+----+      f1                +-------> +-----+ ----> +-----+
      |Edge|-----------+            |+--------|  3  |-------|  8  |
      |Node|---------+ |            ||+-----> +-----+ ----> +-----+
      +----+         | |       4/95%|||              6/50%     |
                     | |            |||                   5/60%|
                     | v            |||                        |
      +----+       +-----+ -----> +-----+      +-----+      +-----+
      |Edge|-------|  1  |--------|  2  |------|  4  |------|  7  |
      |Node|-----> +-----+ -----> +-----+7/60% +-----+5/45% +-----+
      +----+  f2      |     3/50%                              |
                      |                                        |
                      |   3/60%   +-----+ 5/55%+-----+   3/75% |
                      +-----------|  5  |------|  6  |---------+
                                  +-----+      +-----+
                (a) Dijkstra's Algorithm (OSPF/IS-IS)
                 
      
      +----+      f1                          +-----+ ----> +-----+
      |Edge|-----------+             +--------|  3  |-------|  8  |
      |Node|---------+ |             |        +-----+ ----> +-----+
      +----+         | |       4/95% |               6/50%    ^|^
                     | |             |                   5/60%|||
                     | v             |                        |||
      +----+       +-----+ -----> +-----+ ---> +-----+ ---> +-----+
      |Edge|-------|  1  |--------|  2  |------|  4  |------|  7  |
      |Node|-----> +-----+        +-----+7/60% +-----+5/45% +-----+
      +----+  f2     ||     3/50%                              |^
                     ||                                        ||
                     ||   3/60%   +-----+5/55% +-----+   3/75% ||
                     |+-----------|  5  |------|  6  |---------+|
                     +----------> +-----+ ---> +-----+ ---------+
                   (b) CCDR Algorithm