Method and system for preventing data packet loss in a redundant PDSN environment
作者： Bhaskar Bhupalam , Venkatesh Gota , Karthikeyan Ramanan
DOI:
关键词: Computer network 、 Mathematics 、 Switchover 、 Network packet 、 Real-time computing 、 Sequence (medicine)
摘要: A method and apparatus are provided for preventing data-packet loss upon a switchover from an active to standby PDSN, in redundant PDSN environment. Data-packet is prevented by modifying the checking of sequence number associated with data-packets. The first received used determine order subsequent GRE frames. sends keep-alive packets arbitrary packet control function (PCF). On receiving response PCF, as starting sending Otherwise, modified numbers sent PCF. In synchronized communication sessions between can be disabling switchover. another embodiment, excluding number.
lens.org 参考文章(11)
Jeffrey D. Haag, Ramesh Krishnamurthy, Method and system for stateful switch-over in a high-availability point to point system ,(2002)
Erik Colban, Sanjeevan Sivalingham, Martin Renschler, Providing higher layer frame/packet boundary information in GRE frames ,(2005)
Michael S. Borella, Abhishek Sharma, System and method for packet data serving node load balancing and fault tolerance ,(2002)
David D. Baukus, Ronald Paul Folkes, Thomas L. Watson, Lance Arnold Visser, System and method for TCP connection protection switching ,(2001)
Chandra Warrier, Michael S. Borella, System and method for point-to-point protocol device redundancey ,(2003)
Sanjoy Paul, Sarit Mukherjee, Method and apparatus for providing user identity based routing in a wireless communications environment ,(2002)
Behram Mario Dacosta, David Alan Desch, System and method for dynamic bandwidth estimation of network links ,(2006)
Paul R. Beck, Larry S. Cohen, Method and apparatus for providing an integrated cluster alias address ,(1998)
Howard Rollin Davis, Jamshid Mahdavi, Hilarie Orman, System and method for transparent takeover of TCP connections between servers ,(2002)
Peter J. Hanselmann, TCP sequence number recovery in a redundant forwarding system ,(2001)