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 TitleDate AddedCompany
whitepaper Analysis of a Window-Based Flow Control Mechanism Based on TCP Vegas in Heterogeneous Network Environment2007-11-16 Osaka University
  Another version of TCP called TCP Vegas has been proposed and studied in the literature. It can achieve better performance than the current TCP Reno. In the previous studies, steady-state behavior of a window-based flow control mechanism based on TCP Vegas has been analyzed for a simple network topology. This paper extends the analysis to a generic network topology where multiple bottleneck links exist. The paper first derives equilibrium values of a window size of a TCP connection and the number of packets waiting in a router's buffer in steady state. It also derives throughput of each TCP connection in steady state, and investigate the effect of control parameters of TCP Vegas on fairness among TCP connections.   
whitepaper A Window-Based Flow Control Mechanism Based on TCP Vegas With Explicit Congestion Notification2007-11-16 Osaka University
  A window-based flow control mechanism is a sort of feedback-based congestion control mechanisms, and has been widely used in TCP/IP networks. Recently proposed TCP Vegas is another version of the TCP mechanism and has potential to achieve much better performance than current TCP Tahoe and Reno. This paper focuses on a window-based flow control mechanism based on a congestion avoidance mechanism of TCP Vegas. The paper first presents a control theoretic analysis for its stability. It then discusses several drawbacks of the window-based flow control mechanism, being inherited from TCP Vegas, through simulation experiments. The paper finally investigates how these drawbacks are solved by incorporating the ECN (Explicit Congestion Notification) mechanism into the window-based flow control mechanism.   
whitepaper A Control Theoretical Approach to a Window-Based Flow Control Mechanism With Explicit Congestion Notification2007-11-16 Osaka University
  A window-based flow control mechanism is a sort of feedback-based congestion control mechanisms, and has been widely used in current TCP/IP networks. Recently proposed TCP Vegas is another version of the TCP mechanism and has potential to achieve much better performance than current TCP Tahoe and Reno. However, it has not been fully investigated how to determine control parameters of TCP Vegas. This paper focuses on a window-based flow control mechanism based on a congestion avoidance mechanism of TCP Vegas. It first presents a control theoretic analysis for its stability. The paper then discusses several drawbacks of the window-based flow control mechanism, being inherited from TCP Vegas, through simulation experiments.   
whitepaper Parameter Tuning of Rate-Based Congestion Control Algorithms and Its Application to TCP Over ABR2007-11-16 Osaka University
  In this paper, the rate-based congestion control algorithm that has been standardized in the ATM Forum is evaluated. Its behavior is analyzed by utilizing a first-order fluid approximation to provide control parameter tuning. This paper obtains the maximum queue length at the switch and conditions for avoiding under-utilization. The results are then applied to TCP over ABR service class. More specifically, it evaluates the TCP-level performance through a simulation technique when TCP is applied to ABR service class with the rate-based congestion control. The paper first compares rate-based control of ABR service and EPD applied to UBR service, and show that rate based congestion control achieves better fairness and higher throughput in most circumstances.   
whitepaper Coca-Cola Enterprises Transforms Business: Integration with Video2007-11-13 Cisco Systems
  Coca Cola describes the 'perfect storm' for the use of video and audio over IP networks.   
whitepaper TechNet Webcast: Improving Desktop Security and Deployment (Part 2 of 7): Overview of Networking in Windows Vista (Level 200)2007-11-12 Microsoft
  This webcast look at the new TCP/IP stack in Windows Vista and Windows Server 2008. The new stack includes a new set of performance enhancements to increase throughput in high-bandwidth, high-latency, and high-loss networking environments. It looks at the architecture of the new stack and the new features that are supported. This includes receive windows auto-tuning, advanced detection features, and other improvements, such as the Network and Sharing Center, that provide easy access to many network tasks. This webcast discusses how to manage network connections in Windows Vista, including wireless connections. On a security front, Windows Vista provides extra layers of security for organization. The webcast also covers the integration of the improved Windows Firewall and IP Security (IPSec).

Tags: Windows Vista, Application Servers		   
whitepaper TechNet Webcast: Windows Server 2008 and Windows Vista Are Better Together (Level 200)2007-11-07 Microsoft
  This webcast discusses many new features shared by the Windows Vista and Windows Server 2008 operating systems. It starts by talking about why Windows Server 2008 and Windows Vista are so closely related, and how together they enable many new and exciting features that promote more efficient management. The webcast talk about the new features that make data more available, such as improvements to offline files, client-side print rendering, the transactional file system, and policy-based Quality of Service (QoS). Finally, it review such things as the new TCP/IP stack and Server Message Block (SMB) 2.0 protocol that speed network communications in Windows Server 2008 and Windows Vista.

Tags: Application Servers, Windows Vista		   
whitepaper Nortel Network Case Study: Kerzner International Limited2007-11-05 Nortel Networks
  Kerzner is among the elite in the luxury resort industry. Its objective is to anticipate, meet, then exceed customer expectations - to set the standard for the ultimate guest experience. As such, Kerzner recognized that its newest property, The Cove Atlantis, must be equipped with a top-shelf communications system as the foundation for delivering only the most excellent, advanced guest services. Management wanted to build a core infrastructure that would both meet the resort's current communications requirements and be positioned to add new services and applications as they're developed. Kerzner selected a hospitality solution from Nortel because of the proven infrastructure on which the solution is founded, an infrastructure that provides for the most advanced applications targeted at improving guest services.

Tags: Call Center - Contact		   
whitepaper Take Control of File Transfer Operations2007-11-01 Sterling Commerce
  Anyone working in a fast-paced and competitive business will testify that corporate data is increasing in volume every day. With the growing ubiquity of multimedia content, large file attachments in e-mail messages, and outsourcing relationships requiring the movement of payroll data and massive engineering and manufacturing schematics, for example, companies are creating, storing, and sharing more raw data, more quickly, than ever before.

According to a recent report from UK-based news site Security Park, individual users receive an average of 18 MB of data per day via e-mail, and that's due to increase to 28 MB of data per day by 2011.

Large data volumes and increased use of file transfer utilities have underscored the shortcomings of traditional File Transfer Protocol or FTP-based transmissions. FTP has no built-in security or reliability features, and many companies report problems with a significant percentage of their file transfer operations. Add-on solutions that provide encryption for FTP transmissions on the wire are insufficient, as they leave data open to exploitation at corporate endpoints. Data theft resulting from FTP and data transfer vulnerabilities can lead to significant financial losses and negative publicity, as evidenced in several recent breaches.

Sterling Commerce provides a comprehensive managed file transfer solution as a secure and reliable alternative to unprotected FTP. The Sterling Control Center management solution provides full visibility, administrative features, security, and reporting for all the file transfers in your enterprise. Sterling Connect solutions deliver powerful and scalable file transfer functions across disparate computing platforms, file systems, locations, and media.

With Sterling Commerce managed file transfer solutions in place, companies enjoy improved service level agreements (SLA) and regulatory compliance, higher customer satisfaction, reduced operating and IT cost

Tags: E-commerce Security, SLA, Security Standards, Data Recovery - Security		   
whitepaper Planning and Accomplishing the IPv6 Integration: Lessons Learned From a Global Construction and Project-Management Company2007-11-01 Cisco Systems
  This paper gives essential planning steps for organizations planning for IPv6 deployment and integration. It describes each of Company6's carefully coordinated integration projects: the Cisco network foundation, applications, management, and security. The paper examines issues involved in planning the IPv6 integration by describing the experience of a global construction and project-management company with offices in more than 100 countries.

Tags: IP Technologies