This book guides readers through the basics of rapidly emerging networks to more advanced concepts and future expectations of Telecommunications Networks. It identifies and examines the most pressing research issues in Telecommunications and it contains chapters written by leading researchers, academics and industry professionals. Telecommunications Networks - Current Status and Future Trends covers surveys of recent publications that investigate key areas of interest such as: IMS, eTOM, 3G/4G, optimization problems, modeling, simulation, quality of service, etc.
Regulation of the telecommunications industry has traditionally focused
on the supply side of the industry, chiefl y the retail segment of the market.
Since liberalization of the industry has begun, regulation has gradually
shifted to the wholesale segment of the market. The regulatory agencies
have intervened to regulate access and facilitate entry and, hopefully,
investment in infrastructure. This asymmetric regulation has had mixed
This is a survey paper on Quality-of-Service(QoS) based routing. In this paper, we first introduce the
concept of Quality-of-Service and its background. Second, we discuss the concepts of QoS-based
routing, its objectives and main issues. After that, several types of QoS based routing algorithms are
compared, and the advantages and disadvantages of each type discussed. Then, the relations between
QoS based routing and some relevant techniques are studied, including traffic engineering, high level
admission control, resource reservation protocols(e.g.
Network loads and management issues require you to segment your network from a single
broadcast domain into four functional areas. You select to implement VLANs throughout your
Cisco 2900-switched network and will refer to them as “Accounting”, “Marketing” and
“Engineering” for the users, and “default” used for the native VLAN network management. After
deciding on your subnet ranges and VTP information, illustrated below, your next step is to
implement Inter-VLAN routing using your Cisco 2600 series router.
Traffic Engineering for Multi-service IP Networks
Trafﬁc engineering is a set of techniques and tools that can be used to optimize the performance of an operational IP network. An overarching concept, trafﬁc engineering, broadly interpreted, includes other topics discussed in this chapter: routing control mechanisms such as MPLS, and an advanced conﬁguration in the form of policy-based management. These techniques can also be used without deploying the complete trafﬁc engineering framework, but their optimal use beneﬁts from it....
Your network switching equipment currently includes a 4006 switch segmented into four
functional areas for better network management and traffic control. VLANs implemented
throughout your Cisco switched network include “Accounting”, “Marketing” and “Engineering” for
the users and “default” used for the native VLAN for network management. Inter-VLAN routing
has been implemented on the 4006 to allow individuals and servers on your Virtual LANs to