[sr-dev] about matrix module

[Juha Heinanen]

Henning Westerholt writes:

> In other areas we also have overlapping functionalies with different 
> datastructures, like in RURI prefix rewriting: dispatcher (linked list), lcr 
> (hash table), cr (trie), mtree (tree?) and also drouting (trie), which was 
> added not that long ago.

sure there are overlaps, but before matrix module, there was no other
module that was functionally a pure subset of an existing module and
that was worse in performance.

-- juha