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Enterprise Systems Connection (ESCON):
IBM's fiber optic serial channel for attaching mainframes to peripherals such as storage devices, backup units, and network interfaces. This channel incorporates fiber channel technology. The ESCON channel replaces the bus-and-tag channel.

Error Control Coding (ECC):
Protects digital data against errors which can occur during transmission over a noisy communication channel in a networked server or storage environment.

Extensible Markup Language XML:
A language that allows developers to create customizable tags to aid in the definition, transmission, validation, and interpretation of data between applications.

FCP:
Fibre Channel is the established layer 2 SAN protocol. It provides robust 1 and 2 Gbps switched connectivity between high-end servers and storage.

FCIP:
FCIP supports Fibre Channel communication over an IP network, enabling the interconnection of FC SANs, typically for replication between storage systems over a wide area network

Fiber Connectivity - (FICON):
A high-speed input/output (I/O) interface for mainframe computer connections to storage devices. As part of IBM's S/390 server, FICON channels increase I/O capacity through the combination of a new architecture and faster physical link rates to make them up to eight times as efficient as ESCON (Enterprise System Connection), IBM's previous fiber optic channel standard.

Firewall Load Balancing (FWLB):
For scalable firewall security, Cisco intelligently directs traffic across multiple firewalls, eliminating performance bottlenecks and single points of failure. Firewall load balancing eliminates system downtime that results when a firewall fails or becomes overloaded—breaking Internet connections and disrupting e-commerce purchases or other mission-critical transactions.

Hot Standby Routing Protocol (HSRP):
A protocol that provides high network availability and transparent network topology changes. HSRP creates a Hot Standby router group with a lead router that services all packets sent to the Hot Standby address. The lead router is monitored by other routers in the group, and if it fails, one of these standby routers inherits the lead position and the Hot Standby group address.

Higher speed study group (HSSG):
The group commissioned by the IEEE 802.3 Ethernet working group with drafting the technical scope and objectives of the standards effort.

Hypertext Transfer Protocol over Secure Socket Layer, or HTTP over SSL (HTTPS):
A Web protocol developed by Netscape and built into its browser that encrypts and decrypts user page requests as well as the pages that are returned by the Web server.

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