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Wrestling with the Move from
Twinax to TCP/IP?
Still Trying to Support a Multi-Protocol Network?
The iSeries World is Going IP... Are You?!

If you currently are using legacy Display Stations and Printers connected to the iSeries or AS/400s in your organization, you are probably considering a move away from SNA and SDLC communications to a pure TCP/IP connectivity infrastructure.

There are many good reasons to evaluate this move:

bullet

Enhance performance throughout your network

bulletAdd functionality to existing applications
bulletEliminate problematic multi-protocol network support

Is there a downside? Well, if you have Twinax devices connected to your iSeries and are thinking of moving to a LAN environment, you have a lot to think about. For example, will your trusty Twinax IPDS printers continue to perform? Will your data entry personnel continue to be productive? Will your network be as reliable? Can you justify the potentially high cost of re-wiring an entire facility?

Following is a discussion of four different options available to you. Click the links to learn the pros and cons of each option, and to discover which solution is right for your organization:

 

Option 1: Replace Twinax equipment with PCs and LAN based printers

Pros

Cons

Share printers with LAN users and PC applications

Possible complex networking issues

More expensive to manage, cost of PC management very high

Disruption / lost production

Access to multiple applications

Cost of replacement

Improved performance for WAN users

Retraining of personnel

Solution 1: Better On-Line Solutions offers two TCP/IP-based software solutions that meet the host access and TN5250e display/printing emulation requirements of this option: 

bullet

Jadvantage (browser-based, no client install, great for remote access)

bullet

BOSâNOVA TCP/IP (LAN-based, small footprint, feature-rich)

 Back to Contents

Option 2: Replace the dumb Twinax terminals with Ethernet terminals and use a twinax to Ethernet Protocol Converter for Twinax printer(s)

Pros

Cons

Less expensive than option 1

No additional applications supported

Remote management keeps cost of ownership lower

Cost of replacement

No retraining required

Disruption / lost production

Keep investment in Twinax Printers

Improved performance for WAN users

Solution 2: Better On-Line Solutions offers Ethernet text-based terminals – supporting AS/400 style 122-key keyboards and an upgrade path to BOSâNOVA thin clients – and an e-TwinPrint (Reverse Protocol Converter), to support a smooth transition from Twinax: 

bullet

BOSâNOVA TBT-350 (high performance Ethernet text-based terminals)

bullet

e-TwinPrint or low-end e-Twinax Controller (to maintain workhorse Twinax printers)

Back to Contents

Option 3: Replace Twinax terminals with Thin Clients

Pros

Cons

Access to server based applications

Cost of replacement

Low cost of ownership (software maintained only on server)

Disruption / loss of production

Embedded Terminal emulation for server independence

Cost of Fat Server

122-key keyboard option comforts users

Cost of Server access

Lower power requirements than PC

Better MTBF than PC, no moving parts

Lower security risks (control download of data to diskette)

Better virus protection (control upload of unwanted programs)

Improved performance for WAN users

Solution 3: Better On-Line Solutions offers two different thin client models, both include an embedded browser, TN5250e/TN3270e emulation, and an RDP client for Windows Terminal Server and an ICA client for Citrix Metaframe:

bullet

BOSâNOVA LTC-400 and BOSâNOVA LTC-1000

 Back to Contents

Option 4: Preserve Twinax devices and integrate them into your IP network with a pure IP controller.

Pros

Cons

Maintain existing Terminals and Printers

No access to windows based applications

Little or no disruption / loss of production

Older technology (Twinax is not sexy)

Lower replacement cost in most cases

Improved performance for WAN users

Only one IP address required

No retraining required

Text based email available

Smoother implementation of disaster recovery (Dial back up, Hot spare, IP Rollover)

Ease of management (http:// access to controller)

Solution 4: Better On-Line Solutions offers the only true TCP/IP controller in the industry, allowing enterprises to leverage existing Twinax equipment while ensuring bandwidth efficiency, optimum network performance, and built-in disaster recovery tools.

bullet

e-Twinax (the only true TCP/IP remote controller)

 

For more information about these solutions or to discuss the specific needs of your enterprise, please contact us at:

(800) 597-2525 (toll free) ♦ (908) 688-8100 International

info@twindata.com

 

  

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