Patent ID: 9641455
Date: 2017-05-02
CPC Classifications: H04L

Claim:
1. A method, comprising: maintaining a plurality of switches in a cascaded configuration, wherein the plurality of switches comprise an originating switch, an intermediate switch, and a destination switch; sending, by the originating switch a switch fabric internal link services (SW-ILS) that has resources denoted by a first exchange to the intermediate switch; forwarding, by the intermediate switch the SW-ILS request to the destination switch, where the SW-ILS request that is forwarded has resources denoted by a second exchange; subsequent to the forwarding, detecting an error by the originating switch; in response to the detecting of the error by the originating switch, sending an abort sequence (ABTS) with which the first exchange is associated, by the originating switch to the intermediate switch; receiving at the intermediate switch the ABTS sent by the originating switch; and in response to receiving at the intermediate switch the ABTS sent by the originating switch, performing by the intermediate switch: