18 Nov
2019
18 Nov
'19
10:02 a.m.
On 11/18/19 9:52 AM, Grant Taylor via cctalk wrote:
Do you know what protocol name would be used to
describe the communications between the mainframe OS and what it thinks
are locally attached terminals?
http://bitsavers.org/pdf/ibm/3270/GA23-0059-4_3270_Data_Stream_Programmers_…
you'll find lots of information about this side of things going back to the dark ages
http://bitsavers.org/pdf/ibm/3270/ZR20-4264-0_IBM_3270_Operation_and_Design…
getting away from applications programmers dealing with data streams is one of the reasons
systems
like CICS were created
the protocol between the 3274/3174 and the terminals is different and varies between the
different models of attached
terminal. it isn't even EBCDIC