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Conference azur::mcc

Title:	DECmcc user notes file. Does not replace IPMT.
Notice:	Use IPMT for problems. Newsletter location in note 6187
Moderator:	TAEC::BEROUD

Created:	Mon Aug 21 1989
Last Modified:	Wed Jun 04 1997
Last Successful Update:	Fri Jun 06 1997
Number of topics:	6497
Total number of notes:	27359

1521.0. "Using APL for MCC modules?" by TRCOA::BROWN (RPC - Really Practical Computing) Wed Sep 18 1991 15:54

  Not knowing enough about MCC AMs, PMs, etc I could not even begin to
  answer my customers question as to whether or not they could take a large
  number of network management tools writen in SHARP APL, convert them to
  VAX APL (separate issue) and transform them into MCC modules.
  
  Any thoughts as to the viability of this?  Are there restrictions on
  implementation langauges?  or is his network more of an issue?  (350
  nodes managing 3500 X.25 circuits worldwide.)  This is a subnet of one of
  Digital's worldwide Named Account's (Reuters) total networking needs. 
  
thanks for any ideas,
  -ian

T.R Title User Personal
Name Date Lines

1521.1 MARVIN::COBB Graham R. Cobb (Wide Area Comms.), REO2-G/H9, 830-3917 Mon Sep 23 1991 08:29 24

T.R	Title	User	Personal Name	Date	Lines
1521.1		MARVIN::COBB	Graham R. Cobb (Wide Area Comms.), REO2-G/H9, 830-3917	`Mon Sep 23 1991 08:29`	24
	Caveat: I have never used VAX APL or MCC in a product and am not associated with either development team. However, I have played with both (separately)! VAX APL supports calling out to functions written in other languages. In principle this could include MCC (e.g. "callable MCC"). However, the interface to MCC routines is more arcane than anything I have seen elsewhere so it might prove very difficult. VAX APL does not (I believe) support calling into APL from programs written in other languauges. I suspect this prevents APL being used to write a real FM (or PM or AM). So, it depends what they want to do. If they just want MCC to provide the underlying communicatin with the managed object then it might be doable (using callable MCC possibly with an interface routine written in C or BLISS to simplify the interface from APL). However, if they want all their current applications to run from within MCC (so you can get at things from the iconic map, for example) then I don't think it will be possible. You might want to ask in the APL conference (TURRIS::APL, if I remember correctly). Graham

Caveat: I  have never used VAX APL or MCC in a product and am not associated
with   either   development   team.    However,  I  have  played  with  both
(separately)!

VAX APL  supports  calling  out to functions written in other languages.  In
principle  this  could  include  MCC  (e.g.   "callable MCC").  However, the
interface to MCC routines is more arcane than anything I have seen elsewhere
so it might prove very difficult.

VAX APL  does not (I believe) support calling into APL from programs written
in other languauges.  I suspect this prevents APL being used to write a real
FM (or PM or AM).

So, it  depends  what they want to do.  If they just want MCC to provide the
underlying  communicatin  with  the  managed  object then it might be doable
(using callable MCC possibly with an interface routine written in C or BLISS
to  simplify  the  interface  from  APL).   However,  if they want all their
current  applications  to run from within MCC (so you can get at things from
the iconic map, for example) then I don't think it will be possible.

You might  want  to  ask  in  the APL conference (TURRIS::APL, if I remember
correctly).

Graham