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Annotation of 43BSDReno/contrib/isode-beta/doc/practical-osi1/figureA-13.pic, revision 1.1.1.1

1.1       root        1: \def\sprotocol{[ISO/IEC 8327]}
                      2: \def\tservice{[ISO/IEC 8072]}
                      3: \def\sservice{[ISO/IEC 8326]}
                      4: .PS 5.0i
                      5: lineht  =       3*lineht/2
                      6: ## figure APS-1
                      7: B1:     box "\sf session" "\sf user"
                      8:         line down from B1.s
                      9: B3:     box "\sf session" "\sf entity"
                     10:         line down from B3.s
                     11: B5:     box invis
                     12: ##
                     13: B2:     box "\sf session" "\sf user" with .w at (B1.e.x+3*linewid, B1.e.y)
                     14:         line down from B2.s
                     15: B4:     box "\sf session" "\sf entity"
                     16:         line down from B4.s
                     17: B6:     box invis
                     18: ##
                     19:         line dashed from (B1.w.x-linewid/2, (B1.s.y+B3.n.y)/2) \
                     20:                     to   (B2.e.x+linewid/2, (B2.s.y+B4.n.y)/2)
                     21:         box invis with .w at (B2.e.x, (B2.s.y+B4.n.y)/2) \
                     22:             "\sf \begin{tabular}{r}session service\\ \sservice\end{tabular}"
                     23: ##
                     24:         line dashed from (B3.w.x-linewid/2, (B3.s.y+B5.n.y)/2) \
                     25:                     to   (B4.e.x+linewid/2, (B4.s.y+B6.n.y)/2)
                     26:         box invis with .w at (B4.e.x, (B4.s.y+B6.n.y)/2) \
                     27:             "\sf \begin{tabular}{r}transport service\\ \tservice\end{tabular}"
                     28: ##
                     29:         line <-> from B3.e to B4.w dashed
                     30:         move to ((B3.e.x+B4.w.x)/2, B3.e.y) \
                     31:             "\sf \begin{tabular}{c} session protocol\\ \sprotocol\end{tabular}"
                     32: ##
                     33: B7:     box "\sf transport provider" with .nw at B5.nw width (B6.ne.x-B5.nw.x)
                     34: ##
                     35: B8:     box invis "\sf session service access point" \
                     36:                 with .n at ((B1.c.x+B2.c.x)/2, B1.s.y) \
                     37:                 height boxht/2 width 3*boxwid/2
                     38:         arrow from (B8.sw.x, B8.sw.y+boxht/10) \
                     39:                 to (B3.n.x+linewid/12, (B1.s.y+B3.n.y)/2+lineht/20)
                     40:         arrow from (B8.se.x, B8.se.y+boxht/10) \
                     41:                 to (B4.n.x-linewid/12, (B2.s.y+B4.n.y)/2+lineht/20)
                     42: ##
                     43: .PE

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