You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "which came first tcp/ip or osi?" whose answer is TCP/IP.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when were TCP/IP and OSI model developed
Useful Output:

Doc 1: So in the early 1970s, a group of scientists sat together and came up with a new protocol called TCP/IP. It is a universal protocol that allows
Doc 2: In IBM, from 1984, Barry Appelman's group did TCP/IP development.  The link layer in the TCP/IP model has corresponding functions in Layer 2 of the OSI model.
Doc 3: As we demonstrate in this article, the OSI and TCP/IP models were created in order to organize and standardize the different processes involved
Doc 4: In this post, we'll explore the key differences and similarities between the OSI and TCP/IP models, and discuss their importance in modern networking.
Doc 5: Developed by the DoD, the TCP/IP model predates the OSI model and has become the de facto standard for internet communication. The OSI model was developed