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1.1 ! root 1: .PS 5.0i ! 2: lineht = 3*lineht/2 ! 3: ## figure A-32 ! 4: B1: box "\sf (N)-service" "\sf user" ! 5: line down from B1.s ! 6: B3: box "\sf (N)-service" "\sf entity" ! 7: line down from B3.s ! 8: B5: box invis ! 9: ## ! 10: B2: box "\sf (N)-service" "\sf user" with .w at (B1.e.x+3*linewid, B1.e.y) ! 11: line down from B2.s ! 12: B4: box "\sf (N)-service" "\sf entity" ! 13: line down from B4.s ! 14: B6: box invis ! 15: ## ! 16: line from B3.e to B4.w dashed ! 17: move to ((B3.e.x+B4.w.x)/2, B3.e.y) \ ! 18: "\sf \begin{tabular}{c} (N)-service protocol\\ specification\end{tabular}" ! 19: ## ! 20: B7: box "\sf (N-1)-service provider" with .nw at B5.nw width (B6.ne.x-B5.nw.x) ! 21: ## ! 22: B10: box dashed with .nw at (B1.w.x-linewid/2, (B1.s.y+B3.n.y)/2) \ ! 23: height (B1.s.y-B7.s.y) \ ! 24: width ((B2.e.x+linewid/2)-(B1.w.x-linewid/2)) ! 25: move to B10.ne; \ ! 26: "\sf \ \begin{tabular}{c}(N)-service\\ definition\end{tabular}" ljust ! 27: ## ! 28: B8: box invis "\sf (N)-service access point" \ ! 29: with .n at ((B1.c.x+B2.c.x)/2, B1.s.y) \ ! 30: height boxht/2 width 3*boxwid/2 ! 31: arrow from (B8.sw.x, B8.sw.y+boxht/10) \ ! 32: to (B3.n.x+linewid/12, (B1.s.y+B3.n.y)/2+lineht/20) ! 33: arrow from (B8.se.x, B8.se.y+boxht/10) \ ! 34: to (B4.n.x-linewid/12, (B2.s.y+B4.n.y)/2+lineht/20) ! 35: ## ! 36: B9: box invis with .s at B7.n \ ! 37: height lineht/2 \ ! 38: width (B4.c.x-B2.c.x) \ ! 39: "\sf (N-1)-service access point" ! 40: arrow from (B8.sw.x, B9.c.y-boxht/10) \ ! 41: to (B3.n.x+linewid/12, B7.n.y+lineht/20) ! 42: arrow from (B8.se.x, B9.c.y-boxht/10) \ ! 43: to (B4.n.x-linewid/12, B7.n.y+lineht/20) ! 44: ## ! 45: .PE
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