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What is Network Providers

Chapter 15
Handbook of Research on Redesigning the Future of Internet Architectures
Network Providers are the infrastructure providers that own the physical network resources and provide transport network resources to their customers. Service Providers can be the customers of Network Providers or can be the Network Providers themselves. A Network Provider owns and administers one or many transport domain(s) (typically Autonomous System (AS)) composed of IP switching and transmission resources (e.g., routing, switching, forwarding, etc.). Network Providers are responsible for ensuring connectivity services (e.g., offering global or restricted reachability). Connectivity services offered to Customers are captured in contracts from which are derived the technology-specific clauses and policies to be enforced by the components involved in the connectivity service delivery. Offered connectivity services are not restricted to IP.
Published in Chapter:
Abstraction and Control of Transport Networks
Young Lee (Huawei Technologies, USA) and Daniele Ceccarelli (Ericsson, Italy)
Copyright: © 2015 |Pages: 18
DOI: 10.4018/978-1-4666-8371-6.ch015
Abstract
Virtual network operation refers to the creation of a virtualized environment allowing operators to view the abstraction of the underlying multi-admin, multi-vendor, multi-technology networks and to operate, control and manage these multiple networks as a single virtualized network. Another dimension of virtual network operation is associated with the use of the common core transport network resources by multi-tenant service networks as a way of providing a virtualized infrastructure to flexibly offer new services and applications. The work effort investigating this problem space is known as Abstraction and Control of Transport Networks (ACTN). This chapter provides an ACTN problem description, identifies the scope of this effort, and outlines the core requirements to facilitate virtual network operation.
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