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Cannot Copy Error: I am in the process of creating a VBSCript that creates a folder and then copies files from one folder on my C drive to the new folder created on my C drive. When trying to copy or move the files I get a "Cannot Copy: Access is Denied,...; Tags: husweety@..., strMonth End, strDay End, strFolderName, strDay, strMonth; Discussion threads 2007-09-24

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A Study of End-to-End Web Access Failures: This paper presents a study of end-to-end web access failures in the Internet. Part of the characterization of failures is based on directly observable end-to-end information. The paper also presents novel analyses that reveal aspects of end-to-end failures that would be hard to discern otherwise. First, it combines end-to-end failure...; Tags: Web, Failure, BGP, Networking; White papers 2006-10-13
Modeling End-to-End Available Bandwidth: The ability to accurately predict available bandwidth of an end-to-end path is of importance for improving quality of services for end users. For instance, end users can receive high quality video if senders can select to stream video data on an end-to-end path with available bandwidth that fits the required...; Tags: Bandwidth, Modeling; White papers 2006-05-01
Understanding TCP Over TCP: Effects of TCP Tunneling on End-to-End Throughput and Latency: TCP tunnel is a technology that aggregates and transfers packets sent between end hosts as a single TCP connection. By using a TCP tunnel, the fairness among aggregated flows can be improved and several protocols can be transparently transmitted through a firewall. Currently, many applications such as SSH, VTun, and...; Tags: Latency, TCP, Tcp/Ip, Networking; White papers 2007-11-16
Efficient Monitoring of End-to-End Network Properties: It is often desirable to monitor end-to-end properties, such as loss rates or packet delays, across an entire network. However, active end-to-end measurement in such settings does not scale well, and so complete network-wide measurement quickly becomes infeasible. More efficient measurement strategies are therefore needed. Previous work, examining this problem...; Tags: Network, Boston University, Monitoring, Networking; White papers 2007-12-01

SLA Calculus for End-to-End QoS of TCP-Based Applications in a Multi-Domain Environment: Next-generation communication services will be offered over distributed information and communication infrastructures consisting of a multitude of administrative domains, owned by different parties. This raises the problem for service providers to provide satisfactory levels of end-to-end Quality of Service QoS, as experienced by the paying end user, in a cost-effective...; Tags: SLA, QoS, Environment, TCP, Service Level Management, It Operations, It service Management; White papers 2006-06-05
Front-End and Back-End Server Topology Guide for Microsoft Exchange Server 2003 and Exchange 2000 Server: Microsoft Exchange Server 2003 and Microsoft Exchange 2000 Server support using a server architecture that distributes server tasks among front-end and back-end servers. In this architecture, a front-end server accepts requests from clients and proxies them to the appropriate back-end server for processing. This paper discusses how Exchange Server 2003...; Tags: Microsoft Exchange Server, Microsoft Corp., Microsoft Exchange 2000 Server, Microsoft Exchange Server 2003, E-mail Servers, Groupware, Servers, Enterprise Software, Software, Hardware; White papers 2006-06-27
Measuring End-to-End Bandwidth With Iperf Using Web100: End-to-end bandwidth estimation tools like Iperf though fairly accurate are intrusive. This paper describes how with an instrumented TCP stack (Web100), one can estimate the end-to-end bandwidth accurately, while consuming significantly less network bandwidth and time. The paper modified Iperf to use Web100 to detect the end of slow-start and...; Tags: Bandwidth, Network, Stanford University, Tcp/Ip, Networking; White papers 2008-01-01
Hybrid Random Early Detection Algorithm for Improving End-to-End Congestion Control in TCP/IP Networks: The successful operation of the present Internet depends mainly upon TCP/IP which employs end-to-end congestion control mechanisms built in the end hosts. In order to further enhance this paradigm of end-to-end control the Random Early Detection algorithm has been proposed, which starts to mark or drop packets at the onset...; Tags: Algorithm, Congestion, Tcp/Ip, Engineering, Networking; White papers 2005-04-03
Learn the basics about structured exception handling in VB.NET: Try / End TryA "Try" structure should be closed with "End Try" not with "End Catch" as shown above.When old way works betterThough both Microsoft documentation and this article states that the old ON ERROR is not preferred, I have found severa; Tags: vb.net, programming, software, End Try, mark.bernhardt, old way, Microsoft Visual Basic.Net; Discussion threads 2006-11-17
Service Level Agreement Provisioning and Monitoring for End to End QoS: Grid applications require computing, storage and network resources offered from different Resource Centers RCs. For the exchange of resources and the data transfers between two RCs an end-to-end path should be created. To provide QoS assurances to this end-to-end path, the complete path should be reserved and configured to offer...; Tags: SLA, QoS, Network, Monitoring, Path, Service Level Management, Networking, It Operations, It service Management; White papers 2007-04-15
Exchange Front end/back end configuration: Our exchange IS exceeds the 16 GB limitation that exists for Exchange Server 2003 Standard Edition.However, now we are looking at installing a front end server to serve OWA and possibility some Blackberry or OMA services. Can I install a Exchange 2003 Standard front end with a Enterprise...; Tags: E-mail servers, faradhi; Discussion threads 2007-06-14
Exploring Alternative Convergence-Ready Solutions from Avaya and Extreme Networks: End-to-end security, availability and reliability are no longer nice to have, but essential to growing businesses. Avaya and Extreme provide a substantial convergence-ready architecture to support and manage across end-to-end networking layers.; Tags: Avaya Inc., Extreme Networks, Convergence, VOIP, Telecommunications, Networking; White papers 2005-05-01
The Bell Labs Security Framework: Making the Case for End-to-End Wi-Fi Security: As discussed in this paper, most of the security vulnerabilities in Wi-Fi networks can be addressed with the available protocols and security mechanisms and a reasonably secure Wi-Fi network with an acceptable level of risk for most enterprises can be deployed. To achieve this, IT organizations need a mechanism that...; Tags: AT&T Bell Laboratories, Wi-Fi Security, Wireless LANs, Wi-Fi, Security, Wireless; White papers 2006-09-01
Invited Research Overview: End-User Programming: In the past few decades there has been considerable work on empowering end users to be able to write their own programs, and as a result, users are indeed doing so. The "Programming" systems used by these end users include spreadsheet systems, web authoring tools, business process authoring tools such...; Tags: Carnegie-Mellon University, Web Authoring, Spreadsheet, Programming, Productivity, Operational Planning, Development Tools, Business Operations, Software Development, Software/Web Development; White papers 2006-04-22
Real-Time End-to-End Network Monitoring in Large Distributed Systems: Measuring real-time end-to-end network path performance metrics is important for several distributed applications such as media streaming systems (e.g., for switching to paths with higher bandwidth and lower jitter) and content distribution systems (e.g., for selecting servers with lower latency). However, it is challenging to perform such end-to-end pairwise measurements...; Tags: Network, University Of Texas, Distributed System, Network Monitoring, Networking; White papers 2006-12-02
How Cisco IT Provides Remote Access for Small Offices and Telecommuters: Many Cisco Systems employees have a need to work from home on a full-time, part-time, or occasional basis. In 2001, the company introduced a "Software" Virtual Private Network VPN solution to provide remote connectivity. The software solution presented limitations and management challenges. Cisco needed a way to increase the capabilities...; Tags: Remote Access, Solution, Information Technology, Telecommuting, Cisco Systems Inc., Small Office; Case studies 2007-12-19
Towards End-to-End QoS in Ad Hoc Networks: This paper addresses the problem of supporting adaptive QoS resource management in mobile ad hoc networks, by proposing an efficient model for providing proportional end-to-end QoS between classes. The effectiveness of the proposed solution in meeting desired QoS differentiation at a specific node and from end-to-end are assessed by simulation...; Tags: Advertisement, QoS; White papers 2005-11-04
End-to-End Flow Monitoring With IPFIX: End-to-End (E2E) flow monitoring is useful for observing performance of networks such as throughput, loss rate, and jitter. Typically, E2E flow monitoring is carried out at end hosts with known tools such as iperf. However, in a large-scale network, the end-host approach for performance measurement may not be easily deployed...; Tags: Monitoring; White papers 2007-05-18
End-to-End Web Application Security: Web applications are important, ubiquitous distributed systems whose current security relies primarily on server-side mechanisms. This paper makes the end-to-end argument that the client and server must collaborate to achieve security goals, to eliminate common security exploits, and to secure the emerging class of rich, cross-domain Web applications referred to...; Tags: Web, Web Application, Security; White papers 2007-04-11

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