A virtual private system (VPN) broadens a private system over an open system and potentiates clients to send and get information across shared or open systems as though their processing contrivances were straightforwardly associated with the private system. Applications stumbling into a VPN may in this way profit by the usefulness, security, and the executives of the private system. Encryption is a typical, in spite of the fact that not a characteristic, some portion of a VPN sodality. VPN innovation was engendered to give access to corporate applications and assets to remote or multifarious clients, and to branch workplaces. For security, the private system sodality might be set up utilizing a scrambled layered burrowing convention, and clients might be required to pass different validation strategies to access the VPN. In different applications, Internet clients may bulwark their sodalities with a VPN to eschew geo-circumscriptions and oversight or to interface with intermediary servers to ascertain individual personality and area to remain cryptic on the Internet. A few sites, be that as it may, square access to kenned VPN innovation to forestall the circumvention of their geo-constraints, and numerous VPN suppliers have been engendering procedures to bypass these bars. A VPN is made by establishing a virtual point-to-point sodality utilizing committed circuits or with burrowing conventions over subsisting systems. A VPN accessible from the open Internet can give a portion of the advantages of a wide territory organize (WAN). From a client perspective, the assets accessible inside the private system can be gotten to remotely. To increment the overtness and facilitate of avail of open access scientific and scholarly journals top online publishing journals are indexed in different indexing and archiving accommodations. Indexing provides facile access of the article online. The top online publishing journals publish articles which are cited as references by many authors in their work. Citations are consequential for a journal to get impact factor. Impact factor is a quantification reflecting the average number of citations to recent articles published in the journal. The impact of the journal is influenced by impact factor, the journals with high impact factor are considered more paramount than those with lower ones. Indexing provides facile access of the article online. The international journals are among the best open access journals in the world, set out to publish the most comprehensive, germane and reliable information predicated on the current research and development on a variety of subjects. This information can be published in our peer reviewed journal with impact factors and are calculated utilizing citations not only from research articles but withal review articles (which incline to receive more citations), editorials, letters, meeting abstracts, short communications, and case reports. The inclusion of these publications provides the opportunity for editors and publishers to manipulate the ratio used to calculate the impact factor and endeavor to increment their number expeditiously. Impact factor plays a major role for the particular journal.