Mid-call redirection of traffic through application-layer gateways

A method and apparatus are disclosed for redirecting traffic associated with an application so that the traffic advantageously traverses (or "hairpins") through an application-layer gateway. Because the present invention advantageously redirects traffic without any participation by routers...

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Main Authors KRISHNAKUMAR, ANJUR SUNDARESAN, MELOCHE, JEAN, BOYLE, FRANK JOHN III, KAROL, MARK JOHN, KRISHNAN, PARAMESHWARAN, KARACALL-AKYAMAC, BENGI
Format Patent
LanguageEnglish
French
German
Published 11.11.2009
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Abstract A method and apparatus are disclosed for redirecting traffic associated with an application so that the traffic advantageously traverses (or "hairpins") through an application-layer gateway. Because the present invention advantageously redirects traffic without any participation by routers, no changes to or replacement of routers in a network is required. The illustrative embodiment is disclosed in the context of Internet telephony, but is also applicable to other kinds of applications and types of communication ( e . g ., Internet Protocol Television [IPTV], instant messaging [IM], videoconferencing, etc .)
AbstractList A method and apparatus are disclosed for redirecting traffic associated with an application so that the traffic advantageously traverses (or "hairpins") through an application-layer gateway. Because the present invention advantageously redirects traffic without any participation by routers, no changes to or replacement of routers in a network is required. The illustrative embodiment is disclosed in the context of Internet telephony, but is also applicable to other kinds of applications and types of communication ( e . g ., Internet Protocol Television [IPTV], instant messaging [IM], videoconferencing, etc .)
Author KAROL, MARK JOHN
KARACALL-AKYAMAC, BENGI
KRISHNAKUMAR, ANJUR SUNDARESAN
KRISHNAN, PARAMESHWARAN
BOYLE, FRANK JOHN III
MELOCHE, JEAN
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DocumentTitleAlternate Umleitung von Verkehr bei einem Anruf durch Anwendungsschicht-Gateways (ALG)
Rédirection du trafic en cours d'appel via des passerelles à couche d'application
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Snippet A method and apparatus are disclosed for redirecting traffic associated with an application so that the traffic advantageously traverses (or "hairpins")...
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SubjectTerms ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
Title Mid-call redirection of traffic through application-layer gateways
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