I-D ACTION:draft-ietf-tn3270e-ohio-01.txt

Internet-Drafts@ietf.org Thu, 15 April 1999 17:25 UTC

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Subject: I-D ACTION:draft-ietf-tn3270e-ohio-01.txt
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A New Internet-Draft is available from the on-line Internet-Drafts
directories.  This draft is a work item of the Telnet TN3270
Enhancements Working Group of the IETF.

	Title		: Open Host Interface Objects
	Author(s)	: T. Brawn, S. Gunn
	Filename	: draft-ietf-tn3270e-ohio-01.txt
	Pages		: 18
	Date		: 14-Apr-99
	
This draft addresses the need for a common, advanced, client
programming interface to mainframe host data.  Application
developers, in particular third party application vendors, use
API's provided by client emulator programs to write applications
that access host data.  Currently, the defacto standard HLLAPI is
the interface most commonly provided by these programs and the one
used by the third party application vendors.    However, HLLAPI is
plagued by the fact that it doesn't exploit modern programming
techniques and is fragmented by multiple, proprietary
implementations.  Client vendors have, over the last couple of years,
developed more advanced interfaces that exploit modern programming
advances.  However no effort has been put into standardizing these
interfaces and application developers have been forced to either
chose to stay with HLLAPI or perform costly re-implementation of
their products to support each competing advanced client API.

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