Difference between SONET and GigE from Carrier?

We have just provisioned a carrier to provide us with an OC12 (622mbps) connection. The carrier asked if I wanted a Sonet or GigE handoff? What does the carrier mean by this and is there a difference?

I'm not sure how to answer.
There are significant differences between the SONET and Ethernet technologies. They cannot be connected directly together over a fiber cable. Ethernet is a frame-based computer networking technologies for local area networks (LANs). SONET defines a technology for carrying many signals of different capacities through a synchronous, flexible, optical hierarchy. This is accomplished by means of a byte-interleaved multiplexing scheme.
My assumption on the carrier's side is their transport equipment can accept either a SONET or a GigE interface. He is giving you an option because he understands that to you may be more comfortable working with Ethernet than SONET and that GigE router interfaces are less expensive than SONET router interfaces. To the carrier, it is all just bits that need to be transported from A to B.
The router interface card your choose will take care of getting your data framed properly.
If you request a OC-12 SONET interface from the carrier, you will configure your router with an OC-12 interface. The router interface will take your data and add the SONET overhead/framing and couple it to the fiber to hand-off to the carrier.
If you request a GigE interface from the carrier, you will configure your router with a GigE interface. The router interface will take your data and package it into Ethernet frames and couple it to the fiber to hand-off to the carrier.
Any help?

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Regards.
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Hi,
i want to know difference between BAPI and RFC in SAP,
can we call SAP GUI screen from NON SAP System Using BAPI.
Reg,
Hariharan

Hi Ravishankar,
The difference is not importat while you understand the concept.
I think, RFC is the protocol for calling functions from external systems in R/3.
I understand like BAPI a series of complet functions that SAP offers you for use and model a business use.
But if I need program a function that can be called for external system i would call it RFC_NAME, because is a unique function that makes a single task.
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RFC
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RFC consists of two interfaces : A calling interface for ABAP Programs and a calling interface for Non-SAP programs.
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Calling the communication routines needed to talk to the remote system.
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BAPI
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BAPIs provide stable and standardized methods to achieve seamless integration between the R/3 System and external applications, legacy systems and add-ons.
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The most critical difference btwn BAPI and FM is that BAPI can be wrapped in Business objects whereas RFC cant.
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Reading instances of SAP business objects
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Create( ) and CreateFromData! ( )
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Change( )
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Add<subobject> ( ) and Remove<subobject> ( ) The BAPI Add<subobject> adds a subobject to an existing object inst! ance and the BAPI and Remove<subobject> removes a subobject from an object instance. These BAPIs are instance methods.
Check these Links out
http://searchsap.techtarget.com/ateQuestionNResponse/0,289625,sid21_cid558752_tax293481,00.html
http://www.sap-img.com/abap/interview-question-on-bapi-rfc-abap-objects-tables.htm
http://www.sap-img.com/fu033.htm
http://www.sap-img.com/abap/ale-bapi.htm
Refer following SDN threads:
Diff. Between BAPI and RFC
Re: BAPI and RFC
Hope this resolves your query.
Reward all the helpful answers.
Regards

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PLEASE NOTE ONLY MCP2-T BOARD MSI DO AT THE MOMMENT IS THE K7N2G-ILSR
The MCP has no hardware support for audio of any kind, period. Windows and the CPU do all the audio work on that part and there is absolutely no DSP, NVIDIA or otherwise, in that chip to help out. Try to do EAX, any kind of reverb or chorus, or a music preset on those boards and you'll see the CPU usage climb. Ditto if you add more voices to the mix: CPU usage goes up.
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MCP has the following:
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MCP-T includes the above and adds the following:
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- NVIDIA APU with Dolby Digtal Encoder

thats not to say mcp is bad as this proves
The MCP2 is definately hardware sound. As far as the APU goes the only difference between MCP2 and MCP2-T is the T version has Soundstorm(Dolby Digital). Basically Mcp2-T =5.1 digital output capabilities Mcp2 no digital output, analogue output only. The other differences are the T version Has Dual Lan support and a firewire controller which the plain MCP2 does not. Here are my cpu utilization test results from Audio winbench proving that The MCP2 APU is a hardware APU.
http://www.nforcershq.com/forum/viewtopic.php?p=28870#28870
to see the test he ran ,will not copy /paste
MSI K7N2-L Mainboard
Athlon XP 2000+ Retail cooler
MSI Geforce3 TI 200
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Maxtor DiamondMax Plus 9 8meg cache 80 gig
WD 600BB 60 gig
Onboard Nforce 2 APU (no soundstorm
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hi all,
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Hi,
POV gives you F4 help.
like:
You can call dialog modules in the POV event using the event keyword PROCESS ON VALUE-REQUEST.
PROCESS ON VALUE-REQUEST.
FIELD f MODULE mod.
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·        F4IF_INT_TABLE_VALUE_REQUEST
This function module displays a value list that you created in an ABAP program. The self-programmed value list is passed to the function module as the table parameter VALUE_TAB. If you specify the import parameters DYNPPROG, DYNPNR, and DYNPROFIELD, the users selection is returned to the corresponding field on the screen. If you specify the table parameter RETURN_TAB, the selection is returned into the table instead.
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Input help in dialog modules
REPORT demo_dynpro_f4_help_module.
TYPES: BEGIN OF values,
         carrid TYPE spfli-carrid,
         connid TYPE spfli-connid,
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DATA: carrier(3) TYPE c,
      connection(4) TYPE c.
DATA: progname TYPE sy-repid,
      dynnum   TYPE sy-dynnr,
      dynpro_values TYPE TABLE OF dynpread,
      field_value LIKE LINE OF dynpro_values,
      values_tab TYPE TABLE OF values.
CALL SCREEN 100.
MODULE init OUTPUT.
progname = sy-repid.
dynnum   = sy-dynnr.
CLEAR: field_value, dynpro_values.
field_value-fieldname = 'CARRIER'.
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MODULE cancel INPUT.
LEAVE PROGRAM.
ENDMODULE.
MODULE value_carrier INPUT.
CALL FUNCTION 'F4IF_FIELD_VALUE_REQUEST'
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MODULE value_connection INPUT.
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            dyname             = progname
            dynumb             = dynnum
            translate_to_upper = 'X'
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CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'
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            retfield    = 'CONNID'
            dynpprog    = progname
            dynpnr      = dynnum
            dynprofield = 'CONNECTION'
            value_org   = 'S'
       TABLES
            value_tab   = values_tab.
ENDMODULE.
*POH gives you F1 documentation:*
like:
If data element supplement documentation is insufficient for your requirements, or you want to display help for program fields that you have not copied from the ABAP Dictionary, you can call dialog modules in the POH event:
PROCESS ON HELP-REQUEST.
FIELD is defined in the ABAP program like a normal PAI module. The processing logic of the module must ensure that adequate help is displayed for the field in question. Instead of calling an extra screen with text fields, you should use one of the following function modules to display a suitable SAPscript document:
HELP_OBJECT_SHOW_FOR_FIELD
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HELP_OBJECT_SHOW
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For further information about how to create SAPscript documents, refer to the Documentation of System Objects documentation.
Field help on screens.
REPORT DEMO_DYNPRO_F1_HELP.
DATA: TEXT(30),
       VAR(4),
       INT TYPE I,
       LINKS TYPE TABLE OF TLINE,
       FIELD3, FIELD4.
TABLES DEMOF1HELP.
TEXT = TEXT-001.
CALL SCREEN 100.
MODULE CANCEL INPUT.
LEAVE PROGRAM.
ENDMODULE.
MODULE F1_HELP_FIELD2 INPUT.
INT = INT + 1.
CASE INT.
    WHEN 1.
    VAR = '0100'.
    WHEN 2.
    VAR = '0200'.
    INT = 0.
ENDCASE.
ENDMODULE.
MODULE F1_HELP_FIELD3 INPUT.
CALL FUNCTION 'HELP_OBJECT_SHOW_FOR_FIELD'
       EXPORTING
            DOKLANGU                      = SY-LANGU
            DOKTITLE                      = TEXT-002
            CALLED_FOR_TAB                = 'DEMOF1HELP'
            CALLED_FOR_FIELD              = 'FIELD1'.
ENDMODULE.
MODULE F1_HELP_FIELD4 INPUT.
CALL FUNCTION 'HELP_OBJECT_SHOW'
       EXPORTING
            DOKCLASS                      = 'TX'
            DOKLANGU                      = SY-LANGU
            DOKNAME                       = 'DEMO_FOR_F1_HELP'
            DOKTITLE                      = TEXT-003
       TABLES
            LINKS                         = LINKS.
ENDMODULE.
Regards,
Renjith Michael

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Hi,
Can any one please explain what is the difference between ALE and EDI ?
Thanks in advance.
Ramana

Hi Ramana
ALE: used to trnasfer IDOC with in the R3distributed system.
EDI: used to transfer IDOC from R3system to nonsap system
IDOCS:
IDOCS are intermediary documents which are like CARRIERS of the data
IDOCs are safe to transfer data, but less volume of data. User is not allowed to access (modify) the data like PSA. IDOCs have 3 parts.
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check these links also
EDI document
http://expertanswercenter.techtarget.com/eac/knowledgebaseAnswer/0,295199,sid63_gci983331,00.html
http://searchsap.techtarget.com/loginMembersOnly/1,289498,sid21_gci879631,00.html?NextURL=http%3A//searchsap.techtarget.com/ateQuestionNResponse/0%2C289625%2Csid21_gci879631%2C00.html
http://sapabap.iespana.es/sapabap/sap/faq/ale_idocs_bapi.htm
Reward all helpfull answers
Regards
Pavan

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