Microsoft Office YTD Video Downloader. Adobe Photoshop CC. VirtualDJ Avast Free Security. WhatsApp Messenger. Talking Tom Cat. Clash of Clans. Subway Surfers. TubeMate 3. Google Play. Biden to send military medical teams to help hospitals. N95, KN95, KF94 masks. Regardless of the number of locations, number of continents where those locations exist, number of ExpressRoute circuits, and so on, being able to route some traffic to the Internet and some traffic over ExpressRoute will be required.
The additional questions that must be answered for customers with multiple locations in multiple geographies include:. Do you require an ExpressRoute circuit in every location? See the Skype for Business media quality and network connectivity guide for more details. If an ExpressRoute circuit isn't available in a particular region, how should Office destined traffic be routed?
What is the preferred method for consolidating traffic in the case of networks with many small locations? Each of these presents a unique challenge that requires you to evaluate your own network and the options available from Microsoft. Microsoft will prefer ExpressRoute over the internet if the route is available regardless of physical location.
Each of these considerations must be taken into account for each unique network. Below is an example. This example is a scenario for a fictitious company called Humongous Insurance who has multiple geographic locations.
Humongous Insurance is geographically dispersed with offices all over the world. They want to implement Azure ExpressRoute for Office to keep most their Office traffic on direct network connections.
Humongous Insurance also has offices on two additional continents. The employees in the remote office where ExpressRoute is not feasible will need to route back to one or both of the primary facilities to use an ExpressRoute connection. The guiding principle is to get Office destined traffic to a Microsoft datacenter as quickly as possible. In this example, Humongous Insurance must decide if their remote offices should route over the Internet to get to a Microsoft datacenter over any connection as quickly as possible or if their remote offices should route over an internal network to get to a Microsoft datacenter over an ExpressRoute connection as quickly as possible.
Microsoft's datacenters, networks, and application architecture are designed to take globally disparate communications and service them in the most efficient way possible. This is one of the largest networks in the world. Requests destined for Office that remain on customer networks longer than necessary won't be able to take advantage of this architecture.
In Humongous Insurance's situation, they should proceed depending on the applications they intend to use over ExpressRoute. For example, if they're a Skype for Business Online customer, or plan to use ExpressRoute connectivity when connecting to external Skype for Business Online meetings, the design recommended in the Skype for Business Online media quality and network connectivity guide is to provision an additional ExpressRoute circuit for the third location.
This may be more expensive from a networking perspective; however, routing requests from one continent to another before delivering to a Microsoft datacenter may cause a poor or unusable experience during Skype for Business Online meetings and communications. If Humongous Insurance isn't using or doesn't plan to use Skype for Business Online in any way, routing Office destined network traffic back to a continent with an ExpressRoute connection may be feasible though may cause unnecessary latency or TCP congestion.
In both cases, routing Internet destined traffic to the Internet at the local site is recommended to take advantage of the content delivery networks that Office relies on. When Humongous Insurance is planning their multi-geography strategy, there are a number of things to consider around size of circuit, number of circuits, failover, and so on. With ExpressRoute in a single location with multiple regions attempting to use the circuit, Humongous Insurance wants to ensure that connections to Office from the remote office are sent to the Office datacenter nearest headquarters and received by the headquarters location.
To do this, Humongous Insurance implements DNS forwarding to reduce the number of round trips and DNS lookups required to establish the appropriate connection with the Office environment closest to the headquarters internet egress point. This prevents the client from resolving a local front-end server and ensures the Front-End server the person connects to be near the headquarters where Humongous Insurance is peering with Microsoft.
In this scenario, traffic from the remote office would resolve the Office front-end infrastructure in North America and use Office to connect to the backend servers according to the architecture of the Office application. For example, Exchange Online would terminate the connection in North America and those front-end servers would connect to the backend mailbox server wherever the tenant resided.
All services have a widely distributed front door service comprised of unicast and anycast destinations. If all offices are in a single continent, or is not using real-time collaboration, having a consolidated or distributed egress point is a customer-specific decision. When multiple circuits are available, BGP routing will ensure failover should any single circuit become unavailable. Selective routing with ExpressRoute may be needed for a variety of reasons, such as testing, rolling out ExpressRoute to a subset of users.
There are various tools customers can use to selectively route Office network traffic over ExpressRoute:. This selectively routes by customer network segment or physical office location. This selectively routes by client computer as identified by PAC file deployment. Route filtering - Route filters are a way to consume a subset of supported services through Microsoft peering. BGP communities - filtering based on BGP community tags allows a customer to determine which Office applications will traverse ExpressRoute and which will traverse the internet.
Assessing Office network connectivity. Azure ExpressRoute for Office Managing ExpressRoute for Office connectivity. By clicking sign up, I agree that I would like information, tips, and offers about Microsoft Store and other Microsoft products and services. Privacy Statement. Express Scribe Transcription Free. See System Requirements. Available on PC. Description Express Scribe Transcription Software is the fastest and easiest way to transcribe audio files.
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