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// $URL$
// $Id$
// This is an attempt to capture
// http://subvert-rpki.hactrn.net/docs/prague-whiteboard-2007-03-22-23:15:01.jpg
// {arrowhead,arrowtail} shapes to use for database object relationships:
// 1- none
// m- crow
// Color code:
// Blue: visible in left-right protocol
// Green: created on the fly
// Explanation for many-many mapping beween CA and child objects
// (courtesy of RobL): Each child is an entity; each CA can have
// multiple children, and each child can hold certs from multiple CAs.
digraph rpki_engine_objects {
rotate=90; size="11,8.5"; splines=true; ratio=fill;
node [ shape=record ];
// Objects visible in left-to-right protocol
node [ color=blue ];
self [ label="Self|{Preferences}" ];
parent [ label="Parent|{URI|TA}" ];
repo [ label="Repository|{URI|TA}" ];
child [ label="Child|{TA}" ];
biz_sign [ label="Business\nSigning Context|{Keypair|CertChain}" ];
// Objects created on the fly by the RPKI engine
node [ color=green ];
ca [ label="CA|{CRL #|Last Issued Serial #}" ];
child_cert [ label="Child Certificate" ];
ee_cert [ label="EE Certificate|{ROA}" ];
ca_key_pair [ label="CA Key Pair|{Latest CA Certificate|Latest CRL}" ];
// One-many mappings
edge [ color=blue, arrowtail=none, arrowhead=crow ];
biz_sign -> child;
biz_sign -> parent;
biz_sign -> repo;
self -> child;
self -> parent;
repo -> parent;
// Many-many mappings
edge [ color=green, arrowtail=crow, arrowhead=crow ];
ca -> child;
// One-many mappings
edge [ color=green, arrowtail=none, arrowhead=crow ];
ca -> ca_key_pair;
child -> child_cert;
self -> ca;
parent -> ca;
// Weird one-many
edge [ color=green, arrowtail=none, arrowhead=crow, style=dashed ];
ca_key_pair -> child_cert;
ca_key_pair -> ee_cert;
}
// Local Variables:
// compile-command: "neato -Tps2 whiteboard-object-model.dot | ps2pdf - whiteboard-object-model.pdf"
// End:
|
