Page 69 - Kaleidoscope Academic Conference Proceedings 2022
P. 69
Extended reality – How to boost quality of experience and interoperability
of models and architectures for effective federation of In subsequent work we plan to delve deeper into each of
resources across providers, but also approaches that warrant these areas and develop specific solutions.
the confinement of data within the boundaries defined by
specific laws and regulations, e.g. GDPR. REFERENCES
6.3 Network softwarization [1] Alliance for Internet of Things Innovation,
“Identifiers in internet of things, February 2018.
Although some controller implementations in the network Available at:
domain, e.g. ONOS [17], have been coined operating https://euagenda.eu/upload/publications/identifiers
systems, their functionality is limited to that of control and -in-internet-of-thingsiot.pdf
management. The equivalent can be said about Kubernetes
[13], a container orchestration platform, for the compute [2] A.K. Bandara, et al., “Policy refinement for IP
domain. The design and development of a fully-fledged differentiated services quality of service
Operating System (OS) for networks is the main challenge management, IEEE Transactions on Network and
in this area. Key issues to address include the definition of Service Management (TNSM), vol. 2, no. 2, 2006.
objects and abstractions which the OS will handle and that
can be unambiguously referenced (e.g. links, paths, [3] S. Bhattacharjee, K.L. Calvert, E.W. Zegura, “An
topologies, slices, containers, network and management architecture for active networking,” In proceedings
functions, etc.), but also the design of APIs through which of International Conference on High Performance
services can interact with those objects to specify, for Networking, Boston, USA, April 1997.
example, resources and requirements. The infrastructure
programmability could be realized with a high-level intent [4] P. Bosshart et al., “P4: Programming protocol-
engine that can use primitives on the attributes of the same independent packet processors,” ACM SIGCOMM
objects and abstractions. Computer Communication Review (CCR), vol. 44,
no. 3, pp.87-95, 2014.
Another challenge concerns the derivation of functionalities
and facilities that will be common for all services, so that [5] M. Charalambides et al., “Policy conflict analysis
developers do not need to re-implement these, i.e. for for DiffServ quality of service management,”
reusability. While device drivers responsible for interacting IEEE Transactions on Network and Service
with network devices for low-level configurations are Management (TNSM), vol. 6, no. 1, pp. 15-30,
important, a network OS can utilize existing controller and March 2009.
container management implementations as the bottom end to
enforce desired configurations. [6] A. Clemm, et al., “Intent-based networking -
Concepts and definitions,” IRTF Draft, September
6.4 Network addressing 2020.
The penetration of IoT scenarios requires power-efficient [7] ETSI NFV ISG, “ETSI Network Functions
operations that suit the characteristics of such networks. A Virtualisation (NFV) Industry Standards (ISG)
key challenge in this area is the design of a new elastic Group Draft Specifications,”
addressing scheme and associated mechanisms that can http://docbox.etsi.org/ISG/NFV/Open, December
allow the use of short addresses while data is communicated 2014, Accessed on January 31, 2021.
within the IoT network (or other specialized deployments)
and longer ones when being routed over the public Internet. [8] L. Han, R. Li, “Problems and requirements of
Another challenge concerns the design of a new structure for satellite constellation for internet,” Internet Draft,
network addresses and associated identifiers that can allow July 2021.
for a rich set of semantics to be embedded in the packet
headers, going well beyond the traditional topological [9] N. Hassan, K.L.A. Yau, C. Wu, “Edge computing
locations. While doing so, it is important to avoid adding in 5G: A review,” IEEE Access, vol. 7,
significant overhead, if any, and to develop routing pp.127276-127289, August 2019.
mechanisms that can efficiently process the new semantics.
[10] Y.C. Hu, M. Patel, D. Sabella, N. Sprecher, V.
7. SUMMARY Young, “Mobile edge computing - A key
technology towards 5G,” ETSI white paper, no.
In this paper we stress the need of enhancing future networks 11, pp.1-16, September 2015.
with more flexibility given the key benefits in doing so, and
we presented four areas which we believe can have a [11] J. Jeong, “IPv6 wireless access in vehicular
significant impact towards achieving this objective. Based environments (IPWAVE): Problem statement and
on our analysis, important research challenges need to be use cases,” Internet Draft, September 2021.
addressed in order to improve the degree of flexibility, which
present interesting opportunities for academia and industry.
– 23 –