Value Mapping replication from SAP

Hi
I have gone thru the Blogs and threads related to value mapping replication from SAP.
Inmy observervation  http://sap.com/xi/XI/System of SAP BASIS 7.00
still I have some doubts...
1)what is the differnce between ValueMappingReplication(Asynchronous) and ValueMappingReplicationSynchronous .
when we will use them.
2) Message type ValueMappingReplication contains Operation ,GroupId,Context,scheme,agency.
what is the meaning of Operation??
what is the use of group ID??
is this necessary to maintain all these values in Ztable and also source and target values ?? and use them in Abap aproxy logic??
3) is there any Message Mapping Needed.?? and Interface Mapping Needed to implement value Mapping replication??
but in this blog
https://www.sdn.sap.com/irj/sdn/weblogs?blog=/pub/wlg/1301i [original link is broken] [original link is broken] [original link is broken] didnt find any interface mapping .
4)what is the Sender Adapter type ??
5) if I did replication from SAP..can I see the details in ID
please guide me
regards
munna

hi
1)what is the differnce between ValueMappingReplication(Asynchronous) and ValueMappingReplicationSynchronous .
In sync you will get the value mapping replication status back and in async you won't. In sync based on the response u can update again in case of any failure. If data size is large use async.
2) Message type ValueMappingReplication contains Operation ,GroupId,Context,scheme,agency.
what is the meaning of Operation??
The operation that you are going to perform. Below is the operations list and the contents to be set in the message for the same
Insert = all fields must be set;
Delete =all fields must be set;
DeleteGroup = fields GroupID and context must be set;
DeleteContext = field Context must be set;
DeleteContextGeneric = Context contains the starting part for the context to be deleted
what is the use of group ID??
Displays the different representations of an object.
A value mapping group is identified uniquely by a GUID.
You can also assign a name to a value mapping group.
is this necessary to maintain all these values in Ztable and also source and target values ?? and use them in Abap aproxy logic??
no. system creates the value mapping table. you can take it frm there. no need of any ztables.
3) is there any Message Mapping Needed.?? and Interface Mapping Needed to implement value Mapping replication??
You will be sending the value mapping data from a sender system. If it can sent in the same format not required, otherwise you will have to.
4)what is the Sender Adapter type ??
Any adapter...depends on the sender system.
5) if I did replication from SAP..can I see the details in ID
You can see it in Cache monitoring in RWB.
for more details refer
http://help.sap.com/saphelp_nw70/helpdata/EN/13/ba20dd7beb14438bc7b04b5b6ca300/content.htm
rgds
Arun

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    hi
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    4)what is the Sender Adapter type ??
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    5) if I did replication from SAP..can I see the details in ID
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    for more details refer
    http://help.sap.com/saphelp_nw70/helpdata/EN/13/ba20dd7beb14438bc7b04b5b6ca300/content.htm
    rgds
    Arun

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    translate p_value_mapping-groupid using ' 0'.
    * Store the mapping source as first entry to the group
    p_value_mapping-identifier = mvke-matnr.
    p_value_mapping-agency = 'SenderAgency'.
    p_value_mapping-scheme = 'MATNR'.
    append p_value_mapping to p_value_mapping_table.
    * Store the mapping target as second entry to the group
    p_value_mapping-identifier = mvke-prodh.
    p_value_mapping-agency = 'ReceiverAgency'.
    p_value_mapping-scheme = 'PRODH'.
    append p_value_mapping to p_value_mapping_table.
    endselect.
    * Push data to XI
    call function 'Z_VALUE_MAPPING' in background task
      destination 'IS_XID'
      exporting
        value_mapping       = p_value_mapping_table.
        commit work.
    Import the RFC to the Integration Builder, create a mapping between your RFC and the interface ValueMappingReplication.
    Check this Blog for additional steps:
    /people/sreekanth.babu2/blog/2005/02/23/value-mapping-replication
    Choose names for context, agency and scheme which are useful your scenario.
    Regards
    Stefan

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