Wednesday, February 2, 2022< ^ >
Meetecho has set the subject to: QIRG Meeting @IETF-111 Virtual Interim
Room Configuration
Room Occupants

[11:50:07] Wojciech Kozlowski_web_507 joins the room
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[11:55:04] <Rodney Van Meter_web_235> Slides are available in Datatracker at
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[12:01:21] <RAI Gyananjay_web_669> Hi Everyone
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[12:17:10] <Scott Fluhrer_web_786> My question: who selected a and b?
[12:17:31] <Bruno Rijsman_web_189> Ditto for r and s
[12:18:34] <Scott Fluhrer_web_786> Who is C1 and C2?  Are they intermediate devices, or are they subcomponents of A and B?
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[12:24:36] <RAI Gyananjay_web_669> Assuming its for a  pure quantum network; is there any way we can make implement for classical network?
[12:26:10] <Wojciech Kozlowski_web_507> Can you clarify your question Rai? QKD needs qubits so it cannot be directly implemented for a classical network
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[12:31:45] <RAI Gyananjay_web_669> When we talk about Qubit ( probably we imply  to quantum computing and processing );can we implement quantum key distribution over classical networking  ( just a key exchange) and security ( as a measure against Shor's algorithms and key attack for classical networking
[12:32:55] <Wojciech Kozlowski_web_507> No, quantum key distribution security proofs rely on the quantum nature of qubits, in particular the fact that measurement disturbs the qubit in a way that will be detected by Alice and Bob
[12:33:06] <Toshihiko Sasaki_web_451> QKD network with trusted nodes can be built with optical switches. Is there any advantage compared to that?
[12:33:23] <Toshihiko Sasaki_web_451> sorry, "without"
[12:33:36] Alexey Popov_web_858 joins the room
[12:33:55] <Wojciech Kozlowski_web_507> @Toshihiko, is that a question about Qline?
[12:34:01] <Toshihiko Sasaki_web_451> Yes
[12:34:34] <Toshihiko Sasaki_web_451> sorry
[12:34:40] <Toshihiko Sasaki_web_451> without trusted node
[12:34:43] <Rodney Van Meter_web_235> @Rai, most of the time, QKD is done by transmitting a single photon, and using some characteristic of the photon (e.g., polarization, though there are other options) as a qubit.
[12:35:25] <Scott Fluhrer_web_786> Question for presenter: can you expand how QLine would work on a full Quantum Network (one that transports/shares entangled qubits)?  What advantages would it have over simpler approaches?
[12:36:17] <Stephen DiAdamo_web_554> I think also the Qline vs. optical switching provides higher connectivity right?
[12:40:02] <RAI Gyananjay_web_669> @Rod and Wojtek: My though is the data and signal encoding will be independent of  Qubit and classical bits
[12:40:13] <RAI Gyananjay_web_669> or hsould
[12:42:05] <Wojciech Kozlowski_web_507> I'm sorry Rai, but I don't really understand your question. What do you mean by data/signal encoding being independent of qubits/classical bits?
[12:42:25] <Rodney Van Meter_web_235>
[12:42:38] <Rodney Van Meter_web_235> (the LINCOS paper)
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[12:50:02] <RAI Gyananjay_web_669> I mean  QKD and quantum networking will be implementation on or should be on  top of application layer .
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[12:52:31] <Bruno Rijsman_web_189> :clap:
[12:52:41] <Stephen DiAdamo_web_554> :clap:
[12:52:58] <Panagiotis Tzounakis_web_829> please clarify advantage of qline vs "traditional" QKD. cost-effective or more?
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[12:58:36] <Peter Koch_web_316> :clap:
[12:58:45] <Stephen DiAdamo_web_554> Thanks
[12:58:50] <Suzanne Woolf_web_813> Thank you!!
[12:58:51] Sibylle Schaller_web_573 leaves the room
[12:58:51] <RAI Gyananjay_web_669> Thanks
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[12:59:02] <Panagiotis Tzounakis_web_829> thanks a lot
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