Page 57 - Kaleidoscope Academic Conference Proceedings 2021

・ Quantum communication: a class of novel D2.3.2 QKDN protocols part II: key
communication technologies that is based on the management, QKDN control layer
transmission of quantum signals, such as QKD, and management layer
quantum teleportation, quantum repeater. D2.4 QKDN transport technologies
・ Quantum sensing & metrology: the study of D2.5 QIT4N standardization outlook and
measurement techniques that give higher resolution and technology maturity part 2: quantum
key distribution network
sensibility in measurements of physical parameters than
the same measurement performed in a classical
framework. As illustrated in Figure 10, the implications of QITs for
Considering evolution and applications of Quantum networks can be classified into two levels: 1) the
Information Technology (QIT) as the fusion of quantum development of QITs has an impact and benefits for existing
physics and information technology for networks, ITU-T and emerging networks, which may include security
FG-QIT4N was created in 2019 to provide a collaborative enhancement, precision time synchronization, boosting
platform for pre-standardization aspects of QIT for signal and data processing capabilities, etc., and 2) the
networks, with the following topics (see Figure 9): development of QITs could forge new QINs via connecting
・ Telecom/network aspects of QKDNs that are identified various types of quantum information processing nodes (e.g.
quantum computers, quantum sensors, QKD nodes) by
in close coordination with ITU-T SG13 and SG17 as not quantum communication technologies and providing new
within the scope of SG13 (QKDN architecture aspects) services (e.g. distributed quantum computing and sensing).
and SG17 (security aspects of QKDNs and applications
of Quantum Random Number Generation (QRNG) for
security)
・ QIN technology and network evolution.

Figure 9 – A landscape of QIT standardization activities
and the position of FG-QIT4N
Figure 10 – Implications of QIT for networks
Table 2 – FG-QIT4N planned deliverables
In addition, ITU-T FG-QIT4N considers standards relevant
WG Deliverables to: 1) QIT as building blocks for QINs, 2) QIT for which the
network plays an intrinsic role, and 3) QIT to provide ICT
WG0 D0.1 QIT4N standardization landscape
(Coordination and outlook network functions and/or performance improvement.
committee)
WG1 D1.1 QIT4N terminology part 1: Network All deliverables (see Table 2) from ITU-T FG-QIT4N will
(Network aspects of QIT be transferred to relevant study groups in ITU-T for making
aspects of D1.2 QIT4N use case part 1: Network them formal ITU Recommendations or Supplements, etc.
QIT) aspects of QIT
D1.3 Implications of quantum information 5. CHALLENGES FOR FUTURE
technology on networks STANDARDIZATION
D1.4 QIT4N standardization outlook and
technology maturity part 1: Network A QKDN is still a continuously evolving technology. The
aspects of QIT challenges for QKDN standardization exist from near-term
WG2 D2.1 QIT4N terminology part 2: quantum issues (e.g. how to ensure security and interoperability of
(QKDN) key distribution network trusted relay based QKDNs) to medium and long-term issues
D2.2 QIT4N use case part 2: quantum key (e.g. how to reduce costs via integration of quantum and
distribution network classical telecommunication networks, how to extend the
D2.3.1 QKDN protocols part I: Quantum applications of QKD, how to scale up the network via
layer quantum relay) (see Figure 11).

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