Native Deployment of ICN in LTE, 4G Mobile Networks
2019
LTE, 4G mobile networks use IP based transport for control plane to
establish the data session and user plane for actual data delivery. In
existing architecture, IP transport used in user plane is not
optimized for data transport, which leads to an inefficient data
delivery. IP unicast routing from server to clients is used for
delivery of multimedia content to User Equipment (UE), where each user
gets a separate stream. From bandwidth and routing perspective this
approach is inefficient. Multicast and broadcast technologies have
emerged recently for mobile networks, but their deployments are very
limited or at an experimental stage due to complex architecture and
radio spectrum issues. ICN is a rapidly emerging technology with
built-in features for efficient multimedia data delivery, however
majority of the work is focused on fixed networks. The main focus of
this draft is on native deployment of ICN in cellular mobile networks
by using ICN in 3GPP protocol stack. ICN has an inherent capability
for multicast, anchorless mobility, security and it is optimized for
data delivery using local caching at the edge. The proposed approaches
in this draft allow ICN to be enabled natively over the current LTE
stack comprising of PDCP/RLC/MAC/PHY or in a dual stack mode (along
with IP) help optimize the mobile networks by leveraging the inherent
benefits of ICN.
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