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X.25 Protocols and Operation

Course Status: Released
Course Language: English
Course Duration: 4 Hours
Deployment Options: Online, Interactive CDs, Network, Downloads, Intranet

Audience
Managerial and operational staff
Prerequisites
Some knowledge of wide area networks, as covered in the course WAN Technologies; the course Introduction to X.25 Networking is required
Course Aim
To enable the student to implement and manage a network using the X.25 interfacing protocol
Learning Objectives
Identify and interpret the fields of the X.25 packet header and explain the X.25 addressing method.
Give the sequence of X.25 packets exchanged in various situations.
Explain the sequencing, error recovery, congestion control, flow control, and rerouting mechanisms used by the X.25 protocol.
Topics Covered
The X.25 protocol
- Introduction
- General format identifier
- Logical channels
- Packet types
- Addressing
- Facilities
X.25 operation
- Sending an X.25 message
- Connection not accepted
- Message with fast select
X.25 control mechanisms
- Sequencing
- Error control and recovery
- Flow control and congestion
- Routing