11 lines
726 B
TeX
11 lines
726 B
TeX
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Processes export \ABbroadcast$(m)$ and $m = \ABdeliver()$. \ARB requires the following properties:
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\begin{itemize}[leftmargin=*]
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\item \textbf{Total Order}:
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\begin{equation*}
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\forall m_1,m_2,\ \forall p_i,p_j:\ \ (m_1 = \ABdeliver_i()) \prec (m_2 = \ABdeliver_i()) \Rightarrow (m_1 = \ABdeliver_j()) \prec (m_2 = \ABdeliver_j())
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\end{equation*}
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\item \textbf{Integrity}: Every message delivered was previously broadcast. $\forall p_i:\ m = \ABdeliver_i() \Rightarrow \exists p_j:\ \ABbroadcast_j(m)$.
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\item \textbf{No-duplicates}: No message is delivered more than once at any process.
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\item \textbf{Validity}: If a correct process broadcasts $m$, every correct process eventually delivers $m$.
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\end{itemize} |