High Speed Networks – Syllabus and Important Questions

High Speed Networks – Syllabus

UNIT I – HIGH SPEED NETWORKS:
Frame Relay Networks – Asynchronous transfer mode – ATM Protocol Architecture, ATM logical Connection, ATM Cell – ATM Service Categories – AAL. High Speed LANs: Fast Ethernet, Gigabit Ethernet, Fiber Channel – Wireless LANs: applications, requirements – Architecture of 802.11

UNIT II – CONGESTION AND TRAFFIC MANAGEMENT:
Queuing Analysis- Queuing Models – Single Server Queues – Effects of Congestion – Congestion Control – Traffic Management – Congestion Control in Packet Switching Networks – Frame Relay Congestion Control.

UNIT III – TCP AND ATM CONGESTION CONTROL:
TCP Flow control – TCP Congestion Control – Retransmission – Timer Management – Exponential RTO back off – KARN’s Algorithm – Window Management – Performance of TCP over ATM. Traffic and Congestion control in ATM – Requirements – Attributes – Traffic Management Framework, Traffic Control – ABR traffic Management – ABR rate Control, RM cell formats, ABR Capacity allocations – GFR traffic management.

UNIT IV – INTEGRATED AND DIFFERENTIATED SERVICES:
Integrated Services Architecture – Approach, Components, Services- Queuing Discipline, FQ, PS, BRFQ, GPS, WFQ – Random Early Detection, Differentiated Services

UNIT V – PROTOCOLS FOR QOS SUPPORT:
RSVP – Goals & Characteristics, Data Flow, RSVP operations, Protocol Mechanisms – Multiprotocol Label Switching – Operations, Label Stacking, and Protocol details – RTP – Protocol Architecture, Data Transfer Protocol, RTCP.


High Speed Networks – Important Questions

  • 2 Marks
  • Unit I – Fiber Channel (140), WLAN (144)
  • Unit II – Queing Models (189), Frame Relay Congestion Control (264), Packet Switching Networks Congestion Control (264)
  • Unit III – TCP Implementation Policy (320), TCP Congestion Control (322), Karn’s Algorithm (330)
  • Unit IV – RED (485), ISA (470)
  • Unit V – RSPV, RTP.
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