Re: [Bacnet-developers] IPv6 VMAC

[Carl N. <cne...@de...>]

The approach that the current draft is proposaing is to not use the IPv6
in BACnetAddress contructs. Instead, IPv6 devices would be referenced by
device Id using virtaul MACs as per addendum 135-2008q. IPv6 adds in the
ability to convert to and from the virtual MACs using new IPv6 BVLLs.
The use of IPv6 MAC addresses will be restricted to the lower layers of
the stack and will not be required in the network layer or above.
 
This allows the BACnetAddress constructs to be limited to 6 octets (or 7
if you want to store Neuron Ids but that is not really necessary).
 
Carl
 

________________________________

From: mat...@fr...
[mailto:mat...@fr...] 
Sent: Monday, February 22, 2010 5:51 AM
To: bac...@li...
Subject: [Bacnet-developers] IPv6 VMAC



Hello,

Any ideas on how to add IPv6 vmac support to the current BACNET_ADDRESS
resolution facility ?

Do you think it is better to store the IPv6 address and port in every
BACNET_ADDRESS or only in the address cache entries?
When it is best to fire BVLL address resolution requests? Is the
address_bind_request function the right place?

Best regards,
Matthieu VIAL