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45 lines
1.7 KiB
Plaintext
45 lines
1.7 KiB
Plaintext
Chapter overview:
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* high level description of p2p interaction for the LN
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Relevant questions to answer:
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* Encrypted P2P Transport:
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* What is the noise protocol? How does it differ from TLS? Who created it
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* and what are some of primary design principles?
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* What is an authenticated key exchange?
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* Why does Noise offer various handshakes? What are some of unique properties certain handshakes offer?
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* What is key rotation in the context of a complete handshake? Why is it important?
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* What is "brontide"? How is it used in LN today? How can it be upgraded in the future?
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* LN Message Format:
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* What kind of framing is used in the LN message format? What's the max message size and why is it in place?
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* What is a varint? Why is it used in the protocol?
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* What are the message types of some of the popular messages in the protocol?
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* How can new messages be added in the future?
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* Feature bits:
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* What are feature bits in the network, and how+where are they advertised?
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* How can feature bits be used to phase in new features to the protocol?
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* Today, what are some of the major feature bits used in the system?
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* What's the difference between and end-to-end network upgrade and an internal network upgrade? How's the analogous to the evolution of routers and protocols in the existing internet?
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* TLV Message Extensions:
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* What does TLV stand for?
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* How is this related to the existing protobuf message format?
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* Where are TLV fields used in the protocol today?
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* How can TLV fields be used to extend the protocol, existing messages, and the onion itself?
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