Purpose -The primary purpose of this paper is to develop a context-dependent, multi-perspective and multilevel concept called ''trust'' among supply chain members (SCM); second, to classify trust; third, to classify available literature and finally, to propose areas for future research. The field related to trust among supply chain partners has historically been collected through studies in micro-functional areas. While some effort towards producing a broader organizational perspective has been made, nonetheless, trust in SCM continues to be largely eclectic, with little consensus on its conceptualization and research methodological bases. This paper seeks to clarify aspects of this emerging perspective.Design/methodology/approach -A total of 100 papers/articles were systematically perused and analyzed.Findings -A number of key findings emerged: the field is a relatively ''new'' one for supply chain management; several disciplines claim ownership of the field; consensus is lacking on the definition of the term; research on trust emphasizes to focus on characteristic trust and negligible attention is given to other forms of trust, such as, rational and institutional trust, and decision to trust-required multiple judgments. Contextual focus is mostly on the buyer-supplier trust development and the predominant key perspectives of trust in supply chain relationship are; characteristic trust, rational trust (cost and benefit, dynamic capabilities, technology) and institutional trust/security system; lack of theories related to economic aspect and competitive advantages of trust.Practical implications -This review paper has attempted to identify various conceptual and research methodological characteristics of trust. It has also developed a context to comprehend a multi perspective, multilevel concept called trust for the complex multi-dimensional construct of supply chain partner's relationship.Originality/value -This review may be one of the first to develop a context for multi-perspective multilevel concept and trust among supply chain members.

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Vehicular adhoc networks (VANETS) really are an stimulating technology which innovates to allow the communication among vehicles utilizing side as well as among cars with street area devices on the other side. VANETS provide a large quantity of programs without the help from repaired infrastructure. These programs ahead communicate in a multi-hop fashion. Planning an effective routing method for several VANET programs is extremely hard. Security is an essential matter for routing in VANETS, since various applications will effect life-or-death decisions as well as illegal tampering could have disturbing consequences. The overall objective of this paper is to explore the various routing attacks in VANETs.

Primary purpose of this paper is to apply factor analysis on the data collected for Rational Trust; second by to reduce the data collected to a few factors; third, to propose names of the factors and finally to develop a context-related and multi-perspective concept called 'trust' among supply-chain members. A total of 117 responses of questionnaires were collected and analyzed and a number of key findings emerged. The field is relatively "new" one for supply chain management as consensus is lacking on the definition of the term. Factors loading on Rational Trust emphasize to focus on three factors and the proposed name for the key factors of Rational Trust are Economics of relationships, Dynamic Capabilities of Partners & Technology Adoption.

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