ACC Release Notes for the B.03.01 Release

Advanced Communications Controller Release Notes for the B.03.01 Release

What’s in this Version

• All ACC drivers have been modiﬁed to be MP Scalable. On

multiprocessor hardware, each driver may run in parallel on a

separate processor.

• Both the ACC kernel and API support true multi-threading

using POSIX threads. On multiprocessor hardware, this

enables maximum concurrency and true physical parallelism.

• Enhancements to X.25 protocol to fully support end-to-end

acknowledgments of data packets with the D-bit set 1.

• Enhancements to the HDLC/LAP-B protocol and X.25 level

protocol at level two to support modulo 128 extended sequence

numbering.

• The ACC X.25 subsystem has been modiﬁed to work with the

latest STREAMS-based X.25/9000 product.

• Some utilities have been enhanced to support 64-bit operations

and to improve general usability.

• Some unsupported and obsolete APIs have been removed.

For detailed information on the new features, see the section

“Major New Features and Enhancements” later in this document.

Fixes

This release includes all the bug ﬁxes and patches released for the

earlier release B.02.xx. See the section “Patches and Fixes in this

Version” for more information.