failures restoration
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Verification of RSTP Convergence and Scalability by Measurements and Simulations
White Paper The Rapid Spanning Tree Protocol (RSTP) avoids loops in the network by reducing the logical topology to a tree, and achieves fast restoration in case of failures. As the Ethernet technology is growing out from the LAN environment, its restoration... [04 Aug 2008]
Classification of Two-Link Failures for All-Optical Networks
White Paper This paper examines the relationship between the design of restoration algorithms and their ability to gracefully recover from multiple link failures. Algorithms addressing link failures must provide high-speed recovery through distributed... [18 Jul 2008]
Efficient Bandwidth Guaranteed Restoration Algorithms for Multicast Connections
White Paper This paper defines a new restoration strategy for provisioning bandwidth guaranteed recovery for multicast connections in presence of link failures. The new restoration strategy is formulated into a new Integer Linear Programming (ILP) algorithm... [11 Jul 2008]
Fault Restoration Techniques for MPLS With QoS Constraints
White Paper This paper investigates distributed fault restoration protocols for MultiProtocol Label Switching (MPLS) that automatically reroute label switched paths in the event of failures while maintaining Quality of Service (QoS) requirements. [11 Jul 2008]
Online Restoration Routing Using Optimized Aggregate Usage Information
White Paper Backup paths that provision restoration in event of failure of separate network elements may share bandwidth, since the probability of multiple network failures is low. This paper investigates the problem of distributed online routing of bandwidth... [11 Jul 2008]
Restoration Algorithms for Virtual Private Networks in the Hose Model
White Paper In order to ensure service quality and availability in a VPN, seamless recovery from failures is essential. A Virtual Private Network (VPN) aims to emulate the services provided by a private network over the shared Internet. [11 Jul 2008]
Feasibility of IP Restoration in a Tier-1 Backbone
White Paper Large IP networks usually combine protection and restoration mechanisms at various layers of the protocol stack to minimize service disruption in the event of failures. Sprint has chosen an IP-based restoration approach for building a highly... [03 Jul 2008]
An Agile Optical Layer Restoration Method for Router Failures
White Paper The Optical Layer can provide its IP clients rapid and efficient restoration for link failures, however its inability to protect against router failures erodes its attractiveness. Here, we propose a joint IP/Optical restoration mechanism suitable... [03 Jul 2008]
Fast Restoration in a Mesh Network of Optical Cross-connects
White Paper Also, SONET Rings, the primary technology to provide restoration from network failures in today’s networks, tend to be capacity inefficient when compared to “mesh” topologies in networks with a high degree of connectivity and when, because of size... [03 Jul 2008]
On the Resilience of SACK and NewReno TCP
White Paper Such values would indicate significant objectives for the restoration of networks carrying TCP traffic. For SACK and NewReno TCP, the paper finds that a restoration objective of 600 ms to 1 s is appropriate. [15 Jan 2008]
Overcoming Recovery Barriers: Rapid and Reliable System and Data Recovery
White Paper Disaster recovery plans that include both tape and disk-to-disk backup can enjoy the long-term archival strength of tape and the fast backup, and quick and reliable restoration capabilities of disk technology. [02 Jan 2007]
Designing Networks to Support Fast Restoration
White Paper In this local restoration scheme detour paths are set-up a priori and network resources are pre-reserved exclusively for carrying rerouted traffic under network failures (i.e.they do not carry any traffic under normal working conditions). [09 Dec 2006]
Algorithms for Computing QoS Paths With Restoration
White Paper The above objectives, coupled with the need to minimize the global use of network resources, imply that the cost of both the primary path and the restoration topology should be a major consideration of the routing process. [07 Apr 2005]
Data Protection and Restoration for Today and Tomorrow
White Paper The Baltic Exchange and the NatWest Tower bombings.Thames River flood threats.the Los Angeles earthquake.local fires and power failures all of these disasters (real and potential) mean that businesses can no longer feel complacent about the... [25 Feb 2004]
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