HP StorageWorks 2/24 FW 07.00.00/HAFM SW 08.06.00 McDATA Products in a SAN Env - Page 46
SAN Routers, Perform SAN routing functions
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Introduction to McDATA Multi-Protocol Products 1 The switch rear panel provides a 9-pin DSUB maintenance port for connection to a local terminal or remote terminal. Although the port is typically used by authorized maintenance personnel, operations personnel can use the port to configure switch network addresses. SAN Routers The Fibre Channel protocol was designed for high-performance channel and storage applications within the limited confines of a data center. However, the protocol is not suited for long-distance applications between multiple, geographically-dispersed SANs or data centers. Conversely, transmission control protocol/Internet protocol (TCP/IP) is well suited to provide dynamic routing for complex, geographically-dispersed networks. SAN routers provide multi-protocol solutions to this problem by unifying storage (FCP) and networking (TCP/IP) architectures. These protocols include metropolitan Fibre Channel protocol (mFCP), Internet Fibre Channel protocol (iFCP), and Internet small computer systems interface (iSCSI), provided at up to Gigabit Ethernet (GbE) bandwidth. SAN routers are low port count, high-bandwidth products that provide extended distance and multi-protocol access to Fibre Channel SANs, and should be installed to: • Perform SAN routing functions - SAN routers provide FCPprotocol, router port (R_Port) connectivity between local Fibre Channel fabrics (SAN routing). A SAN routing solution provides interoperable FCP connectivity and consolidates IT resources but ensures a disruption in one fabric remains isolated and does not propagate to other fabrics. Refer to SAN Routing for detailed information. • Perform mSAN routing functions - Multiple SAN routers interconnect with GbE bandwidth links that employ the user datagram protocol (UDP)-based mFCP protocol. These routers connect local Fibre Channel fabrics into a metropolitan storage area network (mSAN) and perform mSAN routing functions. An mSAN routing solution provides a low-latency, high-bandwidth alternative to traditional FCP connectivity. Refer to mSAN Routing for detailed information. 1-20 McDATA Products in a SAN Environment - Planning Manual