Connect two ECC systems with one SAP CRM 7.0

Hi Gurus!
I have to do a customizing for connect two ECC 6.0 and one SAP CRM 7.0, only I need the organizational structure from both systems and they need update when the structure from CRM has changes. The business partner goes to ECCs system by PI interfaces.
Both organization models are different, so I have to maintain and update depending the changes in the business.
But I don't know if this is possible, I don't know if we can do this by Middleware, ALE or PI.
Can you please, give your oppinion about this topic?
Best regards,
Eugenia.-

Hi Eugenia,
Please see note 1084315 which descriibes the the multiple backend scenario.
This should be relevant here.
Best regards
Christophe

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    LB: Hostname or service of the message server unknown#DEST =PUCCLNT220#MSHOST
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    disp+work information
    kernel release 720
    kernel make variant 720_EXT_REL
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    compiled for 64 BIT
    compilation mode UNICODE
    compile time Feb 16 2013 02:50:12
    update level 0
    patch number 416
    source id 0.416
    Error from work process trace file
    A  reached MAX_RUDILOCKS for (user: L13526      , ta:                     ), sending RUDILOCK_RESET
    A  reached MAX_RUDILOCKS for (user: L13526      , ta:                     ), sending RUDILOCK_RESET
    A  reached MAX_RUDILOCKS for (user: L13526      , ta:                     ), sending RUDILOCK_RESET
    A  reached MAX_RUDILOCKS for (user: L13526      , ta:                     ), sending RUDILOCK_RESET
    A  reached MAX_RUDILOCKS for (user: L13526      , ta:                     ), sending RUDILOCK_RESET
    A  reached MAX_RUDILOCKS for (user: L13526      , ta:                     ), sending RUDILOCK_RESET
    A  reached MAX_RUDILOCKS for (user: L13526      , ta:                     ), sending RUDILOCK_RESET
    A  reached MAX_RUDILOCKS for (user: L13526      , ta:                     ), sending RUDILOCK_RESET
    A  reached MAX_RUDILOCKS for (user: L13526      , ta:                     ), sending RUDILOCK_RESET
    A  reached MAX_RUDILOCKS for (user: L13526      , ta:                     ), sending RUDILOCK_RESET
    A  reached MAX_RUDILOCKS for (user: L13526      , ta:                     ), sending RUDILOCK_RESET
    A  reached MAX_RUDILOCKS for (user: L13526      , ta:                     ), sending RUDILOCK_RESET
    A  reached MAX_RUDILOCKS for (user: L13526      , ta:                     ), sending RUDILOCK_RESET
    A  reached MAX_RUDILOCKS for (user: L13526      , ta:                     ), sending RUDILOCK_RESET
    A  reached MAX_RUDILOCKS for (user: L13526      , ta:                     ), sending RUDILOCK_RESET
    A  reached MAX_RUDILOCKS for (user: L13526      , ta:                     ), sending RUDILOCK_RESET
    A  reached MAX_RUDILOCKS for (user: L13526      , ta:                     ), sending RUDILOCK_RESET
    A  reached MAX_RUDILOCKS for (user: L13526      , ta:                     ), sending RUDILOCK_RESET
    A  reached MAX_RUDILOCKS for (user: L13526      , ta:                     ), sending RUDILOCK_RESET
    M
    M Mon Apr 20 15:48:09 2015
    M  ThPlgTimeout: ThPlgTimeout for plugin T144/U17974
    A
    A Mon Apr 20 15:58:59 2015
    A  *** ERROR => RFC Error RFCIO_ERROR_SYSERROR in abrfcpic.c : 2825
    LB: Hostname or service of the message server unknown
    DEST =PUCCLNT220
    MSHOST =puc.apps.eon.com
    R3NAME =PUC
    GROUP =USER
    [abrfcio.c    9213]
    A {root-id=441EA15C8F181ED4B9E4168F16E66417}_{conn-id=441EA15C8F181ED4B9E416A941234417}_1
    A  TH VERBOSE LEVEL FULL
    A  ** RABAX: end RX_GET_MESSAGE
    A
    A Mon Apr 20 15:59:02 2015
    A  *** ERROR => RFC Error RFCIO_ERROR_SYSERROR in abrfcpic.c : 2825
    LB: Hostname or service of the message server unknown
    DEST =PUCCLNT220
    MSHOST =puc.apps.eon.com
    R3NAME =PUC
    GROUP =USER
    [abrfcio.c    9213]
    A  {root-id=441EA15C8F181ED4B9E4168F16E66417}_{conn-id=441EA15C8F181ED4B9E416A941234417}_1
    A  *** ERROR => RFC Error RFCIO_ERROR_SYSERROR in abrfcpic.c : 2825
    LB: Hostname or service of the message server unknown
    DEST =PUCCLNT220
    MSHOST =puc.apps.eon.com
    R3NAME =PUC
    GROUP =USER
    [abrfcio.c    9213]
    A {root-id=441EA15C8F181ED4B9E4168F16E66417}_{conn-id=441EA15C8F181ED4B9E416A941234417}_1
    A  *** ERROR => RFC Error RFCIO_ERROR_SYSERROR in abrfcpic.c : 2825
    LB: Hostname or service of the message server unknown
    DEST =PUCCLNT220
    MSHOST =puc.apps.eon.com
    R3NAME =PUC
    GROUP =USER
    [abrfcio.c    9213]
    A {root-id=441EA15C8F181ED4B9E4168F16E66417}_{conn-id=441EA15C8F181ED4B9E416A941234417}_1

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