\psset{griddots=0,gridlabels=8pt,subgriddiv=5}
\psset{xunit=10mm,yunit=10mm}
\begin{pspicture}(14,16)
%	\psgrid
	\newcommand{\clr}{black}
	% phases
	\psline[linewidth=1pt,linecolor=\clr,linestyle=dashed](0,2)(14,2)
	\psline[linewidth=1pt,linecolor=\clr,linestyle=dashed](0,8)(14,8)
	\psline[linewidth=1pt,linecolor=\clr,linestyle=dashed](0,14)(14,14)
	\rput{0}(1.5,8){
		\psset{fillcolor=white}
		\psset{fillstyle=solid}
		\psset{linecolor=\clr}
		\psset{framearc=.5}
		\psframebox{\textcolor{\clr}{code freeze}}
	}
	\psline[linewidth=1pt,linecolor=\clr]{<->}(13.5,2)(13.5,8)
	\rput{90}(13.5,5){
		\psset{fillcolor=white}
		\psset{fillstyle=solid}
		\psset{linecolor=\clr}
		\psset{framearc=.5}
		\psframebox{\textcolor{\clr}{implementation phase}}
	}
	\psline[linewidth=1pt,linecolor=\clr]{<->}(13.5,8)(13.5,14)
	\rput{90}(13.5,11){
		\psset{fillcolor=white}
		\psset{fillstyle=solid}
		\psset{linecolor=\clr}
		\psset{framearc=.5}
		\psframebox{\textcolor{\clr}{release phase}}
	}


	% master
	\newcommand{\masterx}{7}
	\psline[linewidth=2pt,linecolor=\clr,arrowsize=15pt]{->}(\masterx,1)(\masterx,15)
	\psset{fillcolor=\clr}
	\psdot[dotsize=10pt,dotstyle=o,linecolor=\clr](\masterx,2)
	\psdot[dotsize=10pt,dotstyle=o,linecolor=\clr](\masterx,3)
	\psdot[dotsize=10pt,dotstyle=o,linecolor=\clr](\masterx,7)
	\psdot[dotsize=10pt,dotstyle=o,linecolor=\clr](\masterx,8)
	\psdot[dotsize=10pt,dotstyle=o,linecolor=\clr](\masterx,14)
	\rput(\masterx,0.5){
		\psset{fillcolor=white}
		\psset{fillstyle=solid}
		\psset{linecolor=\clr}
		\psset{framearc=.5}
		\psframebox{\textcolor{\clr}{master}}
	}
	% feature/anti_osc
	\renewcommand{\clr}{ForestGreen}
	\newcommand{\featurex}{5}
	\psline[linewidth=2pt,linecolor=\clr](\masterx,2)(\featurex,3)
	\psline[linewidth=2pt,linecolor=\clr](\featurex,3)(\featurex,7)
	\psline[linewidth=2pt,linecolor=\clr,arrowsize=15pt]{->}(\featurex,7)(\masterx,8)
	\psline[linewidth=1pt,linecolor=\clr,linestyle=dashed](\featurex,2)(\featurex,8)
	\multido{\nA=3+2}{3}{
		\psset{fillcolor=\clr}
		\psdot[dotsize=10pt,dotstyle=o,linecolor=\clr](\featurex,\nA)
	}
	\rput(\featurex,1.5){
		\psset{fillcolor=white}
		\psset{fillstyle=solid}
		\psset{linecolor=\clr}
		\psset{framearc=.5}
		\psframebox{\textcolor{\clr}{feature/anti\_osc}}
	}
	% old_branch
	\renewcommand{\clr}{Gray}
	\newcommand{\xpos}{9}
	\psline[linewidth=2pt,linecolor=\clr,arrowsize=15pt]{->}(\xpos,2)(\masterx,3)
	\psline[linewidth=2pt,linecolor=\clr](\xpos,1)(\xpos,2)
	
	% fix/calibration_crc
	\renewcommand{\clr}{Maroon}
	\newcommand{\fixx}{9}
	\psline[linewidth=2pt,linecolor=\clr](\masterx,3)(\fixx,4)
	\psline[linewidth=2pt,linecolor=\clr](\fixx,4)(\fixx,6)
	\psline[linewidth=2pt,linecolor=\clr,arrowsize=15pt]{->}(\fixx,6)(\masterx,7)
	\psline[linewidth=1pt,linecolor=\clr,linestyle=dashed](\fixx,3)(\fixx,7)
	\multido{\nA=4+2}{2}{
		\psset{fillcolor=\clr}
		\psdot[dotsize=10pt,dotstyle=o,linecolor=\clr](\fixx,\nA)
	}
	\rput(\fixx,2.5){
		\psset{fillcolor=white}
		\psset{fillstyle=solid}
		\psset{linecolor=\clr}
		\psset{framearc=.5}
		\psframebox{\textcolor{\clr}{fix/calibration\_crc}}
	}
	% feature/dynamic_monitoring
	\renewcommand{\clr}{RoyalBlue}
	\renewcommand{\fixx}{11}
	\psline[linewidth=2pt,linecolor=\clr](\masterx,3)(\fixx,4)
	\psline[linewidth=2pt,linecolor=\clr,arrowsize=15pt]{->}(\fixx,4)(\fixx,12)
	\psline[linewidth=1pt,linecolor=\clr,linestyle=dashed](\fixx,3)(\fixx,4)
	\rput(\fixx,12.5){
		\psset{fillcolor=white}
		\psset{fillstyle=solid}
		\psset{linecolor=\clr}
		\psset{framearc=.5}
		\psframebox{\textcolor{\clr}{feature/dyn\_mon}}
	}
	\psset{fillcolor=\clr}
	\psdot[dotsize=10pt,dotstyle=o,linecolor=\clr](\fixx,4)
	\psdot[dotsize=10pt,dotstyle=o,linecolor=\clr](\fixx,6)
	\psdot[dotsize=10pt,dotstyle=o,linecolor=\clr](\fixx,8)
	\psdot[dotsize=10pt,dotstyle=o,linecolor=\clr](\fixx,10)
	% release/NAR_C0
	\renewcommand{\clr}{RedOrange}
	\renewcommand{\fixx}{5}
	\psline[linewidth=2pt,linecolor=\clr](\masterx,8)(\fixx,9)
	\psline[linewidth=2pt,linecolor=\clr](\fixx,9)(\fixx,13)
	\psline[linewidth=1pt,linecolor=\clr,linestyle=dashed](\fixx,8)(\fixx,14)
	\psline[linewidth=2pt,linecolor=\clr,linestyle=dashed,arrowsize=15pt]{->}(\fixx,13)(\masterx,14)
	\rput(\fixx,14.5){
		\psset{fillcolor=white}
		\psset{fillstyle=solid}
		\psset{linecolor=\clr}
		\psset{framearc=.5}
		\psframebox{\textcolor{\clr}{release/NAR\_C0}}
	}
	\rput(2.5,13){
		\psset{fillcolor=\clr}
		\psset{fillstyle=solid}
		\psset{linecolor=\clr}
		\psset{framearc=.5}
		\psframebox{\textcolor{white}{\shortstack{tags/release/\\174\_AG\_NA\_10-01.02}}}
	}
	\psset{fillcolor=\clr}
	\psdot[dotsize=10pt,dotstyle=o,linecolor=\clr](\fixx,9)
	\psdot[dotsize=10pt,dotstyle=o,linecolor=\clr](\fixx,11)
	\psdot[dotsize=10pt,dotstyle=o,linecolor=\clr](\fixx,13)
\end{pspicture}