Table of Contents
WAN Technologies
Analog Remote Access
Definitions
Definitions cont.
What is T-1?
T-1 Channel Formats
Why T-1?
Analog Remote Access
T-1 Remote Access
T1 Channel Bank Remote Access
Communication Servers
Channelized T1 Access
T1 Hardware Features
T1 Hardware Features
Modem Specifications
Enterprise Remote Access Applications
Enterprise Internet Access
X.25
X.25 Standard
X.25 Key Features
X.25 and OSI Reference Model
X.25 Data Link Layer (LAPB)
X.25 Data Link Layer (LAPB)
X.25 Network Layer (PLP)
X.25 Key Features
X.25
X.25
X.25
X.25
X.25
X.25
X.25
X.25
X.25
X.25
X.25
X.25
X.25
X.25
X.25
ISDN
ISDN
ISDN
Frame Relay
Frame Relay
Frame Relay
Frame Relay
Frame Relay
Frame Relay Standards
Frame Relay Key Features
LMI Extensions
LMI Extensions
Frame Relay and OSI Reference Model
Frame Relay Data Link Layer (LAPF)
Frame Relay Congestion Control
Frame Relay Traffic Rate Management
Modern Digital Communications Networks
Frame Relay
Asynchronous Transfer Mode (ATM)
Similarities with X.25 and Frame Relay
The Cell advantage
Protocol Architecture
Physical Layer
ATM Layer
ATM Adaptation Layer (AAL)
Different Planes of the Protocol Reference Model
Virtual channel connection- the ATM logical connection
Virtual Path Connection
VPC advantages
Call Establishment Process
VP/VC Terminology
Virtual Channel defined
Virtual Channel Link defined
Virtual Channel Identifier(VCI)
Virtual Channel Connection (VCC) defined
Virtual Path defined
Virtual Path Link defined
Virtual Path Identifier (VPI)
Virtual Path Connection defined
Uses of VCCs
VCC between end users
VCC between an end user and a network entity
VCC between two network entities
VP/VC characteristics
Quality of service
Switched and Semi-permanent VCCs
Cell sequence integrity
Traffic Negotiation & Usage Monitoring
Virtual channel identifier restriction within a VPC
ATM cells
ATM cell advantages
ATM cell’s 5 octet header
Generic flow control field
Virtual path identifier
Virtual channel identifier
Payload type
Payload type (contd.)
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