{section: Todo}
 Manageable daily work-list.
 
-1:investigate security and authentication code that deals IPv4 address directly. IP verifier?
-1:investigate every source code where calls obsolete BSD socket interface.
-1:make a git branch
 1:remove every obsolete interface.
 1:find places where use 'int' as IP address storage. mark and count them.
 1:make unified address class
@@ -80,6 +77,9 @@
 {section: Done}
 
 *:investigate ipv6 address handling in C++ Boost library
+*:investigate security and authentication code that deals IPv4 address directly. IP verifier?
+*:investigate every source code where calls obsolete BSD socket interface.
+*:make a git branch
 
 {section: Note}
 *:In a server, we want to accept both IPv4 and IPv6 connections in single program(process). There are two choices with dealing IPv4 and IPv6 co-existence.
@@ -97,4 +97,6 @@
 
 *:Do you have any good arguments for having network-byte-order IP address instead of having host-byte-order IP address?
 
+*:check point server and syscall library. will they eventually replaced by DMTCP?
+
 {subsection: *** currently, this is just temporary page}