0003435: OPC UA Secure Conversation - Reduce TransportProtocol buffer minimum size.

ID	Project	Category	View Status	Date Submitted	Last Update

0003435	Feature Requests	Feature Request	public	2016-05-17 17:06	2022-09-27 16:32

Reporter	Kenneth G. Dunahee	Assigned To	Jim Luth
Priority	normal	Severity	minor	Reproducibility	have not tried
Status	closed	Resolution	fixed

Summary	0003435: OPC UA Secure Conversation - Reduce TransportProtocol buffer minimum size.
Description	1.03 Part 6 Sections 6.7.1 Overview and 6.7.2 MessageChunk structure require: UASC requires a TransportProtocol buffer size that is at least 8196 bytes. The MessageChunkSize depends on the transport protocol but shall be at least 8196 bytes. Requiring buffers 8196 or larger prevents OPC UA from scaling down to more constrained entry-level devices. Recommend moving buffer size restriction from Part 6 to Part 7 and making restriction based on profiles.
Tags	No tags attached.

Commit Version
Fix Due Date

Date Modified	Username	Field	Change
2016-05-17 17:06	Kenneth G. Dunahee	New Issue
2016-09-13 16:11	Jim Luth	Note Added: 0007179
2016-09-13 16:11	Jim Luth	Status	new => acknowledged
2022-09-27 16:32	Jim Luth	Assigned To	=> Jim Luth
2022-09-27 16:32	Jim Luth	Status	acknowledged => closed
2022-09-27 16:32	Jim Luth	Resolution	open => fixed
2022-09-27 16:32	Jim Luth	Note Added: 0017858

Jim Luth 2016-09-13 16:11 administrator ~0007179	Address this when we do protocol surgery for constrained devices.

Jim Luth 2022-09-27 16:32 administrator ~0017858	ECC allows for smaller buffer sizes. Fixed in 1.05.01.