Update: OPRA Message Change Prompts Bandwidth Increases

The expanded header message increases OPRA message sizes by 30 percent overall, participants say.

ian-mcintyre-sr-labs-2016

Although consumer firms have been advised by OPRA to ignore the field, vendors who must redistribute the OPRA feed including the new header format say that regardless of whether firms can utilize the expanded data, it still incurs a greater delivery burden.

The old message header format included a participant ID, a message category field, a message type field, and a message indicator field, each accounting for one byte. The header now includes a new, eight-byte transaction ID field, bringing the

To continue reading...

You need to sign in to use this feature. If you don’t have a WatersTechnology account, please register for a trial.

Sign in
You are currently on corporate access.

To use this feature you will need an individual account. If you have one already please sign in.

Sign in.

Alternatively you can request an indvidual account here: