Blubster is based on the MANOLITO protocol developed by Pablo Soto. Influenced by both Gnutella v0.4 and the UDP protocol, Pablo learned from the mistakes they made and created a whole new form of p2p file sharing.

To understand these innovations let´s look at the problems faced by Gnutella users. Gnutella is not a democratic way of sharing, it is flooded by ''free riders'', in other words 70% of users do not share any of their files.

About 50% of file sharing on Gnutella is done by the top 1% of users, this leads to an inequality in sharing and is ultimately detrimental to a p2p network. However, this is not the only problem that current p2p protocols suffer from. Traffic flooding, lack of metadata concepts and scalability problems.

MANOLITO is based on top of the UDP transport protocol. This is a great advantage over TCP/IP for two very significant reasons.

• Firstly, with the TCP protocol, by the time the sender has discovered and retransmitted a lost packet, several round trip times have passed by. In the mean time, the receiver uses up all the contents of its buffer and experiences stoppage. Even if the lost packets arrive later, real-time nature of the application specifies that the client disregard the late packets, and move on to packets that were send later, making retransmission pointless. In addition, TCP has a flaw in it's congestion control, which slows down the transmission rate when a host encounters congestion on a network.
• Secondly UDP allows the fastest and most simple way of transmitting data to the receiver. There is no interference in the stream of data that can be possibly avoided. This provides the way for an application to get as close to meeting real-time constraints as possible.

MANOLITO has many other benefits over its competitors. New features can be constantly added to the protocol, giving users access to increased functionality with full backward compatibility, over unlimited content and connections.

Blubster also makes use of some clever tricks in how it uses the MANOLITO protocol. Blubster runs through gateways, in webpages that contain peer lists. These are very simple and allow Blubster to maintain gateways around the world in case some servers are shut down. Remember, unlike our competitors, MANOLITO is not server based at all. MANOLITO is true p2p.

Blubster also makes use of a unique method called ''Smart Caching''. Blubster uses compression technology to save thousands of IP addresses in an encrypted cache. MANOLITO is capable of testing up to 15,000 hosts per second, thus the look-up of peers and connection speed is much faster than the traditional TCP/IP protocol. Basically, if you don´t get the results that you are looking for during a search within a few seconds, it isn't out there. It is THAT fast.

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