Page 21 - ITU Journal Future and evolving technologies – Volume 2 (2021), Issue 2
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ITU Journal on Future and Evolving Technologies, Volume 2 (2021), Issue 2
on its communication perspective including joint radio 4.1 Fog architecture‑based solutions
and computational resource management. Hence, the
for seamless handover
proposed work equally highlighted interesting topics on
MEC such as deployment of edge cloud systems,
Wan et al. [28] proposed a novel fog computing
cache‑enabled MEC, management of mobility for edge
archi‑ tecture that includes new schemes and
cloud, and privacy aware edge cloud. In addition a mobile techniques for symmetric inter‑ ile coded cache
computing platform for 5G is presented, as well as the
placement, handling the inter‑SBS communication
comparison between MCC and MEC, MEC computation
phase, and a new asymmetric and optimal cache
and communication models, resource management in
placement that performs ile sub packaging according
MEC and a list of issues and research directions. to the network structure.
Issues and challenges encountered in MCC computation
loading have been highlighted by i et al. [26].
Fog computing is known as a favorable
Hence, they presented state‑of‑the‑art data of loading
architecture for computing and resource management
techniques, computation loading methods, and an
that provides cloud services closer to end users, that is
analysis of the techniques along with their principal
at the network edge. It includes both the data plane
issues. They additionally explored the major parameters
and control plane and aids applications in the area of
on which the frameworks are based and implemented
IoT, in 5G systems and arti icial intelligence. Fog
such as of loading method and grade of partitioning. In
computing reduces the need for specialized
addition, the MCC computation of loading was de ined
applications deployed just for the cloud, endpoints or
as the task of sending computation intensive application
edge devices, by enabling the same application to run
components to a remote server, which handles and
anywhere and allowing applications from different
executes the computational tasks. Different of loading
suppliers to run on the same hardware without
approaches, framework mechanisms and classes were interference [29].
also presented along with an insightful comparison of the
frameworks for computational loading. Some of the
Luan et al. [30] outlined the main features of fog
approaches that were presented in the paper use static
computing and described its concept, architecture and
loading unlike others that utilize dynamic of loading.
design goals in an article. Fog computing is an architec‑
However, all the techniques were aimed to improve
ture that enables the deployment of virtualized cloud‑like
the potentialities of mobile devices by saving energy,
devices closer to mobile users. Edge computing is a dis‑
reducing response time, or minimizing the execution
tributed computing paradigm that enables cloud services
cost.
closer to the location where it is needed, it extends cloud
In the same perspective, Shakarami et al. [27] proposed
abilities at the edge of the computing network to execute
a survey of the stochastic‑based computation of loading
high‑demanding computational tasks and save a very
approaches in MCC environments including a taxon‑ omy
signi icant amount of data at the surroundings of user
of the techniques categorized into three ields, which are
equipment [6]. Communication between fog nodes is
Markov process, Markov chain, and Hidden Markov
optimized through the handover process. Handover (HO)
models. The article de ined Markov chain as a
is a process of passing on an ongoing data session or
mathematical tool to model a transition from one state to
service from one base station within the core network
another based on speci ic probabilistic rules. In addition, into another base station; it is a cross‑layer concept to
the survey highlighted a comparison of the Markov chain support user mobility.
of loading mechanisms and open is‑ sues and challenges
associated with different approaches. A fog‑aided architecture for seamless handover was
proposed by [31]; the proposed architecture includes
a general integration of all types of mobile devices
4. EXISTING TECHNIQUES AND SOLUTIONS and networks and assists Vehicle‑to‑Everything
(V2X) distributed applications by responding to their
The most common infrastructural solutions and tech‑
latency minimization related needs, data privacy and
niques proposed by scholars to achieve seamless service security critical network related requirements. The
provision in mobile cloud computing include fog, edge proposed architecture is leveraged on 5G
computing, handover techniques and femtocell technolo‑ architecture, along with SDN and NFV to achieve
gies. Several algorithms have been proposed to deter‑ proactive, context‑aware, and secure handover
mine the optimal edge computing point, reduce latency of mechanisms. Hence, fog‑enabled architecture and
data traf ic, improve data of loading speed and enhance
SDN‑enabled architecture have been combined in this
security in the MCC environment. Studies on MCC sys‑ approach; the authors assumed that connected
tems highlight that researchers in the ield of mobile vehicles are fog devices with distributed
com‑ puting, software engineering, cloud computing, and
intelligence since vehicles mobility can be predicted
arti‑ icial intelligence have successfully utilized MCC
and they are computing resource rich, they are thus
architec‑ tural models and infrastructures to improve the
equipped with satellite and terrestrial communication
perfor‑ mance of MCC systems through its software.
capabilities. For the SDN enabled architecture part,
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