Hi Chris

There maybe some trivial mistakes in the document, please confirm it.

1) in section "5.2.  MRT Island Identification"
see pseudo-code in Figure 16, the second if-statement "if (not 
intf.remote_node.IN_MRT_ISLAND))" will never meet, the BFS will stop 
abnormally.


2) in section "5.7.5.  Complete Algorithm to Compute MRT Next-Hops"
see pseudo-code in Figure 23, in function 
"SPF_No_Traverse_Block_Root(spf_root, block_root, direction)", 
the code "path_metric = min_node.spf_metric + intf.metric" and the 
following remainder code of this function need to be included in the 
if-statement "if ( ( ((direction is FORWARD) and intf.OUTGOING) or". 


3) in section "5.9.4.  Computing MRT Alternates for Proxy-Nodes"
"Similarly, if run Select_Alternates(X, F, primary_intf) and we find that 
it is safe to USE_BLUE to reach Y"
here the first parameter X would be replaced to Y.

thanks
Deccan

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