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2022 ITU Kaleidoscope Academic Conference




           SID of the computing service gateway, the IP address of the   and its deficiencies are assessed. Finally, an overlay service
           user terminal may also include a globally unique client ID.   anycast system is proposed based on SRv6 to support service
           When a user switches to a new access gateway, such as 5G   resource discovery, QoE-oriented service instance selection,
           UE switching between edge UPFs, the IP prefix of the user   seamless mobility and service continuity. In the future, we
           terminal may also change.  However, by introducing the   will evaluate its performance in the lab.
           client ID into the IP address of the user terminal, the control
           plane can still allocate the same computing service instance        REFERENCES
           to the terminal and assign a separate SRv6 policy with the
           destination of the previous computing service gateway to the   [1] Sumit Patil, Rahul Kumar,  “Accelerating Extended
           new access gateway to achieve seamless mobility which is   Reality  Vision  With 5G Networks,”  2019 3rd
           transparent to the user terminal.                      International  conference   on     Electronics,
                                                                  Communication and Aerospace Technology (ICECA).
           4.7   Establishment of testbed
                                                              [2] Hans-Jürgen  Zepernick, “Toward Immersive Mobile
           In order to evaluate the performance of the system, a testbed   Multimedia: From Mobile Video to Mobile Extended
           is being established.  Some  Software-Defined Wide Area   Reality,” 2018 Third  International Conference  on
           Network (SD-WAN) Customer Premises Equipment (CPEs)    Informatics and Computing (ICIC).
           are being adapted to the SRv6 protocol for functioning as
           access gateways and computing service gateways. An SD-  [3] Anousheh  Gholami,  John  S.  Baras,  “Collaborative
           WAN controller is being modified to function as the control   Cloud-Edge-Local Computation Offloading for Multi-
           plane, while the interfaces to the computing infrastructure   Component Applications”
           controllers are deployed. The assessment and analysis will
           be released in future work.                        [4] Kaustabha Ray, Ansuman  Banerjee, Nanjangud C.
                                                                  Narendra, “Proactive Microservice Placement and
                 5.  RELATIONSHIP TO STANDARDS                    Migration for Mobile Edge Computing,” 2020
                                                                  IEEE/ACM Symposium on Edge Computing (SEC).
           The new generation of services represented by XR brings
           new challenges not only for network performance but also   [5] Xiongyan Tang, Chang Cao, Youxiang Wang, Shuai
           for computing performance. Joint optimization of computing   Zhang, Ying Liu, Mingxuan Li, and Tao He,
           performance and network performance is a key issue for   “Computing power network: The architecture of
           next-generation computing and network  convergence     convergence of computing and networking towards 6G
           infrastructure, and relevant standardization work has also   requirement,” China Communications, vol.  18, pp.
           been started.                                          175-185, 2021.

           Recommendation ITU-T Y.2501, which has been approved   [6] “Extension Mechanisms for DNS,” IETF RFC 6891,
           in ITU-T SG13, defines the  computing  power  network   2013.
           architecture from the  perspective of  resource allocation
           optimization by network. In this paper, the overlay service   [7] Shuo Wang, Xing Zhang, Yan Zhang, Lin Wang, Juwo
           anycast system proposed works on both the CPN resource   Yang, and Wenbo Wang, “A Survey on Mobile Edge
           layer  and  CPN  control  layer,  and  performs  computing   Networks: Convergence of Computing, Caching and
           resource allocation towards users by traffic engineering. The   Communications,” IEEE Access, vol. 5, pp. 6757-
           work item Y.CAN-reqs proposed a networking solution to   6779, 2017.
           support cloud  computing including distributed cloud,
           combine computing information with network information   [8] Nam Ky Giang, Rodger Lea, Michael Blackstock, and
           and user’s service requirements, and finally guarantee the   Victor C.M. Leung, “Fog at the Edge: Experiences
           service requirements both on computing and the network,   Building an Edge Computing Platform,” 2018 IEEE
           which is the QoE-oriented load balance mentioned in this   International Conference on Edge Computing (EDGE).
           paper.
                                                              [9] M. S. Elbamby, C. Perfecto, M. Bennis and K. Doppler,
           Furthermore, there are also some CNC-related work items   “Toward low-latency and ultra-reliable virtual reality,”
           under study, and this paper provides a preliminary technical   IEEE Netw., vol. 32, pp. 78-84, Mar./Apr. 2018.
           solution for these proposals.
                                                              [10] “System architecture for the 5G System (5GS),” 3GPP
                          6.  CONCLUSIONS                         TS 23.501.

           In this paper the challenges of supporting XR-type business   [11] “Architecture for enabling Edge Applications,” 3GPP
           applications to the existing infrastructure and the technical   TS 23.558.
           requirements for load  balancing  of  computing  services
           through the  network control  plane  are summarized.  To
           provide a better solution, existing related work is reviewed





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