JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives:

• To provide a solid foundation about ISDN & B-ISDN network concepts
• To provide knowledge to the students about ATM design goals and layering
• To inculcate students regarding SONET, SDH and their network configurations
• To provide a detailed description of ATM switching, transmission, traffic and congestion control
• To provide knowledge regarding network management in ATM,VOIP and WLL.

Course Outcomes:

• Students will be able to understand different ISDN & B-ISDN concepts
• Students will exhibit knowledge about ATM design goals and layering
• Students will be able to analyze traffic and congestion control, ATM switching and transmission
• Students will demonstrate knowledge about interworking of ATM with existing networks
• Students will exhibit knowledge about network management in ATM,VOIP and WLL

UNIT - I

BISDN Architecture: B-ISDN standards, Broadband Services, Conversational services, Messaging services, Retrieval services, Distribution services, Business and residential services, Requirements, Architecture, Functional architecture, UNI, Transmission structure. BISDN Network Concept: Networking techniques, Signaling principles, General aspects, Capabilities for BISDN signaling, Signaling virtual channels, Broadband network performance, Traffic management aspects, Operation and maintenance, customer network aspects.

UNIT - II

BISDN User Network Interface & Protocols: B-ISDN protocol reference model, Layered architecture, Relationship between B-ISDN PRM and OSI reference model, B-ISDN PRM description, layer functions, Relationship between OAM functions and B-ISDN PRM, General aspects of UNI, Physical layer of UNI at 155/622 mph, Additional UNIs. ATM Layer: Cell Structure, cell header, ATM layer connections, ATM adaptation layer, AAL layers, AAL type 0, AAL type 1, AAL type 2, AAL type ¾, AAL type 5.

R16 B.TECH ETE

UNIT - III

ATM Switching: Switching elements – Matrix type switching elements , Central memory switching element, Bus type switching element, Ring type switching element, Performance aspects, Technological aspects. Switching Networks – Single stage Networks, Multistage networks, Cell header processing in switch fabrics, Multicast functionality, Switches and cross connects- Generic system structure, System building blocks.

UNIT - IV

Network Management: What is network management, the bigger picture, Traditional breakout by tasks, Survivability-where network management really pays, System depth-A network management problem, Network management from a PSTN perspective, Network management systems in enterprise networks, Telecommunication management network, Network management in ATM.

UNIT - V

Voice - Over IP: Data Transmission versus Conventional Telephony, Drawbacks and Challenges for Transmitting Voice on Data Packets, VoIP, Introductory Technical Description, VoIP Gateway, An IP Packet as Used for VoIP, The Delay Trade-off, Lost Packet Rate, Echo and Echo Control, Media Gateway Controller and its Protocols, Overview of the ITU-T Rec. H.323 Standard, Session Initiation Protocol (SIP), Media Gateway Control Protocol (MGCP), Megaco or ITU. Last-Mile Broadband Connectivity and Wireless Local Loop (WLL): Background and chapter objective, Conventional wire pair in the last mile, Wire pair in equipped with DSL modems, Digital loop carrier, Broadband microwave/millimeter wave last-mile transmission, CATV as a basic transport medium for the last mile.

TEXT BOOKS:

• 1. ATM Networks, Concepts, Protocols and Applications - Rainer Handel, Manfred N Huber, Stefan Schroder, Addison - Wesley,3rd Edition, 1999.
• 2. ISDN and broad band ISDN with frame relay and ATM -William Stallings Fourth Edition. Prentice Hall, Pearson Education Asia, 2002.

REFERENCES:

• 1. Telecommunication System Engineering-Roger L.Freeman, 4th Edition, 2004.
• 2. ATM Networks - Othmar Kyas, Thomson Computer Press, 2nd Edition 1998.
• 3. Introduction to data communications and networking - Behrouz Forouzan TMH, 2nd Edition 2002. R16 B.TECH ETE