Recommended
Overlay opportunistic clouds in CMS/ATLAS at CERN: The CMSooooooCloud in detail
The CMS and ATLAS online clusters consist of more than 3000 computers each. They have been exclusively used for the data acquisition that led to the Higgs particle discovery, handling 100Gbytes/s data flows and archiving 20Tbytes of data per day.
An openstack cloud layer has been deployed on the newest part of the clusters (totalling 1300 hypervisors and more than 13000 cores in CMS alone) as a minimal overlay so as to leave the primary role of the computers untouched while allowing an opportunistic usage of the cluster.
This presentation will show how to share resources with a minimal impact on the existing infrastructure. We will present the architectural choices made to deploy an unusual, as opposed to dedicated, "overlaid cloud infrastructure". These architectural choices ensured a minimal impact on the running cluster configuration while giving a maximal segregation of the overlaid virtual computer infrastructure. The use of openvswitch to avoid changes on the network infrastructure and encapsulate the virtual machines traffic will be illustrated, as well as the networking configuration adopted due to the nature of our private network. The design and performance of the openstack cloud controlling layer will be presented. We will also show the integration carried out to allow the cluster to be used in an opportunistic way while giving full control to the CMS online run control.
Overlay Opportunistic Clouds in CMS/ATLAS at CERN: The CMSooooooCloud in Detail
Overlay Opportunistic Clouds in CMS/ATLAS at CERN: The CMSooooooCloud in DetailJose Antonio Coarasa Perez
Recommended
Overlay opportunistic clouds in CMS/ATLAS at CERN: The CMSooooooCloud in detail
The CMS and ATLAS online clusters consist of more than 3000 computers each. They have been exclusively used for the data acquisition that led to the Higgs particle discovery, handling 100Gbytes/s data flows and archiving 20Tbytes of data per day.
An openstack cloud layer has been deployed on the newest part of the clusters (totalling 1300 hypervisors and more than 13000 cores in CMS alone) as a minimal overlay so as to leave the primary role of the computers untouched while allowing an opportunistic usage of the cluster.
This presentation will show how to share resources with a minimal impact on the existing infrastructure. We will present the architectural choices made to deploy an unusual, as opposed to dedicated, "overlaid cloud infrastructure". These architectural choices ensured a minimal impact on the running cluster configuration while giving a maximal segregation of the overlaid virtual computer infrastructure. The use of openvswitch to avoid changes on the network infrastructure and encapsulate the virtual machines traffic will be illustrated, as well as the networking configuration adopted due to the nature of our private network. The design and performance of the openstack cloud controlling layer will be presented. We will also show the integration carried out to allow the cluster to be used in an opportunistic way while giving full control to the CMS online run control.
Overlay Opportunistic Clouds in CMS/ATLAS at CERN: The CMSooooooCloud in Detail
Overlay Opportunistic Clouds in CMS/ATLAS at CERN: The CMSooooooCloud in DetailJose Antonio Coarasa Perez
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내가 좋아하는 인터넷 서비스
- 1. 내가 좋아하는 인터넷 서비스- 네이트 이메일 계정 추가- iBiz 2011
- 2. <네이트 메일의 기능> 사용자의 타회사 이메일 계정을 등록해서 “네이트메일”한 곳에서 모두 확인할 수 있다.
- 3. <SK Communications> : 포털사이트 : 소셜 네트워크 : 메신저 : 블로그
- 5. <유사 사이트와의 비교> 네이트의 메신저 프로그램인 네이트온과 연동하여서 모든 계정의 메일들의 소식을 바로바로 확인할 수 있는 외부메일도착알리미 플러그인 서비스제공.
- 6. 간단한 사용방법 소개
- 7. 계정 추가 네이트 로그인 후 메일 첫 화면에서 ‘+’모양으로 되어있는 버튼을 클릭한다.
- 8. 계정 추가 원하는 메일 계정의 이메일 주소와 비밀번호를 입력한다.
- 9. POP3 사용여부 추가하려고 하는 메일 계정의 옵션이 POP3사용을 동의한다고 되어있어야한다.
- 10. POP3 사용여부 G메일을 예로 들었을 때의 방법 환경설정-> 전달및POP/IMAP-> POP 다운로드-> 원하는 항목 선택 후 변경사항저장.
- 11. 계정 추가 추가하려는 메일의 세부사항 입력.
- 12. TEST G메일에서나에게 메일 보내기를 실행했다.
- 13. TEST 지메일이 아닌 네이트 메일에서도 확인 가능함.