CN110011826A - A kind of method and device for realizing OAM ETH-ED based on chip - Google Patents
A kind of method and device for realizing OAM ETH-ED based on chip Download PDFInfo
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- CN110011826A CN110011826A CN201910142475.7A CN201910142475A CN110011826A CN 110011826 A CN110011826 A CN 110011826A CN 201910142475 A CN201910142475 A CN 201910142475A CN 110011826 A CN110011826 A CN 110011826A
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- mep
- eth
- chip
- message
- edm
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Classifications
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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
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
-
- 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
Abstract
Present invention discloses a kind of method and devices that OAM EHT-ED is realized based on chip, and method includes local terminal MEP when monitoring failure, send ETH-EDM message to the distal end MEP for belonging to same MEG with local terminal MEP by the chip on the local terminal MEP；For distal end MEP when receiving the ETH-EDM message to match, into alarm shield, and enabled timer is interrupted, when the timer is decremented to preset value from initial value, distal end MEP exits interruption alarm shield.The present invention realizes that the transmission, reception and alarm of ETH-EDM message inhibit by chip, can reduce the complexity that software realization alarm inhibits function, improves the efficiency that alarm inhibits.
Description
Technical field
The present invention relates to network communication technology fields, more particularly, to a kind of method for realizing OAM ETH-ED based on chip
And device.
Background technique
Ethernet OAM (Operation Administration and Maintenance, Operations, Administration and Maintenance) is
A kind of tool for monitoring network failure can effectively improve the ability that manages and maintains of Ethernet, the stabilization of Logistics networks
Operation.When device manufacturer's online updating software perhaps firmware or MEG (Maintenance Entity Group, entity management
Group) in increase newly new MEP (Maintenance Entity Group End of Point, a management entity group endpoint) when, this
When Local MEP need to stop sending CCM (Continuity Check Message, continuity detect message) message, opposite end MEP meeting
It generates the OAM such as DLOC (diagnosis is lost in Loss of Continuity, link) to interrupt, but actual data service stream is in normal
State, and the OAM warning information generated should ignore.To ignore above-mentioned alarm, opposite end MEP receives ETH-EDM (Ethernet
Expected Defect Message, Ethernet it is expected alarm information) interruption is entered by software after message ignores state, stop
The alarm such as DLOC is ignored in the only reception of CCM message.However DLOC etc. is ignored by software and is interrupted, inefficiency, and realize phase
To complexity.In addition, local terminal MEP, which is based on CPU, sends ETH-EDM message, inefficiency to opposite end MEP.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of side that OAM ETH-ED is realized based on chip is provided
Method and device.
To achieve the above object, the following technical solutions are proposed by the present invention: a kind of side realizing OAM ETH-ED based on chip
Method, including
Local terminal MEP belongs to together when monitoring failure, through the chip on the local terminal MEP to the local terminal MEP
The distal end MEP of one MEG sends ETH-EDM message；
Distal end MEP into interruption alarm shield, and enables timer when receiving the ETH-EDM message to match, when
When the timer is decremented to preset value from initial value, distal end MEP exits interruption alarm shield.
Preferably, the chip single on the local terminal MEP or periodically to distal end MEP send ETH-EDM message.
Preferably, the distal end MEP is in timer decrementing procedure, described fixed if receiving new ETH-EDM message
When device be restored to initial value and successively decrease again.
Preferably, the initial value of the timer is obtained from the ETH-EDM message received.
Preferably, the chip includes at least fpga chip or NP chip or asic chip.
Present invention further teaches it is a kind of based on chip realize OAM ETH-ED device, including local terminal MEP and at least one
Belong to the distal end MEP of same MEG with the local terminal MEP,
The local terminal MEP be used for when monitoring failure, by the chip on the local terminal MEP to the local terminal MEP
The distal end MEP for belonging to same MEG sends ETH-EDM message；
The distal end MEP is used for when receiving the ETH-EDM message to match, into interruption alarm shield, and is enabled
Timer, when the timer is decremented to preset value from initial value, distal end MEP exits interruption alarm shield.
Preferably, the chip single on the local terminal MEP or periodically to distal end MEP send ETH-EDM message.
Preferably, the distal end MEP is in timer decrementing procedure, described fixed if receiving new ETH-EDM message
When device be restored to initial value and successively decrease again.
Preferably, the initial value of the timer is obtained from the ETH-EDM message received.
Preferably, the chip includes at least fpga chip or NP chip or asic chip.
The beneficial effects of the present invention are:
(1) it realizes that the transmission, reception and alarm of ETH-EDM message inhibit by chip, can reduce software realization alarm
The complexity for inhibiting function improves the efficiency that alarm inhibits.
(2) ETH-ED function can really be realized by chip, carries out alarm inhibition, and in a network environment, software can only
It theoretically realizes ETH-ED function, can not absolutely inhibit to alert.
Detailed description of the invention
Fig. 1 is flow chart of the method for the present invention schematic diagram；
Fig. 2 is ETH-EDM message structure schematic diagram of the invention；
Fig. 3 is that distal end MEP of the invention receives ETH-EDM Message processing flow chart schematic diagram；
Fig. 4 is the device of the invention structural block diagram schematic diagram.
Specific embodiment
Below in conjunction with attached drawing of the invention, clear, complete description is carried out to the technical solution of the embodiment of the present invention.
In conjunction with shown in FIG. 1 to FIG. 3, a kind of disclosed method that OAM ETH-ED is realized based on chip, including
S100, local terminal MEP belong to when monitoring failure, through the chip on the local terminal MEP to the local terminal MEP
The distal end MEP of same MEG sends ETH-EDM message；
Specifically, maintenance endpoint MEP (Maintenance Entity Group End of Point) is ETH OAM machine
The executing subject of system generally includes multiple MEP in a MEG.It, can be at one when implementation in order to realize that alarm inhibits function
It is configured on MEP (being denoted as local terminal MEP), (distal end can be denoted as to other MEP for belonging to same MEG with local terminal MEP
MEP ETH-EDM message) is sent, distal end MEP stops receiving ETH-CCM message after receiving ETH-EDM message, and inhibits oneself
Alarm is generated, such as inhibits oneself to generate and loses continuity alarm.
When it is implemented, local terminal MEP sends ETH-EDM message to distal end MEP by chip, distal end MEP receives ETH-EDM
Message, and enter after receiving ETH-EDM message and interrupt alarm shield, inhibit the generation of alarm.The present invention by chip into
Row ETH-EDM message sends and receives, and alarm inhibition processing, simplifies the complexity that software realization alarm inhibits, improves
Message processing efficiency.Chip may be selected ASIC (Application Specific Integrated Circuit, it is dedicated integrated
Circuit) chip perhaps FPGA (Field Programmable Gate Array field programmable gate array) chip or NP
(Network Processor, network processing unit) chip etc..
Further, it can make the chip on local terminal MEP that there is ETH-EDM message to send function by configuring the list item of chip
Can, such as by configuring DsEthMep.EDMTxEn list item, whether configuration chip enables ETH-EDM message sending function, when
Indicate that local terminal MEP enables ETH-EDM message sending function when DsEthMep.EDMTxEn=1.
Further, according to business needs, local terminal MEP by chip periodicity sends ETH-EDM report to distal end MEP
Text or local terminal MEP pass through chip single and send ETH-EDM message to distal end MEP.It, can be by configuring the table of chip when implementation
Item control chip is single or periodically sends ETH-EDM message.DsEthMep.EDMTxEn such as by configuring chip
Chip single is controlled with DsEth Mep.EDMTxInterval list item or periodically sends ETH-EDM message, i.e.,
When DsEthMep.EDMTxEn=1, DsEthMep.EDMTxInterval=0, chip single sends ETH-EDM message；
When DsEthMep.EDMTxEn=1, DsEthMep.EDMTxInterval=1~7, ETH-EDM report is sent to chip periodicity
Text.
Specifically, it indicates to send ETH-EDM message every 3.33ms as DsEthMep.EDMTxInterval=1；
It indicates to send ETH-ED M message every 10ms when DsEthMep.EDMTxInterval=2；
It indicates to send ETH-EDM message every 100ms when DsEthMep.EDMTxInterval=3；
It indicates to send ETH-EDM message every 1s when DsEthMep.EDMTxInterval=4；DsEthMep.EDMTxInterval=
It indicates to send ETH-EDM message every 10s when 5；It indicates to send every 1min when DsEth Mep.EDMTxInterval=6
ETH-EDM message；It indicates to send ETH-EDM message every 10min when DsEthMep.EDMTxInterval=7.Certainly, may be used
The sending cycle of ETH-EDM message to be arranged according to actual needs.
S200, distal end MEP into interruption alarm shield, and enable timing when receiving the ETH-EDM message to match
Device, when the timer is decremented to preset value from initial value, distal end MEP exits interruption alarm shield.
Specifically, in conjunction with shown in Fig. 2 and Fig. 3, ETH-EDM message format, wherein Expected Duration field is indicated
It is expected that distal end MEP enters the duration for interrupting alarm shield, the chip list item on local terminal MEP can be passed through
DsEthMep.ExpectDuration configuration is realized, when implementation, the chip on local terminal MEP can general when construct ETH-EDM message
Value in DsEthMep.ExpectDuration list item is added in the Expected Duration field of ETH-EDM message.
Local terminal MEP single periodically sends ETH-EDM message to distal end MEP, and when distal end, MEP receives ETH-EDM
When message, distal end MEP, which enters, interrupts alarm shield state, stops receiving ETH-CCM message, and inhibits oneself to generate alarm, and
Enabled timer.ASIC (Application Specific Integrated Circuit, dedicated integrated electricity may be selected in chip
Road) chip perhaps FPGA (Field Programmable Gate Array field programmable gate array) chip or NP
(Network Processor, network processing unit) chip etc..
When implementation, distal end MEP can be made it by configuring the list item of chip and interrupt alarm shield state, such as by by core
The list item DsEthMep.EMDRxEn of piece is configured to 1, makes it into and interrupts alarm shield state.
Further, distal end MEP enters before interrupting alarm shield, distal end MEP also need to judge ETH-EDM message whether be
Its matched message, when implementation, distal end MEP can be judged based on port numbers, vlan number and MEG Level.If ETH-EDM is reported
Text is its matched message, then travels further into interruption alarm shield, otherwise, by packet loss.
Further, when timer is enabled, the initial value of timer is obtained from the ETH-EDM message received, and is protected
It deposits into the chip list item on the MEP of distal end, that is, saves into chip list item DsEth Mep.RemoteExpectDuration.When
When distal end MEP enters interruption alarm shield, timer starts gradually to successively decrease from initial value, when being decremented to preset value, distal end MEP
It exits and interrupts alarm shield state.When it is implemented, be 0 with preset value being best.
Timer is from initial value decrementing procedure, if distal end MEP is received again by new ETH-EDM message, timer is extensive
It answers to initial value (initial value can be obtained from the chip list item DsEthMep.RemoteExpectDuration of distal end MEP), and
Continuation is successively decreased from initial value, and until timer is decremented to preset value, distal end MEP, which is just exited, interrupts alarm shield state, and again
ETH-CCM message is received, is normally reported if generating lose alarm, the distal end MEP such as continuity alarm at this time.
In the present embodiment, timer is based on timer (Timer) realization in OAM engine, the period of OAM timer
1ms, every 1000 Timer, timer successively decrease 1.
As shown in figure 4, present invention further teaches a kind of device for realizing OAM ETH-ED based on chip, including local terminal MEP
With distal end MEP, wherein distal end MEP and local terminal MEP belongs to same MEG, and local terminal MEP is used for when monitoring failure, by described
Chip on local terminal MEP sends ETH-EDM message to the distal end MEP for belonging to same MEG with the local terminal MEP；Distal end MEP is connecing
When receiving the ETH-EDM message to match, into interrupting alarm shield, and enabled timer, when the timer is from initial value
When being decremented to preset value, distal end MEP exits interruption alarm shield.
Specifically, maintenance endpoint MEP (Maintenance association End Point) is ETH OAM mechanism
Executing subject generally includes multiple MEP in a MEG (Maintenance association End Poin).When implementation,
It need to only be configured on a MEP (being denoted as local terminal MEP), it can be to other MEP for belonging to same MEG with local terminal MEP
(being denoted as distal end MEP) sends ETH-EDM message, and distal end MEP stops receiving ETH-CCM message after receiving ETH-EDM message, and
Inhibit oneself to generate alarm, such as inhibits oneself to generate and lose continuity alarm.
Further, local terminal MEP sends ETH-EDM message to distal end MEP by chip, and distal end MEP receives ETH-EDM report
Text, and enter after receiving ETH-EDM message and interrupt alarm shield, inhibit the generation of alarm.The present invention is carried out by chip
ETH-EDM message sends and receives, and alarm inhibition processing, simplifies the complexity that software realization alarm inhibits, improves report
Literary treatment effeciency.ASIC (Application Specific Integrated Circuit, dedicated integrated electricity may be selected in chip
Road) chip perhaps FPGA (Field Programmable Gate Array field programmable gate array) chip or NP
(Network Processor, network processing unit) chip etc..
Further, the chip on local terminal MEP can be made to send with ETH-EDM message by configuring the list item of chip
Function, such as by configuring DsEthMep.EDMTxEn list item, whether configuration chip enables ETH-EDM message sending function, when
Indicate that local terminal MEP enables ETH-EDM message sending function when DsEthMep.EDMTxEn=1.
When implementation, according to business needs, local terminal MEP by chip periodicity sends ETH-EDM message to distal end MEP,
Or local terminal MEP sends ETH-EDM message to distal end MEP by chip single.Chip can be controlled by configuring the list item of chip
It is single or periodically sends ETH-EDM message.Such as by configure chip DsEthMep.EDMTxEn and
DsEthMep.EDMTx Interval list item come control chip single or periodically send ETH-EDM message, i.e. DsEth
When Mep.EDMTxEn=1, DsEthMep.EDMTxInterval=0, chip single sends ETH-EDM message；
When DsEthMep.EDMTxEn=1, DsEthMep.EDMTxInterval=1~7, ETH-EDM report is sent to chip periodicity
Text.
Specifically, it indicates to send ETH-EDM message every 3.33ms as DsEthMep.EDMTxInterval=1；
It indicates to send ETH-EDM message every 10ms when DsEthMep.EDMTxInterval=2；DsEthMep.EDMTxInterval
It indicates to send ETH-EDM message every 100ms when=3；It indicates to send every 1s when DsEthMep.EDMTxInterval=4
ETH-EDM message；It indicates to send ETH-EDM message every 10s when DsEthMe p.EDMTxInterval=5；
It indicates to send ETH-EDM message every 1min when DsEthMep.EMDTxInterval=6；DsEthMep.EDMTxI
It indicates to send ETH-EDM message every 10min when nterval=7.It is of course also possible to which setting ETH-EDM is reported according to actual needs
The sending cycle of text.
Local terminal MEP single periodically sends ETH-EDM message to distal end MEP, and when distal end, MEP receives ETH-EDM
When message, distal end MEP, which is immediately entered, interrupts alarm shield state, stops receiving ETH-CCM message, and inhibits oneself to generate announcement
It is alert, and enabled timer.ASIC (Application Specific Integrated Circuit, dedicated collection may be selected in chip
At circuit) chip perhaps FPGA (Field Programmable Gate Array field programmable gate array) chip or NP
(Network Processor, network processing unit) chip etc..
When implementation, distal end MEP can be made it by configuring the list item of chip and interrupt alarm shield state, such as by by core
The list item DsEthMep.EMDRxEn of piece is configured to 1, makes it into and interrupts alarm shield state.
Further, distal end MEP enters before interrupting alarm shield, distal end MEP also need to judge ETH-EDM message whether be
Its matched message, when implementation, distal end MEP can be judged based on port numbers, vlan number and MEG Level.If ETH-EDM is reported
Text is its matched message, then travels further into interruption alarm shield, otherwise, by packet loss.
Further, when timer is enabled, the initial value of timer is obtained from the ETH-EDM message received, and is protected
It deposits into the chip list item on the MEP of distal end, that is, saves into chip list item DsEth Mep.RemoteExpctDuration.When
When distal end MEP enters interruption alarm shield, timer starts gradually to successively decrease from initial value, when being decremented to preset value, distal end MEP
It exits and interrupts alarm shield state.When it is implemented, be 0 with preset value being best.
Timer is from initial value decrementing procedure, if distal end MEP is received again by new ETH-EDM message, timer is extensive
It answers to initial value (initial value can be obtained from the chip list item DsEthMep.RemoteExpctDuration of distal end MEP), and
Continuation is successively decreased from initial value, and until timer is decremented to preset value, distal end MEP, which is just exited, interrupts alarm shield state, and again
ETH-CCM message is received, is normally reported if generating lose alarm, the distal end MEP such as continuity alarm at this time.
In the present embodiment, timer is based on timer (Timer) realization in OAM engine, the period of OAM timer
1ms, every 1000 Timer, timer successively decrease 1.
Technology contents and technical characteristic of the invention have revealed that as above, however those skilled in the art still may base
Make various replacements and modification without departing substantially from spirit of that invention, therefore, the scope of the present invention in teachings of the present invention and announcement
It should be not limited to the revealed content of embodiment, and should include various without departing substantially from replacement and modification of the invention, and be this patent Shen
Please claim covered.
Claims (10)
1. a kind of method for realizing OAM ETH-ED based on chip, which is characterized in that including
Local terminal MEP belongs to same MEG to the local terminal MEP when monitoring failure, through the chip on the local terminal MEP
Distal end MEP send ETH-EDM message；
Distal end MEP is when receiving the ETH-EDM message to match, into alarm shield, and enabled timer is interrupted, when described
When timer is decremented to preset value from initial value, distal end MEP exits interruption alarm shield.
2. the method according to claim 1, wherein chip single on the local terminal MEP or periodically to
Distal end MEP sends ETH-EDM message.
3. the method according to claim 1, wherein the distal end MEP is in timer decrementing procedure, if receiving
To new ETH-EDM message, then the timer is restored to initial value and successively decreases again.
4. method according to claim 1 or 3, which is characterized in that the initial value of the timer is from the ETH- received
It is obtained in EDM message.
5. the method according to claim 1, wherein the chip include at least fpga chip or NP chip or
Asic chip.
6. it is a kind of based on chip realize OAM ETH-ED device, which is characterized in that including local terminal MEP and at least one with it is described
Local terminal MEP belongs to the distal end MEP of same MEG,
The local terminal MEP is used for when monitoring failure, is belonged to by the chip on the local terminal MEP to the local terminal MEP
The distal end MEP of same MEG sends ETH-EDM message；
The distal end MEP is used for when receiving the ETH-EDM message to match, into interruption alarm shield, and enables timing
Device, when the timer is decremented to preset value from initial value, distal end MEP exits interruption alarm shield.
7. device according to claim 6, which is characterized in that chip single on the local terminal MEP or periodically to
Distal end MEP sends ETH-EDM message.
8. device according to claim 6, which is characterized in that the distal end MEP is in timer decrementing procedure, if receiving
To new ETH-EDM message, then the timer is restored to initial value and successively decreases again.
9. the device according to claim 6 or 8, which is characterized in that the initial value of the timer is from the ETH- received
It is obtained in EDM message.
10. device according to claim 6, which is characterized in that the chip include at least fpga chip or NP chip or
Asic chip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910142475.7A CN110011826A (en) | 2019-02-26 | 2019-02-26 | A kind of method and device for realizing OAM ETH-ED based on chip |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910142475.7A CN110011826A (en) | 2019-02-26 | 2019-02-26 | A kind of method and device for realizing OAM ETH-ED based on chip |
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| CN201910142475.7A Withdrawn CN110011826A (en) | 2019-02-26 | 2019-02-26 | A kind of method and device for realizing OAM ETH-ED based on chip |
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Address after: 215101 unit 13 / 16, 4th floor, building B, No. 5, Xinghan street, Suzhou Industrial Park, Jiangsu Province Applicant after: Suzhou Shengke Communication Co.,Ltd. Address before: Unit 13 / 16, 4th floor, building B, No.5 Xinghan street, Suzhou Industrial Park, 215000 Jiangsu Province Applicant before: CENTEC NETWORKS (SU ZHOU) Co.,Ltd. |
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Application publication date: 20190712 |