By Alexandros Stavdas
Find out every little thing you must find out about how present networks must evolve to supply for destiny broadband services
In this e-book, the authors supply an outline of the prestige, demanding situations, architectures, and technological ideas for middle and metropolitan networks. in addition, the publication describes the present kingdom of center and metropolitan telecommunication networks, in addition to the drivers and reasons at the back of the present paradigm shift within the telecommunications undefined. furthermore, the authors problematic approach layout guidance for either point-to-point and multi-hop optical networks considering the analogue nature of the transmission channel.
- Provides assurance of all points of center and metro networks aiding destiny broadband providers, and an in depth description of the state-of-the-art
- Presents a transparent course for migrating from point-to-point to data-centric, dynamic, multi-hop optical networks
- Shows how present structures might want to evolve over the arriving years, summarizing demanding situations and matters to be investigated in destiny research
- Covers a variety of subject matters from community architectures, to manage aircraft, to key optical and optoelectronic units, and most sensible perform in transmission and procedure design
- Provides effects, top practices and directions for varied technical difficulties, together with various hands-on examples
- Written by way of authors from state-of-the-art businesses akin to Alcatel-Lucent, Siemens, Lucent, France Telecom, BT, and Telefonica
Optical middle and Metro Networks might be of curiosity to researchers in and academia, and complex (final yr undergraduate) and postgraduate scholars project communications, networking and optics classes.
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Additional resources for Core and Metro Networks
Packet technologies (in particular IP/MPLS and Ethernet) for a more efficient use of bandwidth due to the subsequent statistical multiplexing gains; that is, advanced aggregation and grooming. Control plane (currently dominated by ASON and GMPLS, which are further discussed in Chapter ) to decrease the cost of provisioning dramatically and the possibility to have onthe-fly resilience mechanisms. 1, aims at minimizing the level of bit-by-bit processing, simplifying client signal encapsulation, leading to transparent New Transport Networks Architectures 33 bit-mapping in the transport frame and providing optical bypassing for the transit traffic.
1Qay  based on Ethernet) and MPLS-TP (developed in the ITU-T and IETF, starting from MPLS). 1 Metropolitan Area Network The introduction of triple-play applications (voice, video, and high-speed Internet) has a strong impact on Metropolitan Area Network (MAN) traffic. The advances include improvements in residential access networks (whose traffic aggregates upwards to the MAN), multimedia distribution (which is using MANs in an intensive way) from points of presence point of presence (PoPs) to the home, and finally VPNs that are used for business and residential applications.
2 Network Scalability The term scalability is a feature of a network architecture designating the ability to accommodate higher traffic load without requiring large-scale redesign and/or major deployment of resources. A typical (negative) example manifesting lack of scalability is an SDH ring where additional resources and manual configurations are mandatory in order to increase the capacity between two nodes. Thus, future transport networks should be scalable in order to support existing or yet-unknown clients and traffic volumes.