Topic Essay Example | Topics and Well Written Essays - 1000 words

Topic - Essay Example The paradigm can be categorized into two functional parts: information retrieval and information dissemination or exposure. CCN directly routes and delivers pieces of content at the packet level of the network, allowing automatic and application-neutral caching in memory wherever situated in the network (Karl, and Andreas 331). This yields to efficient and effective delivery of content when required. Given that the architecture allows caching effects as an automatic consequence of packet delivery, memory can be utilized without building costly application-level caching services. Why do we need content-centric networking (CCN)? CCN’s security model centers on explicitly securing the content itself rather than endpoints, whereby packets travelling across the network content can be safeguarded against from alteration, damage, or snooping from unauthorized parties. Name data networking or content-centric networking represents an alternative approach to the architecture of computer networks. CCN draws from the principle that a communication network ought to allow a user to focus on the data that one needs instead of having to reference an explicit, physical location where the data is to be retrieved (Wang, Chen, Zhou, and Qin 93). The modern internet architecture centers on a host-based conversation model generated to enable geographically distributed users to utilize a number of significant, immobile computers. The content-centric networking pursues to adapt the network architecture to match the present network usage patterns. Content-centric networking presents a broad range of benefits such as content caching to minimize congestion and enhance delivery speed. CCN also allows simpler configuration of network devices, besides building security into the network at the data level; nevertheless, the change of communication paradigm may present challenges for network activities such as real-time multimedia applications (Karl, and Andreas 332). Recent research ha s demonstrated that such applications may be feasible. Moreover, building content routers that back content-centric networking at high speed remains an open problem to crack. How it works Application-layer designs forms the basis of content-centric interface. This presents benefits such as easier deployment, improved flexible delivery, and effortless backwards compatibility. The present internet establishment features a tree of physical equipment to link streams of packets from any leaf to another. The present system can be regarded as efficient for communication, but not for distribution. The overall proposal of content-specific networking appreciates that a significant amount of information produced once, and then repeated numerous times. Hence, it is sensible to distribute the copying of any correlated activities into the networks’ tree of equipment. In most of the instances, significant storage exist, and could be utilized more efficiently in the event that it could recog nize certain content and only remain with one copy of it. The structure of the network equipment (tree shape) scales content delivery to match the size of the audience and minimize up-stream equipment to the minimum required to generate the content. CCN utilizes a practical data storage cache at every level of the network, which in turn, dramatically minimizes the transmission traffic,