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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