S8 Interface in 4G-LTE Network
S8 Interface is the interface between the SGW and the PGW that exist in different Networks (different PLMNs).
It works in both the Control plane and the User Plane.
S8 Interfaces uses GTP-C protocol in the Control Plane. And uses GTP-U protocol in the User Plane.
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Your Guide to LTE Interfaces (S11, S5, S8, SGi, S1-U)
Let's talk about LTE Interfaces. In LTE, every interface between two network nodes, is having an interface name, that represents the protocols used in the communication between those nodes. Below graph shows LTE Interfaces that exist between different nodes, In order to understand LTE Interfaces, we need first to understand the difference between the control…
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LTE (4G) Network Architecture
LTE (4G) Network Nodes LTE refers to 'Long Term Evolution', and the architecture of the LTE (4G) network is as following, eNodeB The eNodeB is the 4G site that the UE connects to. It provides the radio interface to the UE. MME MME refers to 'Mobility Management Entity'. The MME is responsible for authenticating the…
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