# ConnectionFrameHelper Fields

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.messaging.connectionframehelper/)

## DefaultMaxFrameLength {#defaultmaxframelength-9e4c614b}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.messaging.connectionframehelper/fields/defaultmaxframelength-9e4c614b/)

[Source](https://github.com/dotnet/orleans/blob/c9649c32492ebefacecd89d6fdef918adede6cdf/src/Orleans.Core/Networking/ConnectionFrameHelper.cs)

```csharp
public const int DefaultMaxFrameLength
```

Default maximum frame length (1 MB).

## FramePrefixSize {#frameprefixsize-916b47ad}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.messaging.connectionframehelper/fields/frameprefixsize-916b47ad/)

[Source](https://github.com/dotnet/orleans/blob/c9649c32492ebefacecd89d6fdef918adede6cdf/src/Orleans.Core/Networking/ConnectionFrameHelper.cs)

```csharp
public const int FramePrefixSize
```

Prefix size: 4 bytes (LE length) + 1 byte (frame type) = 5 bytes.