Transcript Chapter 19 DL Version - Houston Community College

Network Communications
on z/OS
Stephen S. Linkin
Houston Community College
© HCCS and IBM 2009
©HCCS & IBM® 2009
Stephen Linkin
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Communications In z/OS
 Network Communication Has Software
And Hardware Aspects
 Programmers And Network Technicians
Must Work Together
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Brief History Of Data Networks
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Brief History Of Data Networks
 SNA And TCP/IP On z/OS
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Brief History Of Data Networks
 Layered Network Models
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Brief History Of Data Networks
 Network Reliability And Availability
 Factors Contributing To The Use Of SNA
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Z/OS Communications Server
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TCP/IP Overview
 Using Commands To Monitor TCP/IP
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NETSTAT
PING
TRACERTE
NSLOOKUP
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TCP/IP Overview
 Using Console Commands To Manage
TCP/IP
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DISPLAY TCPIP
VARY TCPIP
 Using VIPA’s
Availability & Load Balancing
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TCP/IP Overview
 TN3270-The Gateway To z/OS
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VTAM Overview
 Network Topologies
 Subarea Network
 APPN Network Topology
 VTAM Topologies
 Monitoring VTAM
 3270 Data Stream
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VTAM Overview
 Network Topologies Supported By
VTAM
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Subarea
Advanced Peer-to-Peer Network (APPN)
Subarea/APPN mixed
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VTAM Overview
 What Is A Subarea Network Topology?
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VTAM Overview
 What An APPN Network Topology
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VTAM Overview
 Summary Of VTAM Topologies
 Commands To Monitor VTAM
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D NET,VTAMOPTS VTAM Startup Options.
D NET,CSM[,OWNERID=ALL] Communication Storage Usage.
D NET,APPLS Status Of Defined Applications (ACBs).
D NET,MAJNODES Status Of All Major Nodes Activated By VTAM.
D NET,TOPO,LIST=SUMMARY APPN Topology Information.
D NET,CPCP Status Of APPN CP-CP Sessions.
D NET,SESSIONS Status Of Subarea SSCP-SSCP Sessions,
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LU-LU Sessions (Including CP-CP Sessions),
SSCP-LU Sessions And SSCP-PU Sessions.
D NET,CDRMS Status Of Subarea Cross Domain Resource Managers.
D NET,EXIT Displays Status Of VTAM Exit Routines.
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VTAM Overview
 Background: 3270 Data Stream
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Summary
 Read The Redbook
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