Previous
NTL:Telewest suffers national network failure
News The failure follows NTL:Telewest network problems on Monday in Glasgow and Shropshire. NTL:Telewest, the UK's cable broadband operator, has suffered a serious breakdown in its service. Many customers across its former Telewest franchise area tried...
[January 9, 2007, 10:50]
The Bi-Mesh Survivable Network - Fast Recovery From Node Failure in MPLS Enabled Networks
White Papers To provide reliable carrier-grade service, MPLS-based recovery procedures must be able to quickly address any link or node failure. Current standardized MPLS fast recovery mechanisms cannot cope with egress node failure.
[July 4, 2008, 1:00]
Phoenix Assurance Company Leverages Network Appliance Storage to Ensure Complete Operational Recovery Within 48 Hours of a Site Failure
White Papers The Israel Phoenix Assurance Company Ltd.specializes in general, life, health, and nursing insurance and is part of The Israel Phoenix Group, the third-largest insurance group in Israel. The company wanted to ensure rapid, uninterrupted access and...
[July 20, 2007, 1:00]
SACK TCP Resilience Improvement With OPNET
White Papers This can occur during network congestion as well as network failure. This paper documents a change to the OPNET version of SACK TCP that improves the protocol's resilience significantly, both during network congestion and for network failure.
[December 27, 2007, 0:01]
Update: UUnet outage in Atlantic
News The network failure was caused by a router at an unidentified customer of UUnet's. Three Internet services providers had previously claimed UUnet was the source of the failure. The router fed erroneous navigational information into the system...
[November 9, 1998, 15:40]
Failure Handling in a Network-Transparent Distributed Programming Language
White Papers This paper shows that asynchronous fault detection is a practical way to reflect partial failure in a network-transparent distributed programming language. The paper presents a new programming model that is based on asynchronous fault detection, is...
[January 9, 2009, 0:00]
Protection Networking of Ethernet PON FTTH Access Network
White Papers Most FTTH access networks are protected from failure by having redundant network equipments. In this paper, the authors propose a protection method where redundant equipments are not required and protection is provided to end user through sharing...
[July 8, 2008, 1:01]
Dual NICs for niftier networking
News For another, they represent points of failure. With NLB, the failure of a NIC will not block traffic to and from a server. For one thing, they represent bottlenecks that can slow the transmission and processing of data across the network.
[July 23, 2002, 8:32]
How Cisco Built Survivable Remote Site Telephony Into IT Operations Command Center
White Papers SRS Telephony automatically detects a failure in the network, and then uses Cisco Simple Network Automated Provisioning (SNAP) capability to initiate a process to intelligently autoconfigure the router to provide call-processing backup redundancy...
[March 5, 2008, 0:02]
Google network outage hit one in seven users
News Blamed by the company on a systems error that caused network traffic misrouting, the failure occurred at approximately 3:15pm BST and lasted for two hours. Although the exact reasons of Thursday's failure are not known, internet service provider...
[May 15, 2009, 12:39]
Orange silent on major broadband outage
News Orange has apologised to those affected and blamed the problems on a "network equipment failure". The company suffered problems with its broadband service in August after another "equipment failure". This means it can manage the lines itself and...
[October 18, 2006, 14:10]
US flights grounded by failure of '70s-era' tech
News In the wake of a computer failure that caused delays for 646 US flights on Tuesday, the US Federal Aviation Administration plans to upgrade its decades-old technology for flight-plan processing and potentially add a third backup system.
[August 28, 2008, 11:09]
Ten crucial server attributes
Articles The data I/O channel is often the server's bottleneck but this machine houses four 1Gbps load-balancing Ethernet ports, helping to speed the flow of data and provide redundancy against hardware failure.
[September 18, 2009, 16:15]
Handling firewalls
News Web servers, SQL servers, etc.and log all of their traffic regardless of success or failure. Finally, if your firewall is software-based, you should audit every system and application failure and every success and failure of security.
[May 29, 2002, 21:14]
Centrally managed antivirus software
News Because such systems store the virus signature/definition files in a single location -- usually a network server -- this server becomes a single point of failure for the entire system. A single point of failure
[January 8, 2003, 8:45]
The seven Rs of high availability
News Infrastructure analysts can take a similar approach by configuring disk and tape controllers and servers with dual paths, splitting network loads over dual lines, and providing alternate control consoles -- in short, eliminating as much as...
[November 26, 2002, 12:06]
Microsoft Azure evangelist tackles cloud doubts
News The network between the cloud and the end user becomes a point of failure like everything else. In your Azure service-level agreements (SLAs), you're offering credits against failure to meet certain uptime thresholds — effectively credits to...
[July 14, 2009, 15:36]
Spyware: Is it clogging up your network?
News At first, the description of the error sounded like a DNS failure, but this wasn't the case. Further details suggested a failure of the Firewall-1 HTTP proxy. After weeks of trouble, the organisation called me in to help solve one of the more...
[January 28, 2005, 15:20]
Make time to review your storage network configuration
News At the time of our installation, EqualLogic also recommended, for full redundancy, two separate switches, and provided a cabling diagram for getting the best results in the event of hardware failure somewhere in the chain.
[September 28, 2006, 15:20]
US army aims to take P2P into battle
News From a military context, having a centralised server is a point of failure, a critical failure node. In an interview with O'Reilly Network's OpenP2P.com, Macedonia explained that in the future a squad could virtually practice an attack while out in...
[August 30, 2001, 15:13]
