Multichassis Multilink PPP allows PPP to spread across multiple computers, increasing bandwidth. ISPs use it to manage available PPP connections and distribute access to users. It consolidates resources into one stream of bandwidth while being managed across multiple servers.
MultiChassis multilink PPP is an expansion of Multilink PPP that allows the PPP protocol to spread between computers. Point-to-Point Protocol (PPP) is designed to allow one computer to communicate with another computer over a specified port and connection. Many Internet Service Providers (ISPs) use this type of connection for their dial-up customers to establish a connection.
Multilink PPP allows your computer to combine multiple ports to increase the bandwidth of a connection. For example, if a computer could combine two network connections at 10 Mbps each, the total bandwidth available to that computer would be 20 Mbps.
This is the same concept used in Multichassis Multilink PPP, except that multilink connections can be distributed across computer hardware. This allows an ISP to better leverage the power of the computers in their data center because the operation can run across multiple PCs rather than just within a single PC.
A dial-up PPP connection using multipoint will use more bandwidth than the same dial-up connection using PPP. It is likely that the service or computers this dial-up connection goes to are using Multichassis Multilink PPP because multiple computers will be used to control the connection, reducing the likelihood of a single point of failure.
The connection is still a point-to-point connection, which means that if the modem or connecting device on either end of the link drops or goes offline, the connection will be dropped. Multichassis Multilink PPP is simply a way to manage available PPP connections.
Another example with a dial-up ISP would be its modem pool. The ISP may publish a dial-up number for a community, when customers dial the number to connect the access servers that authenticate and control the connection will probably manage the connection with a configuration of servers configured for multilink PPP. This will allow them to distribute access to all users accessing their service and reduce any degradation due to lack of management of available bandwidth.
The purpose of Multichassis Multilink PPP is to allow resources for a connection protocol, PPP, to be consolidated into one stream of bandwidth while being managed across multiple servers. This will allow an ISP to split the bandwidth of the pipe to the Internet across several individual PPP connections and be used by many more customers.
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