Those plans are constructed from two basic ingredients – the first of which is a Traffic network, the second, a Service Level Agreement.
Q1. Should we replace the comma in blue with 'and'? If not, why?
Q2. Should the comma in red exist? I feel like it shouldn't exist as it separates the subject (second) from the omitted verb (is).
Eddie88 Those plans are constructed from two basic ingredients – the first of which is a Traffic network, the second, a Service Level Agreement. The sentence itself is poor style, Eddie. It needs to be recast: Those plans are constructed from two basic ingredients— a traffic network and a service level agreement.
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Eddie88Those plans are constructed from two basic ingredients – the first of which is a Traffic network, the second, a Service Level Agreement.
The sentence itself is poor style, Eddie. It needs to be recast:
Those plans are constructed from two basic ingredients— a traffic network and a service level agreement.