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