[litep2p-milestone]: Stabilize the Quic Transport Layer

[lexnv]

The Vision

Enhance the robustness and fault tolerance of the QUIC protocol.

QUIC is a modern transport layer protocol that offers:

• Connection establishment with a single RTT, compared to the three RTTs required by traditional TCP
• Native encryption with TLS for secure connections
• Built-in multiplexing for improved efficiency

The goal is to make QUIC the default transport layer for substrate-based chains running litep2p.

The Plan

To achieve this, we need to focus on the following:

• Updating the Quinn dependency to the latest API to address performance issues and apply bug fixes
• Analyzing memory usage to eliminate leaks and minimize unnecessary cloning
• Exposing transport layer metrics for better monitoring and analysis

Tasks

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1. quic: Update quinn dependency to 0.11 from 0.9 #308
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2. Please remove rustls 0.20.9 from dependencies #216
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3. quic: Configure timeout for open / accept susbstreams #131
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4. quic: Expose transport layer metrics #309
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5. quic: Analyze transport layer memory usage #310
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