> ## Documentation Index
> Fetch the complete documentation index at: https://docs.monad.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# 传输协议使用

> 节点通信中传输协议使用的概述

Monad 节点使用 TCP 和 UDP 协议进行不同类型的通信。

| 流量类型                                                                                                  | 协议  |
| ----------------------------------------------------------------------------------------------------- | --- |
| [主级 RaptorCast](/zh/monad-arch/consensus/raptorcast)                                                  | UDP |
| [次级 RaptorCast](/zh/monad-arch/consensus/raptorcast#secondary-raptorcast-full-node-block-propagation) | UDP |
| [节点发现](/zh/monad-arch/consensus/peer-discovery)                                                       | UDP |
| [交易转发](/zh/monad-arch/consensus/local-mempool)                                                        | UDP |
| [向专用全节点转发区块](/zh/node-ops/full-node-block-delivery#dedicated-upstream)                                | UDP |
| [Blocksync](/zh/monad-arch/consensus/blocksync)                                                       | TCP |
| [Statesync](/zh/monad-arch/consensus/statesync)                                                       | TCP |