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What is the significance of I in TLIV format of GTPv2 message format?

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What is the significance of I in TLIV format of GTPv2 message format?
posted Oct 30, 2014 by Nikhil Pandey

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1 Answer

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The Instance field in GTPv2 messages allows the Information Element to get re-used for some other purpose.
A classical example would be of FTEID IE.

In Create Session Request message, within Bearer Context, there could be many instances of FTEID used for different purpose, check the attached image!
7 Different Instances of same IE.
Benefit? We need not define different IE having same type information used for different purposes.

answer Feb 11, 2017 by Hardik Tanna
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