Posts

Showing posts from October 14, 2012

Tentang SLA (Service Level Agreement) & BSM

What are SLAs? 
SLAs are agreements that exist between business units and IT environments where the
level of a service is defined to ensure reliable operations.  They effectively document
business or customer performance and availability expectations of an application or
service.


3 Major Types of SLAs
SLAs mean different things depending on the context.  So let’s define three common types:

Contractual: this kind of agreement is negotiated between two companies, for example between an outsourcer (IBM Global Services, or a smaller managed service provider), an application provider (like salesforce.com or  Amazon’s AWS), or a service (like DropBox, or Evernote).Service desk based: Mainly for ticket based systems where activities involve people and process and may include complex workflows (like deploying a system, or on-boarding a new employee).Infrastructure based: Mainly done by IT service management systems where infrastructure is actively monitored and outages of applications are track…

Apa dampak Software Defined Networking utk Network Admin

What is Software-Defined Networking (SDN) and How Will it Impact the Network Administrator?
What is SDN?Software-Defined Networking has become one of those industry buzzwords that quickly gets so over-used and distorted that it is hard to tell what it really means or if it really matters.  In this blog post I'll try to go back to the basics of what is SDN and how it is likely to impact the network administrator.SDN was defined by the Open Networking Foundation (ONF), a standards group founded in 2011 by Deutsche Telekom, Facebook, Google, Microsoft, Verizon, and Yahoo!, as an architecture that "brings direct software programmability to networks worldwide."  ONF is pushing this goal by defining and driving an OpenFlow interface.  The ONF website describes OpenFlow as follows:"In a classical router or switch, the fast packet forwarding (data path) and the high level routing decisions (control path) occur on the same device. An OpenFlow Switch separates these two functi…