CN107306278A - Fault detection method, GSLB server and residential gateway - Google Patents
Fault detection method, GSLB server and residential gateway Download PDFInfo
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- CN107306278A CN107306278A CN201610243716.3A CN201610243716A CN107306278A CN 107306278 A CN107306278 A CN 107306278A CN 201610243716 A CN201610243716 A CN 201610243716A CN 107306278 A CN107306278 A CN 107306278A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1034—Reaction to server failures by a load balancer
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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
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
- H04L67/63—Routing a service request depending on the request content or context
Abstract
This application provides fault detection method, GSLB server and residential gateway, wherein fault detection method is applied on GSLB server, and this method includes：Fault detection message is sent to the first content distribution network node；The failure feedback of the fault detection message is directed to according to the first content distribution network node, judge whether the first content distribution network node breaks down, if, situation about then whether the first content distribution network node being broken down notifies the residential gateway, so that the internet content access request that user equipment is triggered is forwarded to the second content delivery network node being connected with the first content distribution network node by the residential gateway.Using the embodiment of the present application, residential gateway can be made to know the failure situation of coupled CDN node in time, so as in the case of ensureing that CDN node breaks down, also can normally provide a user internet content.
Description
Technical field
The application is related to content distributing network technical field, more particularly to fault detection method, at data
Reason method, GSLB server, residential gateway and fault detection system.
Background technology
GSLB (Global Server Load Balance, GSLB), it is mainly realized
Flow allocating on wide area network (including internet) between the server of different geographical, for example, GSLB
Or service relatively near from user can be configured for RGW (Residential Gateway, residential gateway)
More preferable CDN (Content Delivery Network, content distributing network) node, it is ensured that use
Optimal CDN node services the user nearest from oneself, so that it is guaranteed that internet access quality.
The content of the invention
But inventor has found in research process, based on mobile CDN frameworks, near eNB
CDN node is closer to the user, therefore GSLB can typically configure the CDN sections near eNB for RGW
Point, can assume that CDN node occurs in that failure for some reason in actual applications, just can not
Its internet content that request is accessed is provided in real time to user, in this case, if RGW can not
Know that coupled CDN node occurs in that failure, will continue to internet content access request
The CDN node is sent to, internet content just can not be normally provided a user.
Based on this, this application provides a kind of fault detection method and a kind of data processing method, use
It can not just be realized if there is failure to solve CDN node 1 in the prior art and provide a user interconnection
The problem of net content.
Present invention also provides GSLB and RGW, to ensure the realization of the above method in practice
And application.
In order to solve the above problems, this application discloses a kind of fault detection method, this method is applied to
The GSLB server being connected respectively with first content distribution network node and residential gateway
On, this method includes：
Fault detection message is sent to the first content distribution network node；
Failure according to the first content distribution network node for the fault detection message is fed back
Situation, judges whether the first content distribution network node breaks down, if it is, by institute
State the situation whether first content distribution network node break down and notify the residential gateway, so as to
The internet content access request that user equipment is triggered is forwarded to and described first by the residential gateway
The second connected content delivery network node of content delivery network node, second content delivery network
Network node is used to provide internet content to the user equipment.
Disclosed herein as well is a kind of data processing method, this method is applied to first content divide respectively
On the residential gateway that hair network node is connected with GSLB server；This method includes：
Receive the second fault notification message that the GSLB server is sent, second event
Hindering notification message is：The GSLB server is detecting the first content distribution net
In the case that network node breaks down, for notifying first content described in the residential gateway to distribute net
The message that network node breaks down；
The internet content access request triggered in response to user equipment, the internet content is accessed
Request is forwarded to the second content distributing network section being connected with the first content distribution network node
Point；
In the case where second content delivery network node returns to corresponding internet content, by institute
State internet content and be forwarded to the user equipment.
Disclosed herein as well is a kind of GSLB server, the GSLB server
It is connected respectively with first content distribution network node with residential gateway, the server includes：
Fault detection message module is sent, for sending failure to the first content distribution network node
Detect message；
Judge module, for disappearing according to the first content distribution network node for the fault detect
The feedback of breath, judges whether the first content distribution network node breaks down；
Notification module, in the case of being in the result of the judge module, in described first
The situation whether content distributing network node breaks down notifies the residential gateway, so as to described resident
The internet content access request that user equipment is triggered is forwarded to by gateway distributes with the first content
The second connected content delivery network node of network node, second content delivery network node is used
In to the user equipment provide internet content.
Disclosed herein as well is a kind of residential gateway, the residential gateway distributes net with first content respectively
Network node is connected with GSLB server, including：
The second fault notification message module is received, is sent for receiving the GSLB server
Notification message, second fault notification message is：The GSLB server is in inspection
It is described resident for notifying in the case of measuring the first content distribution network node failure
The message that first content distribution network node described in gateway breaks down；
Request module is forwarded, will for the internet content access request triggered in response to user equipment
The internet content access request is forwarded to be connected with the first content distribution network node
Two content delivery network nodes；
Content module is forwarded, for returning to corresponding internet in second content delivery network node
In the case of content, the internet content is forwarded to the user equipment.
Disclosed herein as well is a kind of fault detection system, including：GSLB server, often
In gateway, first content distribution network node and the second content delivery network node, wherein,
The GSLB server includes sending fault detection message module, judge module and led to
Know module, the transmission fault detection message module is used for the first content distribution network node
Send fault detection message；The judge module is used for according to the first content distribution network node
For the feedback of the fault detection message, judge that the first content distribution network node is
It is no to break down；The notification module is used in the case where the result of the judge module is to be,
The situation whether the first content distribution network node is broken down notifies the residential gateway；
The residential gateway module include receive the second fault notification message module, forwarding request module and
Content module is forwarded, the second fault notification message of reception module is described global negative for receiving
The notification message that equalization server is sent is carried, second fault notification message is：It is described global negative
Equalization server is carried in the case where detecting the first content distribution network node failure,
For the message for notifying first content distribution network node described in the residential gateway to break down；Institute
Forwarding request module is stated, will for the internet content access request triggered in response to user equipment
The internet content access request is forwarded to be connected with the first content distribution network node
Two content delivery network nodes；The forwarding content module, in second content delivery network
In the case that network node returns to corresponding internet content, the internet content is forwarded to described
User equipment；
The first content distribution network node, for being sent in the transmission fault detection message module
In the case of fault detection message, to the GSLB server feedback failure situation；
Second content delivery network node, for the internet sent in response to the residential gateway
Content access request, sends corresponding with the internet content access request to the residential gateway
Internet content.
Compared with prior art, the application includes advantages below：
In the embodiment of the present application, if the performance being arranged near eNB is less compared with low capacity
CDN node 1 breaks down, and will be unable to normally provide internet content to UE, therefore,
, can be with proactive notification RGW, RGW in the case that the CDN node 1 that GSLB detects breaks down
Just stop sending internet content access request to the CDN node 1 of the failure, and will interconnection
Net content access request is forwarded to the CDN node 2 being connected with CDN node 1, so that by CDN
Node 2 normally provides internet content to UE, it is ensured that user can normally get in time
The internet content that oneself request is accessed.
Certainly, any product for implementing the application it is not absolutely required to while reaching all the above
Advantage.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the embodiment of the present application, embodiment will be described below
In required for the accompanying drawing that uses be briefly described, it should be apparent that, drawings in the following description are only
Only it is some embodiments of the present application, for those of ordinary skill in the art, is not paying wound
On the premise of the property made is laborious, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of flow chart of fault detection method embodiment of the application；
Fig. 2 is the network entity architecture figure of the application in actual applications；
Fig. 3 is a kind of flow chart of data processing method embodiment of the application；
Fig. 4 is the structured flowchart of the GSLB embodiments of the application；
Fig. 5 is the structured flowchart of the RGW embodiments of the application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, to the technical scheme in the embodiment of the present application
It is clearly and completely described, it is clear that described embodiment is only that the application part is real
Apply example, rather than whole embodiments.Based on the embodiment in the application, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to this
Apply for the scope of protection.
Between the embodiment of the present application is introduced, those skilled in the art are clearer for convenience understands
Network node in the embodiment of the present application, first does detailed introduction to it below.
CDN, also referred to as Content Delivery Network.CDN be built upon existing IP network foundation structure it
On a kind of value-added network, be application layer dispose a layer network framework.CDN core is profit
Intelligent policy techniques are used, the content at center and service network edge are pushed to so that Yong Huke
To obtain service in the optimal place of nearest and service quality, its key technology include cache,
Load balancing, contents construction, content distribution, content storage and Content Management etc..CDN technology
Advantage includes：(1) global load-balancing, access speed is fast, allows user to be connected to nearest service
Device gets on.(2) Hot Contents are actively transmitted, and from motion tracking, are automatically updated.(3) Seamless integration-,
Highly reliable, availability and autgmentability.(4) occupancy to network bandwidth resources is reduced, with intelligence
The management control ability of energy.(5) content sent is protected, and content supplier can be at this
Ground oneself determines the content of service.Based on above-mentioned advantage, CDN technologies can improve broadband resource
Utilization rate, the application popularization on the internet of increase Streaming Media, these applications include it is online play,
Music on Demand, live telecast, interactive game etc., greatly promote the development of Internet application and service.
CDN node is based primarily upon caching server, also referred to as proxy caching, and it is located at close to mobile network
Interconnection network edge.
ENB (eNodeB, enhanced wireless base station), is the main sky of follow-on wireless access network
The control device of mouthful resource, can provide higher up-downgoing speed, lower transmission delay and more
Plus be reliably wirelessly transferred.
GW (Gateway, gateway) is user plane functions entity, at user face data route
Reason, is divided into S-GW (Serving Gateway, gateway) and P-GW (Packet Data Network
Gateway, grouped data network gateway).
S-GW is E-UTRAN (the Evolved Universal Terrestrial Radio Access of evolution
Network, Universal Terrestrial Radio Access Network) between mobile anchor point；P-GW is PDN (Packet
Data Network, mobile network and Packet Data Network) borde gateway, be responsible for PDN access,
The functions such as data are forwarded between mobile network and PDN.
RGW, then between eNB and SGW, mainly do the packet that identification needs to shunt,
And shunt it connected CDN node.
GSLB, is primarily implemented on wide area network (including internet) between the server of different geographical
Flow allocating, it is ensured that using the optimal server service user nearest from oneself, so that it is guaranteed that mutually
Internet interview quality.
With reference to Fig. 1, a kind of flow chart of fault detection method embodiment 1 of the application, this reality are shown
Example is applied to can apply on the GSLB that with the first CDN node and RGW is connected respectively；This implementation
Example may comprise steps of：
Step 101：GSLB sends fault detection message to first CDN node.
In the embodiment of the present application, UE (User Equipment, user equipment) is user's operation
Terminal device.If user triggers internet content access request on UE, for example, have input
One network address triggers operation for checking an internet content etc., then UE can be by the internet
Content access request is forwarded to corresponding RGW, and RGW can be again by the internet content access request
The first coupled CDN node is transmitted to, i.e.,：CDN node 1, from CDN node 1 to
RGW provides internet content corresponding with the internet content access request.In the present embodiment,
CDN node 1 can be disposed adjacent near user base station eNB, and the requirement of its performance need not be too
Height can be achieved.It is the network architecture diagram of the application in actual applications with reference to shown in Fig. 2.Its
In, the internet access that RGW201 forwards user equipment to send to the first CDN node 202 is asked,
Therefore fault detect is carried out between GSLB203 and the first CDN node 202.
But in actual applications, it is also possible to CDN node 1 occurs in that certain failure, for example,
Internet can not be normally connected, or situations such as cycle power, CDN node is nothing in this case
Normal direction RGW normally provide internet content, it is therefore desirable to detect that CDN node 1 is current
Whether being capable of normal service.In the present embodiment, detect whether CDN node 1 goes out by GSLB
Existing failure.
Specifically, step 101 can specifically include step A1~step A2：
Step A1：The fault detect set up between the first content distribution network node is connected.
GSLB can set up fault detect connection between CDN node 1, specifically, the failure
Detection connection is as communication connection that can be common, and only fault detect connection is used for sending
Fault detection message.
Step A2：By fault detect connection periodically to the first content distribution network
Node sends fault detection message.
GSLB connects to send event to CDN node 1 by the fault detect set up in step A1
Barrier detection message, wherein, the fault detection message can be that is provided with a fault detection capability
Packet, CDN node 1 received after the specific packet, it is possible to be according to itself
The actual conditions of no failure are fed back to GSLB.Wherein, GSLB can set one
Time cycle, such as 10 seconds, thus can every 10 seconds to CDN node 1 send one
Individual fault detection message.Certainly, the numerical value of time cycle can be according to real network situation and demand
Independently set by those skilled in the art.
Step 102：According to the first content distribution network node for the fault detection message
Failure feedback, judges whether the first content distribution network node breaks down, if it is,
Then enter step 103.
In this step, CDN node 1 receive GSLB transmission fault detection message after,
If itself at present can normal service, can be informed with response message back to normal to GSLB
GSLB oneself can normally provide internet content, therefore, and GSLB can be by within the set time
Whether (such as 10 seconds) do not return to normal response message to judge whether CDN node 1 occurs
Failure, if not returning to normal response message, GSLB also to 10 seconds CDN nodes 1
Judge that CDN node 1 occurs in that failure, it is on the contrary then judgement CDN node 1 is normal.Or, CDN
Node 1 can also receive the fault detection message of GSLB transmissions after there are some failures
Afterwards, a Fisrt fault notification message is sent to GSLB, for notifying GSLB oneself to occur
Failure, if GSLB have received Fisrt fault notification message, judges that CDN node 1 goes out
Show failure, it is on the contrary then judge that CDN node 1 is normal.
Wherein, the particular content of normal response message and Fisrt fault notification message and carrying form, all
It can make an appointment, CDN saved between GSLB and CDN node 1 as long as can play
The failure that point 1 occurs carries out the effect of successfully judgement, and any content and carrying form are all possible.
Both particular contents and form are not limited in the application yet.
Step 103：The situation whether the first content distribution network node is broken down notifies institute
State residential gateway.
GSLB is when judging that obtaining CDN node 1 breaks down, just by CDN node 1
The situation of failure notifies that to RGW RGW just will not after GSLB notice is received
The internet content access request of UE triggerings is forwarded to CDN node 1 again, but forwards it to
The second content delivery network node 304 being connected with CDN node 1, i.e. CDN node 2, by
CDN node 2 provides internet content corresponding with the internet content access request to UE.
It is understood that the CDN node 2 in the present embodiment can be arranged in the high network core of comparison
On position, its performance can be better than CDN node 1.
Specifically, CDN node 2 is after the internet content access request of RGW forwardings is received,
The content identification in the internet content access request can be got, the content identification can be such as
The video of entitled " certain female star celebrates a birthday " etc..So CDN node 2 can be preserved at itself
The content of the video is searched in internet content, and the internet content is transmitted to by RGW
UE.CDN node 1 and CDN node 2 can safeguard a content identification and internet content
Mutual corresponding tables of data, so that the lookup of internet content can be carried out according to the tables of data.Its
In, CDN node 1 can be arranged near eNB, and CDN node 2 can be arranged in it is higher
Core position, therefore, the capacity and performance of CDN node 1 are all smaller than CDN node 2.
Certainly, if GSLB judges that it is normal work shape to obtain CDN node 1 in a step 102
State, then need not send to RGW
Optionally, after step 103, it can also include：
Step 104：The failure notification response that the residential gateway is returned is received, the failure notification is rung
Applied to notifying residential gateway described in the GSLB server no longer to the first content
Distribution network node sends internet content access request.
Optionally, RGW is after the notice of failure situation of GSLB transmissions is received, Ke Yizai
A failure notification response is returned to GSLB, the failure notification is responded for notifying GSLB, should
RGW has known that CDN node 1 breaks down, therefore is no longer sent mutually to the CDN node 1
Networking content access request.
It can be seen that, in the present embodiment, if the performance being arranged near eNB is less compared with low capacity
CDN node 1 breaks down, and will be unable to normally provide internet content to UE, therefore,
, can be with proactive notification RGW, RGW in the case that the CDN node 1 that GSLB detects breaks down
Just stop sending internet content access request to the CDN node 1 of the failure, and will interconnection
Net content access request is forwarded to the CDN node 2 being connected with CDN node 1, so that by CDN
Node 2 normally provides internet content to UE, it is ensured that user can normally get in time
The internet content that oneself request is accessed.
With reference to Fig. 3, a kind of flow chart of data processing method embodiment of the application, this implementation are shown
Example can apply on the RGW that is connected respectively with CDN node 1 and GSLB；The present embodiment can
To comprise the following steps：
Step 301：Receive the second fault notification message that the GSLB server is sent.
For RGW, in the internet content access receiving eNB forwardings, UE is initiated
During request, in the case that CDN node 1 does not break down, because CDN node 2 is arranged
From eNB farther out, so preferential internet access request can be transmitted into CDN node 1, by
The internet content that CDN node 1 accesses to provide a user user to ask.Wherein, CDN node
1 is smaller due to Capacity Ratio CDN node 2, and performance is also lower than CDN node 2, so CDN
The internet content that node 1 is preserved can be the subset for the internet content that CDN node 2 is preserved.
And if GSLB detects CDN node 1 and broken down, then RGW will be received
The second fault notification message that GSLB is sent in real time to RGW, wherein, the second fault notification message
Can be：GSLB is in the case where detecting the failure of CDN node 1, for notifying RGW
A kind of message that the CDN node 1 breaks down.
Step 302：The internet content access request triggered in response to user equipment, by the interconnection
Net content access request is forwarded to the second content point being connected with the first content distribution network node
Send out network node.
After the second fault notification message of GSLB transmissions is received, RGW is known that CDN is saved
Point 1 breaks down, therefore, is visited if receiving eNB forwardings, UE triggerings internet again
Request is asked, just stops forwarding internet access request to CDN node 1 again, but this is interconnected
Net access request is first transmitted to SGW, then is transmitted to PGW by SGW, then by PGW that this is mutual
Internet interview request is transmitted to CDN node 2, so as to realize by CDN node 2 to provide to UE
Corresponding internet content.
Step 303：The feelings of corresponding internet content are returned in second content delivery network node
Under condition, the internet content is forwarded to the user equipment.
In this step, internet content access request is transmitted to after CDN node 2, CDN
Node 2 can will itself preserve internet content corresponding with the request, then pass sequentially through PGW and
SGW is transmitted to RGW, so that internet content is supplied into UE.
Further, after step 303, it can also include：
Step 304：Failure notification response is sent to the GSLB server.
Wherein, RGW receive GSLB transmission the second fault notification message after, in order that
GSLB recognizes the state of oneself, can also return to a failure notification to GSLB and respond, the event
Barrier push-notification-answer can notify the GSLB RGW to know that CDN node 1 occurs in that failure,
RGW also no longer can send internet content access request to CDN node 1.
It is understood that the present embodiment and the difference of the embodiment shown in Fig. 1 are, this
The executive agent of embodiment is RGW, and other not most parts are with reference to the embodiment shown in Fig. 1.
In the present embodiment, RGW can receive GSLB and be sent out after the failure of CDN node 1
The failure notification sent, so that in the case where learning that CDN node 1 breaks down, can be by originally
The internet content access request sent to CDN node 1 is forwarded to what is be connected with CDN node 1
CDN node 2, so as to find CDN node in time by the fault detect to CDN node 1
1 failure situation, further, moreover it is possible to ensure that the internet content that user's request is accessed can be normal
Get, access of the user in actual applications to internet content is not influenceed.
For foregoing embodiment of the method, in order to be briefly described, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the application is not by described action
The limitation of order, because according to the application, some steps can be entered sequentially or simultaneously using other
OK.Secondly, those skilled in the art should also know, embodiment described in this description belongs to
In preferred embodiment, necessary to involved action and module not necessarily the application.
It is corresponding with the method that a kind of fault detection method embodiment of above-mentioned the application is provided, referring to
Fig. 4, present invention also provides GSLB embodiments, it is described respectively with first content distribution network node
It is connected with residential gateway；In the present embodiment, the GSLB can include：
Fault detection message module 401 is sent, for being sent to the first content distribution network node
Fault detection message.
Wherein, the transmission fault detection message module 401 can specifically include：
Connection submodule is set up, for setting up the failure between the first content distribution network node
Detection connection；With transmission message submodule, for connecting periodic by the fault detect
Fault detection message is sent to the first content distribution network node.
Judge module 402, for being examined according to the first content distribution network node for the failure
The feedback of message is surveyed, judges whether the first content distribution network node breaks down.
Wherein, the judge module 402 can specifically include：
Submodule is triggered, for triggering the second judging submodule of the first judging submodule or triggering；
First judging submodule, for judging whether the first content distribution network node returns
Fisrt fault notification message；With second judging submodule, for judging the first content
Whether distribution network node returns to normal response message not within the set time.
Notification module 403, in the result of the judge module in the case of being, by described the
The situation whether one content delivery network node breaks down notifies the residential gateway, so as to described
The internet content access request that user equipment is triggered is forwarded to and the first content by residential gateway
The second connected content delivery network node of distribution network node, the second content distributing network section
Point is used to provide internet content to the user equipment.
Wherein, the GSLB can also include：
Failure notification respond module 404 is received, for receiving the failure notification that the residential gateway is returned
Response, the failure notification is responded for notifying to reside net described in the GSLB server
Close and no longer send internet content access request to the first content distribution network node.
It can be seen that, in the present embodiment, if the performance being arranged near eNB is less compared with low capacity
CDN node 1 breaks down, and will be unable to normally provide internet content to UE, therefore,
, can be with proactive notification RGW, RGW in the case that the CDN node 1 that GSLB detects breaks down
Just stop sending internet content access request to the CDN node 1 of the failure, and will interconnection
Net content access request is forwarded to the CDN node 2 being connected with CDN node 1, so that by CDN
Node 2 normally provides internet content to UE, it is ensured that user can normally get in time
The internet content that oneself request is accessed.
It is corresponding with the method that a kind of fault detection method embodiment of above-mentioned the application is provided, with reference to figure
Shown in 5, present invention also provides RGW, the RGW respectively with CDN node 1 and GSLB phases
Even；In the present embodiment, it can include：
The second fault notification message module 501 is received, for receiving the GSLB server
The notification message of transmission, second fault notification message is：The GSLB server
It is described for notifying in the case where detecting the first content distribution network node failure
The message that first content distribution network node described in residential gateway breaks down.
Request module 502 is forwarded, the internet content for being triggered in response to user equipment is accessed please
Ask, the internet content access request is forwarded to and the first content distribution network node phase
The second content delivery network node even.
Content module 503 is forwarded, it is corresponding mutual for being returned in second content delivery network node
In the case of content of networking, the internet content is forwarded to the user equipment.
Wherein, the RGW can also include：
Failure notification respond module 504 is sent, for sending event to the GSLB server
Hinder push-notification-answer, the failure notification is responded for notifying described in the GSLB server
Residential gateway no longer sends internet content access request to the first content distribution network node.
In the present embodiment, RGW can receive GSLB and be sent out after the failure of CDN node 1
The failure notification sent, so that in the case where learning that CDN node 1 breaks down, can be by originally
The internet content access request sent to CDN node 1 is forwarded to what is be connected with CDN node 1
CDN node 2, so as to find CDN node in time by the fault detect to CDN node 1
1 failure situation, further, moreover it is possible to ensure that the internet content that user's request is accessed can be normal
Get, access of the user in actual applications to internet content is not influenceed.
It should be noted that each embodiment in this specification is described by the way of progressive,
What each embodiment was stressed is between the difference with other embodiment, each embodiment
Identical similar part mutually referring to.For device class embodiment, due to itself and method
Embodiment is substantially similar, so description is fairly simple, referring to the portion of embodiment of the method in place of correlation
Defend oneself bright.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relation
Term is used merely to make a distinction an entity or operation with another entity or operation, without
It is certain to require or imply between these entities or operation there is any this actual relation or suitable
Sequence.Moreover, term " comprising ", "comprising" or its any other variant be intended to it is non-exclusive
Property is included, so that process, method, article or equipment including a series of key elements are not only
Including those key elements, but also other key elements including being not expressly set out, or also including being
This process, method, article or the intrinsic key element of equipment.In the situation of not more limitations
Under, the key element limited by sentence "including a ...", it is not excluded that including the key element
Also there is other identical element in process, method, article or equipment.
Above to fault detection method provided herein, GSLB server and resident net
Pass is described in detail, used herein principle and embodiment of the specific case to the application
It is set forth, the explanation of above example is only intended to help and understands the present processes and its core
Thought is thought；Simultaneously for those of ordinary skill in the art, according to the thought of the application, in tool
It will change in body embodiment and application, in summary, this specification content is not
It is interpreted as the limitation to the application.
Claims (13)
1. a kind of fault detection method, it is characterised in that this method be applied to respectively with first content
On the GSLB server that distribution network node is connected with residential gateway, this method includes：
Fault detection message is sent to the first content distribution network node；
Failure according to the first content distribution network node for the fault detection message is fed back
Situation, judges whether the first content distribution network node breaks down, if it is, by institute
State the situation whether first content distribution network node break down and notify the residential gateway, so as to
The internet content access request that user equipment is triggered is forwarded to and described first by the residential gateway
The second connected content delivery network node of content delivery network node, second content delivery network
Network node is used to provide internet content to the user equipment.
2. according to the method described in claim 1, it is characterised in that described to the first content
Distribution network node sends fault detection message, including：
The fault detect set up between the first content distribution network node is connected；
Periodically sent by fault detect connection to the first content distribution network node
Fault detection message.
3. according to the method described in claim 1, it is characterised in that described according in described first
Content distributing network node is directed to the feedback of the fault detection message, judges the first content
Whether distribution network node breaks down, including：
Judge whether the first content distribution network node returns to Fisrt fault notification message, or,
Judge whether the first content distribution network node returns to normal response not within the set time and disappear
Breath.
4. according to the method described in claim 1, it is characterised in that also include：
The failure notification response that the residential gateway is returned is received, the failure notification is responded for notifying
Residential gateway described in the GSLB server is no longer to the first content distribution network section
Point sends internet content access request.
5. a kind of data processing method, it is characterised in that this method be applied to respectively with first content
On the residential gateway that distribution network node is connected with GSLB server；This method includes：
Receive the second fault notification message that the GSLB server is sent, second event
Hindering notification message is：The GSLB server is detecting the first content distribution net
In the case that network node breaks down, for notifying first content described in the residential gateway to distribute net
The message that network node breaks down；
The internet content access request triggered in response to user equipment, the internet content is accessed
Request is forwarded to the second content distributing network section being connected with the first content distribution network node
Point；
In the case where second content delivery network node returns to corresponding internet content, by institute
State internet content and be forwarded to the user equipment.
6. method according to claim 5, it is characterised in that also include：
Failure notification response is sent to the GSLB server, the failure notification response is used
No longer distribute in notifying residential gateway described in the GSLB server to the first content
Network node sends internet content access request.
7. a kind of GSLB server, it is characterised in that the GSLB service
Device is connected with first content distribution network node with residential gateway respectively, and the server includes：
Fault detection message module is sent, for sending failure to the first content distribution network node
Detect message；
Judge module, for disappearing according to the first content distribution network node for the fault detect
The feedback of breath, judges whether the first content distribution network node breaks down；
Notification module, in the case of being in the result of the judge module, in described first
The situation whether content distributing network node breaks down notifies the residential gateway, so as to described resident
The internet content access request that user equipment is triggered is forwarded to by gateway distributes with the first content
The second connected content delivery network node of network node, second content delivery network node is used
In to the user equipment provide internet content.
8. server according to claim 7, it is characterised in that the transmission fault detect
Message module includes：
Connection submodule is set up, for setting up the failure between the first content distribution network node
Detection connection；
Message submodule is sent, for being connected periodically in described first by the fault detect
Content distributing network node sends fault detection message.
9. server according to claim 7, it is characterised in that the judge module includes：
Submodule is triggered, for triggering the second judging submodule of the first judging submodule or triggering；
First judging submodule, for judging whether the first content distribution network node returns
Fisrt fault notification message；
Second judging submodule, for judging whether the first content distribution network node does not exist
Normal response message is returned in set time.
10. server according to claim 7, it is characterised in that also include：
Failure notification respond module is received, is rung for receiving the failure notification that the residential gateway is returned
Should, the failure notification is responded for notifying residential gateway described in the GSLB server
No longer internet content access request is sent to the first content distribution network node.
11. a kind of residential gateway, it is characterised in that the residential gateway is distributed with first content respectively
Network node is connected with GSLB server, including：
The second fault notification message module is received, is sent for receiving the GSLB server
Notification message, second fault notification message is：The GSLB server is in inspection
It is described resident for notifying in the case of measuring the first content distribution network node failure
The message that first content distribution network node described in gateway breaks down；
Request module is forwarded, will for the internet content access request triggered in response to user equipment
The internet content access request is forwarded to be connected with the first content distribution network node
Two content delivery network nodes；
Content module is forwarded, for returning to corresponding internet in second content delivery network node
In the case of content, the internet content is forwarded to the user equipment.
12. residential gateway according to claim 11, it is characterised in that also include：
Failure notification respond module is sent, is led to for sending failure to the GSLB server
Know response, the failure notification is responded for notifying to reside described in the GSLB server
Gateway no longer sends internet content access request to the first content distribution network node.
13. a kind of fault detection system, it is characterised in that including：GSLB server,
Residential gateway, first content distribution network node and the second content delivery network node, wherein,
The GSLB server includes sending fault detection message module, judge module and led to
Know module, the transmission fault detection message module is used for the first content distribution network node
Send fault detection message；The judge module is used for according to the first content distribution network node
For the feedback of the fault detection message, judge that the first content distribution network node is
It is no to break down；The notification module is used in the case where the result of the judge module is to be,
The situation whether the first content distribution network node is broken down notifies the residential gateway；
The residential gateway module include receive the second fault notification message module, forwarding request module and
Content module is forwarded, the second fault notification message of reception module is described global negative for receiving
The notification message that equalization server is sent is carried, second fault notification message is：It is described global negative
Equalization server is carried in the case where detecting the first content distribution network node failure,
For the message for notifying first content distribution network node described in the residential gateway to break down；Institute
Forwarding request module is stated, will for the internet content access request triggered in response to user equipment
The internet content access request is forwarded to be connected with the first content distribution network node
Two content delivery network nodes；The forwarding content module, in second content delivery network
In the case that network node returns to corresponding internet content, the internet content is forwarded to described
User equipment；
The first content distribution network node, for being sent in the transmission fault detection message module
In the case of fault detection message, to the GSLB server feedback failure situation；
Second content delivery network node, for the internet sent in response to the residential gateway
Content access request, sends corresponding with the internet content access request to the residential gateway
Internet content.
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