Why use Ethernet services in the first place?

2013-01-10 16:49:11

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How to evaluate Ethernet network services when linking locations
Interconnecting three or more sites across a metro or wide area network has traditionally been accomplished via a hub and spoke network using private lines, frame relay or Internet Protocol virtual private networks (IP VPN) over the Internet. However, Ethernet services are a cost-effective alternative that can also support hub and spoke topologies as well as a unique, “any-to-any” network topology.Both Ethernet methods can achieve secure, high performance multi-site connectivity with full IP transparency, but by weighing the differences in the two methods, you can impact IT operations, management and cost, says Mike Maloney, vice president at Comcast Business Class.Smart Business spoke with Maloney about considerations and best practices when connecting three or more sites via Ethernet.
Why use Ethernet services in the first place?
Because most applications today are IP-based, you could presume IP VPNs are more suitable than Ethernet VPNs. While both deliver connectivity, there are three benefits of Ethernet VPNs:• Security — Ethernet services are immune to certain Internet-based threats, such as the popular IP denial of service attacks.• Quality of service (QoS) performance — Ethernet services run over the service provider’s managed network, resulting in better control, more predictable performance and more service availability.• IP transparency — Ethernet services don’t require IP routing information to be shared with the service provider, enabling companies to keep their existing IP address with freedom to expand.
What are the advantages of using either hub and spoke or multi-point connectivity?
With hub and spoke, sites connect through the hub site to communicate with any other site. The benefit is centralized traffic routing, requiring simpler and lower cost routers to attach to the spoke sites since these locations only make a direct, point-to-point connection to the hub.Any-to-any connectivity enables all sites to communicate with each other over the wide area network. One advantage is simplicity in adding new sites to the shared service across the network. Routers at each site automatically discover new sites with no additional device configuration changes.
The above information is edited by 10GTEK.
10GTEK TRANSCEIVERS CO., LTD (Hereinafter refered to as 10GTEK) is specialized in developing and manufacturing Fiber Optical Transceivers and High Performance Cables which are wildly applied in Datacom, Telecom and CATV, providing customers with top quality and cost effective products. Our High Speed Cables cover Passive SFP+ Cable, Active SFP+ Cable, QSFP+ cables, MiniSAS (SFF-8088) Cables, CX4 Cables, Harness cables, Breakout Cables, Patchcords. We also manufacture Fiber Optic Transceivers like 10G XFP, 10G SFP+, SFP DWDM/ CWDM, GBIC, etc. The prompt response and excellent customer support contribute to clients‘ full satisfaction.Today, 10GTEK has been growing fast in the optical field for its unique and competitve excellence which has got a high attention from datacom and telecom.
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