CN104683078B - Multiplex section protection system and guard method based on multicast mode - Google Patents
Multiplex section protection system and guard method based on multicast mode Download PDFInfo
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- CN104683078B CN104683078B CN201510063083.3A CN201510063083A CN104683078B CN 104683078 B CN104683078 B CN 104683078B CN 201510063083 A CN201510063083 A CN 201510063083A CN 104683078 B CN104683078 B CN 104683078B
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Abstract
The present invention provides a kind of multiplex section protection (Mulitiplex Section Protection based on multicast mode; MSP) method; it is used to protect emulated disk in circuit emulation service, and MSP guard method transmits/receives switch the following steps are included: being arranged one in each port of each emulated disk to transmit/receive business；Judge whether corresponding ports configure MSP protection in corresponding ports configuration service; if not; then business is established in corresponding ports; if; then judge whether port is primary according to the active and standby port relationship of setting, if so, main port establish business and according to set active and standby port relationship by business configuration to corresponding standby port while be arranged on standby port according to the mode of MSP protection and transmit/receive switch; if it is not, then establishing business in standby port.Emulated disk where this method will be configured to the business of master port place emulated disk while be configured to standby port with multicast mode, facilitates active and standby port to carry out service switching.The present invention also provides a kind of, and the MSP based on multicast mode protects system.
Description
Technical field
The present invention relates to circuit emulation service (Circuit Emulation Service, CES) more particularly to a kind of bases
In the multiplex section protection multiplex section protection system of multicast mode and guard method.
Background technique
Currently, circuit emulation service (Circuit Emulation Service, CES) is a kind of is by PDH/SDH number
The technology that synchronous data flow in column is transmitted in based on packet network builds a virtual private on a packet switched network
Line service (Virtual Private Wire Service, VPWS) business " channel ", from emulated disk generate TDM business packet from
Ethernet disk increases header after issuing, with IP packet, multiprotocol label switching (Multi-Protocol Label Switching,
MPLS) each E1 or T1 frame of the encapsulation such as packet, the business packet after encapsulation are transparent to opposite end by the packet switching network.Destination Ethernet
Disk regenerates synchronizing clock signals after receiving data packet, while removing the ethernet packet header in data packet, and other data are turned
Original tdm traffic is melted into send out from emulated disk disk.
Using in CES business to the protection of emulated disk side is multiplex section protection (Mulitiplex Section
Protection, MSP), in PTN network, MSP protected mode include 1+1 one-way/two-way linear multiplex section protection mode and
1:1 linear multiplex section protection mode, the transmission mode (SDH transfer module, STM-N) suitable for synchronous digital system
Interface is logical to protection by service switching when service aisle breaks down by the business on protection path protection service aisle
Road.
However, carrying out needing to reconfigure business when service switching due to breaking down during protecting channel
To protection channel, inconvenient for operation, system stability is poor.
Summary of the invention
In view of this, the present invention provides and a kind of can improve stability and easy to operate multiplex section based on multicast mode is protected
Protect multiplex section protection system and guard method.
It is a kind of based on multicast mode multiplex section protection multiplex section protection (Mulitiplex Section Protection,
MSP) system is used for the main control unit and at least one in circuit emulation service (Circuit Emulation Service, CES)
Port protection is carried out at least one described emulated disk when configuration service between a emulated disk, the MSP protection system includes one
A business configuration module, a MSP relaying configuration module and at least one control module, the business configuration module and described
MSP relaying configuration module is arranged in the main control unit, and each control module, which respectively corresponds, to be arranged in each emulated disk
In, each port of each emulated disk includes one and transmits/receives switch to transmit/receive business, the MSP relaying configuration module use
In the corresponding relationship that main port and standby port is set as needed, the business configuration module the main control unit with it is described
Between each emulated disk configuration service and after active and standby port corresponding relationship is arranged in the MSP relaying configuration module by all primary ends
The business of emulated disk configuration is configured to emulated disk where corresponding standby port simultaneously where mouthful, the business configuration module with it is right
When answering configuration service between port, the control module of emulated disk judges whether the corresponding ports configure where the corresponding ports
MSP protection and the corresponding ports be not configured the corresponding ports are set when MSP protection transmit/receive switch described right
It answers and establishes business between port and the business configuration module, described in the control module judgement of emulated disk where the corresponding ports
Corresponding ports are configured with MSP protection and judge the correspondence according to the active and standby port relationship that the MSP relaying configuration unit is arranged
When port is main port, what the control module of emulated disk where the main port was arranged the corresponding ports transmits/receives switch
With by the business configuration module configuration emulated disk where the main port business in the main port and the industry
It is established between business configuration module, the control module of emulated disk is set according to the MSP relaying configuration where the corresponding standby port
The business configuration that the active and standby port relationship set configured the business configuration module in emulated disk where the standby port is to phase
It answers standby port and the switch that transmits/receives on standby port, emulated disk where the corresponding ports is set according to the mode that MSP is protected
Control module judge the corresponding ports be configured with MSP protection and according to the MSP relaying configuration unit be arranged active and standby end
When mouth relationship judges the corresponding ports for standby port, the control module setting of emulated disk where the standby port is described standby
Switch is transmitted/received with port the business configuration module to be configured to the business of standby port place emulated disk described
It is established between corresponding ports and the business configuration module.
It is a kind of based on multicast mode multiplex section protection multiplex section protection (Mulitiplex Section Protection,
MSP) method is used for the main control unit and at least one in circuit emulation service (Circuit Emulation Service, CES)
Between a emulated disk when configuration service at least one described emulated disk carry out port protection, the MSP guard method include with
Lower step:
It is arranged one in each port of each emulated disk and transmits/receives switch to transmit/receive business；
Judge whether the corresponding ports are configured with MSP protection in corresponding ports configuration service, if it is not, then described in setting
Corresponding ports transmit/receive switch to establish business in the corresponding ports, if so, sentencing according to set active and standby port relationship
Whether the corresponding ports that break are main port, if so, the setting corresponding main port transmits/receives switch in the master
With port establish business and according to set active and standby port relationship by business configuration to corresponding standby port while according to MSP
The mode of protection, which is arranged on corresponding standby port, transmits/receives switch, if it is not, be then arranged the standby port transmit/receive switch with
Business is established in the corresponding ports.
Compared with prior art, the multiplex section protection multiplex section protection system and guarantor provided by the invention based on multicast mode
In maintaining method, MSP relaying configuration module is arranged active and standby port and corresponds to protection relationship, and business configuration module, which issues in configuration process, leads to
The emulated disk that multicast mode will be configured to the business of master port place emulated disk while be configured to where standby port is crossed, business is same
When be configured to active and standby port where emulated disk, facilitate active and standby port to carry out service switching, increase the reliability of artificial service.
Detailed description of the invention
Fig. 1 is the module diagram of the multiplex section protection multiplex section protection system provided by the invention based on multicast mode.
Fig. 2 is the multiplex section protection multiplex section protection system based on multicast mode that the first MSP protected mode is used in Fig. 1
The transmit-receive position schematic diagram of system.
Fig. 3 is the multiplex section protection multiplex section protection system based on multicast mode that second of MSP protected mode is used in Fig. 1
The transmit-receive position schematic diagram of system.
Fig. 4 is the flow chart of the multiplex section protection multiplex section protection method provided by the invention based on multicast mode.
Fig. 5 is the flow chart that MSP guard method is configured after port step is arranged in Fig. 4
Main element symbol description
MSP protects system 100
Ethernet disk 200
Cross Trade 300
Main control unit 400
Emulated disk 500
Primary emulated disk 500a
Spare emulated disk 500b
Business configuration module 120
MSP relaying configuration module 140
Control module 160
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Referring to Fig. 1, it is a kind of multiplex section protection multiplex section based on multicast mode that embodiment of the present invention provides
(Mulitiplex Section Protection, the MSP) system 100 of protection, is used in circuit emulation service (Circuit
Emulation Service, CES) in at least one described emulated disk carry out port protection, the industry that Ethernet disk 200 issues
Business through between Cross Trade 300 and main control unit 400 and at least one emulated disk 500 with multicast mode configuration service.Each emulated disk
500 each port includes one and transmits/receives switch to transmit/receive business.The MSP protection system 100 includes that a business is matched
Set 120, MSP relaying configuration modules 140 of module and at least one control module 160, the business configuration module and described
MSP relaying configuration module is arranged in the main control unit, and each control module 160 respectively corresponds setting described each imitative
In true disk 500, it is to be understood that the quantity of emulated disk sets itself according to need, in present embodiment, as shown in Fig. 2, MSP
Protection system 100 includes two emulated disks, is respectively main emulated disk 500a and spare emulated disk 500b, active and standby emulated disk 500a,
One control module 160 of setting is respectively corresponded in 500b.
Business configuration module 120 establishes multicast to all emulated disks 500 with multicast mode issuing service, each emulated disk pair
The multicast of a slot position and correspondence establishment is answered, business configuration module 120 need to be obtained in issuing service to each 500 institute of emulated disk
The multicast number of multicast and the slot number of each emulated disk place slot position are built, corresponding multicast member is corresponding emulation in each multicast number
Slot number where disk.In present embodiment, business configuration module 120 is to the multicast number of primary the built multicast of emulated disk 500a
The corresponding slot number of 101, primary emulated disk 500a is 1, then the member in multicast 101 is slot position 1.
MSP relaying configuration module 140 is used to that corresponding standby port to be arranged to the port that need to be protected as needed,
The corresponding relationship of main port and standby port is arranged to protect to configure MSP, in present embodiment, MSP relaying configuration module
The port 1 that 140 setting main ports are primary emulated disk 500a, the standby port of protection main port 1 are spare emulated disk
The port 3 of 500b, the slot number of primary emulated disk 500a is 3 where standby port 3.
MSP relaying configuration module 140 not to main port 1 configure MSP protection when, business configuration module 120 with it is primary
The multicast member of the built business multicast 101 of emulated disk 500a is primary emulated disk 500a, i.e. the multicast member of multicast 101 includes slot
Position 1.
After MSP relaying configuration module 140 is configured with MSP protection to port 1, business configuration module 120 is protected according to MSP
The slot number of emulated disk where standby port is added to main port institute by the active and standby port corresponding relationship that configuration module 140 is arranged
So that when business configuration 120 configuration service of module matches emulated disk where all main ports in the corresponding multicast number of emulated disk
The business set while being configured to emulated disk where corresponding standby port.In present embodiment, business configuration module 120 is by spare end
The slot number 3 of spare emulated disk 500b where mouth 3 is added to the corresponding multicast 101 of the 1 primary emulated disk 500a in place of main port
In, i.e., the multicast member of multicast 101 that business configuration module 120 is built includes slot position 1 and slot position 3, and business configuration module 120 exists
It will be configured to primary emulated disk 500a business when configuring the business of multicast 101 while being configured to spare emulated disk 500b.
It is understood that user can be after 120 configuration service of business configuration module further according to needs pair in CES business
The port that need to be protected carries out protection setting by MSP relaying configuration module 140, can also be in 120 configuration service of business configuration module
Before first pass through after corresponding active and standby port is arranged in MSP relaying configuration module 140 and carried out again through 120 configuration service of configuration module.
The control module 160 of emulated disk between business configuration module 120 and corresponding ports for matching where corresponding ports
The purchase of property judges whether corresponding ports are configured with MSP protection and corresponding ports are arranged when MSP protection is not configured in corresponding ports when being engaged in
Transmit/receive switch to establish business between corresponding ports and business configuration module.In present embodiment, opens and is set as 1,
The setting switch of control module 160 is for 1 to establish business in the port that not set MSP is protected.
The control module 160 of emulated disk where corresponding ports judge that corresponding ports are configured with MSP and protect, due to correspondence
Port is configured with MSP protection, then MSP relaying configuration unit is provided with corresponding active and standby port corresponding relationship, business configuration module
Business is configured to active and standby emulated disk 500a, 500b according to the active and standby port corresponding relationship of setting by 120 simultaneously.
When control module 160 judges corresponding ports according to the active and standby port relationship of setting for main port, main port institute
Existed in the switch that transmits/receives that corresponding ports are arranged in the control module 160 of primary emulated disk 500a with configuring business configuration module 120
The business of primary emulated disk 500a is established between main port and business configuration module 140, spare where corresponding standby port
The active and standby port relationship that the control module 160 of emulated disk 500b is arranged according to MSP relaying configuration 140 is by business configuration module 140
The business configuration configured simultaneously in active and standby emulated disk 500a, 500b is configured to the standby port of corresponding spare emulated disk 500b
To business and the business phase for the corresponding main port for being configured to primary emulated disk 500a of the standby port of spare emulated disk 500b
Together, while the control module 160 of spare emulated disk 500b is arranged on standby port according to the mode that MSP is protected and transmits/receives switch.
It is primary when the port 1 of primary emulated disk 500a corresponding to business need to be configured to slot position 1 in present embodiment
The control module 160 of emulated disk 500a judges business configuration port 1 for main port, and business configuration module 120 need at this time
Configuration service configures active and standby emulated disk 500a, 500b with multicast mode, and the switch that port 1 is arranged in control module 160 will be configured to
The business of primary emulated disk 500a establishes the main port 1 in primary emulated disk 500a, the control module of spare emulated disk 500b
160 establish the business for being configured to spare emulated disk 500b according to active and standby port relationship the standby port in spare emulated disk 500b
3。
The control module 160 of emulated disk where corresponding ports judges that corresponding ports are configured with MSP and protect and protect according to MSP
When the active and standby port relationship that shield configuration unit 140 is arranged judges corresponding ports for standby port, spare emulation where standby port
The control module 160 of disk 500b is arranged transmitting/receiving for standby port and switchs so that business configuration module 120 is configured to spare emulated disk
The business of 500b is established between corresponding ports and business configuration module 120.In present embodiment, when business need to be configured to slot position
Corresponding to 3 when the port 3 of spare emulated disk 500b, the control module 160 of spare emulated disk 500b judges port 3 for spare end
Mouthful, the switch that standby port 3 is arranged in control module 160 establishes business in standby port 3.
Incorporated by reference to Fig. 2 and Fig. 3, the direction of business is sent as sending direction to main control unit 400 using each emulated disk 500, i.e., on
Line direction, using the direction of each emulated disk 500 reception 400 issuing service of main control unit as receiving direction, i.e., down direction, MSP are protected
Mode includes two kinds.As shown in Fig. 2, sent in the first MSP protected mode (1+1 one-way/two-way linear multiplex section protection)
Side sets up main port and opens, and standby port closes, and main port is arranged in a receive direction and standby port is opened, that is, sends
Main port is sent on direction, and standby port do not send, in receiving direction active and standby port receive main control unit 400 be issued to it is active and standby
The business of emulated disk 500a, 500b, as shown in figure 3, being sent out in second of MSP protected mode (1:1 linear multiplex section protection)
The side of sending sets up main port and opens, and standby port closes, and in a receive direction, if main port is opened, standby port is closed, that is, sends
Main port is sent on direction, and standby port is not sent, and main port receives main control unit 400 and is issued to primary end in receiving direction
The business of primary emulated disk 500a where mouthful, standby port do not receive main control unit 400 and are issued to spare emulation where standby port
The business of disk 500b.
Control module 160 for the business for preferably protecting each emulated disk port, each emulated disk 500 is also used to detect master
Whether alerted with port and is accordingly switched in alarm according to transmit/receive switch of the protected mode of MSP to active and standby port.?
In the first MSP protected mode, main port pass is arranged in main port in a transmit direction when alerting, and standby port is opened, connect
Debit sets up main port and standby port is opened, and in second of MSP protected mode, main port is being sent when alerting
Side sets up main port pass, and standby port is opened, and main port is arranged in a receive direction and closes, standby port is opened.
Referring to Fig. 4, it is a kind of multiplex section protection multiplex section based on multicast mode that embodiment of the present invention provides
(Mulitiplex Section Protection, the MSP) method of protection, is used in circuit emulation service (Circuit
Emulation Service, CES) main control unit and at least one emulated disk between configuration service when at least one is imitative to described
True disk carries out port protection, the MSP guard method the following steps are included:
S110: it is arranged one in each port of each emulated disk and transmits/receives switch to transmit/receive business；
S120: judging whether corresponding ports are configured with MSP protection in corresponding ports configuration service, if it is not, then entering step
Rapid S130, if so, entering step S140；
S130: corresponding ports are arranged transmits/receives switch to establish business in corresponding ports；
S140: judge whether corresponding ports are main port according to the active and standby port relationship of setting, if so, entering step
S150, if it is not, then entering step S160；
S150: corresponding main port is arranged transmits/receives switch to establish business in main port and close according to active and standby port
System by business configuration to corresponding standby port while transmitting/receiving out on corresponding standby port be arranged according to the mode of MSP protection
It closes；
S160: standby port is arranged transmits/receives switch to establish business in corresponding standby port.
In step s 110, when protecting each emulated disk initialization of system 100, each emulated disk 500 is arranged in each port
One transmits/receives switch to transmit/receive business, in present embodiment, is respectively provided on each port of active and standby emulated disk 500a, 500b
One transmits/receives switch, opens and is set as 1.When main control unit 400 initializes, business configuration module 120 is obtained to each emulated disk
The slot number of slot position and storage where the multicast number of 500 built multicasts and each emulated disk, in each multicast number corresponding multicast at
Member is slot number where corresponding emulated disk, and business configuration module 120 is with multicast mode to corresponding to the slot number in multicast number
Emulated disk issuing service, in present embodiment, business configuration module 120 matches the primary emulated disk 500a of 1 slot position in multicast 101
Purchase of property business.
It is understood that user can according to actual needs temporarily protect the port configuration MSP that MSP protection is not configured,
MSP protection can also be first set before to port configuration service.
Referring to Fig. 5, including following between step S120 after step S110 when port being first arranged MSP protection
Step:
S110a: the corresponding relationship of setting main port and standby port；
S110b: according to set active and standby port corresponding relationship using the slot number of emulated disk where standby port as group
Broadcast the corresponding multicast number of emulated disk where member is added to main port；
S110c: business when configuration service by emulated disk configuration where main port is configured to corresponding standby port simultaneously
Place emulated disk.
In the step s 120, it between main control unit 400 and corresponding ports when configuration service, is emulated using where corresponding ports
The control module 160 of disk 500 judges whether corresponding ports are configured with MSP protection.It is understood that control module 160 can be with
The active and standby port mapping table being arranged by MSP relaying configuration module 140 inquires whether corresponding ports are configured with MSP protection.
In step s 130, the control module 160 of emulated disk 500 where corresponding ports judges that MSP is not configured in corresponding ports
When protection, control module 160 is arranged transmitting/receiving for corresponding ports and switchs in the business configuration mould of corresponding ports and main control unit 400
Business is established between block 120.In present embodiment, the setting switch of control module 160 is for 1 in the port that not set MSP is protected
Establish business.
In step S140, the control module 160 of emulated disk 500 judges that corresponding ports are configured with MSP where corresponding ports
It protects and judges whether corresponding ports are main port according to the active and standby port relationship that MSP relaying configuration module 140 is arranged, due to
Corresponding ports are configured with MSP protection, then MSP relaying configuration unit is provided with corresponding active and standby port corresponding relationship, business configuration
Business is configured to active and standby imitative where active and standby port respectively corresponds by module 120 simultaneously according to the active and standby port corresponding relationship of setting
True disk 500a, 500b.
In step S150, if the control module 160 of emulated disk 500 judges corresponding ports for primary end where corresponding ports
When mouth, the control module 160 of primary emulated disk 500a where main port is arranged transmitting/receiving for corresponding ports and switchs to match business
It sets the configuration of module 120 to establish between main port and business configuration module 140 in the business of primary emulated disk 500a, correspondence is standby
The control module 160 of spare emulated disk 500b will according to the active and standby port relationship that MSP relaying configuration 140 is arranged where port
Standby port and basis of the business configuration configured simultaneously in active and standby emulated disk 500a, 500b to corresponding spare emulated disk 500b
The mode of MSP protection, which is arranged on standby port, transmits/receives switch.
In present embodiment, MSP protected mode is arranged main port when being the first MSP in a transmit direction and opens, spare
Port is closed, and main port is arranged in a receive direction and standby port is opened, and MSP protected mode is being sent when being second of MSP
Side sets up main port and opens, and standby port closes, and main port is arranged in a receive direction and opens, standby port closes.
In step S160, if the control module 160 of emulated disk is according to MSP relaying configuration unit 140 where corresponding ports
When the active and standby port relationship being arranged judges corresponding ports for standby port, the control mould of spare emulated disk 500b where standby port
Block 160 is arranged transmitting/receiving for standby port and switchs so that business configuration module 120 to be configured to the business of spare emulated disk 500b right
It answers and is established between port and business configuration module 120.In present embodiment, the port 3 of spare emulated disk 500b is where slot position 3
Standby port, when business need to be configured to standby port 3, the switch of standby port 3 is arranged in standby port 3 in control module 160
Establish business.
It is further comprising the steps of in MSP guard method for the business for preferably protecting each emulated disk port:
Detection main port whether alert and alarm when according to MSP protected mode to active and standby port transmit/receive switch into
Row switching.
In the switching of above-mentioned detecting step, in sending direction when the main port in the first MSP protected mode alerts
Upper setting main port closes, and standby port is opened, and main port is arranged in a receive direction and standby port is opened, second of MSP
Main port pass is arranged in main port in protected mode in a transmit direction when alerting, standby port is opened, in a receive direction
Main port is arranged to close, standby port is opened.
In multiplex section protection multiplex section protection system 100 and guard method provided by the invention based on multicast mode,
MSP relaying configuration module 140 is arranged active and standby port and corresponds to protection relationship, and business configuration module 120 is led in issuing configuration process
The business of master port place emulated disk will be configured to according to set active and standby port corresponding relationship while configure by crossing multicast mode
To emulated disk where standby port, emulated disk where business is configured to active and standby port in real time simultaneously, facilitate active and standby port in real time into
Row service switching increases the reliability of artificial service.
It is understood that for those of ordinary skill in the art, can do in accordance with the technical idea of the present invention
Other various changes and modifications out, and all these changes and deformation all should belong to the protection model of the claims in the present invention
It encloses.
Claims (8)
1. a kind of multiplex section protection (Mulitiplex Section Protection, MSP) system based on multicast mode,
For between the main control unit and at least one emulated disk of circuit emulation service (Circuit Emulation Service, CES)
Port protection is carried out at least one described emulated disk when configuration service, the MSP protection system includes a business configuration mould
Block, a MSP relaying configuration module and at least one control module, the business configuration module and the MSP relaying configuration mould
Block is arranged in the main control unit, and each control module, which respectively corresponds, to be arranged in each emulated disk, each emulation
Each port of disk includes one and transmits/receives switch to transmit/receive business, and the MSP relaying configuration module for setting as needed
The corresponding relationship of main port and standby port is set, the business configuration module is between the main control unit and each emulated disk
Configuration service and after active and standby port corresponding relationship is arranged in the MSP relaying configuration module by emulated disk where all main ports
Emulated disk where the business of configuration is configured to corresponding standby port simultaneously, matches between the business configuration module and corresponding ports
When the purchase of property is engaged in, the control module of emulated disk where the corresponding ports judges whether the corresponding ports are configured with MSP protection simultaneously
The corresponding ports be not configured MSP protection when be arranged the corresponding ports transmit/receive switch in the corresponding ports and institute
It states and establishes business between business configuration module, the control module of emulated disk judges that the corresponding ports are matched where the corresponding ports
It has set MSP protection and has judged the corresponding ports to be primary according to the active and standby port relationship that the MSP relaying configuration unit is arranged
When port, what the control module of emulated disk where the main port was arranged the corresponding ports transmits/receives switch with by the industry
The business that configuration module of being engaged in configured in emulated disk where the main port is in the main port and the business configuration module
Between establish, the active and standby port pass that the control module of emulated disk where the standby port be arranged according to the MSP relaying configuration
System by the business configuration module configuration emulated disk where the standby port business configuration to corresponding standby port simultaneously root
The switch that transmits/receives on standby port is set according to the mode that MSP is protected, the control module judgement of emulated disk where the corresponding ports
The corresponding ports are configured with MSP protection and according to the active and standby port relationship judgements that the MSP relaying configuration unit is arranged
When corresponding ports are standby port, transmitting/receiving for the standby port is arranged in the control module of emulated disk where the standby port
The business configuration module to be configured to the business of standby port place emulated disk in the corresponding ports and institute by switch
It states and is established between business configuration module；
The business configuration module establishes multicast to all emulated disks with multicast mode issuing service, and the business configuration module obtains
Take the slot number to slot position where the multicast number of the built multicast of each emulated disk and each emulated disk, corresponding multicast in each multicast number
Member is slot number where corresponding emulated disk, and active and standby port is arranged in the MSP relaying configuration module in the business configuration module
Emulated disk where the slot number of emulated disk where the standby port is added to the main port after corresponding relationship is corresponding
So that when the business configuration module configuration service simultaneously by the business of emulated disk configuration where all main ports in multicast number
Emulated disk where being configured to corresponding standby port.
2. the multiplex section protection system based on multicast mode as described in claim 1, which is characterized in that the protection side MSP
Formula includes two kinds, and each emulated disk is sending direction to the direction that the main control unit sends business, and each emulated disk receives
The direction of the main control unit issuing service is receiving direction, the first MSP protected mode is that sender sets up main port
It opens, standby port closes, and main port is arranged in a receive direction and standby port is opened, second of MSP protected mode is to send out
The side of sending sets up main port and opens, and standby port closes, and in a receive direction, if main port is opened, standby port is closed.
3. the multiplex section protection system based on multicast mode as claimed in claim 2, which is characterized in that each emulated disk
Control module be also used to detect main port whether alert and in alarm according to the protected mode of MSP to the receipts of active and standby port/
Hair switch is accordingly switched.
4. the multiplex section protection system based on multicast mode as claimed in claim 3, which is characterized in that protected in the first MSP
In shield mode, main port pass is arranged in main port in a transmit direction when alerting, and standby port is opened, is arranged in a receive direction
Main port and standby port are opened, and in second of MSP protected mode, master is arranged when alerting in main port in a transmit direction
It is closed with port, standby port is opened, and main port is arranged in a receive direction and closes, standby port is opened.
5. a kind of multiplex section protection (Mulitiplex Section Protection, MSP) method based on multicast mode,
For between the main control unit and at least one emulated disk of circuit emulation service (Circuit Emulation Service, CES)
When configuration service at least one described emulated disk carry out port protection, the MSP guard method the following steps are included:
It is arranged one in each port of each emulated disk and transmits/receives switch to transmit/receive business；
Judge whether the corresponding ports are configured with MSP protection in corresponding ports configuration service, if it is not, the correspondence is then arranged
Port transmits/receives switch to establish business in the corresponding ports, if so, judging institute according to set active and standby port relationship
State whether corresponding ports are main port, if so, the setting corresponding main port transmits/receives switch at the primary end
Mouth establishes business and business configuration is arrived corresponding standby port place emulated disk, while root according to set active and standby port relationship
It is arranged on corresponding standby port according to the mode that MSP is protected and transmits/receives switch, if it is not, transmitting/receiving out for the standby port is then arranged
It closes to establish business in the corresponding ports；
The main control unit obtains the slot number to slot position where the multicast number and corresponding each emulated disk of the built multicast of each emulated disk
And emulated disk issuing service corresponding to the slot number in multicast number is wrapped after the step of port switch is arranged with multicast mode
Include following steps:
The corresponding relationship of main port and standby port is set；
According to set active and standby port corresponding relationship using the slot number of emulated disk where the standby port as multicast member
The corresponding multicast number of emulated disk where being added to the main port；
The business of emulated disk configuration where all main ports is configured to simultaneously where corresponding standby port when configuration service and is imitated
True disk.
6. the multiplex section protection method based on multicast mode as claimed in claim 5, which is characterized in that the protection side MSP
Formula includes two kinds, and each emulated disk is sending direction to the direction that the main control unit sends business, and each emulated disk receives
The direction of the main control unit issuing service is receiving direction, the first MSP protected mode is that primary end is arranged in a transmit direction
Mouthful open, standby port closes, main port is set in a receive direction and standby port is opened, second of MSP protected mode be
Sender sets up main port and opens, and standby port closes, and main port is arranged in a receive direction and opens, standby port closes.
7. the multiplex section protection method based on multicast mode as claimed in claim 6, which is characterized in that the guard method is also
The following steps are included:
Whether detection main port alerts and is cut in alarm according to transmit/receive switch of the MSP protected mode to active and standby port
It changes.
8. the multiplex section protection method based on multicast mode as claimed in claim 7, which is characterized in that protected in the first MSP
When main port alerts in shield mode, main port is set in a transmit direction and is closed, standby port is opened, is arranged in a receive direction
Main port and standby port are opened, and when main port alerts in second of MSP protected mode, setting is led in a transmit direction
It is closed with port, standby port is opened, and main port is arranged in a receive direction and closes, standby port is opened.
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| CN109271205B (en) * | 2018-08-21 | 2021-07-06 | 烽火通信科技股份有限公司 | MSP protection configuration method and system for distributed service single-disk processing |
| CN110784782B (en) * | 2019-10-31 | 2021-11-16 | 烽火通信科技股份有限公司 | MSP protection configuration inter-block time sequence suppression method and system |
| CN111106963B (en) * | 2019-12-25 | 2022-10-28 | 瑞斯康达科技发展股份有限公司 | Method for realizing circuit simulation service and distributed system |
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| CN101895338A (en) * | 2010-07-19 | 2010-11-24 | 中兴通讯股份有限公司 | Method, device and system for recovering service in multiplex section switching |
| CN102752126A (en) * | 2011-04-22 | 2012-10-24 | 中兴通讯股份有限公司 | Automatic protection switching method, main device and standby device |
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| CN101997630B (en) * | 2009-08-29 | 2014-04-09 | 中兴通讯股份有限公司 | Method for protecting time division multiplexing service |
| CN102571384A (en) * | 2010-12-16 | 2012-07-11 | 中兴通讯股份有限公司 | Switching method, system and packet transmission network device for multiplex section protection |
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| CN101145930A (en) * | 2007-09-19 | 2008-03-19 | 华为技术有限公司 | Method, system and device for guaranteeing reliable transmission of multicast service |
| CN101895338A (en) * | 2010-07-19 | 2010-11-24 | 中兴通讯股份有限公司 | Method, device and system for recovering service in multiplex section switching |
| CN102752126A (en) * | 2011-04-22 | 2012-10-24 | 中兴通讯股份有限公司 | Automatic protection switching method, main device and standby device |
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