Research Article
a
August
2018
Computer Science and Software Engineering
ISSN: 2277-128X (Volume-8, Issue-8)
Security through ADHOC Network for Ubiquitions
Technologies in Computing
Kailash Aseri
Research Scholar,
Jodhpur National University, Jodhpur, Rajasthan, India
Email- [email protected]
Abstract: This paper examinessecurity through adhoc network for ubiquitions technologies in computing. The meaning of specially appointed systems and its applications, also the paper plunges somewhat more profound into how directing is dealt with in adhoc networks and depicts Security through ADHOC Network for UBIQUITIONS Technologies in Computing and several diverse routing techniques. The paper examines routing strategies from two alternate points of view position based and versatile in each of these two classes it portrays a few unique techniques in more detail. At long last the paper quickly talks about security issues identified with routing conventions this is planned to give the peruser a look of which security issues emerges in the outline of specially appointed systems.
Keywords: Ad hoc networks, Adaptive routing, position based routing, Ad hoc routing protocol, and attacks
I. INTRODUCTION
Many protocols are designed to ad hoc networks security issues in order to prevent unauthorizedcomputing at nodes in ad hoc networks usually have. The different security services provided in ad hoc networks can be classified according to the type of security offered. This security services deployed on top of ad hoc networks are as-
Intrusion Detection: Several works have addressed the intrusion detection by forcing nodes to cooperate in monitoring the network, gathering audit data and analyzing it by applying certain behavior patterns and statistical formulas. This type of service is usually implemented on a cluster-based ad hoc architecture.
Privacy: Privacy protection is usually applied to the routing process, protecting the sensitive information of senders, receivers and/or forwarders. But it can also be layered on top of any other process like the authentication one.
Confidentiality: Confidentiality services prevent nodes from disclosing messages not intended for them. Integrity and Non-repudiation: Most of the services providing integrity and non-repudiation in ad hoc networks are based on traditional digital signatures, which are non-cooperative.
Authentication: Authentication services allow nodes to prove to other nodes that they are who they claim to be. Notice that this type of service can be applied to admission control but it is not an admission control service itself.
1.1 Ubiquitous computing
Ubiquitous computing is viewed less as a discrete field of technology, but rather as an emerging application of information and communications technology that is integrated into the everyday world more than ever before. The goal is to meet the claim of “everything, always, everywhere” for data processing and transmission through the ubiquity of ICT systems [1]. The following characteristics define this application paradigm: (i) miniaturization: ICT components are becoming smaller and more mobile,
(ii) Embedding: as ICT components are integrated into everyday objects, they transform them into smart objects, (iii) Networking: ICT components are linked to each other and communicate generally via radio; they are therefore
not part of a fixed environment or application, but are instead designed to form networks spontaneously, (iv) Ubiquity: while embedded ICT components are increasingly ubiquitous, they are at the same time increasingly
less noticeable - or even invisible - to most people,
(v) Context -awareness: ICT components use sensors and communication to collect information about their users and environment and adjust their behavior accordingly [2].
ISSN(E): 2277-128X, ISSN(P): 2277-6451, pp. 120-124 communications system. Ubiquitous computing will drastically change the ways in which we use computers. As computers are integrated into everyday objects, they will no longer be perceived as such and their usage will recede largely from our conscious perception. In ubiquitous computing, a variety of processes run automatically in the background and interacts on behalf of the user. The user does not have to provide explicit instructions or make decisions. Ubiquitous computing involves smart environments that are envisioned as an individual‟s cooperative partner. However, the seeming disappearance of the computer together with the delegation of complex processes or tasks to a ubiquitous ICT infrastructure raises serious questions. How secure are these systems? How can one determine whether they act truly on behalf of their respective users? How will the enormous amounts of data generated by these processes be handled?
This paper examines the projected technological development of ubiquitous computing, its socio-economic impact and the potential dangers to security, privacy and safety. In addition, the paper presents a detailed discussion on the security issues in ubiquitous computing, which is based on three scenarios.
II. REVIEW OF LITERATURES
Chalasani and Conrad, (2008)Alcañiz and Rey, (2005): In the field of microelectronics, it can be assumed that, according to Moore‟s Law, in the coming 10 to 15 years, logic and memory elements will become even smaller, more powerful and cheaper at the same time. New materials such as semi-conducting polymers help to ensure that electronic systems will be embedded in almost all conceivable objects and require less energy to operate.
Lagasse and Moermann, (2005):Communication technology, in particular mobile communication, is considered the key technology in ubiquitous computing. Here it is to be expected that besides the „„classical” technologies like the Ethernet or UMTS, increasingly self-organizing ad hoc networks and a number of powerful, close-range technologies will occur. Among the important technologies of the personal area networks belong primarily near field communication (NFC) and ultra-wide band technology (UWB), which enable a secure broadband transmission, as will be common in the future in the data exchange between the end devices and between terminal devices and communication infrastructure.
Wasinger and Wahlster, (2005):In order to be able to interact with invisible, embedded information systems, innovative user interfaces are necessary which permit a „„natural” interaction (e.g., by speech or physical interaction). The new type of interaction includes also the automatic capture of the context, which is not just about the registration of external parameters (e.g., location), but increasingly also to identify the user‟s emotional states or his intended actions (e.g., the automatic recognition of critical situations in medical monitoring systems). Only with the most accurate knowledge of each context is it possible to offer services in response to individual locations and situations and to delegate certain tasks completely to technology.
Garfinkel and Rosenberg, (2006):For context detection, powerful, light and cheap sensors are required, which are even today used in some pilot applications (e.g., in monitoring cold chains). Promising for the future are also so -called sensor networks, i.e., sensors with communication capabilities, which more or less autonomously monitor their surroundings and transmit the registered data regularly or on request to the operator/user Fuji, 2008, 2009. Radio frequency identification (RFID) is the most common technique for identifying and localizing objects from a distance.
Want, 2006; Garfinkel and Holtzman, (2006):On the RFID chip, a unique identification number and further information can be saved or read and vice versa; up to several hundred bits of information can be stored wirelessly on the chip. This takes place in split seconds and at a distance of up to several meters. Today, RFID chips including a paper-thin antenna (together called RFID transponders) cost between a few cents and more than EUR 100, according to their performance. The RFID technology is being driven by possible applications in the field of logistics: if products can automatically reveal their identity on demand, then a continuous tracking and tracing of the flow of goods throughout the complete supply chain without manual interventions can be guaranteed. In addition to the identification number on the RFID chip, further information pertaining to an object can be saved in a remote database. Thus, after the identification number is read, this additional information can be retrieved via a mobile or fixed connection, so that any amount of detailed information can be „„attached” to things or persons. This opens up application possibilities, which extend far beyond an automatic storage system and a monitoring of supply chains. Even if the basic principle of automatic identification by means of RFID is relatively simple.
Erdmann et al., (2009):Questions of information security are of paramount importance for the users of RFID, because although RFID systems should be open in order to utilize network effects, they can also allow access to security-essential or competition-critical information.
ISSN(E): 2277-128X, ISSN(P): 2277-6451, pp. 120-124
III. UBIQUITOUS COMPUTER TECHNOLOGY
The vision of ubiquitous computing is grounded in the firm belief amongst the scientific community that Moore‟s Law, drawn up in the late 1960s by Gordon Moore [11] (which states that the number of transistors per chip, and consequently the power of microprocessors, doubles about every 18 months) will hold true for at least another 10 to 15 years. This means that in the next few years, microprocessors will become so small and inexpensive that they can be embedded in almost everything – not only electrical devices, cars, household appliances, toys, and tools, but also such mundane things as pencils (e.g., to digitize everything we draw) and clothes. In fact, technology is expected to make further dramatic improvements, which means that eventually billions of tiny and mobile processors will occupy the environment and be incorporated into many objects of the physical world. All these devices will be interwoven and connected together by wireless networks. The effects of rapid progress in microelectronics and the convergence of communications and information technology can best be demonstrated using the example of mobile phones. A few years ago, mobile phones were still so big, expensive, and limited in their functionality that they didn't sell very well and were often used more as a status symbol than a practical tool. This has changed very rapidly. Many users have grown so accustomed to mobile phones and adapted their professional or even private lives to them that they can't imagine life without this technology. Parallel to this development, within a short period of time the mobile phone has become a device that offers more than just the pure functionality of voice transmission. The SMS short messaging system has become a completely unexpected success. Cameras and colored displays, which permit the viewing of forwarded photos and video clips, are now being integrated into most mobile phones. The same applies to functionality that offers high-quality music reproduction. Another additional function is connection to the Internet. Mobile phones are now fully functional computers with the capability to execute Java programs, even those they receive wirelessly. All this opens up a whole new world of application possibilities. The functionality of mobile phones is currently expanding in different directions. So-called smartphones, for example, take on the role of Personal Digital Assistants, with notepad and appointment scheduling functions. Another option is to add localization functionality. Already now, mobile phones can be localized to within a few hundred meters. By using satellite-supported GPS systems or new 3G synchronization means, localization can be as exact as about 15 meters outside buildings. Providing mobile phones with additional short-range radio interfaces (such as WLAN, Bluetooth, or ZigBee) is yet another option. It means that other personal devices belonging to the user can also profit from the communication and localization abilities of the mobile phone. The mobile phone then becomes a personal base station and control center for a variety of other devices and “smart objects” nearby. Mobile phones and PDAs with Internet connections, small cameras, and localization capabilities that are able to communicate with their environment are only the first indicators of the dawning of a “post-PC era,” which is characterized by the virtually total networking of technical devices and computerized everyday objects. This era was once described by former IBM Chairman Lou Gerstner as follows: “A billion people interacting with a million e-businesses through a trillion interconnected intelligent devices.”
IV. PRIVACYIMPACT OFUBIQUITOUS COMPUTING
Ubiquitous computing will permeate everyday life – both private and working – and is therefore expected to have far-reaching consequences that will be reflected in a variety of socio-economic contexts. Both positive and negative effects are likely in equal measure at several levels. Safety and privacy, for example, make up two ends of one key pole. The following discussion presents the impact of ubiquitous computing in terms of privacy, economics, society and the digital divide [1].
Impact on privacy: in terms of privacy, slightly positive effects are expected for the application fields of security, medicine and production; moderately negative effects are expected in other application contexts. A ubiquitous computing design for privacy that conforms to data protection standards is regarded as a requirement for ensuring privacy and is preferred to the downstream concept of context-dependent data protection filters (digital bubbles). Only a system architecture that protects privacy from the outset can prevent serious conflicts in data protection from developing. In the use and processing of data, rendering all steps in the process visible and logically comprehensible seems to be of less importance. Far more crucial is a user‟s explicit trust in a particular ubiquitous computing system that the service provider will handle personal data responsibly. Apart from this concern, there is the danger that frequent use of a ubiquitous computing application could potentially lead to the inattentive handling.
V. UBIQUITOUS COMPUTING SECURITY
ISSN(E): 2277-128X, ISSN(P): 2277-6451, pp. 120-124 control and correction within IT systems will not apply here. Protecting system security in ubiquitous computing is therefore very important [1]. This includes security, privacy and safety. Security involves preventing unauthorized persons from viewing and therefore potentially manipulating confidential data. Likewise, communication must remain confidential and may not be interfered with. The meeting of digital identities must be at least as trustworthy as meeting in person. Known and tested security technologies and methods are already available. However, theyneed to be adapted to the peculiarities of ubiquitous computing–especially the frequent limited performance of smart object hardware and to the marked decentralization of infrastructure, services and objects. There is an inherent conflict between the goal of ubiquitous computing of accurately identifying persons, objects and messages (authenticity), and the desire for anonymity – to prevent data trails from the outset. This problem can be to some extent addressed through digital pseudonym technology. In addition, the competing security goals of authenticity and anonymity must be considered individually for each application. Ubiquitous computing will see the accumulation of vast amount of data that can provide a comprehensive overview of an individual, his or her behavior, finances and health. These huge sets of data and the spontaneous networking of smart objects will make it impossible for the user of ubiquitous computing to trace where his personal data are stored, how they are used and how they might be combined with other data. In ubiquitous computing, data protection is therefore an essential requirement for protecting privacy. The networking of ubiquitous computing is not limited to individual states because several services will not fully evolve until they are made available across borders. This internationalization requires standardized international regulations guaranteeing privacy protection. Currently, there are highly disparate approaches to preserving the private sphere in the digital world. These differences are illustrated clearly by the gap between Europe‟s strict legal regulations and the comparatively open, self-regulatory approach in the United States. The global networking of smart objects and services, which is anticipated in the long run, will necessitate the creation of a standardized international regulatory regime for data protection in ubiquitous computing. The invisible nature of ubiquitous computing and the complexity of its networking could mean that system failures and malicious interference may go unnoticed, or are noticed much later. In some ubiquitous computing applications – such as medicine, traffic system control or in self-organized production lines – this could put human lives in danger and lead to extensive property damage. In applications where safety is crucial, the reliability of ubiquitous computing is essential. It must be guaranteed, for example, with system redundancy or a backup system [1].
VI. CONCLUSION
The technology trend is pointing quite clearly towards continued information of the world. It is clear, however, that we are moving only gradually towards the ultimate vision of ubiquitous computing where inanimate everyday objects communicate and cooperate. Much remains to be done and already from a technical viewpoint there are many challenges to consider – the energy supply for smart objects, communications standards, and much more besides. Furthermore, a considerable infrastructure would have to be implemented before the vision could become a reality.
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