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Eicon Connections for Linux User’s Guide

page 7

CHAPTER 2

Introducing Eiconcard Connections for Linux

This chapter introduces Eiconcard Connections for Linux. It provides an overview of the

Eiconcard Connections for Linux architecture and describes the communications options it

offers. It also provides a brief description of Dialogic’s hardware solution—the Eiconcard—and

its supported communications protocols.

The Eiconcard Connections for Linux Solution

Eiconcard Connections for Linux allows you to:

• Connect a Linux server to local or remote systems over OSI-compliant connections such as

X.25, and supports a wide range of OSI communications services. These services include

management of communications links to local or remote systems, Packet

Assembler/Disassembler (PAD) support (X.3, X.28, and X.29), protocol processing for X.25,

HDLC (High-level Data Link Control), Frame Relay, SDLC (Synchronous Data Link Control)

and PPP (Point-to-Point).

• Link Linux application servers, with their associated TCP/IP LANs, over a wide-area network.

Eiconcard Connections for Linux integrates with the TCP/IP stack on your server, using the

Eiconcard to route IP traffic over X.25, Frame Relay, PPP, or MultiLink PPP connections to

remote TCP/IP hosts and networks.

Eiconcard Connections for Linux performs the processing required to pass IP datagrams

over WAN protocols, allowing a Linux server to connect with remote networks.

The Eiconcard Connections for Linux solution is composed of two components:

•The Eiconcard

An intelligent communications adapter used in all of Dialogic’s WAN connectivity solutions.

• The Eiconcard Connections for Linux software

Provides the protocol software, the Eiconcard driver, and the management utilities required

to set up your connections.

The Eiconcard

Dialogic’s Eiconcard is the hardware component of the Eiconcard Connections for Linux

solution. One or more Eiconcards can be installed in a Linux server. Each Eiconcard has its

own onboard CPU and memory, allowing it to run one or more communications stacks,

including X.25, Frame-Relay, SDLC (Synchronous Data Link Control), Point-to-Point (PPP) and

MultiLink PPP. A range of Eiconcards is available for different communications needs, such as

high-speed leased line connections, dial-up connections, or ISDN.

As the Eiconcard assumes all network-level protocol processing, the host Linux server’s CPU

can focus on application processing.

For a list of supported Eiconcards, consult the Eiconcard Connections for Linux Release Notes.

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