Issue 17398: Question About Arrows In Communication Diagramms (uml2-rtf) Source: (, ) Nature: Uncategorized Issue Severity: Summary: wonder about the arrows used in communication diagramms (superstructure spec, Page 524). Do they indicate the type of message - as it is with sequence diagramms (sync, async) - or do they indicate the direction of message only. I didn't find a statement in the superstructure spec and several UML related books offered different oppinions. Resolution: Revised Text: Actions taken: May 29, 2012: received issue Discussion: End of Annotations:===== te: Tue, 29 May 2012 09:29:26 -0400 (EDT) Subject: [Fwd: Question About Arrows In Communication Diagramms] From: "Joe Harth" To: juergen@omg.org, linda@omg.org, siegel@omg.org User-Agent: SquirrelMail/1.4.11 ---------------------------- Original Message ---------------------------- Subject: Question About Arrows In Communication Diagramms From: "Steffen Wahl" Date: Tue, May 29, 2012 9:29 am To: info@omg.org -------------------------------------------------------------------------- Dear Sir or Madam, I wonder about the arrows used in communication diagramms (superstructure spec, Page 524). Do they indicate the type of message - as it is with sequence diagramms (sync, async) - or do they indicate the direction of message only. I didn't find a statement in the superstructure spec and several UML related books offered different oppinions. Could you please help me out here? Best regards Steffen Wahl -- Steinbeis Transferzentrum Softwaretechnik Steffen Wahl Fon ++49-(0)711-305111-20 Fax ++49-(0)711-305111-12 www.stz-softwaretechnik.de Entennest 2 73730 Esslingen STZ-Leiter: Prof. Dr. Joachim Goll Zentrale: Steinbeis GmbH + Co. KG fühnologietransfer Geschäsfü/Management Board: Prof. Dr. Michael Auer (Vorsitz/Chair), Dipl.-Kfm. Manfred Mattulat Registergericht Stuttgart, HRA 12 480 Komplementä Steinbeis-Verwaltungs-GmbH, Registergericht Stuttgart HRB 18 715 USt-IdNr. DE 190606404 Joe Harth Systems Administrator Object Management Group 140 Kendrick St Building A Suite 300 Needham, MA 02494 USA tel: +1 781 444 0404 x 121 fax: +1 781 444 0320 cell: +1 617 416 5352 email: joe@omg.org http://www.omg.org