Instant messaging virtual private networks
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United States of America Patent
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Apr 26, 2016
Grant Date -
Apr 3, 2014
app pub date -
Sep 28, 2012
filing date -
Sep 28, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
According to one embodiment, an apparatus receives a virtual private network (VPN) establishment request and a plurality of packets communicated over at least one first protocol, with the first protocol being at least one of the Session Initiation Protocol, the Open System for Communication in Realtime protocol, and the Extended Messaging and Presence Protocol. The apparatus prioritizes the VPN establishment request over the plurality of packets and communicates a negotiation packet comprising a destination port and a response port. The apparatus receives, over a second communication protocol, a datagram through a communication tunnel established in response to receiving the negotiation packet, wherein the datagram is associated with a payload type, the datagram comprises an encapsulation envelope indicating the payload type, the datagram is received at the destination port, a response to the datagram is communicated to the response port, and the second communication protocol is different from the first protocol.
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