Author Archives: zephyrpassport
Reducing Costs By Migrating from SNA to IP
Organizations can realize huge savings by migrating SNA applications to IP using TN3270 and TN5250, eliminating the need for older, cost intensive SNA communication hardware and software. IBM’s Systems Network Architecture (SNA) is a protocol stack that IBM developed to … Continue reading
A Beginner’s Guide to TN5250 Emulation
TN5250 emulation uses the telnet protocol to create a TCP/IP connection to a remote host. Initially, IBM 5250 terminals were sold with IBM’s System/34 minicomputer system. Today, TN5250, or telnet 5250, is typically used to access an IBM AS400 or … Continue reading
Using SFTP to Transfer Files Securely
SFTP is a protocol for transferring files using SSH to secure the commands and data that are being transferred between the client and the server. When using FTP, the data that is being transferred is not encrypted, exposing this data … Continue reading
Saving Money and Reducing Risk with Legacy System Integration
For many organizations, the initial decision to employ the use of a mainframe or AS/400 centered around the system’s unprecedented stability. The term (RAS) was coined by IBM, and refers to the reliability, availability and serviceability of a system. According … Continue reading
A Beginner’s Guide to VT220 Emulation
VT220 Emulation uses the telnet protocol to create a TCP/IP connection to a remote host typically running the Unix, AIX, IBM i or Linux operating system. Originally, video terminals were used to communicate with these systems. The most established manufacturer … Continue reading
Guide to IBM pSeries Emulation
The IBM pSeries line of servers, also known as IBM System p, was originally named RS/6000. These servers run the AIX, IBM i or Linux operating systems. The IBM pSeries line of servers has now been replaced by IBM PowerT … Continue reading
Guide to IBM pSeries Emulation
The IBM pSeries line of servers, also known as IBM System p, was originally named RS/6000. These servers run the AIX, IBM i or Linux operating systems. The IBM pSeries line of servers has now been replaced by IBM PowerT … Continue reading
Dumb Terminals – Where Are They Now?
In the early days of computing, mainframe users accessed their systems using a dumb terminal. Dumb terminals are input/output devices with no processing capability and only enough memory to decipher particular control codes. Dumb terminals were most commonly found in … Continue reading
Dumb Terminals – Where Are They Now?
In the early days of computing, mainframe users accessed their systems using a dumb terminal. Dumb terminals are input/output devices with no processing capability and only enough memory to decipher particular control codes. Dumb terminals were most commonly found in … Continue reading
Evolution of the AS400 and iSeries
In 1988, IBM introduced the AS400(R) as a server solution for midsize businesses and departments within larger enterprises. Over time, IBM realized that in order to fulfill their vision of replacing PC and Unix servers throughout organizations worldwide, the AS400 … Continue reading