GL Communications (News - Alert), a provider of test, monitoring, and analysis equipment for TDM, wireless, IP and VoIP networks, has just unveiled its MC-MLPPP Analyzer and Emulator software. Similar to a network packet broker, this offering emulates and analyzes Point-to-Point (PPP), Multi-Link Point-to-Point (MLPPP), and Multi-Class MLPPP protocols.

The MLPPP Analyzer has the ability to test and analyze HDLC-based PPP protocol in synchronous environment.s It features a single instance of the analyzer that supports reassembly and decoding of multiple MLPPP bundles simultaneously. Each MLPPP bundle is created by selecting groups of timeslots on various cards, and it has the ability to capture and decode both PPP routed protocols, PPP bridged protocols, MLPPP, and MC-MLPPP streams of data. It can also test and perform numerous measurements across WAN- LAN or LAN-LAN connections.

Further, the MLPPP Analyzer supports various data transmission rates starting from fractional DS0 to DS1 (subchannels). Frames can be captured in either n x 64 kbps or n x 56 kbps data channels

The MC-MLPPP Emulator supports up to eight T1/E1 Full or Fractional Links; LCP with PPP, MLPPP, and multi-class negotiation options; control Protocol negotiation using IPCP; multi-class over MLPPP; MC/MLPPP payload traffic generation and reception using sequence numbers, HDL files (containing packets/frames), flat binary files, and user defined frame (ASCII HEX files) for each class independently.

Jagadish Vadalia, senior manager of Product Development, said in a statement, "ML-PPP has wide application for access lines to Internet Service Providers (ISPs) and enterprises that need "single pipes" greater than one T1 but less than 28 T1s. ML-PPP is similar to IMA (Inverse Multiplexing over ATM), in the sense that larger bandwidth is derived by aggregating smaller physical channels.”

"The Multi-Class Extension to Multi-Link PPP allows a sender to fragment the packets of various priorities into multiple classes of fragments, and allows high-priority packets to be sent between fragments of lower priorities,” Vadalia added.

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