Week 7 Lab Essay

669 words - 3 pages

ITT Tech |
Week 7 Comparison of RADIUS and DIAMETER
[Type the document subtitle] |

Jackie Cooper

Remote Authentication Dial In User Service (RADIUS) is a networking protocol that provides centralized Authentication, Authorization, and Accounting (AAA) management for users that connect and use a network service. RADIUS was developed by Livingston Enterprises, Inc. in 1991 as an access server authentication and accounting protocol and later brought into the Internet Engineering Task Force (IETF) standards.
Because of the broad support and the ubiquitous nature of the RADIUS protocol, it is often used by ISPs and enterprises to manage access to the Internet or ...view middle of the document...

255) in its attribute header | Reserves 2 bytes for its length of a data field (max. 16535) |
Inefficient retransmission algorithm | Only 1 byte as identifier field to identify retransmissions. This limits the number of requests that can be pending (max. 255) | Reserved 4 bytes for this purpose (max. 2^32) |
Inability to control flow to servers | Operates over User Datagram Protocol (UDP) and has no standard scheme to regulate UDP flow | Scheme that regulates the flow of UDP packets (windowing scheme) |
End-to-end message acknowledgment | Client expects a successful or failed response after a request, but does not know whether the server has received the request | Client expects a success of failed response or an acknowledgment of the received request by the server |
Silent discarding of packets | Packets that do not contain the expected information, or that have errors, are silently discarded. This might cause the client to operate as if the server is down because it does not receive any response. It would then try to send packets to a secondary server | Server can notify the client of problem by sending an error message |
No failover server support | Server has no way of...

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