-mentioned steps 101 to 103, monitor with
Network link between each user terminal to be monitored, and monitored results are reported to information server, such information server
The method that can initiate the present embodiment according to certain period.
In the monitored results that the node of each content distributing network reports may include content distributing network node with
Whether the network link between each user terminal to be monitored is connected to；Whether transmission data are delayed, if delay, the time of delay
Etc. information.
Step 302, it according to monitored results, counts under different grain size, the section of user terminal and content distributing network to be monitored
Network quality information between point.Here network quality information refers to the parameter value for indicating the parameter of network quality, can be with
It include: the information such as packet loss, delay.
Specifically, information server can count each content distributing network under the node granularity of content distributing network
Node and different user terminals to be monitored between first network quality information breath.In the granularity in user terminal to be monitored
Under, count the second network quality information between each user terminal to be monitored and the node of different content distribution network.
Wherein, first network quality information may include: the all-network chain for the monitoring nodes of content distributing network
Road, it is specific to join based on the parameter value of these parameters such as packet loss, delay, monitoring network number of links and the link number that is not connected to
Numerical value can be the parameter value of arbitrary form calculating, such as average value, median, 8 quartiles or 9 quartiles etc., such as packet loss
Average value or median etc..
Second network quality information may include: the node for all content distributing networks for monitoring the user terminal,
The network link between the user terminal of monitoring, based on packet loss, delay, monitoring network number of links and the link not being connected to
The parameter value of the parameters such as number, design parameter value can be average value, median, 8 quartiles or 9 quartiles etc., such as packet loss
Average value or median etc..
Step 303, according to network quality information, varigrained equipment or the information whether network breaks down are determined.
Specifically, information server can determine the section of each content distributing network according to above-mentioned first network quality information
Whether point breaks down, for example, the link number not being connected to is big in the all-network link of a certain content distributing network monitoring
In a certain threshold value, alternatively, the link number of connection and delay is greater than a certain threshold value, then the node of the content distributing network may be sent out
Raw failure can prompt user to repair in time to the node of content distributing network if a failure occurs.
Information server can also be determined according to the second network quality information each user terminal to be monitored network whether
It breaks down, for example, the service supplier (Internet Server Provider, ISP) of each user equipment to be monitored is right
Whether the network that user terminal provides breaks down.
It should be noted that information server can also select certain user's terminal as user terminal to be monitored, and really
Determine the network address that user terminal pond includes multiple user terminals to be monitored, and determining user terminal pond is sent to content point
The node of hairnet network is stored, the monitoring being connected to the network so as to the node of content distributing network.Further, information takes
Business device can also determine the validity of the network address of multiple user terminals to be monitored according to certain period, and by validity
The node that the network address of user terminal is sent to content distributing network is updated.
Wherein, the network address based on a certain user terminal to be monitored, information server are available to each content point
Whether the network link between the node of hairnet network and the user terminal to be monitored is connected to, and whether the information such as time delay, if not
Connected ratio is 100%, then it is assumed that the network address of the user terminal to be monitored is invalid, needs to delete the network address.
Explanation is needed further exist for, above-mentioned steps 301 to 303 are node of the information server according to content distributing network
The monitored results of the network link between user terminal to be monitored of monitoring, determine network quality.In other embodiments, believe
Breath server can also obtain content delivery network node transmission, establish connection between the node of other content distributing networks
Connection establish as a result, the connection foundation is the result is that the node of content distributing network establishes the detection mode of message using connection,
The result of network link based on operation layer between monitoring and the node of other content distributing networks.
In this way, information server can establish result according to the connection of the multiple groups of acquisition, (it is in one that result is established in one group of connection
What the node of content distributing network reported), determine the lattice chain between the node of any two content distributing network based on operation layer
Whether road breaks down or whether the node of any content distributing network breaks down.For example, if a certain content distributing network
Node and other multiple content distributing networks node between network link based on operation layer it is abnormal, if this multiple content
The number of the node of distribution network is greater than a certain threshold value, then can determine the nodes break down of the content distributing network.
As it can be seen that the node that the information server in the present embodiment can collect each content distributing network monitors network link
Monitored results, the node of the network link of node and user terminal including content distributing network and content distributing network it
Between the network link based on operation layer, and then which network link or unit exception in network can be determined according to monitored results,
And handover network link in time, it ensure that the network link of user terminal access content distributing network.
Method for monitoring network of the invention is illustrated with specific application example below, it specifically can be using such as Fig. 5
Shown in content distributing network, comprising: multiple fringe nodes (Outer Center, OC) and multiple times source fringe nodes
(Source Outer Center, SOC) node (illustrates) that information takes by taking an OC node and a SOC node as an example in Fig. 5
Business device and user terminal, in which:
User terminal obtains in corresponding application for accessing the nearest OC node of the distance between the user terminal
Hold, application content can also be obtained to apart from farther away OC node.
OC node is the node for storing application content, in the present embodiment, for monitoring and each user to be monitored
Network link between terminal, and monitored results are reported to information server；It is also used to monitor between SOC node based on industry
Monitored results (specially result is established in determining connection) are also reported to information server by the network link of business layer.
SOC node is also used for storage application content, during user terminal access a certain OC node, if the OC is saved
The requested content of user terminal is not stored in point, then OC node needs to obtain user to the upstream node i.e. SOC node of Hui Yuan
The requested content of terminal.
Information server determines network quality for collecting the monitored results of each OC node.
It may include steps of the network link between monitoring OC node and user terminal to be monitored in the present embodiment, show
It is intended to as shown in Figure 6, comprising:
Step 401, information server selects the network address of the effective user terminal with geographic representation, and by this
The network address of a little user terminals is sent to OC node as user terminal pond and is stored, then these user terminals are to be monitored
User terminal.
It is stored wherein it is possible to be sent to multiple OC nodes.
For example, if necessary to the network quality for detecting Guangdong Telecom user terminal, it can be c sections from Shenzhen Telecom user terminal
Middle fetching portion valid network address (IP), from the effective IP of fetching portion in telecommunication user terminal c sections of Guangzhou ..., summarize
Afterwards as the user terminal pond of Guangdong Telecom.
Step 402, the user terminal pond that OC node receives information server transmission is stored, and also can choose wherein
The network address of certain customers' terminal stores, this certain customers' terminal is the distance between OC node in presetting range
User terminal.
OC node can determine the validity of network address in user terminal pond according to certain period, and to invalid network
Address is updated.
Step 403, if a certain user terminal access OC node, OC node can determine whether the network address of the user terminal
Whether match with the network address of the user terminal in preset user terminal pond, if matched, which is
User terminal to be monitored can monitor the network link between the user terminal, be supervised in such a way that anti-ping is detected
Control is as a result, and continue to execute step 405；If they do not match then terminating process.
It should be noted that the user terminal of OC node is not accessed in the user terminal pond preset for OC node, OC section
Point also can monitor the network link between these user terminals in such a way that anti-ping is detected.
Step 404, obtained monitored results are sent to information server by OC node.
Step 405, information server can receive multiple OC nodes and send, the prison of the network link between user terminal
Control as a result, from each OC node obtain monitored results in may include: packet loss and delay network link, the network not being connected to
The number of link, the number etc. of the network link of connection.
Information server can be counted according to the monitored results that certain period sends each OC node in this way, be obtained
Network quality information under multiple granularities, between user terminal and OC node to be monitored.Specifically, under OC node granularity, system
Count the first network quality information between each OC node and different user terminals to be monitored；In the granularity of user terminal to be monitored
Under, count the second network quality information between each user terminal to be monitored and different OC nodes.
Further, information server can learn whether OC node breaks down according to first network quality information, root
Learn whether the ISP of user terminal breaks down according to the second network quality information.
Step 406, if it is determined that after the ISP of OC node or user terminal breaks down, information server can be using tune
Degree strategy, the network link of failure is switched in time, and the OC node of failure shields in time, guarantees user terminal access OC node
Network quality.
It may include steps of the network link between monitoring OC node and SOC node in the present embodiment, schematic diagram is such as
Shown in Fig. 7, comprising:
Step 501, during user terminal initiates access OC node, if OC node does not store needed for user terminal
Application content, then OC node meeting Hui Yuan to SOC node, obtains corresponding application content to SOC node.
In this process, OC node can establish the detection mode of message using connection, be based between monitoring and SOC node
The network link of operation layer, specifically, the connection that OC node can send TCP establish message and give SOC node, and record transmission connection
The time time_start of message is established, and waits the response of SOC node, it is disappearing based on operation layer which, which establishes message,
Breath.
Wherein, the time-out time that setting connection socket is established in message meeting in the connection of TCP, according to the time-out time,
Can determine whether foundation network connection is overtime between the node of the second content distributing network.
Step 502, obtain SOC node and the response results of message established to connection, analyze response results, obtain OC node with
Result is established in connection between SOC node.
In a kind of situation, if SOC node receives above-mentioned connection and establishes message, execute between foundation and OC node
Network connection operation, and to OC node return connection establishment response.After OC node receives connection establishment response, it can remember
Record is according to the time time_end1 for receiving connection establishment response.
In this way, it may include: that sound is established in the connection between OC node and SOC node that result is established in the connection that OC node obtains
Between seasonable, specially time_end1-time_start；It and can also include the following any letter for including in connection establishment response
Breath: it establishes and is connected to the network successfully between SOC node, the error message of connection is not set up with SOC node, between SOC node
Network connection time-out is established, does not find the service port etc. that message is established in connection in SOC node.
In another case, if with the network of SOC node disconnect etc. due to make the SOC node company of not receiving
Connect and establish message, such OC node will not receive connection establishment response, then OC node determine connection establish result include: with
Connection, the information such as network disconnection are not set up between SOC node.
Step 503, connection can be established result and be sent to information server by OC node.
It should be noted that if be successfully established by the connection between above-mentioned OC node and SOC node, OC node can be with
Message is established in connection continuing with the TCP of multiple (such as 10k, 100k, 1000k etc.) of different sizes, executes above-mentioned step respectively
Rapid 501 to 503.And whithin a period of time, it can equably recycle and execute above-mentioned steps 501 to 503N times.
Step 504, information server obtains what multiple OC nodes were sent, and the connection that connection is established between SOC node is built
It is vertical as a result, and being established according to connection as a result, determining whether break down between OC node and SOC node or whether OC node is sent out
Raw failure.
Step 505, if it is determined that after OC nodes break down, information server can use scheduling strategy, by failure
Network link switches in time, and the OC node of failure shields in time, guarantees the network quality of user terminal access OC node.
The embodiment of the present invention also provides a kind of node of content distributing network, and structural schematic diagram is as shown in figure 8, specifically may be used
To include:
Address acquisition unit 10, for obtaining the network address of user terminal to be monitored；
The address acquisition unit 10 is specifically used for receiving user terminal pond, the user terminal from the information server
Pond includes the corresponding network address of multiple user terminals；Using the user terminal pond as the user terminal to be monitored
Network address；Alternatively, in the user terminal pond, the distance between the node of selection and the first content distribution network
The network address of user terminal in presetting range, the network address as the user terminal to be monitored.
Monitoring unit 11, the network address for being obtained according to the address acquisition unit 10 monitor between user terminal
Network link, obtain the prison whether network link between the user terminal and the node of the content distributing network is connected to
Control result.
Supervision and reporting unit 12, the monitored results for obtaining the monitoring unit 11 are sent to information server, with
Toilet states information server and determines network quality according to the monitored results.
Further, the node of content distributing network can also include: terminal updating unit 13, for taking from the information
It is engaged in the effective user terminal pond of device reception, updating what the address acquisition unit 10 obtained according to the effective user terminal pond
The network address of user terminal to be monitored.
In a specific embodiment, above-mentioned monitoring unit 11 is also used to send out to the node of the second content distributing network
Connection is sent to establish message；It is the message based on operation layer that message is established in the connection；According to second content distributing network
Node establishes the response results of message to the connection, and the connection obtained between the node of second content distributing network is built
Vertical result；Then supervision and reporting unit 12 is also used to establish result and be sent to the information server connection, so as to described
Information server establishes result according to the connection and determines network quality.
Wherein, monitoring unit 11 is when result is established in acquisition connection, if being specifically used for receiving second content distribution
The node of network establishes the connection establishment response of message to described connect, according to it is described send it is described connect establish message when
Between, with the time for receiving the connection establishment response, the determining connection between the node of second content distributing network is built
The vertical response time；It includes: in the connection establishment response time and the connection establishment response that then the connection, which is established in result,
Including following any information: establish and be connected to the network successfully between the node of second content distributing network, with described the
The node of two content distributing networks does not set up the error message of connection, establishes between the node of second content distributing network
Network connection time-out does not find the service port for connecting and establishing message；
If monitoring unit 11 is also used to not be connected to the connection establishment response, determine that the connection establishes result and includes:
It does not set up and connect with the node of second content distributing network.
Further, above-mentioned monitoring unit 11, if being also used to establish net between the node of the second content distributing network
Network successful connection, each connection established in message for multiple connections of different sizes are established message, are sent to described in execution
The step of node of second content distributing network, and executed by supervision and reporting unit 12 and to obtain connection and establish result and by the company
It connects and establishes the step of result is sent to information server.
As it can be seen that it is whole that monitoring unit 11 can obtain user to be monitored in the node of the content distributing network of the present embodiment
The network address at end, and according to the network link between these network address active monitoring and the user terminal, whether connected
Logical monitored results, then monitored results are sent to information server to determine network quality by supervision and reporting unit 12.In this way,
It, in this way can be equal by the network link between the node energy direct monitoring of any content distributing network and any user terminal
The user terminal that each area is arranged evenly is user terminal to be monitored, and the node for being distributed to each content distributing network carries out
Monitoring, even if deployment of the node of content distributing network in each area is not that very uniformly, can more fully, equably monitor yet
To each area user terminal and content distributing network node between network link.
The embodiment of the present invention also provides a kind of information server, and structural schematic diagram is as shown in figure 9, can specifically include:
Acquiring unit 20 is monitored, what the node for obtaining multiple content distributing networks was sent respectively, to user to be monitored
The monitored results whether network link between terminal and the node of content distributing network is connected to；
Statistic of attribute unit 21, for counting under different grain size, wait supervise according to 20 monitored results of monitoring acquiring unit
Control the network quality information between user terminal and the node of content distributing network；
Trouble unit 22, the network quality information for being obtained according to the statistic of attribute unit 21, determines different grain size
Equipment or the information that whether breaks down of network.
In a kind of situation, above-mentioned statistic of attribute unit 21, specifically under the node granularity of content distributing network, statistics
First network quality information between the node of each content distributing network and different user terminals to be monitored；Then trouble unit
22, specifically for determining whether the node of each content distributing network occurs event according to the first network quality information
Barrier.
In another case, above-mentioned statistic of attribute unit 21, specifically for counting under the granularity of user terminal to be monitored
The second network quality information between each user terminal to be monitored and the node of different content distribution network；Then trouble unit
22, specifically for determining whether the network of each user terminal to be monitored occurs event according to second network quality information
Barrier.
Further, above-mentioned monitoring acquiring unit 20, the node for being also used to obtain the multiple content distributing network are sent
, result is established in the connection that connection is established between the node of other content distributing networks；Then trouble unit 22 are also used to basis
The connection is established as a result, determining whether break down between the node of any two content distributing network or any content point
Whether the node of hairnet network breaks down.
It further, can also include: terminal configuration unit 23 in the information server of the embodiment of the present invention, for determining
User terminal pond includes the network address of multiple user terminals to be monitored in the user terminal pond；By the user terminal pond
The node for being sent to the content distributing network is stored.
Further, the terminal configuration unit 23 is also used to determine the network address of the multiple user terminal to be monitored
Validity, and the node that the network address of the user terminal of validity is sent to the content distributing network is updated.
As it can be seen that monitoring acquiring unit 20 can collect the section of each content distributing network in the information server of the present embodiment
The monitored results that point monitors network link, the network link and content of node and user terminal including content distributing network
Based on the network link of operation layer between the node of distribution network, and then trouble unit 22 can determine network according to monitored results
In which network link or unit exception, and handover network link in time ensure that user terminal access content distributing network
Network link.
The embodiment of the present invention also provides a kind of server, and structural schematic diagram is as shown in Figure 10, which can be because of configuration
Or performance is different and generate bigger difference, may include one or more central processing units (central
Processing units, CPU) 30 (for example, one or more processors) and memory 31, one or more are deposited
Store up the storage medium 32 (such as one or more mass memory units) of application program 321 or data 322.Wherein, it stores
Device 31 and storage medium 32 can be of short duration storage or persistent storage.Be stored in storage medium 32 program may include one or
More than one module (diagram does not mark), each module may include to the series of instructions operation in server.Further
Ground, central processing unit 30 can be set to communicate with storage medium 32, execute on the server a series of in storage medium 32
Instruction operation.
Server can also include one or more power supplys 33, one or more wired or wireless network interfaces
34, and/or, one or more operating systems 323, such as Windows ServerTM, Mac OS XTM, UnixTM,
LinuxTM, FreeBSDTM etc..
Specifically, in one embodiment, the application program 321 stored in storage medium 32 includes answering for network monitoring
With program, and the program may include the address acquisition unit 10 in the node of above content distribution network, monitoring unit 11, prison
Reporting unit 12 and terminal updating unit 13 are controlled, herein without repeating.Further, central processing unit 30 can be set to
It is communicated with storage medium 32, executes the corresponding system of application program of the network monitoring stored in storage medium 32 on the server
Column operation.
In another embodiment, the application program 321 stored in storage medium 32 may include above- mentioned information service
Monitoring acquiring unit 20 in device, statistic of attribute unit 21, trouble unit 22 and terminal configuration unit 23, herein without superfluous
It states.
The step as performed by the node or information server of above content distribution network described in above method embodiment
It suddenly can be based on the structure of the server shown in Fig. 10.
The embodiment of the present invention also provides a kind of storage medium, and the storage medium stores a plurality of instruction, and described instruction is suitable for
It is loaded as processor and executes the network monitoring side as performed by the node or information server of above-mentioned first content distribution network
Method.
The embodiment of the present invention also provides a kind of server, including pocessor and storage media, the processor, for realizing
Each instruction；The storage medium is for storing a plurality of instruction, and described instruction is for being loaded by processor and being executed such as above-mentioned the
The node of one content distributing network or the method for monitoring network of information server.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium may include: read-only memory (ROM), random access memory ram), disk or CD etc..
It is provided for the embodiments of the invention method for monitoring network above and relevant device is described in detail, herein
Apply that a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to help
Understand 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,
There will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as to this
The limitation of invention.
Claims (15)
1. a kind of method for monitoring network, which is characterized in that the node applied to first content distribution network, which comprises
Obtain the network address of user terminal to be monitored；
According to the network link between network address monitoring and user terminal, the user terminal and first content point are obtained
The monitored results whether network link between the node of hairnet network is connected to；
The monitored results are sent to information server, so that the information server determines network according to the monitored results
Quality.
2. the method as described in claim 1, which is characterized in that the network address for obtaining user terminal to be monitored, tool
Body includes:
User terminal pond is received from the information server, the user terminal pond includes the corresponding net of multiple user terminals
Network address；
Using the user terminal pond as the network address of the user terminal to be monitored；Alternatively, in the user terminal pond
In, the network of the user terminal of the distance between selection and the node of the first content distribution network in presetting range
Location, the network address as the user terminal to be monitored.
3. method according to claim 2, which is characterized in that the method also includes:
Effective user terminal pond is received from the information server, is updated according to the effective user terminal pond described wait supervise
The network address of the user terminal of control.
4. method as described in any one of claims 1 to 3, which is characterized in that the method also includes:
Connection, which is sent, to the node of the second content distributing network establishes message；It is disappearing based on operation layer that message is established in the connection
Breath；
The response results for establishing message to the connection according to the node of second content distributing network, obtain and described second
Result is established in connection between the node of content distributing network；
Result is established into the connection and is sent to the information server, so that the information server is established according to the connection
As a result network quality is determined.
5. method as claimed in claim 4, which is characterized in that the node according to second content distributing network is to institute
State connection and establish the response results of message, obtain the connection between the node of second content distributing network establish as a result,
It specifically includes:
If the node for receiving second content distributing network establishes the connection establishment response of message to the connection, according to institute
It states and sends the time for connecting and establishing message, with the time for receiving the connection establishment response, determining and second content
The connection establishment response time between the node of distribution network；
The then connection establishes in result that include: in the connection establishment response time and the connection establishment response include
Following any information: it establishes and is connected to the network successfully between the node of second content distributing network, with second content
The node of distribution network does not set up the error message of connection, and network company is established between the node of second content distributing network
Time-out is connect, does not find the service port for connecting and establishing message；
If not being connected to the connection establishment response, determine that the connection establishes result and includes: and second content delivery network
The node of network does not set up connection.
6. method as claimed in claim 4, which is characterized in that the method also includes:
It is connected to the network successfully if established between the node of the second content distributing network, is built for multiple connections of different sizes
Message is established in each connection in vertical message, and the node of the second content distributing network is sent to described in execution, obtains connection foundation
As a result and by the connection the step of result is sent to information server is established.
7. a kind of method for monitoring network, which is characterized in that be applied to information server, comprising:
Obtain what the nodes of multiple content distributing networks was sent respectively, to the node of user terminal to be monitored and content distributing network
Between the monitored results that whether are connected to of network link；
According to the monitored results, count under different grain size, between the node of user terminal and content distributing network to be monitored
Network quality information；
According to the network quality information, varigrained equipment or the information whether network breaks down are determined.
8. the method for claim 7, which is characterized in that it is described to be counted under different grain size according to the monitored results, to
The network quality information between user terminal and the node of content distributing network is monitored, is specifically included:
Under the node granularity of content distributing network, the node of each content distributing network and different user terminals to be monitored are counted
Between first network quality information；
It is described according to the network quality information, determine varigrained equipment or the information whether network breaks down, specifically
It include: to determine whether the node of each content distributing network breaks down according to the first network quality information.
9. the method for claim 7, which is characterized in that it is described to be counted under different grain size according to the monitored results, to
The network quality information between user terminal and the node of content distributing network is monitored, is specifically included:
Under the granularity of user terminal to be monitored, count each user terminal to be monitored and different content distribution network node it
Between the second network quality information；
It is described according to the network quality information, determine varigrained equipment or the information whether network breaks down, specifically
It include: to determine whether the network of each user terminal to be monitored breaks down according to second network quality information.
10. such as the described in any item methods of claim 7 to 9, which is characterized in that the method also includes:
The node transmission of the multiple content distributing network is obtained, establishes connection between the node of other content distributing networks
Connection establish result；
Established according to the connection as a result, whether breaking down between the node of determining any two content distributing network, or appoint
Whether the node of one content distributing network breaks down.
11. such as the described in any item methods of claim 7 to 9, which is characterized in that the method also includes:
It determines user terminal pond, includes the network address of multiple user terminals to be monitored in the user terminal pond；
The node that the user terminal pond is sent to the content distributing network is stored.
12. such as the described in any item methods of claim 7 to 9, which is characterized in that the method also includes:
Determine the validity of the network address of the multiple user terminal to be monitored, and by the network of the user terminal of validity
The node that location is sent to the content distributing network is updated.
13. a kind of node of content distributing network characterized by comprising
Address acquisition unit, for obtaining the network address of user terminal to be monitored；
Monitoring unit, for it is whole to obtain the user according to the network link between network address monitoring and user terminal
The monitored results whether end is connected to the network link between the node of the content distributing network；
Supervision and reporting unit, for the monitored results to be sent to information server, so that the information server is according to institute
It states monitored results and determines network quality.
14. a kind of information server characterized by comprising
Monitor acquiring unit, what the node for obtaining multiple content distributing networks was sent respectively, to user terminal to be monitored with
The monitored results whether network link between the node of content distributing network is connected to；
Statistic of attribute unit, for counting under different grain size, user terminal to be monitored and content distribution according to the monitored results
Network quality information between the node of network；
Trouble unit, for determining what whether varigrained equipment or network broke down according to the network quality information
Information.
15. a kind of server, which is characterized in that including pocessor and storage media, the processor, for realizing each finger
It enables；
The storage medium for storing a plurality of instruction, described instruction for loaded by processor and executed as claim 1 to
12 described in any item method for monitoring network.
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