# Cascade

Cascade is our high-performance transaction delivery network for Solana, designed to provide a more reliable and predictable path for your transactions to land on-chain, especially during periods of high network congestion.

#### How It Works

Cascade utilizes Solana's **Stake-Weighted Quality of Service (SWQoS)**, allowing transactions to be sent through the reserved, private connection pools of staked validators. This bypasses the often-congested public TPU ports that standard RPC services use, resulting in a higher delivery success rate.

#### Key Components

* **Bandwidth Marketplace** ~~A marketplace where application developers can~~ [~~buy reserved transaction bandwidth~~](/chains/solana/cascade/buying-transaction-bandwidth.md) ~~and validators can~~ [~~sell their excess bandwidth~~](/chains/solana/cascade/providing-transaction-bandwidth.md)~~, creating a fair market price for priority access.~~ The marketplace has been sunset, we now add SWQoS transaction bandwidth for free at your request.
* **Best Practices for Sending** To get the most out of Cascade, it's crucial to structure your transactions correctly. Following our [Transaction Sending Advice](/chains/solana/cascade/sending-txs.md) for client-side retries, compute budgets, and priority fees will significantly improve performance.
* **Yellowstone Shield Integration** Cascade is fully integrated with [Yellowstone Shield](/project-yellowstone/shield-transaction-policies.md), allowing you to apply on-chain policies to control exactly which validators are allowed to process your transactions, protecting you from MEV and other risks.

#### Getting Access

To start sending transactions through the Cascade network, please contact our support team to get set up.


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