RMD (Resource Management in Diffserv) QoS-NSLP model

This draft describes a local QoS model, denoted as Resource Management in Diffserv (RMD) QoS model, for NSIS that extends the IETF Differentiated Services (Diffserv) architecture with a scalable admission control and resource reservation concept. The specification of this QoS model includes a description of its QoS parameter information, as well as how that information should be treated or interpreted in the network

LC-PCN: The Load Control PCN Solution

There is an increased interest of simple and scalable resource provisioning solution for Diffserv network. The Load Control PCN (LC-PCN) addresses the following issues:\ud o Admission Control for real time data flows in stateless Diffserv Domains\ud o Flow Termination: Termination of flows in case of exceptional events, such as severe congestion after re-routing.\ud Admission control in a Diffserv stateless domain is a combination of:\ud o Probing, whereby a probe packet is sent along the forwarding path in a network to determine whether a flow can be admitted based upon the current congestion state of the network\ud o Admission Control based on data marking, whereby in congestion situations the data packets are marked to notify the PCN-egress-node that a congestion occurred on a particular PCN-ingress-node to PCN-egress-node path.\ud \ud The scheme provides the capability of controlling the traffic load in the network without requiring signaling or any per-flow processing in the PCN-interior-nodes. The complexity of Load Control is kept to a minimum to make implementation simple.\u

"The doctrines of deviation and fundamental breach: have they really sunk?"

A contract of carriage by sea evidenced inter alia by a bill of lading or charter-party governs and regulates the relations between the parties to whom it applies. As in any other contract, the parties have certain duties and obligations provided for by the contract whether expressly or by implication. This paper focuses on the effects of a breach of such a contract, in particular when such a breach is a fundamental breach or is a geographical deviation made by the carrier. The effect of an exclusion or limitation clause contained in a contract, in the event of such breaches will also be considered. There exists no jurisprudence in South African shipping law dealing with a fundamental breach or a deviation and thus in terms of s6(1) of the South African Admiralty Jurisdiction Regulation Act no. 105 of 1983, English law is the law applicable should a South African court be faced with a situation involving a fundamental breach or geographical deviation. The doctrines of deviation and fundamental breach will be examined from the moment of their inception to arguably their disintegration. Exclusion, exception and exemption clauses are all those clauses which exclude a party who has committed a breach from liability, and limitation clauses are those limiting liability. How these have been affected by the doctrines of deviation and fundamental breach as well as the survival of these doctrines will now be see

RMD-QOSM: The NSIS Quality-of-Service Model for Resource Management in Diffserv

This document describes a Next Steps in Signaling (NSIS) Quality-of- Service (QoS) Model for networks that use the Resource Management in Diffserv (RMD) concept. RMD is a technique for adding admission control and preemption function to Differentiated Services (Diffserv) networks. The RMD QoS Model allows devices external to the RMD network to signal reservation requests to Edge nodes in the RMD network. The RMD Ingress Edge nodes classify the incoming flows into traffic classes and signals resource requests for the corresponding traffic class along the data path to the Egress Edge nodes for each flow. Egress nodes reconstitute the original requests and continue forwarding them along the data path towards the final destination. In addition, RMD defines notification functions to indicate overload situations within the domain to the Edge nodes

A new solution to the problem of range identification in perspective vision systems

Published versio

Pre-Congestion Notification (PCN) Architecture

This document describes a general architecture for flow admission and termination based on pre-congestion information in order to protect the quality of service of established, inelastic flows within a single Diffserv domain.\u