The Transmission Control Protocol (TCP) is a protocol that is widely deployed in most IP networks. It is the main protocol on the transport layer on the Internet. Also, it is a stateful protocol. Optical switching, on the other hand, is a technique that will be employed more and more in the future. This technique provides the moving of ongoing TCP flows from the IP level to established lightpat...

Voice over IP (VoIP) is a technology to transport media over IP networks such as the Internet. VoIP has the capability of connecting people over packet switched networks instead of traditional circuit switched networks. Recently, the InterAsterisk Exchange Protocol (IAX) has emerged as a new VoIP which is gaining popularity among VoIP products. IAX is known for its simplicity, NAT-friendliness,...

In this paper, we consider three options for using WDM (Wavelength Division Multiplexing) technology to carry IP traffic. First, WDM multiplexers/demultiplexers (transmission technology) can be used on direct physical links between IP routers to increase the transmission bandwidth of fibers. Second, WDM networking technology (with reconfigurable add/drop multiplexers, crossconnects, and tunable...

Internet Protocol (IP) and Asynchronous Transfer Mode (ATM) are two switching technologies that are being used (or proposed) for large-scale integrated services networks. Integrated services networks are designed to support real time services, such as telephony as well as data services. Both technologies have the potential to radically change the economics and operations of telephone services. ...

Speech quality, especially in voice over IP systems is influenced by many parameters: Delay has significant impact on the conversational quality mainly for two reasons: On the one hand the conversation between both subscribers and their interaction is more difficult. On the other hand the delay has a strong influence on the echo perception, longer transmission delay leads to an increased sensit...

The rapid development in the electronics industry leads to a design process dominated by time-to-market constraints. The balance is shifted from logic design to packaging of already existing IP which results in a search for solutions for interconnecting the IP blocks. Networks-on-chip allow the rapid development a scalable interconnect and with the use of Circuit switching they can also provide...

This paper presents the design and implementation methodology of some low power programmable FIR filtering IP cores targeting SoRC and compares their performance in term of area, power and speed. The paper analyzes the dynamic power consumption of the IP cores in the fabric of Field Programmable Gate Arrays (FPGAs). The target device is Virtex family (xcv1000). The cores are technology independ...

Optical Burst Switching (OBS) is considered as a promising switching technique for the next generation of optical networks. A solid understanding of the characteristics of OBS traffic is the prerequisite to efficiently address a series of problems such as network dimensioning, performance optimization, routing and load balancing. In this paper we address this issue presenting the first exact an...

In this paper, the optical composite burst switching (OCBS) technique is proposed to be implemented in an all-optical backbone network to support Internet protocol (IP) traffic. The OCBS is based on two main features. First, several IP packets are assembled in a single macropacket, called burst. Second, the burst contention in an optical switch is handled by means of two techniques, the wavelen...

We describe a WDM-based optical access network architecture for providing broadband Internet services. The architecture uses a passive collection and distribution network and a configurable Feeder network. Unlike earlier papers that concentrate on the physical layer design of the network, we focus on higher layer architectural considerations. In particular we discuss the joint design of the ele...