When subsequent requests for the same content are made by client computers, the clients download from the server instead of the actual content. Content information consists of hashes that are calculated using chunks of the original content, and are extremely small compared to the content in the original data. This model has also improved the internal customer experience with better application compatibility, performance, and up-time consistency when new technology deploys. Microsoft IT maintains an extensive portfolio of critical, LOB applications that require testing before new technology deploys. Branch Cache increases end user productivity by improving content query response times for clients and servers in branch offices, and can also help improve network performance by reducing traffic over WAN links. Branch Cache has two modes of operation: distributed cache mode and hosted cache mode.
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