Use cases of Application-aware Networking (APN) in Edge Computing
2020
The ever-emerging new services are imposing more and more highly
demanding requirements on the network. However, the current
deployments could not fully accommodate those requirements due to
limited capabilities. For example, it is difficult to utilize the
traditional centralized deployment mode to meet the low-latency demand
of some latency-sensitive applications. Moreover, the total amount of
centralized service data is growing exponentially, which brings great
pressure on the network bandwidth. There has been a clear trend that
decentralized sites comprising of computing and storage resources are
deployed at various locations to provide services. In particular, when
the sites are deployed at the network edge, i.e. the Edge Computing,
it can better handle the business needs of the users nearby, which
provides the possibilities to provide differentiated network and
computing services. In order to achieve the full benefits of the edge
computing, it actually implies a precondition that the network should
be aware of the applications' requirements in order to steer their
traffic to the network paths that can satisfy their requirements.
Application-aware networking (APN) fits as the missing puzzle piece to
bridge the applications and the network to accommodate the edge
services' needs, fully releasing the benefits of the edge
computing. This document describes the various application scenarios
in edge computing to which the APN can be beneficial, including
augmented reality, cloud gaming and remote control, which empowers the
video business, users interaction business and user-device interaction
business. In those scenarios, APN can identify the specific
requirements of edge computing applications on the network, process
close to the users, provide SLA guaranteed network services such as
low latency and high reliability.
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