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What is the difference between X2SETUP and eNB Configuration Update message?

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What is the difference between X2SETUP and eNB Configuration Update message?
posted Dec 15, 2014 by Gnanendra Reddy

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1 Answer

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Setting up the X2 This function is used to exchange necessary data for the eNB for setup the X2 interface and implicitly perform an X2 Reset.
Elementary Procedure
a) X2 Setup

eNB Configuration Update This function allows updating of application level data needed for two eNBs to inter-operate correctly over the X2 interface.
Elementary Procedures
a) eNB Configuration Update
b) Cell Activation

In short you first make x2 setup and then exchange eNB config update.

Read more at: http://tech.queryhome.com/48522/x2ap-protocol-in-lte

answer Dec 15, 2014 by Salil Agrawal
for ex.i established x2setup between 2 eNBs if i send eNB configuration update am i changing x2setup or updating ?and i didnt get what is application level data?
You have answered yourself eNB Config update is update procedure.

Dont know how should I describe app data (application over x2ap protocol ) may be refer section 8.3.5 of 36.499
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