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GTP (Generic Tunneling Protocol)

GTP (Generic Tunneling Protocol). Alessio Casati/Lucent Technologies Charles E. Perkins/Nokia Research IETF 47 draft-casati-gtp-00.txt. Background. GTP is specified and deployed for 3GPP release 99 3GPP is looking for ways to incorporate Mobile IP into their protocol framework

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GTP (Generic Tunneling Protocol)

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  1. GTP (Generic Tunneling Protocol) Alessio Casati/Lucent Technologies Charles E. Perkins/Nokia Research IETF 47 draft-casati-gtp-00.txt

  2. Background • GTP is specified and deployed for 3GPP release 99 • 3GPP is looking for ways to incorporate Mobile IP into their protocol framework • Mobile IP ad hoc study group has recommended inclusion for new 3GPP release • We should try to encourage this development

  3. Main Motivation • GTP should be allowable as a Mobile IP tunneling mechanism • GTP should become a Proposed Standard • satisfies criteria of interoperability • any changes from working group would be submitted to 3GPP

  4. Packet Format • 32 bit tunnel identifier • Optional sequence number • Protocol type field • version number, bits controlling optional fields, length • 8 bytes typical for IP • UDP port 3386

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