A traditional fixed broadband network provides its services to a location/port. The term broadband can have different meanings in different contexts Multiple devices may connect to these services through the residential LAN and a common residential gateway. This article is about the types of network routers and modems found in many homes known colloquially as "residential gateways" However, services are typically not individualized for these devices or the users using them. A mobile broadband network, on the other hand, typically deliver services to individual devices and users, providing them access to the subscribed services wherever they are.
In a Full Service Broadband network, these two service paradigms are combined, providing users with services anywhere and from any device. Users can authenticate themselves and reach all their services from any device. A device can either connect through a mobile access or a fixed access, enabling a transparent experience, i. e. the same or very similar. Devices connected to the residential LAN are reachable also from devices on the move, enabling transparent access to e. g. stored media (figure below). All these features needs to be enabled in ways that are simple enough for the average user, available more or less plug-and-play. Plug-and-play is a computer feature that allows the addition of a new device normally a Peripheral, without requiring reconfiguration or manual installation of Device
Full Service Broadband Architecture
A network architecture is required that can enable these new capabilities in a way that is cost efficient for operators and affordable and simple enough for the users. Such architecture has the following characteristics:
- Based on Ethernet transport network, capable of co-housing multiple access networks/technologies and services. Ethernet is a family of frame -based Computer networking technologies for Local area networks (LANs
- Combining multiple access technologies, including fixed access (e. g. GPON and VDSL2) and mobile access technologies (e. A passive optical network ( PON) is a Point-to-multipoint, Fiber to the premises network architecture in which unpowered Optical splitters VDSL2 (Very High Speed Digital Subscriber Line 2 is an access technology that exploits the existing infrastructure of copper wires that were originally deployed for POTS g. 3G High Speed Packet Access (HSPA) and 3GPP Long Term Evolution). High Speed Packet Access (HSPA is a collection of Mobile telephony protocols that extend and improve the performance of existing UMTS protocols LTE (Long Term Evolution is the next major step in mobile radio communications and will be introduced in 3rd Generation Partnership Project ( 3GPP) Release 8
- Provides capabilities to manage the heterogeneity between access technologies, e. g. for device/user authentication and multi-access mobility.
- A consistent UNI towards devices, facilitating interoperability and economies-of-scale for device manufacturers. User Network Interface (UNI is a demarcation point between the responsibility of the service provider and the responsibility of the subscriber
- Access-independent service enablers for e. g. end-to-end user reachability (tying a user to a device) and capability negotiation. The IP Multimedia Subsystem is the key component for this. The IP Multimedia Subsystem ( IMS) is an architectural framework for delivering Internet protocol (IP Multimedia to mobile users
- LAN technologies such as DLNA/UPNP are extended to remote operation, yet with minimal need for technical know-how, e. The Digital Living Network Alliance is an international cross-industry collaboration of consumer electronics computing industry and mobile device companies Universal Plug and Play ( UPnP) is a set of Computer network protocols promulgated by the UPnP Forum. g. dynamic DNS. The Domain Name System (DNS is a hierarchical naming system for computers services or any resource participating in the Internet.
To reach the desired economies-of-scale and interoperability, such an architecture must be based on open protocols. IETF protocols such as Mobile IP, Session Initiation Protocol (SIP) and RADIUS/Diameter are essential components along with e. The Session Initiation Protocol ( SIP) is a signalling protocol widely used for setting up and tearing down Multimedia Communication sessions Remote Authentication Dial In User Service ( RADIUS) is a networking protocol that provides centralized access authorization and accounting management for people or computers Diameter is a computer networking protocol for AAA (Authentication Authorization and Accounting g. IMS, TISPAN RACS and 3GPP System Architecture Evolution (SAE). The IP Multimedia Subsystem ( IMS) is an architectural framework for delivering Internet protocol (IP Multimedia to mobile users The Telecoms & Internet converged Services & Protocols for Advanced Networks ( TISPAN) is a Standardization body of ETSI, specializing in fixed networks The 3rd Generation Partnership Project ( 3GPP) is a collaboration between groups of telecommunications associations to make a globally applicable third generation ( 3G System Architecture Evolution (aka SAE) is the core network architecture of 3GPP 's future LTE wireless communication standard
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