Better way to aggregate?

I've been looking into the aggregation techniques and there seems to be two ways people go about doing it. I'm trying to understand the pros/cons of the two approaches. Approach 1: Aggregate HTML Each map:part calls a pipeline, which generates, transforms and serializes to HTML, e.g.,

RE: Better way to aggregate?

PROTECTED] Subject: Better way to aggregate? I've been looking into the aggregation techniques and there seems to be two ways people go about doing it. I'm trying to understand the pros/cons of the two approaches. Approach 1: Aggregate HTML Each map:part calls a pipeline, which generates