TCP/IP impact on a S/3090 M/F

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#39

From: Pedro Ramalho Carlos
Date: Thu, 23 Jul 1992 16:02

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Hi

  Supose I want to install a TCP/IP package in a mainframe
(3090 w/ MVS, VTAM, CICS, TSO) - don't know exact model, but I can get
it if it's relevant.
  I expect to have 3500+ SNA native 3270 sessions, and
between 1000 and 2000 tn3270 (telnet) sessions which otherwise would be
native SNA 3270.

  1-Will I loose much performance by installing TCP/IP at all - even
    with no sessions (due to daemons, etc.) ?
  2-What is the relative load on the host of a tn3270 session compared
    with a native 3270 session? 
  3-And what is the relative performance from the user standpoint?
  4-Will I need to upgrade the mainframe with CPU or RAM?
  5-If I use IBM's own TCP/IP will I get the same kind of support from
    them?

-Thanks in advance,
-Any help would be GREATLY appreciated,

--pedro ramalho carlos (prc@inesc.pt)
-- 


--pedro ramalho carlos (prc@inesc.pt)

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Message-ID: <1992Jul23.160241.23996@inesc.pt>

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Newsgroups: comp.protocols.ibm
Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!inesc.inesc.pt!rabbit!prc
From: prc@rabbit (Pedro Ramalho Carlos)
Subject: TCP/IP impact on a S/3090 M/F
Message-ID: <1992Jul23.160241.23996@inesc.pt>
Summary: Query on how TCP/IP affects performance in an IBM env
Sender: usenet@inesc.pt (USENET News System)
Nntp-Posting-Host: rabbit.inesc.pt
Organization: INESC - Instituto de Engenharia de Sistemas e Computadores
Date: Thu, 23 Jul 1992 16:02:41 GMT
Lines: 26