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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10911531 B1

PDFFull Text
Date of Patent:
Feb. 02, 2021

Filed:

Oct. 29, 2018

Multi-tiered server network

Applicant:

Level 3 Communications, Llc, Broomfield, CO (US);

Inventors:

Paul E. Stolorz, Los Altos, CA (US);

John K. Salmon, Chappaqua, NY (US);

Michael S. Warren, Santa Fe, NM (US);

Jeffrey G. Koller, Oxnard, CA (US);

Aric Hagberg, Santa Fe, NM (US);

Maksim Yevmenkin, Thousand Oakds, CA (US);

Mark Brady, Thousand Oaks, CA (US);

David Pfitzner, College Park, AU;

Ted Middleton, Moorpark, CA (US);

Assignee:

Level 3 Communications, LLC, Broomfield, CO (US);

Attorney:
Primary Examiner:

John B Walsh

Int. Cl.
CPC ...
G06F 15/173 (2006.01); H04L 29/08 (2006.01); H04L 29/06 (2006.01); H04L 29/12 (2006.01); H04L 12/24 (2006.01); H04L 12/26 (2006.01); H04W 4/021 (2018.01);
U.S. Cl.
CPC ...
H04L 67/1034 (2013.01); H04L 29/06 (2013.01); H04L 29/12066 (2013.01); H04L 29/12783 (2013.01); H04L 41/069 (2013.01); H04L 41/0631 (2013.01); H04L 41/0893 (2013.01); H04L 41/22 (2013.01); H04L 43/00 (2013.01); H04L 43/04 (2013.01); H04L 61/1511 (2013.01); H04L 61/35 (2013.01); H04L 67/1002 (2013.01); H04L 67/1008 (2013.01); H04L 67/1021 (2013.01); H04L 67/1023 (2013.01); H04L 67/1029 (2013.01); H04L 67/1036 (2013.01); H04L 67/18 (2013.01); H04L 67/26 (2013.01); H04W 4/021 (2013.01); H04L 43/045 (2013.01); H04L 43/06 (2013.01); H04L 43/0811 (2013.01); H04L 43/0817 (2013.01); H04L 43/0852 (2013.01); H04L 43/10 (2013.01); H04L 43/12 (2013.01); H04L 67/02 (2013.01); H04L 67/1031 (2013.01); H04L 69/329 (2013.01);
Abstract

A network includes a first tier of servers, a second tier of servers and a third tier of servers. The first tier of servers comprises a plurality of primary servers capable of responding to requests. The plurality of primary servers includes at least one dynamic server having a load share characteristic that is dynamically altered during a first period in time and at least one static server having a constant load share characteristic during the first period in time. The second tier of servers includes at least two first layer overflow servers. Each of the first layer overflow servers is configured to provide response duties in the event that one or more of the primary servers is unavailable or overloaded. The third tier of servers comprising at least two second layer overflow servers. Each of the second layer overflow servers is configured to provide response duties in the event that one or more of the primary servers is unavailable or overloaded and one or more of the first layer overflow servers is unavailable or overloaded.

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