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IP Telephony Access: IP Telephony Access, Transport, And Gateway Fundamentals
White Papers The media gateway essentially converts the PSTN Time Division Multiplexing (TDM) format over dedicated channels into IP-based packets over shared transport. In an IP telephony network, it is critical that the IP networks interconnect with the PSTN.
[April 28, 2004, 22:57]
Special Issue: Radio Link And Transport Protocol Engineering For Future-Generation Wireless Mobile Data Networks
White Papers The emergence of wireless packet data applications (e.g.wireless web access, interactive and real-time mobile multimedia applications, wireless interactive gaming, and client/server applications) is the key driver for the evolution of future...
[August 17, 2007, 10:22]
Can Small Businesses Rely On VoIP?
News They use their own IP networks to transport calls within their campuses. By contrast, big companies deploying VoIP technology from suppliers, such as Cisco and Avaya, don't use the public internet to transport their voice traffic.
[August 24, 2007, 9:40]
Cisco ONS 15302 And ONS 15305 Ethernet Over SDH Connection Services
White Papers The Cisco ONS 15302 and Cisco ONS 15305 multiservice customer access platforms enable transport of Ethernet and time-division multiplexing (TDM) traffic over optical networks. Together with the Cisco ONS 15454 platform, the Cisco ONS 15302 and...
[August 25, 2004, 10:33]
Multi-Layer Network Design With Multicast Traffic And Statistical Multiplexing
White Papers The new packet services and applications are radically changing not only traffic demands but also the architecture of transport networks. Adding packet layer support into backbone nodes is considered an important opportunity by telecom carriers...
[January 12, 2008, 0:01]
Understanding General Packet Radio Service (GPRS)
White Papers This technology increases the data rates of existing GSM networks, allowing transport of packet-based data. In response to customer demand for wireless Internet access and as a stepping-stone to 3G networks - many GSM operators are rolling out...
[July 12, 2007, 2:10]
SURPASS Carrier Ethernet: Converging An "All IP" Mobile Transport On Carrier Ethernet Networks
White Papers Fixed-line operators are increasingly seeking ways of converging mobile services via their transport networks. This paper first describes the challenges characterizing the evolution of mobile access networks.
[July 4, 2008, 1:00]
Secured Mobile Multimedia Communication For Wireless Internet
White Papers At the same time security of signaling and transport media should not be compromised. Wireless Internet roaming may include several radio access networks involving different layer 2 technologies such as 802.11b, CDMA and GPRS.
[January 20, 2006, 0:01]
Converged Packet Access
White Papers The Converged Packet Access (CPA) strategy breaks the traditional tie between Layer 2 protocols and Layer 1 transport circuits and leverages the economics of the Ethernet while providing the Quality of Services (QoS) and Service Level Agreements...
[October 4, 2008, 1:21]
Performance Evaluation Of UMTS For Mobile Internet Access
White Papers These Internet applications rely on two common protocols, namely, Transmission Control Protocol and the Internet Protocol (TCP/IP), to reliably transport data across heterogeneous networks. UMTS constitutes the third generation of cellular wireless...
[January 15, 2008, 0:54]
Proactive IP Mobility Management For Context-Aware All-IP Wireless Access Networks
White Papers This paper assesses experimentally how transport protocols such as TCP and subsequently applications can under-perform as the MN performs an IP handoff between two heterogeneous wireless networks, namely WLAN and GPRS.
[November 21, 2005, 23:00]
Commercial Connectivity Services (CCS) White Paper
White Papers GPRS Data Transport Service enables application access over Cingular's GPRS network and supports Multiple Push/Pull Models. Cingular Wireless Commercial Connectivity Services (CCS) for performance-driven, secure network connectivity and data...
[March 28, 2005, 3:00]
WiMAX: Demystifying 802.16d And 801.16e
White Papers It is the most progressive, full-featured wireless standard available today, incorporating the latest radio, antenna and transport technologies that help yield the best business case for service providers.
[October 19, 2007, 1:00]
Data Technologies In 3G Access Networks: Meeting The Demand For New Mobile Services
White Papers By sharing resources between multiple access networks (2G, 2.5G, 3G), over a single transport infrastructure, both CAPital EXpenditure (CAPEX) and OPerating EXpense (OPEX) are reduced. Data is being driven into all aspects of mobile networks.
[July 28, 2008, 11:26]
Ethernet As Transport Technology Of Choice In Campus Ring Environments
White Papers Ethernet is rapidly becoming the transport technology of choice in access and metro networks because a worldwide deployment in LANs together with standardization has driven the price down considerably.
[July 4, 2008, 1:00]
Nortel Optical Photonic Solutions: The Adaptive, All-Optical Intelligent Network
White Papers In the process, core networks will need a significant overhauling to reliably transport this amount of information on demand. In addition, with the availability of increased computing power, personal video recorders, home theater and entertainment...
[January 9, 2008, 0:01]
Lucent Accelerate VoIP Solutions - Driving VoIP Standards
White Papers Accelerate VoIP solutions use a robust portfolio of products at all levels of the network: applications, call control, and transport/access. The Lucent Accelerate Voice over Internet Protocol (VoIP) solutions offer a focused approach to value by...
[June 23, 2004, 20:00]
A Lightweight Identity Authentication Protocol For Wireless Networks
White Papers Ever since it introduced new factors such as mobility, the temptation for unauthorized access and eavesdropping has been a reality because an attacker could easily access the transport medium. This paper presents a TLS-based protocol named Light...
[May 27, 2005, 3:00]
Building Trusted VPNs With Multi-VRF
White Papers Driving this need has been the requirement for secure transport of sensitive information, controlling information access to those who need it, etc. Virtual Private Networks (VPNs) have been a key application in networking for a long time.
[July 18, 2008, 1:01]
Multimedia Satellite Networks And TCP/IP Traffic Transport
White Papers Several performance issues need to be addressed before a transport layer protocol, like TCP can satisfactorily work over satellite ATM for large delay-bandwidth networks. The new services gaining momentum include mobile services, private intranets...
[February 5, 2007, 6:01]
