Packet sizes are collected as uncompressed bytes. But once all fragments have been read, the FileStorageSummary.Summarize method is called from Session to scale all the PacketSize values such that they represent compressed bytes.
Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2