7.7.91 Evolved Allocation/Retention Priority I

29.0603GPPGeneral Packet Radio Service (GPRS)GPRS Tunnelling Protocol (GTP) across the Gn and Gp interfaceRelease 17TS

The Evolved Allocation/Retention Priority I shall be included if the sending SGSN/GGSN supports this IE. The subscribed Evolved Allocation/Retention Priority information is received via Gr interface. The IE shall be used between SGSN and GGSN.

Bits

Octets

8

7

6

5

4

3

2

1

1

Type = 191 (Decimal)

2-3

Length

4

Spare

PCI

PL

Spare

PVI

Figure 7.7.91.1: Evolved Allocation/Retention Priority I Information Element

The bits within the octet 4 are:

– Bit 1 – PVI (Pre-emption Vulnerability)

– Bit 2 – spare

– Bit 3-6 – PL (Priority Level)

– Bit 7 – PCI (Pre-emption Capability)

– Bit 8 – spare

The meaning and value range of the fields within the Allocation/Retention Priority octet is as defined in 3GPP TS 29.212 [43]. PL encodes each priority level defined in 3GPP TS 29.212 [43] for the Priority-Level AVP as the binary value of the priority level.