diff --git a/draft-nbourbaki-6man-classless-ipv6.xml b/draft-nbourbaki-6man-classless-ipv6.xml
index 5cd8c96..92bfd00 100644
--- a/draft-nbourbaki-6man-classless-ipv6.xml
+++ b/draft-nbourbaki-6man-classless-ipv6.xml
@@ -78,6 +78,9 @@
risk of mis-implementation, which can easily result in serious
operational problems.
+ This document also clarifies that IPv6 routing subnets may be of any
+ length up to 128.
+
@@ -130,20 +133,19 @@ rate is low enough.
-
+
- To state it simply, IPv6 unicast subnetting is based on prefixes
- of any valid length up to 128 except for links where an Internet
- Standard that has nothing to do with routing may impose a
- particular length. Examples are Stateless Address Autoconfiguration
+ IPv6 unicast interfaces may use any subnet length up to 128 except
+ for situations where an Internet Standard document may impose a
+ particular length, for example Stateless Address Autoconfiguration
(SLAAC) , or Using 127-Bit IPv6 Prefixes on
Inter-Router Links .
- Nodes must always support routing on any valid network prefix
- length, even if SLAAC or other standards are in use, because routing
- could choose to differentiate at a different granularity than is
- used by any such automated link local address configuration
- tools.
+ Additionally, this document clarifies that a node or router MUST
+ support routing of any valid network prefix length, even if SLAAC or
+ other standards are in use, because routing could choose to
+ differentiate at a different granularity than is used by any such
+ automated link local address configuration tools.