BIND 10 #2827: v6 relays support in Kea

[BIND 10 Development]

#2827: v6 relays support in Kea
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            Reporter:  tomek         |                        Owner:
                Type:  enhancement   |  UnAssigned
            Priority:  medium        |                       Status:
           Component:  dhcp6         |  reviewing
            Keywords:                |                    Milestone:
           Sensitive:  0             |  Sprint-DHCP-20130328
         Sub-Project:  DHCP          |                   Resolution:
Estimated Difficulty:  0             |                 CVSS Scoring:
         Total Hours:  0             |              Defect Severity:  N/A
                                     |  Feature Depending on Ticket:
                                     |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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Changes (by tomek):

 * owner:   => UnAssigned
 * status:  new => reviewing


Comment:

 Pkt6 class is now able to parse and build relayed messages.

 This does not mean that the server is able to handle relays yet. Support
 for this needs to be added in Dhcpv6Srv class, but that is a very easy
 thing to do once this ticket is merged.

 Please review.

 The traffic capture used in tests features a fancy message from a real
 life network. It has one odd remote-id option that have field that is
 empty. This tripped over our option parser, so it was modified slightly to
 allow empty strings and binary data. This is a separate issue and solving
 it properly should be done as a separate ticket.

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Ticket URL: <http://bind10.isc.org/ticket/2827#comment:2>
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