Layer 3 switching is a subject vehemently discussed in the networking community. In addition to a number of manufacturer-specific approaches, Multi-Protocol Over ATM (MPOA) and Multiprotocol Label Switching (MPLS) are the most important examples of this technology. MPOA [1,2] was released in 1997 by the ATM Forum; MPLS [3,4] is a collection of IETF Internet drafts. This paper presents the conce...

We propose an online traffic engineering (TE) scheme for efficient routing of bandwidth guaranteed connections on a Multiprotocol label switching (MPLS)/wavelength division multiplexing (WDM) network with a traffic pattern varying with the time of day. We first consider the problem of designing the WDM virtual topology utilizing multi-hour statistical traffic pattern. After presenting an effect...

Internet-Drafts are working documents of the Internet Engineering Task Force (IETF), its areas, and its working groups. Note that other groups may also distribute working documents as Internet-Drafts. Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as refer...

We consider the problem of estimating the peak parameters in a spectroscopic signal, i.e. their locations, amplitudes and form parameters. A marked point process provides a suitable representation for this phenomenon: it consists in modeling the spectrum as a noisy sum of points lying in the observation space and characterized by their locations and some marks (amplitude and widths). A non-supe...

Due to the increasing multicast applications and high desire for its deployment, it seems that any new technology should support multicast. However; MPLS technology which enhances IP packet forwarding capability by using layer 2 switching still does not offer any special solution for multicast support. The main difficulty in supporting dense-mode multicast protocols like DVMRP and PIM-DM is lac...

With the invention of MPLS, complex traÆc engineering and multipath packet forwarding has become a reality. To use multipath packet forwarding, eÆcient load control between paths is necessary. Furthermore, dynamic load control is needed to optimize load mapping between paths depending on the network state. Unfortunately, distributed dynamic load control algorithms, if not carefully designed, ca...

A generic mechanism for end-user transmission rate control into a differentiated services Internet is formulated and basic results of corresponding Nash equilibria are proved. We consider specific examples of the mechanism including additive increase and multiplicative decrease inspired by present day TCP congestion control. For the example of users sharing access to a bandwidth resource via re...

Two of the major branches in secure multi-party computation research are secret sharing and garbled circuits. This work succeeds in combining these to enable seamlessly switching to the technique more efficient for the required functionality. As an example, we add garbled circuits based IEEE 754 floating-point numbers to a secret sharing environment achieving very high efficiency and the first,...

This letter presents the experimental demonstration of a Coulomb blockade ~CB! logic device. Our logic architecture consists of an array of current pathways, controlled by CB switching nodes. In this architecture, high gain is not required to transmit information, making it well suited to the CB device. Each CB node is switched between a blockaded state and a completely pinched-off state, minim...

Multiprotocol label switching (MPLS) has several advantages over destination-based IP routing protocols: it allows to setup end to end paths explicitly (also called label switched paths, LSP), to better monitor the traffic on these LSPs, to perform admission control, etc. While routing along a LSP is considered faster than IP routing, the operation of changing a LSP pipe requires processing and...