HP 200 Converged Networks and Fibre Channel over Ethernet

HP 200 Manual

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  • HP 200 | Converged Networks and Fibre Channel over Ethernet - Page 1
    Introduction 2 Converged networks 2 Data Center Bridging 3 Fibre Channel over Ethernet (FCoE) 3 Challenges for end-to-end network convergence 4 Servers control 7 FCoE and DCB progress and challenges ahead 8 Using HP Flat SAN technology to enhance single hop FCoE 9 Evolution of
  • HP 200 | Converged Networks and Fibre Channel over Ethernet - Page 2
    and management overhead. Many data centers support three or more types of networks and therefore require unique switches, network adapters, and network management HP has successfully implemented converged Fibre Channel over Ethernet (FCoE) networks at the server edge using top-of-rack (ToR) switches
  • HP 200 | Converged Networks and Fibre Channel over Ethernet - Page 3
    means that smaller servers (including blades) with fewer available option card ): 802.1Qaz supports discovery and configuration of network devices that support PFC and ETS supports end-to-end flow control in a switched LAN infrastructure and helps eliminate sustained, heavy congestion in an Ethernet
  • HP 200 | Converged Networks and Fibre Channel over Ethernet - Page 4
    Ethernet switch with DCB, legacy Ethernet, and legacy Fibre Channel ports. Examples of FCFs include HP VC FlexFabric modules and HP Networking 5820X top-ofrack access switches service level Ethernet infrastructure. Vendors are currently implementing DCB standards in network hardware and firmware. HP
  • HP 200 | Converged Networks and Fibre Channel over Ethernet - Page 5
    servers. HP ProLiant BL G7 and Gen8 blade servers have embedded CNAs, called FlexFabric adapters, which eliminate some hardware costs associated with separate network fabrics. Dual-port, multifunction FlexFabric adapters are both Ethernet and host bus adapters, depending on user configuration. These
  • HP 200 | Converged Networks and Fibre Channel over Ethernet - Page 6
    Manual approach. HP is more switch segment and strives to provide unique and sometimes proprietary options for an all Cisco infrastructure remain open and flexible wherever possible to maintain compatibility with existing dc architectures support any standards-based upstream network for Ethernet
  • HP 200 | Converged Networks and Fibre Channel over Ethernet - Page 7
    pricing. Today, a CNA costs slightly more than a basic NIC; a switch with an FCF costs more than a basic Ethernet switch (LOM). Including a CNA LOM on a blade server, as HP does on its latest models, enables Fibre configuration QCN FCF in each switch hop Same multi-hop limitations as FC SANs 7
  • HP 200 | Converged Networks and Fibre Channel over Ethernet - Page 8
    , whether that is fixed assignment of space to ports and classes of service, or quotas for how much each of those can take from a shared pool. FIP snooping is a feature of the intermediate Ethernet switch in a two hop configuration. In simple terms, FIP snooping is part of an overall security design
  • HP 200 | Converged Networks and Fibre Channel over Ethernet - Page 9
    switches from a single vendor. • Every switch in the data center requires Fibre Channel switch firmware. The connections between those switches are Virtual Ethernet * Limited support for FCF-per-hop makes it a proprietary, single-vendor approach for the immediate future. Using HP Flat SAN
  • HP 200 | Converged Networks and Fibre Channel over Ethernet - Page 10
    Ethernet connected NAS appliances serving files have been emerging for decades and have a respectable share of the storage market; likewise in very high-end supercomputers a large parallel file system (such as HP blade Service Server (iSNS) instead of the higher priced Fibre Channel switch support one
  • HP 200 | Converged Networks and Fibre Channel over Ethernet - Page 11
    congestion management (using Congestion Notification to traffic from FCF to FCF as switch hops are traversed). At best, this makes the industry direction for multi risk, and ROI. Consider adopting technologies like the FC-based HP 3PAR Flat SAN technology Systems that operate within the proven single
  • HP 200 | Converged Networks and Fibre Channel over Ethernet - Page 12
    over Ethernet and Data Center Bridging technology brief HP Virtual Connect Direct-Attach Fibre Channel for HP 3PAR Storage Systems solutions brief HP FlexFabric Networks web portal OpenFlow - Software-Defined Network Web address http://h20000.www2.hp.com/bc/docs/support/SupportManual/c03094466
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Technical white paper
Converged Networks and Fibre Channel over
Ethernet
Table of contents
Abstract
2
Introduction
2
Converged networks
2
Data Center Bridging
3
Fibre Channel over Ethernet (FCoE)
3
Challenges for end-to-end network
convergence
4
Servers
4
Direct-attach storage
5
Storage Area Network
5
iSCSI: SANs using TCP/IP networks
5
Cluster interconnects
5
Approaches to converged data center
networks
5
Convergence strategies
6
Cost structure
7
Congestion and flow control
7
FCoE and DCB progress and challenges
ahead
8
Using HP Flat SAN technology to
enhance single hop FCoE
9
Evolution of storage
10
Conclusion
11
For more information
12