Tuesday, 27 July 2010
Multi-tenant services provide a good economic alternative to in-house messaging delivery, but are more suited to the sub 500 user market segment than for Enterprise customers due to the limited ability of multi-tenant environments to accommodate the needs of Enterprise requirements for:
Merger & Acquisitions (Complex Active Directory structures, Multiple Domains, Multiple Global Address Lists)
Geography (User Access, Data Jurisdiction)
Compliance (E-Discovery, Data Retention, Policy Enforcement)
Security (Authentication, Encryption, Permissions)
Business Continuity Planning (including Disaster Recovery)
Availability & Performance Monitoring and Reporting
Application & Data Dependencies (Integration, Migration)
Enterprise organisations will undertake detailed Risk Management exercises and are naturally wary of the complexities and dependencies unique to their business which frequently do not lend themselves to a on-size fits all service. The challenges described above mean that multi-tenant services are not yet mature enough to deliver against Enterprise requirements. Further, widespread adoption and market penetration of multi-tenant is not apparent leaving only the avant-garde CIO to adopt this service delivery model as a mechanism to satisfy Enterprise messaging requirements.
Thursday, 1 July 2010
IntroductionEmail is the most visible and widely used application within Enterprise organisations and is often used as the barometer for IT capability and service performance by end-users.
However, Email is no longer just Email. Instead, Email is an entire Eco-system of inter-related services spanning areas such security, compliance, end-user mobility, and service continuity.
To compound complexity, Enterprises are increasingly reliant on email, infrastructure is often distributed over national and international geographies with each region operating its own localised service typically shares sharing minimal commonality with other geographies and operating their own localised processes.
ResearchUnderstanding the true total cost of owning and operating the Email Eco-system via an internal service delivery model can be challenging.
Forrester estimates the true cost to be around £15 per mailbox per month for a single site deployment that excludes long term archiving, service continuity (multi-site resilience) and e-discovery. This extra capability is estimated at a further £10 per mailbox per month.
Our experience at Cable&Wireless has yielded similar cost profiles in our customer base supporting Forrester’s TCO figures. For example, an IT function with 5,000 mailboxes demonstrated DIY costs of between £12.75 and £14.50 per mailbox per month.
TCO ComponentsIn order to fully understand the Total Cost of Ownership (TCO) of an Email Eco-system, there are a number of tangible cost components to consider.
Tangible costs are those costs that can fully or partially apportion directly to the provision of Email services. They typically fall under the following headings:
- Staff Costs
- Environment Costs
- Solution Infrastructure Costs
- Solution Software Costs & Licensing
- Connectivity Costs
- Service Management Costs
- Finance Costs
- In-Life Upgrade & Refresh Costs
Intangible Costs, although not measurable are also worth considering in any TCO model to ensure a fair and complete exercise is completed. These include:
- Opportunity Cost - what else could IT resource deliver if they were not focused on delivering commodity email services
- End-Users - can end-users communicate and function more productively, with higher levels of satisfaction
- Perception of IT - can the profile of an IT function be improved by delivering a better service and gain support for additional IT transformation projects
Wednesday, 30 June 2010
Exchange 2010 indicates an I/O reduction of around 90% when compared Exchange 2003, and 50% against Exchange 2007, while this does not necessarily translate into less disks (due to increased mail volumes, larger mailboxes, and wider usage across Enterprise employee’s as a common part of HR policies to ensure all employee’s have access to email), it does provide the opportunity to deploy a different TYPE of disk.
A report from EMC focusing primarily on their Clariion SAN technology summarises the power consumption of different sized disks with differing performance stats. The following diagram is extracted from the report and demonstrates the significant energy saving of utilising higher capacity drives that can be used for Exchange 2010 as I/O performance requirements are reduced:
increasing email volumes.
Despite the widespread adoption of email by corporate enterprises over a decade ago, the growth of emails sent and received per person per day is still rising sharply. The graph below illustrates how daily email quantities are predicted to continue to grow by a further 30% in the next two 2 years.
While end-users are feeling the Email growth pain, the impact to Enterprise IT Function is compounded by both volume AND complexity. Email is no longer just the sending and receiving of messages, instead Email today relies on a complex Eco-system of messaging and related services that address wide variety of Enterprise requirements to ensure compliance, policy enforcement, security, disaster recovery / business continuity, and long term data retention.
The cost of email isn’t simply accounted for by the sending and receiving of emails, instead it is comprised of a complex email eco-system that typically contains an intertwined web of services for security, archiving, compliance, continuity services, and a plethora of access methods utilised by increasingly mobile workforces, operating in many time zones often outside of core IT hours and local office hours.
Typical Enterprise-scale organisations have multiple messaging systems due to mergers and acquisitions. This presents the opportunity to consolidate, centralise and standardise the messaging platform on to the latest software version to minimise support costs, take advantage of new features and functionality, and integrate with desktop client software refresh programmes.
Monday, 28 June 2010
Memories swiftly returned of spending hours typing in programs from Input magazine back in the '80s, which all started with the simplest of programs to display 'Hello World' on the screen.