Splitting HTTP requests on two servers

Many techniques are commonly used to increase server availability or for distributing the load among a group of servers. We propose a technique for splitting a single HTTP request that allows a TCP connection to be dynamically split between two Web servers without using a central control. For exampl...

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Bibliographic Details
Main Authors: Rawal, B S, Karne, R K, Wijesinha, A L
Format: Conference Proceeding
Language:English
Subjects:
Application-Object
Bare Machine Computing
IP networks
Kernel
Load management
Local area networks
M-TCP
Protocols
Split TCP Connections
Web server
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Summary:Many techniques are commonly used to increase server availability or for distributing the load among a group of servers. We propose a technique for splitting a single HTTP request that allows a TCP connection to be dynamically split between two Web servers without using a central control. For example, one server can handle connection establishment and closing, while another handles the data transfer. This approach requires no client involvement since the existing connection with the initial server continues to be maintained, and the client is completely unaware of the splitting. We demonstrate the splitting concept in a LAN environment and provide related performance results that highlight several interesting features of splitting. The splitting was done using two bare PC servers with no operating system (OS) or kernel running in the machines. Splitting also works with clients located anywhere on the Internet, although servers have to be located on the same LAN. Our implementation and results indicate the feasibility of splitting TCP connections to transparently redistribute server load without client involvement.
ISSN:2155-2487
2155-2509
DOI:10.1109/COMSNETS.2011.5716484