迁移到云端：Office 365企业云服务实战指南

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"Office 365 Migrating and Managing Your Business in the Cloud.pdf" 是一本面向IT专业人员和企业所有者的指南，旨在提供将业务迁移到Microsoft Office 365云平台所需的商业和技术洞察。书中详细探讨了云计算迁移以及支持这种迁移的不同技术，包括多个具体的云迁移实例和技术细节。在当前的数字化时代，云计算为企业提供了降低成本、提升生产力的机会。通过增强访问性、简化管理以及改善服务，它可以显著提高效率，并降低总体拥有成本。那些积极采用云计算优势的企业将获得更高的生产力和更低的成本。然而，对于负责实施Office 365的人来说，挑战在于如何在最小程度上干扰组织的情况下利用这些优势。本书提供了一套实用的方法，指导如何将业务迁移到云端，涵盖了规划、迁移以及后续的Office 365云服务管理。书中的内容分为多个章节，详细讲解了以下关键知识点： 1. **第一章：Office 365：迈向云时代** - 介绍迁移到云的基本概念和Office 365的价值。 2. **第二章：使用Office 365和Windows Intune** - 解析如何结合使用这两个工具来管理和保护企业的设备和应用。 3. **第三章：Office 365规划与购买** - 深入探讨选择合适的订阅方案和规划迁移过程。 4. **第四章：设置与迁移指南** - 提供详细的迁移步骤，确保数据安全无损地转移到云端。 5. **第五章：SharePoint管理指南** - 教授如何管理SharePoint站点、列表、文档库，以实现协作和知识管理。 6. **第六章：网站设置与配置** - 介绍如何建立和配置企业网站以配合Office 365使用。 7. **第七章：Office 365与Windows Intune管理指南** - 讨论如何整合这两者以实现全面的设备和用户管理。 8. **第八章：Office 365企业级管理指南** - 针对大型企业，提供更高级的管理策略和工具。 9. **第九章：Office 365合规性与数据丢失防护** - 介绍如何确保数据安全并符合法规要求。 10. **第十章：Office 365 Exchange Online Protection管理指南** - 详述电子邮件安全和防护策略。 11. **第十一章：Office 365 DirSync、ADFS、单点登录与Exchange联合** - 解释身份验证和访问控制的关键技术。此外，书中还包含术语表和索引，便于读者查阅特定概念和信息。这本书为迁移到和管理Office 365云环境提供了全面的指南，是IT专业人士和企业决策者不可或缺的参考资料。

CHAPTER 1 ■ OFFICE 365: MOVING TO THE CLOUD

The RDCC IT manager reviewed the support requested and proposed a budget of $123,000, approximately

$10,000 per month. The IT manager expects this will consume half of the on-staff IT professional time at a cost of

about $70,000. RDCC management looked at the cost and requested the IT manager do a comparison against the

monthly costs using a subscription (cloud) model.

The IT manager reviewed the information and was shocked to see that the on-premises solution costs $7,000

per month more than the Microsoft Office 365 solution. He also became aware that he could free up half of his time

not having to manage an on-premises server. RDCC’s management reviewed the financials and chose the Microsoft

Office 365 solution, saving $150,000 in a one-year period. RDCC management also committed to having all of their

franchise users use Microsoft Office applications as the office standard and decided to deploy two distinct offerings

for franchises. At the franchise level, they specified the E1 service with Office Web applications. This allowed the

franchise owner to use either the web applications or purchase the retail version of the Office software. At RDCC

corporate offices, they can either use the Office subscription service (E3) or deploy the Office 2013 software through a

volume license.

RDCC’s decision to use Microsoft Online Services reduced the CAPEX and OPEX for the fiscal year. RDCC IT staff

estimated that the deployment costs were between $50 and $100 per person in one-time fees, for a total of $6,000. The

$6,000 migration cost for the RDCC deployment was one-fifth the estimated cost of the Exchange 2010 deployment.

RDCC management realized that the selection of online services significantly reduced the cash outlay for the

organization.

Line of Business Applications

LOB applications are unique to a business or a business segment. A good example of a LOB application is an

insurance documentation archive system designed to handle insurance agency data. This LOB application is not

relevant to, for example, a retail segment that does not handle insurance agency documents. Likewise, an LOB

application of a point-of-sale (POS) system would not be a relevant application for a RDCC cupcake simulation.

RDCC’s LOB application consists of the simulation application and the Microsoft Access database that is used in

the simulation. The Access database is known to consume network bandwidth. However, with Office 365, the Access

database can be shared from the cloud SharePoint service, so the database that is used locally is cached, and changes

are replicated to the cloud. The Access database can also be linked to Windows Azure (an extension of Office 365

cloud services) and integrated with Office 365. Thus, the user accesses the database locally, and transaction change

records are replicated to the cloud. This allows multiple users to have access to the information in real time without

over-using available bandwidth. This is possible because updates are driven to client desktops only as they are

“cached.”

RDCC IT staff concluded that the LOB application no longer needed a server to support the application. The IT

manager reviewed SharePoint online services and decided that this software only needed minor customization to

make it useful. This decision allows the IT management to reduce the server “farm” by one more server, with a savings

of about $20,000 on top of the budget savings of $90,000—all made possible by not deploying on-premises equipment.

Requirements for On-Premises and Cloud Data

The final concern for RDCC was how to address backup data issues. RDCC has a business requirement under

Sarbanes-Oxley (SOX) that all financial data needs to be recoverable. RDCC has also been involved in much

litigation, so they are well aware of the e-discovery impact to the business. In recent litigation RDCC was required

to process all of the e-mails on their Exchange server and turn over the e-mail data as part of the litigation. Because

RDCC did not have an archive retention policy, they received a federal court order that mandated a freeze in the

deletion of data and placed all RDCC hardware on a legal hold. The IT staff had to recall all laptops from the field

and copy the users’ personal archives to the server so the data could be processed for electronic discovery. This was

extremely expensive.

CHAPTER 1 ■ OFFICE 365: MOVING TO THE CLOUD

To help them in their decision process RDCC IT staff modeled storage pool consumption on the Intel Server test

drive site (see www.intelmodularserver.com). This site allows them to try different configurations and out-of-band

management systems to develop the best solution. Figure 1-6 shows a storage pool view of the Intel Server with a

modular server with a RAID 1 and a RAID 5 subsystem.

The Intel Server allows for organizing the Storage Access Network (SAN) or the attached SAN into a set of storage

pools. The storage pools are then allocated to the individual compute module. In Figure 1-6, they added two SAS

drives to the storage pool. However, when they built their virtual drives, they decided to organize the data in a RAID 1

configuration. KAMIND recommends that the RDCC IT staff deploys the Intel Server storage with a global hot spare.

Desktop Support and Upgrade

The RDCC IT staff needs to complete not only a data center upgrade, but also a software upgrade. In the past, they

purchased a Microsoft Open License that did not include software assurance, so they had a group of deployed

desktops using Office 2003 software under Windows XP. Some of the newer software uses Windows 8, so RDCC is

faced with replacing all XP systems before the end of support from Microsoft, which is less than a year away.

RDCC IT examined the different pricing options for the new software. The software deployment cost is the same

in all cases except for the retail product. The retail product requires that the IT staff physically enter a different serial

number for each version of Office 365 software installed.

Office 2013 prices ranged from $432 to $699 (see Table 1-4) for Office 2013 software. The software that cost the

most was the retail version. The cost was higher since it required an IT professional to install the software on every

desktop and deploy a unique serial number key; RDCC IT staff could not do an automated “push” install for mass

deployment of the software and upgrades.

Figure 1-6. Storage pool organization and allocation

CHAPTER 1 ■ OFFICE 365: MOVING TO THE CLOUD

Information Security

RDCC’s information security requirements are similar to those of most companies. RDCC wants to make sure their

data is kept private. They want to control access to their data and the computing resources. These are their business

needs. RDCC doesn’t want to use any cloud service that required an intellectual property transfer. Some cloud

services companies use IP rights assignment as a way to sell additional product and services to the companies’

employees.

All of us have heard of reports of credit card numbers being stolen from retail store point-of-sale computers. How

about a government employee leaving a laptop that contains thousands of social security numbers in a car and that

laptop is stolen? There are countless stories of identity theft. The stories all come down to this: How safe is your data?

The safety of your data is what information security is all about, and the crux of the problem is data access and control.

Realistically, it does not matter where your data is located. It can be safe anywhere—with the right precautions.

The processes and security around your data and how it is controlled is what matters. As an example, does the

network administrator have access to your e-mail? What password policies are in place to ensure that your data is

under control? What is the physical security like? Who picks up the trash in the evening in your data center? Who

has access after-hours to the information? All that matters is how data is managed. Data loss prevention is critical for

RDCC’s business to ensure confidential information stays inside the company and there is no IP rights assignment to

use the Office 365 cloud service.

There are many aspects of physical data security. Figure 1-7 is a picture of a Microsoft data center. All server

access is controlled and limited to a few select individuals. Microsoft also has controls on who accesses the data. This

is a critical aspect of data security that is often overlooked.

Table 1-4. Office 2013 Professional Plus License Prices (as of Publication Date, Prices Subject to Change)

Office 2013 Professional Plus

Option Cost (USD) Yearly Costs (USD) Notes

Full Retail Product $399 $399 No upgrade, limited installs

Volume License (L/SA) 699 233 Three-year agreement, either spread

payment option

Volume License (SA) 444 148 Agreement exists for License portion

Volume License Subscription 432 144 Three-year subscription, upgrades

included

Office 365 Subscription +12 per user/month 144 Microsoft Online one-year agreement,

requires Suite

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迁移到云端：Office 365企业云服务实战指南

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