Tag: GPRS
Gr interface and Gs interface
The Gr interface exists between the SGSN and the HLR. While the Gs interface exists between the SGSN and the […]
(MS-SGSN-GGSN) GPRS Interfaces in 2G network
Here, we illustrate the GPRS interfaces between the MS, the SGSN, and the GGSN in 2G network in both ‘control […]
(MS-SGSN-GGSN) GPRS Interfaces in 3G network
Here, we illustrate the GPRS interfaces between the MS, the SGSN, and the GGSN in 3G network in both ‘control […]
How SGSN selects the GGSN in GPRS, using iDNS and eDNS
The network is not having only one GGSN, it may have a few GGSNs. Also, it is having a lot […]
PDP Context Deactivation Procedure
The MS, the SGSN, and the GGSN can initiate The ‘PDP context deactivation procedure’. PDP Context Deactivation Procedure (MS initiated) […]
PDP Context Modification Procedure
In case one of any parameters associated with the PDP context changed, like the QoS as example. The node in […]
NSAPI and TI – PDP identifiers
NSAPI NSAPI refers to ‘Network layer Service Access Point Identifier’. The MS generates the NSAPI in the ‘PDP context activation’ procedure, […]
QoS ‘Quality of Service’ in GPRS
QoS refers to ‘Quality of Service’. After ‘PDP context activation’ procedure completes, a ‘PDP context’ shall exist on the MS, […]
PDP type in GPRS
PDP type is the type of the IP address assigned to the PDP. PDP type maybe one of the following, […]
PDP address in GPRS
As a result of the ‘PDP activation’ procedure, the GGSN assigns the ‘PDP context’ an IP address. The ‘PDP address’ […]