Archive for June, 2009
Kayak to Bing: Stop Copying Us!
Tuesday, June 30, 2009 11:41 6 CommentsKayak, the popular multi-airline airfare search engine, thinks Microsoft Bing’s new travel search engine looks so much like its own that it’s confusing Kayak users. The travel search company sent Microsoft a legal letter last week telling them to cut it out. Microsoft heralded its travel search as one of the key ways that its [...]
Comparison Between OSI And TCP / IP
Wednesday, June 3, 2009 2:46 2 CommentsIn the TCP/IP model of the Internet, protocols are deliberately not as rigidly designed into strict layers as the OSI model. Compare reference models, not the protocol stacks. Differentiate Services, Interfaces, Protocols. Attachment to protocols. Number of layers. Connectionless vs. connection oriented TCP is typically used by applications that require guaranteed delivery. It is a [...]
The Open System Interconnection (OSI) Reference Model
Wednesday, June 3, 2009 2:35 No CommentsModels are useful because they help us understand difficult concepts and complicated systems. When it comes to networking, there are several models that are used to explain the roles played by various technologies, and how they interact. Of these, the most popular and commonly used is the Open Systems Interconnection (OSI) Reference Model. Definition: An [...]
Transmission Control Protocol / Internet Protocol (TCP / IP)
Wednesday, June 3, 2009 2:03 No CommentsTCP/IP (Transmission Control Protocol/Internet Protocol) is the basic communication language or protocol of the Internet. It can also be used as a communications protocol in a private network (either an intranet or an extranet). TCP/IP Model Layers The TCP/IP model uses four layers that logically span the equivalent of the top six layers of the [...]