Tata Consultancy Services

Displaying 1-40 of 102 results

  • White Papers // Apr 2012

    Effect of Packet-Size Over Network Performance

    TCP (Transmission Control Protocol) is the most widely-used protocol on Internet. It divides one large data into small sized packets, called segments. Segmentation is useful for improving network performance. It has a major problem in that its congestion control algorithm does not allow flows to obtain full available bandwidth during...

    Provided By Tata Consultancy Services

  • White Papers // Feb 2012

    Secure and Privacy-Preserving Data Aggregation Protocols for Wireless Sensor Networks

    In recent years, Wireless Sensor Networks (WSNs) have drawn considerable attention from the research community on issues ranging from theoretical research to practical applications. Special characteristics of WSNs, such as resource constraints on energy and computational power and security have been well-defined and widely studied (Akyildiz et al., 2002; Sen,...

    Provided By Tata Consultancy Services

  • White Papers // Jan 2012

    An Attack on Privacy Preserving Data Aggregation Protocol for Wireless Sensor Networks

    In-network data aggregation in Wireless Sensor Networks (WSNs) provides efficient bandwidth utilization and energy-efficient computing. Supporting efficient in-network data aggregation while preserving the privacy of the data of individual sensor nodes has emerged as an important requirement in numerous WSN applications. For privacy-preserving data aggregation in WSNs, He et al....

    Provided By Tata Consultancy Services

  • White Papers // Jan 2012

    Towards an Integrated Digital Workplace

    The enterprise's digital workplace has evolved radically over the past decade. Beginning with a client-server model, an e-mail client, a primitive intranet and few business applications, it has now become a highly sophisticated digital work environment with several different applications and tools to enhance workplace efficiency. While workplace efficiency focus...

    Provided By Tata Consultancy Services

  • Case Studies // Jan 2012

    NextGen R&D Service - IP Networking

    The dramatic rise in global mobile traffic will drive a paradigm shift toward next generation networks and applications. The need for readiness for next generation packet routing and switching solutions to meet market demands for more bandwidth brings in the following challenges: implementing next generation packet routing, providing scalable, flexible...

    Provided By Tata Consultancy Services

  • White Papers // Oct 2011

    Reputation and Trust-Based Systems for Wireless Self-Organizing Networks

    Traditional approach of providing network security has been to borrow tools and mechanisms from cryptography. However, the conventional view of security based on cryptography alone is not sufficient for the defending against unique and novel types of misbehavior exhibited by nodes in wireless self-organizing networks such as mobile ad hoc...

    Provided By Tata Consultancy Services

  • Case Studies // Sep 2011

    Commerzbank IT Worlds Growing Together

    One IT area particularly crucial to the banking industry is the central system for collecting and distributing market data relating to derivative financial instruments. As part of the integration project, Commerzbank faced the task of unifying two "Worlds," each with very different process flows, contents, and database systems. It needed...

    Provided By Tata Consultancy Services

  • White Papers // Aug 2011

    Privacy Preserving Data Aggregation in Wireless Sensor Networks

    Privacy preservation is an important issue in today's context of extreme penetration of internet and mobile technologies. It is more important in the case of Wireless Sensor Networks (WSNs) where collected data often requires in-network processing and collaborative computing. Researches in this area are mostly concentrated in applying data mining...

    Provided By Tata Consultancy Services

  • White Papers // Aug 2011

    Precise Detection of Un-Initialized Variables in Large, Real-Life COBOL Programs in Presence of Un-Realizable Paths

    Using variables before assigning any values to them are known to result in critical failures in an application. Few compilers warn about the use of some, but not all uses of un-initialized variables. The problem persists, especially in COBOL systems, due to lack of reliable program analysis tools. A critical...

    Provided By Tata Consultancy Services

  • Case Studies // Aug 2011

    TCS Aids Siebel 7.8 Upgradation to Improve Customer Experience in XO Communications

    With the battle for market share intensifying between Incumbent Local Exchange Carriers (ILECS), and Competitive Local Exchange Carriers (CLECs) in the US, Telecommunications service providers need to work hard to retain their customers. Technology can be a great asset in building a sound customer relationship strategy and program as XO...

    Provided By Tata Consultancy Services

  • White Papers // Jul 2011

    Device Management for Retail and Enterprise - Challenges and Recommendations

    This paper highlights some of the major challenges being faced today by Telcos in deploying Device Management (DM) Solution for their retail and enterprise segment for both mobile and home devices. The paper also makes an attempt to make certain recommendations to the telecom organizations for better delivery and deployment...

    Provided By Tata Consultancy Services

  • Case Studies // Jun 2011

    A Large Insurer Uses TCS Expertise to Standardize Its IT Environment

    TCS' client is the member of a global insurance group that is a leading organisation in financial protection and wealth management wished to migrate the policy administration system of an acquired regional company to its own standardised platform. TCS helped the company migrate 68,000 policies from the legacy system within...

    Provided By Tata Consultancy Services

  • Case Studies // May 2011

    Electro-Motive Diesel Implements a CRM Sales Module With the Support of TCS

    Today it is almost impossible for a large organization to survive without considering the needs and expectations of its customers through a Customer Relationship Management (CRM) system. Electro-Motive Diesel, Inc. (EMD) realized that it required an on-demand CRM system that would provide enterprise-wide data on sales and customers in real-time....

    Provided By Tata Consultancy Services

  • Case Studies // May 2011

    TCS Helps a Leading Indian Financial Services Provider Develop a User Centric Internet Strategy

    A leading Indian financial services group wanted to leverage the internet to drive customer acquisition and retention. The company sought the help to revamp its internet strategy and integrate its services across business units to offer a superior online customer experience. The authors applied their consulting know-how and technology expertise...

    Provided By Tata Consultancy Services

  • Case Studies // May 2011

    Central Board of Excise and Customs Achieves Greater Efficiency With an Integrated Nationwide IT Infrastructure Provided by TCS

    The Central Board of Excise and Customs (CBEC) is the government agency responsible for the collection of excise, import and export duty in India. The CBEC required a consolidated IT infrastructure to link its offices spread geographically over different parts of India; the agency also needed to set up a...

    Provided By Tata Consultancy Services

  • Case Studies // May 2011

    TCS Enables Accelerated Feature Development for a Large Wireless Equipment Vendor

    TCS' client is a large telecom equipment vendor that provides wireless solutions to global telcos. In order to cater to critical market specific functionalities needed by telcos in a short time, the vendor delivers 'Fast features.' This helps telcos to enhance their service offerings and to increase ARPU. The vendor...

    Provided By Tata Consultancy Services

  • Case Studies // May 2011

    A Large Aluminum Producer Partners With TCS to Gain IT Support at a Competitive Price

    TCS' client, a leading global producer of primary and fabricated aluminum, recognized that cost containment and maintaining profitability were key to staying competitive. The company hence decided to hand over the support of its IT environment to an external partner who could bring about measurable cost savings, which would add...

    Provided By Tata Consultancy Services

  • Case Studies // Apr 2011

    A Leading Educational Publisher Gains an Automated Content Management System With the Help of TCS

    The company wanted a partner who would be able to create an automated system that would fulfill the business requirements of strict taxonomy-oriented content storage, reuse of content assets and traceability of content versions with rich reporting features. TCS was the ideal choice and was picked to be the partner...

    Provided By Tata Consultancy Services

  • White Papers // Apr 2011

    Disaster Recovery Planning - "A Dime to Prepare Versus a Dollar for Repair"

    In corporations worldwide, C Level Executives are fretting over one question: "Are we in a position to restore our business quickly in case there is disaster in our IT operations?" Disaster Recovery Planning provides only a partial answer to this critical question. On a broader canvass, though, it is an...

    Provided By Tata Consultancy Services

  • Case Studies // Apr 2011

    A Leading Money Transfer Company Uses TCS Expertise to Increase Vendor Engagement

    TCS' client is a leading global money transfer company who wished to develop a vendor collaboration platform that would facilitate a seamless information highway between the company and its globally dispersed vendors. Tata Consultancy Services (TCS) used its Knome - an Enterprise Social Collaboration platform and CONSULT - a case-based...

    Provided By Tata Consultancy Services

  • White Papers // Apr 2011

    Business Intelligence And Analytics Across Studios

    The white paper provides a perspective on how production studios are not only dependent on creativity of few individuals to drive decision making; but also on key analytical metrics based on tones of information integrated across different business functions. It explains how studios are striving to increase revenue by expanding...

    Provided By Tata Consultancy Services

  • White Papers // Apr 2011

    Early Experience With Agile Methodology in a Model-Driven Approach

    The authors are in the business of delivering software intensive business systems using model-driven techniques. Developing suitable code generators is an important step in model-based development of purpose-specific business applications. Hence, it becomes critical to ensure that code generator development doesn't become a bottleneck for the project delivery. After establishing...

    Provided By Tata Consultancy Services

  • Case Studies // Mar 2011

    Hyundai Construction Equipment Gains Business Agility With TCS' State-of-The-art HRO Platform

    Hyundai Construction Equipment (HCE), a division of Hyundai Heavy Industries Limited, was looking to outsource its HR processes to a reliable partner who could ensure security and compliance. In addition, it wished to deploy enterprise-wide processes and systems quickly without causing an impact on its capital expenditure. TCS provided HCE...

    Provided By Tata Consultancy Services

  • White Papers // Mar 2011

    NoSQL, the Database for the Cloud

    NoSQL databases, the next generation databases, are a cost-effective alternative to relational databases. They have been successfully used by Google, Amazon, Twitter and Facebook to achieve massive parallelism, unlimited scalability and high availability. For enterprises, they can be well suited for Cloud Computing, Social Networking and Web 2.0 applications. However,...

    Provided By Tata Consultancy Services

  • White Papers // Mar 2011

    Airline Crew BPO ? Market Potential and Offering Development Methodology

    The increasing fleet of global commercial airlines and the resulting rise in the number of flight and cabin crew make crew management imperative for airlines. Efficient crew management helps reduce operational costs and ensures timely creation of crew pairings and roster, accurate manpower planning and effective crew utilization with adherence...

    Provided By Tata Consultancy Services

  • Case Studies // Mar 2011

    A Large Fortune 500 Financial Services and Insurance Company Boosts Field Sales' Productivity Through a TCS-Implemented Salesforce.com CRM

    TCS's client is an international financial services company that provides insurance, wealth management, and financial solutions. The company required an on-demand CRM solution that would integrate with its quote generation system as well as provide real-time connectivity to its field sales personnel. TCS supported the company in the migration of...

    Provided By Tata Consultancy Services

  • White Papers // Mar 2011

    An Approach for Baselining Service Oriented Architecture for an Enterprise

    Over last decade, Service-Orientation as a concept and practice has gathered momentum across industries, organizations and geographies. Inspite of optimistic analyst prediction that SOA will be used in more than 80 percent of mission-critical operational applications and business processes by 2010, there is a high degree of concern and skepticism...

    Provided By Tata Consultancy Services

  • White Papers // Mar 2011

    EMML - Bringing Mashups Closer to Enterprise

    Enterprise mashups were a hot topic a few quarters back, due to the promise of delivering user-generated composite application capabilities. Much has been speculated about this new breed of technology components - especially about the potential to reduce the business dependency on IT. Economic recession in the last couple of...

    Provided By Tata Consultancy Services

  • Case Studies // Mar 2011

    A Leading Telecom Equipment Company Relies on TCS to Support Its Legacy Network and Service Management Systems

    TCS' client, a leading supplier of high-tech equipment for telecommunications networks, turned to TCS for support in managing its legacy network and service management systems. Over the past several years, TCS has taken complete ownership of the legacy network and service management systems on behalf of the company, enabling the...

    Provided By Tata Consultancy Services

  • White Papers // Mar 2011

    Developing Configurable Extensible Code Generators for Model-Driven Development Approach

    The need for agility and adaptiveness of business applications is on the rise with continued increase in business dynamics. Code-centric techniques show unacceptable responsiveness in this dynamic context as business applications are subjected to changes along multiple dimensions that evolve independently. Use of model driven techniques for developing such business...

    Provided By Tata Consultancy Services

  • Case Studies // Mar 2011

    Communication Leader Motorola's Global IT Support Is Streamlined by TCS

    With IT becoming the nerve center of global enterprises, ensuring its continuous availability has become a key business imperative. For global communication leader Motorola, the success of its "Business 365 Live" initiative hinged for a large part on seamless functioning of the company's IT environment. With its extensive experience in...

    Provided By Tata Consultancy Services

  • White Papers // Mar 2011

    Cloud Computing for Consumer Products Industry Series - 1

    Cloud Computing is one of the most frequently used buzzword across industry segments and there is substantial increase in the adoption of the same. Cloud computing leads to shift in the way the organizations view their IT Investments and technology infrastructure. Cloud computing will help the organization by addressing the...

    Provided By Tata Consultancy Services

  • Case Studies // Mar 2011

    TCS Helps Nature Education Build a Web 2.0 Application Enabling Collaborative Learning

    Nature Education needed a partner with proven expertise in Web 2.0 to develop this innovative application. The company approached TCS to help them build a first-of-its-kind, world-class application - enabling the firm to realize its vision for science and technology education. TCS designed the Nature Education website as a set...

    Provided By Tata Consultancy Services

  • Case Studies // Mar 2011

    Leading Worldwide Provider of Test and Measurement Outsources Its Product Engineering Requirements to TCS

    In an attempt to remain competitive in the aggressive and rapidly changing test and measurement market, TCS' client, a global provider of high technology solutions to the cellular and broadband communications markets, decided to outsource software development of its multi-technology Base Station Emulator solution to TCS. TCS took complete ownership...

    Provided By Tata Consultancy Services

  • White Papers // Mar 2011

    A Robust Mechanism for Defending Distributed Denial of Service Attacks on Web Servers

    Distributed Denial of Service (DDoS) attacks have emerged as a popular means of causing mass targeted service disruptions, often for extended periods of time. The relative ease and low costs of launching such attacks, supplemented by the current inadequate sate of any viable defense mechanism, have made them one of...

    Provided By Tata Consultancy Services

  • White Papers // Feb 2011

    Verifying Code and Its Optimizations: An Experience Report

    The authors present their experience in formally verifying the correctness of a 200-line industrial C implementation of Cyclic Redundancy Check (CRC) and its optimizations. Their experience indicates that both the specification and verification of even such small code can be hard to automate and needs intense manual effort, and verifying...

    Provided By Tata Consultancy Services

  • Case Studies // Feb 2011

    A Large German Broadcaster Signs on a New NRCS With the Help of TCS

    TCS' client is a large German public broadcaster and a member of ARD, the joint organization of Germany's regional public-service broadcasters. The station wished to replace the stand-alone office software in all its editorial departments with a more modern News Room Computer System (NRCS) for program planning and production. TCS...

    Provided By Tata Consultancy Services

  • White Papers // Jan 2011

    Secure Routing in Wireless Mesh Networks

    Wireless Mesh Networks (WMNs) have emerged as a promising concept to meet the challenges in next-generation networks such as providing flexible, adaptive, and reconfigurable architecture while offering cost-effective solutions to the service providers (Akyildiz et al., 2005). Unlike traditional Wi-Fi networks, with each Access Point (AP) connected to the wired...

    Provided By Tata Consultancy Services

  • Case Studies // Jan 2011

    Leading Indian Private Bank Leverages TCS~ Consulting Expertise to Transform IT to Accelerate Growth

    A leading Indian private bank, wanted to sustain high growth and increase its market share. Aware of the opportunity to use technology to differentiate its services and become the preferred financial services provider, the bank hired the company to devise an IT transformation strategy and roadmap. The authors worked closely...

    Provided By Tata Consultancy Services

  • White Papers // Jan 2011

    A Robust and Secure Aggregation Protocol for Wireless Sensor Networks

    The purpose of a Wireless Sensor Network (WSN) is to provide the users with access to the information of interest from data gathered by spatially distributed sensors. Generally the users require only certain aggregate functions of this distributed data. Computation of this aggregate data under the end-to-end information flow paradigm...

    Provided By Tata Consultancy Services

  • White Papers // Aug 2009

    Access Service Network Gateway in WiMAX

    The high data rate demand for applications such as real-time audio, video, online gaming, service on demand, and live conference has always kept challenges way ahead of available technical dexterity. WiMAX with very high data rate and huge spectral radius along with OFDMA based IP technology is well equipped to...

    Provided By Tata Consultancy Services

  • White Papers // Sep 2009

    LTE-Advanced: Future of Mobile Broadband

    Third Generation Partnership Project (3GPP) a group of telecommunication associations working towards the development and maintenance of a Global System for Mobile communication (GSM) including evolved radio access technologies, has started working on Long-Term Evolution advanced (LTE-Advanced) in order to achieve the requirements of next generation technology. The key goals...

    Provided By Tata Consultancy Services

  • White Papers // Jun 2009

    Leveraging RFID and 2D Barcodes: ePedigree and Beyond

    This paper highlights the drug counterfeit challenges and discusses the approaches to handle "Serialization" through track and trace of drug in supply chain. It provides approach to deploy mass serialization using EPC and carrier technologies like 2D-barcodes and Radio Frequency Identification (RFID). And also provides option to implement solution to...

    Provided By Tata Consultancy Services

  • White Papers // Oct 2008

    Mobile Phone Networks for Communication in Feeder Automation

    The techno-commercial feasibility of using mobile phone networks for Feeder Automation is established. Major utilities in India have conducted pilots and have gone ahead with mass-deployments. The mobile phone networks include several security aspects such as encryption, VPN, firewalls, static IP, passwords etc. which are adequate for any Feeder Automation...

    Provided By Tata Consultancy Services

  • White Papers // Nov 2008

    IPv6 Network Security

    Off late technology has matured and facilitates networking. With data demand increasing exponentially over the networks, security is a rising concern. The data over a network is highly susceptible to risks of both deliberate attacks and unintentional events. However, it also critical in today's business requirements that all networked devices...

    Provided By Tata Consultancy Services

  • White Papers // Jul 2009

    WiMAX Base Station Scheduling Algorithms

    This white paper discusses about the scheduling algorithms for Orthogonal Frequency Division Multiple Access/Time Division Multiple Access (OFDMA/TDMA) based systems, which extends the PF scheme to multiple service types with diverse QoS requirements. Worldwide Interoperability for Microwave Access (WiMAX) is one of the most important broadband wireless technologies and is...

    Provided By Tata Consultancy Services

  • White Papers // Apr 2010

    A Business Intelligence Solution to Improve Educational Standards and Performance for an Australian State Education Authority

    This paper describes the Business Intelligence (BI) solution developed by TCS using SAS9 products for an Australian state education authority. The state education authority was in need of an improved BI solution that would support the decision-making and reporting needs of its many internal and external constituents. One of the...

    Provided By Tata Consultancy Services

  • Case Studies // Oct 2009

    New Business Intelligence And Analytics Solution Has Wide-Reaching Impact On Investment Firm

    The Firm's operations revolve around making a relatively small number of high-value investment decisions, most of which can result in several billion of U.S. dollars being allocated to a given investment deal. Some of this information is based on structured data and some on unstructured content. To support the information...

    Provided By Tata Consultancy Services

  • Case Studies // Apr 2010

    Agilent Drives Efficiency And Enriches Customer Experience Through Up-To-date Price Lists And Product Information

    As the world's leading measurement company, Agilent has been expanding its global presence and growing at a rapid pace with new acquisitions and merger of several business units. The decision to merge business units brought up challenges in terms of alignment of existing CRM applications with the new organizational structure....

    Provided By Tata Consultancy Services

  • Case Studies // Nov 2009

    Electro-Motive Diesel (EMD) Entrusts Its ERP And Engineering Support Functions To TCS

    Electro-Motive Diesel (EMD) is the world's second largest builder of railroad diesel-electric locomotives. EMD relies upon TCS to support its ERP applications and engineering and infrastructure support services and related IT processes. This eliminates challenges in managing a diverse IT landscape spread across multiple geographies, technologies and businesses, reduces the...

    Provided By Tata Consultancy Services

  • Case Studies // Feb 2010

    Large Financial News Provider Strengthens Its Brand Through TCS' Quality Assurance Services

    TCS' client, a leading provider of business news and information, had its finger on the pulse of the global economy. It disseminated this information to end-customers through applications that had to be continuously enhanced to meet the customer demand for round-the-clock updates and services. However, adding new features to applications...

    Provided By Tata Consultancy Services

  • Case Studies // Dec 2009

    A Global Media Company Develops An Online Media Market Place Using TCS' Expertise

    TCS' client, the largest provider of integrated global media content services in the world, wished to leverage the power of collaboration and launch an online global media market place portal to bring buyers and sellers together so that previously less-than-feasible or missed deal opportunities have a platform to be leveraged...

    Provided By Tata Consultancy Services

  • Case Studies // Apr 2010

    A Leading Telecommunications Provider Consolidates And Streamlines Its Infrastructure E2E Testing With The Help Of TCS

    The client is one of the world's leading providers of communications and technology services. It is committed to its mission to offer customers the maximum possible choice, by making available new products and services that would enable communications from anywhere to any device. To make their offerings robust, the company...

    Provided By Tata Consultancy Services

  • Case Studies // Jun 2010

    TCS Supports Cable&Wireless in Implementing Its Fixed Mobile Convergence Solution

    In order to remain competitive in the fast-paced and constantly evolving telecom industry, a service provider must continuously strive to offer innovative products that are both valuable and economical to customers. Cable&Wireless Worldwide, one of the leading communications integrators specialising in the mission critical needs of the largest users of...

    Provided By Tata Consultancy Services

  • White Papers // Feb 2010

    Cloud Computing Strategic Considerations for Banking & Financial Services Institutions

    Cloud computing is the convergence of virtualization, distributed applications, grid, maturity of enterprise software applications and enterprise IT management - to enable a dynamic, flexible and economic approach for deploying and scaling enterprise IT. Cloud computing is tremendously attractive as it enables a fundamental shift from capital intensive focus to...

    Provided By Tata Consultancy Services

  • White Papers // Jan 2010

    Climbing the Cloud in Waves

    Cloud computing is the next big technology in IT. For once, IT can look at real, cost-effective options to respond to business with real-time agility. With the current economic events, most Insurance CIOs are working with their business partners to optimize IT spend. Cloud computing brings with it a promise...

    Provided By Tata Consultancy Services

  • White Papers // May 2009

    Innovating In Customer Relationship Management

    Insures have traditionally adopted three distinct levers for competitive advantage. These include Customer intimacy, Operational Efficiency or Cost Leadership and Product Innovation. Top global Insurance companies are known to be leaders in one of these levers and have thus achieved competitive differentiation. In the current situation of global economic slowdown,...

    Provided By Tata Consultancy Services

  • White Papers // Dec 2009

    Advanced Analytics: Towards Better Business Decision Making In Consumer Packaged Goods (CPG) Industry

    This white paper addresses the business challenges facing Consumer Packaged Goods (CPG) industry and how the challenges can be solved using advanced analytics and how to make an enhanced business decision to get better profitability, boost market share and generate revenue. Advanced analytics help CPG industries to accomplish business goals...

    Provided By Tata Consultancy Services

  • White Papers // Nov 2010

    TCS Windows 7 - Comprehensive Migration Solution

    Windows 7 - Microsoft's latest desktop Operating System (OS) - is emerging as a stable and desirable next generation operating system, that ushers in state of the art technology to help meet ever-increasing and complex business needs. Windows 7 is quickly becoming a corporate desktop OS standard, justifiable as a...

    Provided By Tata Consultancy Services

  • White Papers // Dec 2009

    A Survey on Wireless Communications - Beyond 3G

    Wireless access standards, like most other technological standards, generally evolve during their service life to offer enhanced performance and capabilities. The general impression behind diverse technology "Generations" is that every new generation offers noteworthy "Revolutions" in routine and capabilities compared to its predecessor. This often means that a new "Overlay"...

    Provided By Tata Consultancy Services

  • White Papers // Jan 2011

    An Efficient and User Privacy-Preserving Routing Protocol for Wireless Mesh Networks

    Wireless Mesh Networks (WMNs) have emerged as a key technology for next generation wireless broadband networks showing rapid progress and inspiring numerous compelling applications. A WMN comprises of a set of Mesh Routers (MRs) and Mesh Clients (MCs), where MRs are connected to the Internet backbone through the Internet GateWays...

    Provided By Tata Consultancy Services

  • White Papers // Dec 2010

    Routing Security Issues in Wireless Sensor Networks: Attacks and Defenses

    Wireless Sensor Networks (WSNs) are rapidly emerging as an important new area in wireless and mobile computing research. Applications of WSNs are numerous and growing, and range from indoor deployment scenarios in the home and office to outdoor deployment scenarios in adversary's territory in a tactical battleground (Akyildiz et al.,...

    Provided By Tata Consultancy Services

  • White Papers // Jan 2011

    A Robust and Secure Aggregation Protocol for Wireless Sensor Networks

    The purpose of a Wireless Sensor Network (WSN) is to provide the users with access to the information of interest from data gathered by spatially distributed sensors. Generally the users require only certain aggregate functions of this distributed data. Computation of this aggregate data under the end-to-end information flow paradigm...

    Provided By Tata Consultancy Services

  • White Papers // Jan 2011

    Secure Routing in Wireless Mesh Networks

    Wireless Mesh Networks (WMNs) have emerged as a promising concept to meet the challenges in next-generation networks such as providing flexible, adaptive, and reconfigurable architecture while offering cost-effective solutions to the service providers (Akyildiz et al., 2005). Unlike traditional Wi-Fi networks, with each Access Point (AP) connected to the wired...

    Provided By Tata Consultancy Services

  • White Papers // Mar 2011

    A Robust Mechanism for Defending Distributed Denial of Service Attacks on Web Servers

    Distributed Denial of Service (DDoS) attacks have emerged as a popular means of causing mass targeted service disruptions, often for extended periods of time. The relative ease and low costs of launching such attacks, supplemented by the current inadequate sate of any viable defense mechanism, have made them one of...

    Provided By Tata Consultancy Services

  • White Papers // Jul 2010

    A Robust and Efficient Trust Management Scheme for Peer-to-Peer Networks

    Studies on the large scale Peer-to-Peer (P2P) network like Gnutella have shown the presence of large number of free riders. Moreover, the open and decentralized nature of P2P network is exploited by malicious users who distribute unauthentic or harmful contents. Despite the existence of a number of trust management schemes...

    Provided By Tata Consultancy Services

  • White Papers // Jun 2010

    A Distributed Trust and Reputation Framework for Mobile Ad Hoc Networks

    In a multi-hop Mobile Ad hoc NETwork (MANET), mobile nodes cooperate to form a network without using any infrastructure such as access points or base stations. The mobility of the nodes and the fundamentally limited capacity of the wireless medium, together with wireless transmission effects such as attenuation, multi-path propagation,...

    Provided By Tata Consultancy Services

  • White Papers // May 2010

    A Trust-Based Detection Algorithm of Selfish Packet Dropping Nodes in a Peer-to-Peer Wireless Mesh Network

    Wireless Mesh Networks (WMNs) are evolving as a key technology for next-generation wireless networks showing raid progress and numerous applications. These networks have the potential to provide robust and high throughput data delivery to wireless users. In a WMN, high speed routers equipped with advanced antennas, communicate with each other...

    Provided By Tata Consultancy Services

  • White Papers // Dec 2010

    A Survey on Reputation and Trust-Based Systems for Wireless Communication Networks

    Traditional approach of providing network security has been to borrow tools and mechanisms from cryptography. However, the conventional view of security based on cryptography alone is not sufficient for defending against unique and novel types of misbehavior exhibited by nodes encountered in wireless communication networks. Reputation-based frameworks where nodes maintain...

    Provided By Tata Consultancy Services

  • White Papers // Aug 2009

    A Survey on Wireless Sensor Network Security

    Wireless Sensor Networks (WSNs) have recently attracted a lot of interest in the research community due their wide range of applications. Due to distributed nature of these networks and their deployment in remote areas, these networks are vulnerable to numerous security threats that can adversely affect their proper functioning. This...

    Provided By Tata Consultancy Services

  • Case Studies // Mar 2011

    A Large Fortune 500 Financial Services and Insurance Company Boosts Field Sales' Productivity Through a TCS-Implemented Salesforce.com CRM

    TCS's client is an international financial services company that provides insurance, wealth management, and financial solutions. The company required an on-demand CRM solution that would integrate with its quote generation system as well as provide real-time connectivity to its field sales personnel. TCS supported the company in the migration of...

    Provided By Tata Consultancy Services

  • Case Studies // Mar 2011

    A Leading Telecom Equipment Company Relies on TCS to Support Its Legacy Network and Service Management Systems

    TCS' client, a leading supplier of high-tech equipment for telecommunications networks, turned to TCS for support in managing its legacy network and service management systems. Over the past several years, TCS has taken complete ownership of the legacy network and service management systems on behalf of the company, enabling the...

    Provided By Tata Consultancy Services

  • Case Studies // Mar 2011

    Leading Worldwide Provider of Test and Measurement Outsources Its Product Engineering Requirements to TCS

    In an attempt to remain competitive in the aggressive and rapidly changing test and measurement market, TCS' client, a global provider of high technology solutions to the cellular and broadband communications markets, decided to outsource software development of its multi-technology Base Station Emulator solution to TCS. TCS took complete ownership...

    Provided By Tata Consultancy Services

  • Case Studies // Feb 2011

    A Large German Broadcaster Signs on a New NRCS With the Help of TCS

    TCS' client is a large German public broadcaster and a member of ARD, the joint organization of Germany's regional public-service broadcasters. The station wished to replace the stand-alone office software in all its editorial departments with a more modern News Room Computer System (NRCS) for program planning and production. TCS...

    Provided By Tata Consultancy Services

  • Case Studies // Aug 2010

    TCS Helps Harmony Achieve Business Process Streamlining and Accurate Fiscal Reporting Through Revamp of Their Oracle ERP

    Harmony realized that a re-implementation of Oracle E-business suite was necessary to restore user confidence and to reap the full benefits of the system and become more competitive and agile as a company. Needing a partner who could assure them of success, the company turned to TCS for assistance. The...

    Provided By Tata Consultancy Services

  • Case Studies // Jan 2011

    Leading Indian Private Bank Leverages TCS~ Consulting Expertise to Transform IT to Accelerate Growth

    A leading Indian private bank, wanted to sustain high growth and increase its market share. Aware of the opportunity to use technology to differentiate its services and become the preferred financial services provider, the bank hired the company to devise an IT transformation strategy and roadmap. The authors worked closely...

    Provided By Tata Consultancy Services

  • Case Studies // Jan 2011

    Nature Publishing Group Gains a Dynamic and Highly Interactive Web 2.0 Networking Platform With the Help of TCS

    The Nature Network is the Group's flagship web 2.0 networking site, and the company wished to increase the popularity of the site by enhancing it with advanced Web 2.0 and other social media features. NPG turned to Tata Consultancy Services (TCS) to build a feature-rich website, incorporating various networking and...

    Provided By Tata Consultancy Services

  • Case Studies // Dec 2010

    Allianz Life Insurance Improves Service Levels While Achieving Cost Savings by Outsourcing Operations to TCS

    Allianz Life Insurance Company wished to concentrate on its core business and free up resources to focus on relationship-based activities rather than processing regular transactions. It therefore called on TCS BPO to take on the servicing of all business units, including new business, policy administration, policy holder benefits, claims, and...

    Provided By Tata Consultancy Services

  • Case Studies // Dec 2010

    A Leading Educational Publisher Engages TCS to Provide Production Support and Maintenance to Assessment Program

    TCS' client is a leading educational publisher whose assessment solution helps teachers gauge student performance and deliver tailored instruction to students through online and paper-and-pencil administration options. This solution is part of the company's successful line of digital education solutions that drive student achievement, and the client was committed to...

    Provided By Tata Consultancy Services

  • Case Studies // Dec 2010

    Eaton Corporation Selects TCS for Its ERP (QAD) Development and Support

    Eaton sought to invest in new IT initiatives and other strategic projects that could generate additional revenues and reduce costs along with increasing current capabilities and leverage existing resources. The company decided to engage another resource for the development and support of the MFG/PRO ERP system who could offer a...

    Provided By Tata Consultancy Services