Visara FEP-4600 Planning Guide - Manual (Page 101)

37x5 to FEP-4600 Migration and Planning Guide
707117-003 9-1
Chapter 9. Replacing Both Ends of SNI Link
When replacing both ends of an SNI link, the FEP-4600 greatly simplifies the network
structure, by appearing as a simple CTC connection on each end. Communication
between sites can make use of a variety of options including secure IP for the SNA
transport. The role of the Gateway VTAMs (GWSSCP) on either side of the FEP-4600s
changes so that there is no reference to the foreign network on the opposite side.
Any type of interconnection between the two FEP-4600s can be made (Token Ring,
Ethernet, SDLC, routed DLSw, or SNI over IP). Of these the simplest is the SNI over IP
option. This connection allows the SNI traffic to be routed over any IP network and
makes use of the Ethernet interface. SNI traffic over IP can be SSL encrypted for security
and directed through a single TCP port (configuration selectable). Note that if both
networks are owned by the same organization (for example VTAM to TPF connection),
you also have the FEP-4600 clustering feature as an option to interconnect the platforms.
PROD1
VTAM
SA01
PROD2
VTAM
SA02
PROD3
Gateway
VTAM
SA03
GWNCP4
Gateway
NCP
Before
CPU 3745
CTC NETID=NET1
3745 CPU
GWNCP14
Gateway
NCP ACME1
Gateway
VTAM
SA10
Null Network
CTC
NETID=NULL
NETID=NET2
NET1
SA04 NULL
SA98 NULL
SA99 NET2
SA14
PROD1
VTAM
SA01
PROD2
VTAM
SA02
PROD3
VTAM
SA03
After
CPU FEP-4600
CTC CTC
CPU
ACME1
VTAM
SA10
CTC (TG7)
FEP-4600
CTC (TG12)
Any Mutual
Network
Media
FEP5
SA05
FEP12
SA12
NETID=NET1
NETID=NET2