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OpenStack(企业私有云)万里长征第四步——DevStack整体安装规划及使用

一、前言 前期成功通过DevStack安装OpenStack,现将从机房规划到虚拟机搭建的整个过程总结如下,以供日后查阅或有需之人参考。 二、机房规划 这个整个安装过程的重点,能不能成功就看规划的如何。一旦此步有问题会导致整个安装失败,当然后续步骤操作过程中你也可以发现此步存在的问题,修改完善也可。 2.1 服务器规划 首先服务器按照性能划分功能。选择一台性能最好的服务器(内存足够大、CPU足够多、硬盘要求不高)用于控制节点。另选若干台性能一般的服务器用于计算节点。此外如果需要虚拟机之间共享存储的话可以选一

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Peer-to-Peer (P2P) communication across middleboxes

Internet Draft                                                   B. Ford Document: draft-ford-midcom-p2p-01.txt                            M.I.T. Expires: April 27, 2004                                     P. Srisuresh                                                           Caymas Systems                                                                 D. Kegel                                                                kegel.com                                                             October 2003               Peer-to-Peer (P2P) communication across middleboxes Status of this Memo    This document is an Internet-Draft and is subject to all provisions    of Section 10 of RFC2026.  Internet-Drafts are working documents of    the Internet Engineering Task Force (IETF), its areas, and its    working groups.  Note that other groups may also distribute working    documents as Internet-Drafts.    Internet-Drafts are draft documents valid for a maximum of six months    and may be updated, replaced, or obsoleted by other documents at any    time.  It is inappropriate to use Internet- Drafts as reference    material or to cite them other than as "work in progress."    The list of current Internet-Drafts can be accessed at    http://www.ietf.org/1id-abstracts.html    The list of Internet-Draft Shadow Directories can be accessed at    http://www.ietf.org/shadow.html    Distribution of this document is unlimited. Copyright Notice    Copyright (C) The Internet Society (2003).  All Rights Reserved. Abstract    This memo documents the methods used by the current peer-to-peer    (P2P) applications to communicate in the presence of middleboxes    such as firewalls and network address translators (NAT). In    addition, the memo suggests guidelines to application designers    and middlebox implementers on the measures they could take to    enable immediate, wide deployment of P2P applications with or    without requiring the use of special proxy, relay or midcom    protocols.   Ford, Srisuresh & Kegel

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