Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular node for directing data and applying cryptography
Reexamination Certificate
2007-09-04
2007-09-04
Sheikh, Ayaz (Department: 2131)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular node for directing data and applying cryptography
C709S226000, C713S150000, C380S217000
Reexamination Certificate
active
10206402
ABSTRACT:
Apparatus and methods are provided for multiplexing and selectively encrypting application flows, such as VoIP services, over a pre-allocated bandwidth reservation protocol session. According to one embodiment, a pre-allocated reservation protocol session, such as an RSVP session, is shared by one or more individual application sessions. The reservation protocol session is pre-allocated over a path between a first network device associated with a first user community and a second network device associated with a second user community based upon an estimated usage of the path for individual application sessions between users of the first and second user communities. Subsequently, the one or more individual application sessions are dynamically aggregated by multiplexing application flows associated with the one or more individual application sessions onto the pre-allocated reservation protocol session at the first network device and demultiplexing at the second network device. Additionally, various levels of security may be selectively applied to the application sessions by performing encryption at the first network device and decryption at the second network device.
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Besrour Saoussen
Lipton, Weinberger & Husick
Sheikh Ayaz
Tankha Ash
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