#### ASpath-tree v.4.2 - Released on Thu APR 17 2003, h.16:58:12
#### File: changes.txt Last modified on Wed APR 16 2003, h.09:21:06

****** Version 4.2 (04/03) *******
Graphic display of 6Bone backbone and commercial prefixes becomes an
option. Prepended AS information displayed by prefix.
Fixed few minor bugs. Code clean-up.

****** Version 4.1 (12/02) *******
Fixed  few bugs since v.4.0. AS confederations supported properly.
Added support for zebra versions 093x.
Users experiencing damped or historical route entries strongly
recommended
to upgrade.

****** Version 4.0 (11/02) *******
Added support for other router platforms (Zebra, Juniper).
Improved management of information coming from public whois DBs.
Improved BGP4+ routing table analysis:
- AS sets and prepended As numbers supported properly
- choice to display received announces only (not consider local
  advertisement)
- possible to filter out all suppressed  or suppressed & learned
  through iBGP route entries
- new summary figures in home page page: route summary (number of
  best/total routes), AS summary (number of ASes/reserved ASes/private
  ASes), Number of active peers, AS distance summary
- highlight of private/reserved ASs in use
Fixed few minor bugs. Code clean-up.

****** Version 3.3 (03/02) *******
Added support for /32 pTLA prefixes in order to fix odd routes
detection.
Fixed few minor bugs. Minor code clean-up.

****** Version 3.2 (06/01) *******
Fixed perl 5.6.0 compatibility problem.
Support for cisco IOS < 12 eliminated.
Improved BGP4+ routing table analysis: local suppressed routes not
displayed on tree pages, local BGP4+ route details page.
Tree changes display reintroduced (flag to be set in conf. file).
Minor code clean-up.

****** Version 3.1 (11/00) *******
Fixed a bug for supporting cisco IOS > 12.
Minor code clean-up.

****** Version 3.0 (12/99) *******
Added support for other prefixes assigned by IANA.
Tree changes display eliminated. Improved odd routes pages.
Improved execution speed (about 5 times faster) and overall
efficiency.
Added support for cisco IOS > 12.

****** Version 2.2 (07/99) *******
Added support for new /28 pTLA prefixes in order to fix odd routes
detection.
Fixed a couple of minor bugs (including Y2K).
Code clean up.

****** Version 2.1 (03/99) *******
Fixed a few minor bugs. No further enhancements.

****** Version 2.0 (08/98) *******
Added the following new features:
- authomatic detection of BGP4+ routing anomalies (invalid or
  unaggregated prefixes)
- BGP4+ routing stability analisys

****** Version 1.0 (04/98) *******
First version of the tool. Graphical view of the BGP4+ routing tree
towards the 6Bone. Two diagrams are displayed: one for backbone sites
only and the other for the whole 6Bone.

#### ASpath-tree v.4.2 - Released on Thu APR 17 2003, h.16:58:12
#### File: changes.txt Last modified on Wed APR 16 2003, h.09:21:06
