Bonfring International Journal of Software Engineering and Soft Computing, Vol. 6, Special Issue, October 2016 37 ISSN 2277-5099 | © 2016 Bonfring Abstract--- From the last thirty years the trends within the Computing trade is towards Distributed, low price unit, and high unit volume product. additional computer code development activity is changing into a lot of decentralized thereby increasing more development efforts for organizations. The performance of system has enhanced drastically with the inclusion of data processing and Multi computing. This paper presents a scientific literature review on the problems, Recent Innovations, Challenges and advantages of Distributed Systems. With AN example. This paper presents a the safety problems related to those systems. Four usually used distributed systems were thought-about for careful analysis in terms of technologies concerned, security problems sweet-faced by them and resolution projected to avoid those problems. Finally the safety problems and also the solutions were summarized and compared with one another. This paper is additionally aimed to grant a report on the Distributed Computing Technologies in activity. Keywords--- Alchemi, Computing Clusters, Distributed Systems, Distributed Storage System Security, Grid System Security. I. INTRODUCTION HE planet Wide net is employed by countless people everyday for numerous functions as well as email, reading news, downloading music, on-line shopping or just accessing information regarding something. employing a customary application program, the user will access info hold on on net servers placed any place on the world. This offers the illusion that each one this info is placed domestically on the user’s pc. In reality, the net represents an enormous distributed system that seems as one resource to the user out there at the press of a button. There square measure many definitions and examine points on what distributed systems are. Coulouris defines a distributed system as “a system within which hardware or software system parts settled at networked computers communicate and coordinate their actions only by message passing” [1]; and Tanenbaum defines it as “A assortment of freelance computers that seem to the users of the system as one computer” [2]. Leslie Lamport – S.G. Bhagwath Research scholar, KLSGIT. Dr. Mallikarjun Math, Professor in CSE, KLSGIT. DOI:10.9756/BIJSESC.8239 a noted scientist on temporal arrangement, message ordering, and clock synchronization in distributed systems once aforementioned that “A distributed system is one on that I cannot get any work done as a result of some machine I even have never detected of has crashed“ reflective on the large range of challenges faced by distributed system designers. Despite these challenges, the advantages of distributed systems and applications are many, creating it worthy to pursue. Various styles of distributed systems and applications are developed and square measure getting used extensively within the universe. during this article, we tend to gift the most characteristics of distributed systems and appearance at a number of the challenges that square measure faced by designers and implementers of such systems, and additionally introduce an example distributed system.. II. MAIN OPTIONS AND ADVANTAGES OF A DISTRIBUTED SYSTEM A common idea among individuals once discussing distributed systems is that it's simply another name for a network of computers. However, this overlooks a crucial distinction. A distributed system is made on prime of a network and tries to cover the existence of multiple autonomous computers. It seems as one entity providing the user with no matter services area unit needed. A network could be a medium for interconnecting entities (such as computers and devices) enabling the exchange of messages supported well-known protocols between these entities, that area unit expressly available (using Associate in Nursing IP address, for example). There area unit numerous forms of distributed systems, Clusters [3], Grids [4], P2P (Peer-to-Peer) networks [5], distributed storage systems then on Units. A cluster could be a dedicated cluster of interconnected computers that seems as one super-computer, typically utilized in high performance scientific engineering and business applications. A grid could be a kind of distributed system that permits coordinated sharing and aggregation of distributed, autonomous, heterogeneous resources supported users’ QoS (Quality of Service) necessities. Grids area unit unremarkably wont to support applications rising within the areas of e-Science and e-Business, that unremarkable geographically distributed communities of individuals World Health Organization interact in cooperative activities to resolve massive scale issues and need sharing of as Distributed Systems and Recent Innovations: Challenges Benefits and Security Issues in Distributed Systems. S.G. Bhagwath and Dr. Mallikarjun Math T