E |---------------| 192.0.2.16 - 192.0.2.30
F |--------| 192.0.2.0 - 192.0.2.5
G |----| 192.0.2.6 - 192.0.2.9
Query |- - | 192.0.2.6 - 192.0.2.9
One level less specifics, allowEquivalences = false
Result: C
Figure 23: Specificity Example 11
A |------------------| 192.0.2.0 - 192.0.2.15
B |------------------| 192.0.2.16 - 192.0.2.31
C |--------------| 192.0.2.0 - 192.0.2.9
D |---------------| 192.0.2.16 - 192.0.2.30
E |---------------| 192.0.2.16 - 192.0.2.30
F |--------| 192.0.2.0 - 192.0.2.5
G |----| 192.0.2.6 - 192.0.2.9
Query|- - - - - - | 192.0.2.0 - 192.0.2.8
One level less specifics, allowEquivalences = false or true
Result: C
Figure 24: Specificity Example 12
A |------------------| 192.0.2.0 - 192.0.2.15
B |------------------| 192.0.2.16 - 192.0.2.31
C |--------------| 192.0.2.0 - 192.0.2.9
D |---------------| 192.0.2.16 - 192.0.2.30
E |---------------| 192.0.2.16 - 192.0.2.30
F |--------| 192.0.2.0 - 192.0.2.5
G |----| 192.0.2.6 - 192.0.2.9
Query = E
Find parent (Query argument is a handle)
Result: D
Figure 25: Specificity Example 13
A |------------------| 192.0.2.0 - 192.0.2.15
B |------------------| 192.0.2.16 - 192.0.2.31
C |--------------| 192.0.2.0 - 192.0.2.9
D |---------------| 192.0.2.16 - 192.0.2.30
E |---------------| 192.0.2.16 - 192.0.2.30
F |--------| 192.0.2.0 - 192.0.2.5
G |----| 192.0.2.6 - 192.0.2.9
Query = D
Find child (Query argument is a handle)
Result: E
Figure 26: Specificity Example 14
Appendix D. Contributors
David Blacka and Tim Christensen made substantial contributions to
this document.
Appendix E. Acknowledgements
Eric Hall, William Leibzon, April Marine, George Michaelson, Tim
Christensen Cathy Murphy, Andrei Robachevsky, Marcos Sanz, Frederico
Neves, Ted Hardie, and many others contributed constructively in the
mailing list discussions and IETF Meeting sessions.
Authors’ Addresses
Engin Gunduz
RIPE NCC
Singel 258
Amsterdam 1016AB
The Netherlands
Phone: +31 20 535 4444
EMail: e.gunduz@computer.org
Andrew L. Newton
VeriSign, Inc.
21345 Ridgetop Circle
Sterling, VA 20166
USA
Phone: +1 703 948 3382
EMail: andy@hxr.us
Shane W. Kerr
RIPE NCC
Singel 258
Amsterdam 1016AB
The Netherlands
Phone: +31 20 535 4444
EMail: shane@time-travellers.org
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