System and method for preventing throughput depression in...

Details System and method for preventing throughput depression in... System and method for preventing throughput depression in...

2008-09-30

2010-12-07

Wang, Liangche A (Department: 2453)

Electrical computers and digital processing systems: multicomput

Distributed data processing

Processing agent

C709S203000, C709S217000, C709S218000, C709S219000, C709S220000, C709S223000, C709S227000

Reexamination Certificate

active

07849129

ABSTRACT:
To solve the problem of TCP timeout between NAS head and NAS client caused by the time required for disk drive power on, agent is installed on NAS client and a window size control program is installed on NAS head. The window size control program requests storing TCP/IP window size information at the agent at execution of the disk drive power on operation. After the disk drive power on operation completes, the window size control program requests restoring of TCP/IP window size on NAS client using the window size information stored in the agent. In another implementation, no agent is installed on NAS client. Rather, TCP/IP programs in both NAS client and NAS head are appropriately modified. The window size control program on NAS head issues a request to close TCP/IP session to TCP/IP program on the NAS client at the execution of the disk drive power off operation. After TCP connection is closed by TCP/IP program on the NAS head, the NFS program and TCP/IP program on NAS client tries to reestablish TCP/IP connection with NAS head. At that time, TCP/IP program on NAS client sets large initial send window size, and TCP/IP program on NAS head sends a large receive window size. After that, new session starts with large TCP/IP window size.

REFERENCES:
patent: 2007/0067560 (2007-03-01), Anzai et al.
Colarelli, Grunwald and Neufeld, The case of massive arrays of idle disks (MAID), USENIX FAST'02, Jan. 7, 2002.

Affiliated with

Also associated with

Rating

System and method for preventing throughput depression in... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with System and method for preventing throughput depression in..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System and method for preventing throughput depression in... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4164409