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+Network Working Group                             M. A. Padlipsky
+Request for Comments #411                             MIT-MULTICS
+NIC 124D3                                       November 14, 1972
+
+                 NEW MULTICS NETWORK SOFTWARE FEATURES
+
+Two recently-installed features of the Multics  Network  software
+might be of general interest to the Network community, and should
+be of particular interest to those who use Multics via TIP's:
+
+Case Mapping
+---- -------
+
+In  order  to allow Network users at upper-case-only terminals on
+systems which do not  furnish  case-mapping  to  access  Multics,
+typing   "MAP"   (upper-case,   followed   by   Telnet  New-line)
+immediately after receipt of the Multics  load  message  actuates
+Multics software which applies the following typing conventions:
+
+1) as most Multics  input  is  lower-case,  alphabetic  input  is
+    mapped  to  lower-case,  except  for  any  letter immediately
+    preceded by "
+2) back (left) arrow  is  treated  as  underscore,  up  arrow  as
+    circumflex, apostrophe as acute (right) accent
+3) escape sequences exist for the following:
+    backspace = -
+    grave (left) accent = '
+    left brace =
+    vertical line =
+    right brace = )
+    tilde = =
+4) the sequence "\" is treated as  "
+    octal  escape, it is only necessary to type     a "
+    them
+
+The case-mapping software is also actuated if "HELP" (upper-case)
+is  typed  prior  to  login  in  response  to the system's "login
+incorrect" message, in which case the normal  information  (which
+would  appear  in response to lower-case "help" as well) on login
+format will be printed out.  (Note: the escape sequences are  the
+same  as  existing Multics   conventions for direct-dialled Model
+33/35 TTY's.  On these particular devices, "
+indicated on the key-caps: it is input as SHIFT-L.)
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+                                                                [Page 1]
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+Allocate Handling
+-------- --------
+
+Output  to  systems  which give small allocations has long been a
+problem, both to the remote user (who experienced frequent pauses
+in the output at  his  terminal)  and  to  the  Multics  "Network
+Daemon"  process  (which  encountered  considerable  inefficiency
+because of being frequently awakened to process the  ALL  control
+messages).   To alleviate this, we have introduced interrupt-time
+code which processes the ALL's and  outputs  the  next  group  of
+bytes  without  causing  the Network Daemon to take a wakeup.  As
+attendees of the ICCC will have already observed, response is far
+superior under the new scheme.  (System  Programmers  responsible
+for  NCP's  might  be  interested  to  know  that some 75% of our
+control-message processing deals with ALL's.)
+
+
+    [ This RFC was put into machine readable form for entry ]
+    [ into the online RFC archives by BBN Corp. under the   ]
+    [ direction of Alex McKenzie.                      1/97 ]
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+                                                                [Page 2]
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