Page 62 - Kaleidoscope Academic Conference Proceedings 2022
P. 62
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
– 16 –