ACOnet makes use of BGP community strings to add extra information to routing entries. ACOnet participants have the ability to define the scope of their route announcements within their administrative boundaries. On the other side ACOnet participants can use the marked routes to determine where their packets leave ACOnet. Read the following BGP Communities as 1853:XXXX.


Values interpreted by ACOnet

Notes:
orange = commercial traffic (see Class of Service)
green = academic/local traffic
CBF = Cross Border Fiber

do not announceprepend 1prepend 2prepend 3prepend 4
all external10001002100310041005
Hurricane Electric10101012101310141015
GÉANT NREN Traffic10201022102310241025
next layer Vienna10301032103310341035
next layer Salzburg (backup)10401042104310441045
VIX11101112111311141115
GÉANT Peering Service11201122112311241125
all CBF12001202120312041205
SANET12101212121312141215
CESNET12201222122312241225
PIONIER12301232123312341235
all commodity13001302130313041305


BGP communities passed on to ACOnet participants

Notes:
orange = commercial traffic (see Class of Service)
green = academic/local traffic

from
Hurricane Electric1019
GÉANT NREN Traffic1029
next layer Vienna1039
next layer Salzburg (backup)1049
VIX1119
GÉANT Peering Service1129
SANET1219
CESNET1229
PIONIER1239
ACOnet Participants1853