CN102724093A - Advanced telecommunications computing architecture (ATCA) machine frame and intelligent platform management bus (IPMB) connection method thereof - Google Patents

Advanced telecommunications computing architecture (ATCA) machine frame and intelligent platform management bus (IPMB) connection method thereof Download PDF

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Publication number
CN102724093A
CN102724093A CN2012102161545A CN201210216154A CN102724093A CN 102724093 A CN102724093 A CN 102724093A CN 2012102161545 A CN2012102161545 A CN 2012102161545A CN 201210216154 A CN201210216154 A CN 201210216154A CN 102724093 A CN102724093 A CN 102724093A
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power board
ipmc
shmc
atca
machine frame
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CN102724093B (en
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郭玉厂
何宇东
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Datang Mobile Communications Equipment Co Ltd
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Datang Mobile Communications Equipment Co Ltd
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Abstract

The invention discloses an advanced telecommunications computing architecture (ATCA) machine frame and an intelligent platform management bus (IPMB) connection method thereof; the ATCA machine frame comprises an ATCA framework with a plurality of trenches and ATCA veneers which are inserted into the trenches; each ATCA veneer comprises two switch boards and at least one gusset plate; the ATCA veneers are provided with intelligent platform management controllers (IPMCs); shelf management controllers (ShMCs) are respectively integrated on the two switch boards; for each switch board, the ShMC on the switch board is in point-to-point star-shaped connection with the IPMCs of all the gusset plates and the IPMC of the other switch board, and the ShMC on the switch board is a collection node; the ShMC on a main switch board is in point-to-point communication with the IPMC of a backup switch board or the IPMC of one gusset plate at the same time; and when the main switch board fails to work, the backup switch board takes over the work of the main switch board and completes the functions of the original main switch board. According to the invention, the problem that a whole IPMB bus is clamped due to the single IPMB fault can be solved, and hardware resources can be saved.

Description

A kind of ATCA machine frame and IPMB method of attachment thereof
Technical field
The present invention relates to the communication equipment technical field, relate in particular to a kind of ATCA machine frame and IPMB method of attachment thereof.
Background technology
ATCA (Advanced Telecommunications Computing Architecture; Advanced telecom counting system structure) is the universal standard system platform of a kind of open, the interoperable that proposes of PCIMG (PCI Industrial Computer Manufacturers Group, PCI industrial computer tissue).
In the ATCA machine frame; ShMC (Shelf Management Controller; Shelf Management Controller) be responsible for through with veneer on IPMB (Intelligent Platform Management Bus, Intelligent Platform Management Bus) communication, accomplish management to the veneer in the ACTA system.IPMC (Intelligent PlatformManagement Controller, intelligent platform management controller) is used to manage, keep watch on and control supply voltage on the veneer, temperature sensor etc.
Shelf Management Controller (ShMC 1+1 hot backup) is through IPMB (Intelligent PlatformManagement Bus; Intelligent Platform Management Bus) bus connects each veneer, and the ShMC of Subrack Management Module is provided the IPMC supervisory communications passage to other veneer.The IPMB communication bus adopts I2C holding wire (comprising a data wire SDA, a clock lines SCL), and the ATCA norm-setting requires veneer that 2 IPMB EBIs are arranged, and is called IPMB-A and IPMB-B respectively, and two bus unifications are referred to as IPMB-0.
In the existing ATCA machine frame, the IPMB bus is connected with dual mode: IPMB dual bus connected mode; The I2C dual star topology connected mode of Subrack Management Module, specific as follows:
1) IPMB dual bus connected mode
The ATCA veneer is divided into two kinds of veneers according to the function difference; Wherein a kind of ATCA veneer with function of exchange is called power board; Power board has active and standby two power boards because of being responsible for the switched communication between other veneers, and other ATCA veneer then is called the ATCA gusset plate.
IPMB dual bus connected mode specifically has two kinds; Wherein a kind of mode is that Subrack Management Module is positioned at outside the power board; Be that Subrack Management Module, power board are two kinds of veneers, shown in Fig. 1 a, the IPMC of Subrack Management Module, ATCA veneer (power board, gusset plate) all is connected on the I2C bus of backboard; Each ATCA veneer is a gusset plate of I2C_bus (Inter-Integrated Circuit bus, interconnect bus between integrated circuit).During real work, the ShMC on the main computer frame management board provides the clock and the data-signal of I2C bus as master (master) equipment of I2C bus, the IPMC of ATCA veneer as the I2C bus from (slave) equipment.Synchronization, the IPMC of a ShMC and an ATCA veneer takies the I2C bus and carries out point-to-point communication on the main computer frame management board.When the ShMC on the main computer frame management board broke down, the ShMC on the subsequent use Subrack Management Module was promoted as main usefulness, substituted the function of accomplishing ShMC on the former main computer frame management board.
Shown in Fig. 1 b, another kind of mode is that the function of ShMC is integrated on the power board, belongs to the hardware module (multifunction module) on the power board, and this hardware module can select to realize exchange processing capacity, ShMC, the IPMC function of power board.Specifically describe as follows: main with the realization of the multifunction module on power board exchange processing, machine frame management ShMC, power board IPMC functions of modules; Multifunction module is only realized the IPMC functions of modules on the subsequent use power board.
Main IPMC with the IPMC of the ShMC of power board, subsequent use power board, 12 gusset plates all is connected on the I2C dual bus of backboard.During real work, main with master (master) equipment of the ShMC on the power board as the I2C bus, the clock of I2C bus is provided, the IPMC of ATCA veneer (subsequent use power board, gusset plate) as the I2C bus from (slave) equipment.Synchronization, the I2C dual bus that the IPMC of main ShMC and an ATCA veneer with power board takies backboard carries out point-to-point communication.When main ShMC with power board broke down, subsequent use power board was promoted as main usefulness, substituted to accomplish main exchange processing, ShMC, IPMC function with power board.
2) IPMB dual star topology connected mode
As shown in Figure 2, Subrack Management Module is positioned at outside the power board, will dispose active and standby two Subrack Management Module during actual the use, and active and standby two power boards.
Subrack Management Module is the star-like of point-to-point with the ACTA veneer and is connected.During real work; ShMC on the main computer frame management board is as master (master) equipment of I2C bus; The clock and the data-signal of I2C bus are provided, the IPMC of ATCA veneer (comprising active and standby power board and gusset plate) as the I2C bus from (slave) equipment.ShMC can carry out point-to-point I2C with the IPMC of ATCA veneer and communicates by letter on the main computer frame management board.When main computer frame management board broke down, subsequent use Subrack Management Module was promoted as main usefulness, substituted the function of accomplishing former main computer frame management board.
Have following shortcoming for IPMB dual bus connected mode: unusual (SCL or SDA are often low) appears in the I2C signal of an ATCA veneer; Whole piece I2C bus just by clamp (can't carry out the normal data transmitting-receiving), causes all ATCA veneers all can't carry out the machine frame supervisory communications through the I2C bus; In addition, I2C failing single board position also can't position.
Have following shortcoming for IPMB dual star topology connected mode: Subrack Management Module, power board are split up into two kinds of veneers, and actual use needs two Subrack Management Module, two power boards.With respect to the situation of integrated machine frame management function on the power board, many a kind of integrated circuit boards have taken more hardware resource, have increased product cost.
Summary of the invention
The present invention provides a kind of ATCA machine frame and IPMB method of attachment thereof, in order to have avoided the shortcoming of present two kinds of IPMB connectivity scenarios.
The present invention provides a kind of advanced telecom counting system structure ATCA machine frame; Comprise ATCA framework and be inserted in the ATCA veneer in the groove position that said ATCA veneer comprises two power boards and at least one gusset plate, all has intelligent platform management controller IPMC on the ATCA veneer with a plurality of grooves position; Wherein
Shelf Management Controller ShMC is integrated in respectively on two power boards, and for each power board, the ShMC on this power board is that the star-like of point-to-point is connected with the IPMC of the IPMC of each gusset plate, another power board, and the ShMC on this power board is for compiling node;
Main the IPMC of the IPMC of synchronization and subsequent use power board or a gusset plate carries out point-to-point communication with the ShMC on the power board, and when the master was broken down with power board, subsequent use power board was upgraded to the main power board of using, and substitutes to accomplish former main function with power board.
The present invention also provides a kind of Intelligent Platform Management Bus IPMB method of attachment of advanced telecom counting system structure ATCA machine frame; Said ATCA machine frame comprises the ATCA framework with a plurality of grooves position and is inserted in the ATCA veneer in the groove position; Said ATCA veneer comprises two power boards and at least one gusset plate, all has intelligent platform management controller IPMC on the ATCA veneer, and Shelf Management Controller ShMC is integrated in respectively on two power boards; Wherein
For each power board, the ShMC on this power board is that the star-like of point-to-point is connected with the IPMC of the IPMC of each gusset plate, another power board, and the ShMC on this power board is for compiling node;
Main the IPMC of the IPMC of synchronization and subsequent use power board or a gusset plate carries out point-to-point communication with the ShMC on the power board, and when the master was broken down with power board, subsequent use power board was upgraded to the main power board of using, and substitutes to accomplish former main function with power board.
Utilize ATCA machine frame provided by the invention and IPMB method of attachment thereof; Has following beneficial effect: with respect to existing IPMB dual bus mode; Connected mode of the present invention is the dual star topology connected mode, can imitate the whole piece IPMB bus clamp of avoiding single-point IPMB fault to cause; With respect to the IPMB dual star topology connected mode that traditional Subrack Management Module, power board separate, the function of Shelf management module ShMC of the present invention is integrated on the power board, has reduced a kind of template, has saved hardware resource, can reduce product cost.
Description of drawings
Fig. 1 a connects framework implementation one sketch map for the IPMB dual bus of existing ATCA machine frame;
Fig. 1 b connects framework implementation two sketch mapes for the IPMB dual bus of existing ATCA machine frame;
Fig. 2 connects framework realization sketch map for the IPMB dual star topology of existing ATCA machine frame;
Fig. 3 connects configuration diagram for the IPMB of the ATCA machine frame that the embodiment of the invention provides;
Fig. 4 is that ATCA standard dorsulum gusset plate plate position connector terminals is distributed sketch map;
Fig. 5 is that ATCA standard dorsulum power board plate position connector terminals is distributed sketch map;
Fig. 6 is that embodiment of the invention dorsulum power board plate position connector terminals is distributed sketch map.
Embodiment
Below in conjunction with accompanying drawing and embodiment ATCA machine frame provided by the invention and IPMB method of attachment thereof are illustrated in greater detail.
The embodiment of the invention provides a kind of advanced telecom counting system structure ATCA machine frame, comprises the ATCA framework with a plurality of grooves position and is inserted in the ATCA veneer in the groove position, and the ATCA veneer comprises two power boards and at least one gusset plate; ATCA veneer with function of exchange is called power board; Power board when work, can be configured to main using because of being responsible for the switched communication between other veneers with one of them power board; Another is configured to subsequent use; When the master was broken down with power board, subsequent use power board was upgraded to the master and uses power board, and other ATCA veneer then is called the ATCA gusset plate.
All have intelligent platform management controller IPMC in the present embodiment on the ATCA veneer, the IPMC on each ATCA veneer is used to manage, keep watch on and control supply voltage on this veneer, temperature sensor etc.
As shown in Figure 3; Shelf Management Controller ShMC is integrated in respectively on two power boards in the present embodiment; For each power board, the ShMC on this power board is that the star-like of point-to-point is connected with the IPMC of the IPMC of each gusset plate, another power board, and the ShMC on this power board is for compiling node.Because two ShMC are arranged, so the connected mode of present embodiment is the dual star topology connected mode, whole piece IPMB (I2C) the bus clamp that can effectively avoid single-point IPMB (I2C) fault to cause.
In the present embodiment; Main the IPMC of the IPMC of synchronization and subsequent use power board or a gusset plate carries out point-to-point communication with the ShMC on the power board, when the master is broken down with power board; Subsequent use power board is upgraded to the main power board of using, and substitutes to accomplish former main function with power board.When main function of exchange with power board breaks down or the master is broken down with the ShMC on the power board, think main and break down with power board.
Preferably, the function of ShMC is integrated in the multifunction module of power board, and multifunction module can select to accomplish exchange processing capacity, ShMC, the IPMC function of power board.
The master uses same processor to accomplish the ShMC that exchange is handled, machine frame is managed, the IPMC functions of modules of power board with the multifunction module on the power board; Multifunction module is then only realized the IPMC functions of modules of power board on the subsequent use power board.Main with the ShMC on the power board and main IPMC with power board owing to be integrated in the same processor, therefore need not carry out physical connection, mainly utilize same processor realization signal communication with ShMC on the power board and main IPMC with power board.
The IPMB dual star topology connected mode that present embodiment separates with respect to traditional Subrack Management Module, power board, the function of Shelf management module ShMC of the present invention is integrated on the power board, has reduced a kind of template, has saved hardware resource, can reduce product cost.
Shelf Management Controller ShMC is integrated in respectively on two power boards; Specifically can adopt following mode: main with the processor of power board/subsequent use power board on frame loading Management Controller ShMC functional software, utilize the IPMC on hardware interface realization processor and each gusset plate on the active and standby power board, the IPMC on another power board to be connected.
Preferably, the ShMC on each power board as shown in Figure 3 is connected with IPMC on each gusset plate through corresponding point-to-multipoint switch; The master is in conducting state with the ShMC corresponding switch on the power board, and communicates by letter with the ShMC on the power board with main through the IPMC on this one of them gusset plate of switch control.
The IPMC of subsequent use power board is in connection status with main with the ShMC on the power board all the time, and receptor site is not to the control of multipoint switch.
Preferably; The IPMC of the ShMC on each power board and the IPMC of each gusset plate, another power board; Adopt interconnection I2C bus (comprising a data wire SDA, a clock lines SCL) connection between integrated circuit; ShMC on each power board is connected with the IPMC of each gusset plate, the IPMC of another power board through the vacant terminal of the backboard power board plate position connector of ATCA machine frame, the terminal of two-way I2C definition.The master then need not adopt I2C bus to be connected with main with the IPMC on the power board with the ShMC on the power board.
Among Fig. 3, the point-to-multipoint switch is called the I2C switch, and main I2C switch with the correspondence of the ShMC on the power board is in the selection conducting state, and according to communicating requirement, the I2C switch is selected to connect a certain IPMC and is connected with main IPMB signal with ShMC; The main connection with the IPMB between the IPMC of the ShMC of power board, subsequent use power board do not controlled by the I2C switch, is in the connection conducting state all the time, when the I2C switch all breaks off, realizes that main ShMC with power board is connected with the IPMC point-to-point communication of subsequent use power board.
For the ShMC on the subsequent use power board, its corresponding I2C switch is in off-state, and the ShMC on the subsequent use power board is not connected with IPMC, to guarantee the having only master to have two-way IPMB physical communication to connect with ShMC to each gusset plate.
Among Fig. 3, Line 1 is in the power board, the two-way I2C bus between the ShMC I2C switch corresponding with it; No. 2 lines are between the power board, two-way I2C holding wire between the plate between power board and the gusset plate, connect each veneer through backboard.
Some terminal is not used for the signal connection by definition as yet in the backboard power board plate position connector of ATCA machine frame at present; The embodiment of the invention is utilized these vacant terminals; Add the terminal of original two-way I2C definition, can realize that the dual star topology that is integrated in the ShMC on the power board connects.
Particularly, according to the number of the ATCA veneer of the quantity of groove position on the ATCA machine frame and insertion, can confirm which terminal is vacant in the connector of backboard power board plate position.
ATCA machine frame with 14 groove positions is that example provides the preferred embodiment of the present invention below.
The IPMC of each gusset plate of definition has 2 IPMB buses (IPMB-A and IPMB-B) in the ATCA standard, i.e. two-way I2C takies 4 terminals of backboard gusset plate plate position connector, shown in Fig. 4 dorsulum gusset plate plate position connector J10.
Like this; According to shown in Figure 3; Realize being connected of I2C switch of the present invention and 12 gusset plates, need 12 * 4 terminals of backboard power board plate position connector, two-way I2C is connected between the ShMC on the primary, spare in addition power board and the IPMC; 2 * 2 pairs of terminals that need backboard power board plate position connector need 13 * 4=52 terminal of backboard power board plate position connector altogether.
Stipulate in the ATCA standard that the terminal definition of subrack backboard power board plate position, 14 groove position connector is as shown in Figure 5.Can know by Fig. 5, vacant 4 * 8 terminals of backboard power board plate position connector P20 of 14 groove position machine frames, vacant 2 * 8 terminals of P24,2 * 2 terminals of two-way I2C definition terminal of J10 amount to 52 terminals.Therefore; ShMC in the present embodiment on each power board is through 32 vacant terminals among the backboard power board plate position connector P20 of ATCA machine frame; Vacant 16 terminals among the P24,4 terminals of two-way I2C definition among the J10 are connected with the IPMC of each gusset plate, the IPMC connection of another power board.
Preferably; ShMC on each power board is through 32 vacant terminals among the backboard power board plate position connector P20 of ATCA machine frame, and vacant 16 terminals among the P24 are connected with the IPMC of each gusset plate; 4 terminals through two-way I2C definition among the J10 are connected with the IPMC of another power board.The terminal definition of subrack backboard power board plate position, present embodiment 14 groove position connector is as shown in Figure 6, and ShMC realizes that the implementation method of the star-like connecting interface of IPMB passage is following on the power board:
Former vacant 4 * 8 terminals of the backboard power board plate position connector P20 of 14 groove position ATCA machine frames are used as (1-8) two-way I2C of I2C switch output among Fig. 3; Former vacant 24 * 8 terminals of P24 are used as (9-12) two-way I2C of the output of I2C switch among Fig. 3, and the former two-way I2C definition terminal of connector J10 is used as (13) two-way I2C between the two power board SHMC and ShMC among Fig. 3.So just, realized two-way I2C star-like connection the between ShMC and 12 IPMC.
The two-way I2C of each gusset plate all with two power boards in the I2C switch have and be connected, like Fig. 3.Thereby realize that SHMC on two power boards is connected with dual star topology between the gusset plate IPMC.
The ATCA machine frame that the connected mode that the embodiment of the invention provides is fit to below the 14 groove positions equally realizes that the dual star topology of IPMB connects.
The embodiment of the invention has been avoided the shortcoming of present two kinds of IPMB connectivity scenarios, is more suitable for taking into account the reduction of product cost simultaneously in the functional reliability that improves 14 groove positions (and less than 14 groove positions) ATCA machine frame IPMB passage.
The embodiment of the invention also provides a kind of Intelligent Platform Management Bus IPMB method of attachment of advanced telecom counting system structure ATCA machine frame; Said ATCA machine frame comprises the ATCA framework with a plurality of grooves position and is inserted in the ATCA veneer in the groove position; Said ATCA veneer comprises two power boards and at least one gusset plate, all has intelligent platform management controller IPMC on the ATCA veneer, and Shelf Management Controller ShMC is integrated in respectively on two power boards; Wherein
For each power board, the ShMC on this power board is that the star-like of point-to-point is connected with the IPMC of the IPMC of each gusset plate, another power board, and the ShMC on this power board is for compiling node;
Main the IPMC of the IPMC of synchronization and subsequent use power board or a gusset plate carries out point-to-point communication with the ShMC on the power board, and when the master was broken down with power board, subsequent use power board was upgraded to the main power board of using, and substitutes to accomplish former main function with power board.
Preferably, the ShMC on each power board is connected with IPMC on each gusset plate through corresponding point-to-multipoint switch;
The master is in conducting state with the ShMC corresponding switch on the power board, and communicates by letter with the ShMC on the power board with main through the IPMC on this one of them gusset plate of switch control.
Preferably, the ShMC on each power board is connected with the IPMC of each gusset plate, the IPMC of another power board through the vacant terminal of the backboard power board plate position connector of ATCA machine frame, the terminal of two-way I2C definition.
The Intelligent Platform Management Bus IPMB method of attachment embodiment of ATCA machine frame in the embodiment of the invention can no longer detail referring to the connected mode described in the above-mentioned ATCA machine frame here.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.

Claims (10)

1. advanced telecom counting system structure ATCA machine frame; Comprise ATCA framework and be inserted in the ATCA veneer in the groove position that said ATCA veneer comprises two power boards and at least one gusset plate, all has intelligent platform management controller IPMC on the ATCA veneer with a plurality of grooves position; It is characterized in that
Shelf Management Controller ShMC is integrated in respectively on two power boards, and for each power board, the ShMC on this power board is that the star-like of point-to-point is connected with the IPMC of the IPMC of each gusset plate, another power board, and the ShMC on this power board is for compiling node;
Main the IPMC of the IPMC of synchronization and subsequent use power board or a gusset plate carries out point-to-point communication with the ShMC on the power board, and when the master was broken down with power board, subsequent use power board was upgraded to the main power board of using, and substitutes to accomplish former main function with power board.
2. ATCA machine frame as claimed in claim 1 is characterized in that, the ShMC on each power board is connected with IPMC on each gusset plate through corresponding point-to-multipoint switch;
The master is in conducting state with the ShMC corresponding switch on the power board, and communicates by letter with the ShMC on the power board with main through the IPMC on this one of them gusset plate of switch control.
3. ATCA machine frame as claimed in claim 2 is characterized in that, the IPMC of subsequent use power board with the ShMC on the power board, is in connection status with main all the time.
4. ATCA machine frame as claimed in claim 1; It is characterized in that; ShMC on each power board is connected with the IPMC of each gusset plate, the IPMC of another power board through the vacant terminal of the backboard power board plate position connector of ATCA machine frame, the terminal of two-way I2C definition.
5. like the arbitrary described ATCA machine frame of claim 1 ~ 4, it is characterized in that the IPMC of the ShMC on each power board and the IPMC of each gusset plate, another power board adopts interconnection I2C bus connection between integrated circuit.
6. ATCA machine frame as claimed in claim 5; It is characterized in that; Said ATCA machine frame has 14 groove positions, and the ShMC on each power board is through 32 vacant terminals among the backboard power board plate position connector P20 of ATCA machine frame, vacant 16 terminals among the P24; 4 terminals of two-way I2C definition among the J10 are connected with the IPMC of each gusset plate, the IPMC connection of another power board.
7. ATCA machine frame as claimed in claim 6; It is characterized in that; ShMC on each power board is through 32 vacant terminals among the backboard power board plate position connector P20 of ATCA machine frame, and vacant 16 terminals among the P24 are connected with the IPMC of each gusset plate; 4 terminals through two-way I2C definition among the J10 are connected with the IPMC of another power board.
8. the Intelligent Platform Management Bus IPMB method of attachment of an advanced telecom counting system structure ATCA machine frame; Said ATCA machine frame comprises the ATCA framework with a plurality of grooves position and is inserted in the ATCA veneer in the groove position; Said ATCA veneer comprises two power boards and at least one gusset plate, all has intelligent platform management controller IPMC on the ATCA veneer, and Shelf Management Controller ShMC is integrated in respectively on two power boards; It is characterized in that
For each power board, the ShMC on this power board is that the star-like of point-to-point is connected with the IPMC of the IPMC of each gusset plate, another power board, and the ShMC on this power board is for compiling node;
Main the IPMC of the IPMC of synchronization and subsequent use power board or a gusset plate carries out point-to-point communication with the ShMC on the power board, and when the master was broken down with power board, subsequent use power board was upgraded to the main power board of using, and substitutes to accomplish former main function with power board.
9. method as claimed in claim 8 is characterized in that, the ShMC on each power board is connected with IPMC on each gusset plate through corresponding point-to-multipoint switch;
The master is in conducting state with the ShMC corresponding switch on the power board, and communicates by letter with the ShMC on the power board with main through the IPMC on this one of them gusset plate of switch control.
10. method as claimed in claim 8 is characterized in that, the ShMC on each power board is connected with the IPMC of each gusset plate, the IPMC of another power board through the vacant terminal of the backboard power board plate position connector of ATCA machine frame, the terminal of two-way I2C definition.
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