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LTE: GGSN in UMTS is similar to which of LTE node and why ?

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LTE: GGSN in UMTS is similar to which of LTE node and why ?
posted Nov 14, 2013 by Ganesh Kumar

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1 Answer

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GGSN is a last node in mobile network which connects UE to the IP world. Similarly PGW in case of LTE is the last logical node which connects to the IP world.

Both has very similar functionality i.e. IP Address assignment, Downlink Rate enforcement etc. Most of the telecom vendors supports PGW+GGSN in a single box.

answer Nov 14, 2013 by Salil Agrawal
Agree with salil.

And also, both the device will do charging and lawful intercept. PGW in LTE can support UMTS [3G] users also as it can inter connectable with SGSN.
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