Next Generation

Network

Preared By

Harit Patel (Roll No.62)

Guided By

Mr. Bhargav Shah

Outlines

Introduction

NGN architecture

IP multimedia subsystem

NGN protocols & services

Quality of service

NGN challenges

NGN future

What is NGN?

Multi-service network

Separated planes

Open interfaces

A packet mode technology

Guaranteed QoS

Supports generalized mobility

Why NGN?

Fusion of services and markets

Common network

IP in back bone

Split of different layers

Services

NGN architecture

Network partitioning with respect to IMS

IMS Functional Entities

NGN Signaling protocols

SIGTRANbetween PSTN/PLMN and IP

networks

H.248between Media Gateway and

Media Gateway Controller

SIP,SIP-T/SIP-I between two IP networks

H.323/SIP-T/SIP-I For international Connectivity

RTP/RTCPFor delivery of content

(voice/data/video etc.)

NGN Protocols

NGN Service

Figure 4.1: NGN Service Drivers [6]

Quality of Service

Latency - IPTD

Jitter - IPDV

Packet Error - IPER

Packet Loss - IPLR

Toll Quality

Call Completion Rate - TCBH

Availability of Network

NGN Challenges

Standardization

Laws in each country need to be suitably amended

Cost issues

Developing countries are not yet well versed with the

advancements

NGN Future

Low cost devices

Multi party conferencing

Education

Opens up tremendous opportunity

Conclusion

Questions?