Obtaining Erasure-Coded Fragments Using Push and Pull Protocols
First Claim
Patent Images
1. A method comprising:
- receiving a first set of erasure-coded fragments associated with segments via a transmission using push protocol, whereby the first set is not sufficient for reconstructing some of the segments; and
retrieving a second set of erasure-coded fragments using a fragment pull protocol;
wherein the first and the second sets together are sufficient for reconstructing the segments.
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Abstract
Obtaining erasure-coded fragments using push and pull protocols, including the steps of receiving a first set of erasure-coded fragments associated with segments via a transmission using push protocol, whereby the first set is not sufficient for reconstructing some of the segments; and retrieving a second set of erasure-coded fragments using a fragment pull protocol, wherein the first and the second sets together are sufficient for reconstructing the segments.
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Citations
20 Claims
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1. A method comprising:
- receiving a first set of erasure-coded fragments associated with segments via a transmission using push protocol, whereby the first set is not sufficient for reconstructing some of the segments; and
retrieving a second set of erasure-coded fragments using a fragment pull protocol;
wherein the first and the second sets together are sufficient for reconstructing the segments. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- receiving a first set of erasure-coded fragments associated with segments via a transmission using push protocol, whereby the first set is not sufficient for reconstructing some of the segments; and
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11. An apparatus comprising:
- an assembling device configured to receive a first set of erasure-coded fragments from at least one server using a push protocol, wherein the first set is occasionally insufficient to decode the received fragments;
the assembling device is further configured to retrieve a second set of erasure-coded fragments using a fragment pull protocol;
wherein the first and second sets together comprise enough fragments to decode the fragments. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
- an assembling device configured to receive a first set of erasure-coded fragments from at least one server using a push protocol, wherein the first set is occasionally insufficient to decode the received fragments;
Specification