Rickmansworth, Hertfordshire-based Infinite Networks Ltd has announced the Microhub-ISDN bridge, aimed at users wanting to connect remote Ethernet local networks across ISDN. RISC-based and SNMP-compliant, the product is claimed to offer performance across up to two wide area ports operating at up to 2Mbps, with up to four integrated 64Kbps ISDN B channels. The company says that the product’s integrated ISDN facility enables ISDN calls based on the Media Access Control address of data entering the bridge to be made automatically, while calls are automatically cleared when no data is being passed. Another feature that the company is pushing – and for which it is claiming a first – is a data encryption facility to prevent unauthorised access, while it also incorporates filtering facilities by source and destination addresses as well as multicast and broadcast filtering. ISDN links can either be Bandwidth-on-demand or as auto-fallback to leased lines, with auto-fallback available on either a one-for-one or a one-for-n basis. Intelligent load sharing and error correction are available across all wide area links, while rerouting is claimed to take place in under five seconds without data and session loss to the users. The company has also incorporated data compression based on the Lempel-Ziv algorithm across all links. It says that compression ratios ranging from 2:1 to 8:1 can be achieved on random Ethernet data, and that this allows for throughput on demand of 2Mbps across ISDN. It is available immediately, and is UKP3,000.
