an intermediate broadband service sold by BT Wholesale to ISPs and its own retail arms BT Broadband and BT Retail to sell on to consumers, which is essentially a resale service. Parameters such as speed and quality of service are under BTâ€(tm)s control.

IPstream is a broadband Internet service offered by BT in the United Kingdom. It is a wholesale service. To the end customer, an IPstream connection means BT have sold bandwidth to a provider that in turn resells it to the consumer over the BT network.

IPStream: C++ crossplatform library for working with TCP/UDP protocols. Library is multithreaded and relies on set of Boost libraries for this . It makes work with TCP/UDP easier due to serialization operators usage.