Introduction to Networking for NonStop S-Series Servers

Application Programming With Communications
Products
Introduction to Networking for HP NonStop S-Series Servers—520670-005
3-13
NonStop Remote Server Call/Massively Parallel
(RSC/MP)
NonStop Remote Server Call/Massively Parallel (RSC/MP)
The HP NonStop RSC/MP product permits workstations to invoke NonStop TM/MP
server processes residing on NonStop servers. By processing much of the transaction
before it is sent to the server, RSC/MP can improve the performance of TS/MP
applications while maintaining the application’s ability to handle high transaction
volumes. With RSC/MP, you leverage your investment in Pathway applications by
taking advantage of powerful workstation clients.
RSC/MP offers the following features:
•
Multiplatform support. Supported platforms include HP NonStop UX, HP9000,
NCR, OS/2 (32-bit), RS6000, SCO UNIX, Solaris, Windows 3.1, Windows 95,
Windows 98, Windows NT, and Windows 2000.
•
Multitool support. Many languages, tools, and applications work with RSC/MP,
including environments that generate standard C sequences, such as Microsoft
C++ and Visual BASIC; development tools such as Blythe Omnis,
Centura SQL-Windows, and Powerbuilder from Sybase; and applications such as
POET and DDE Gateway from HP, DynaAccess from Cornerstone Software, and
CirCA User Interface from CirCA Business Systems. Many other off-the-shelf tools
are supported as well.
•
Multiprotocol support. Supported communications protocols include TCP/IP,
NetBIOS, asynchronous, X.25 over asynchronous, and IPX/SPX.
•
Independent transport handling. I/O is nowaited and nonblocking. It allows users to
send multiple requests without waiting for completion. The client can process data
while the server is busy and retrieve replies as they complete.
•
Transaction protection and database consistency. The RSC/MP client API works
with TM/MP to supply protection for any message.
•
Process persistence, reliability, and availability. NonStop servers provide HP
fundamental strengths of reliability and availability. Also, multiple copies of the
RSC/MP host component, Transaction Delivery Process (TDP), can be configured.
That way, if the host computer is busy when a request comes in, the request is
redirected to another copy of the host component.
•
Security. Access control server (ACS) is used to control workstation access to host
RSC services.