An electrosurgical system, comprising: an energy source adapted to supply energy to tissue, the energy source including: a microprocessor configured to: execute a tissue treatment algorithm configured to control the supply of electrosurgical energy to tissue; process a configuration file including adjusting at least one parameter of the tissue treatment algorithm included in the configuration file, the at least one parameter being adjusted to effect a desired burst pressure selectable by a user such that the at least one parameter is automatically adjusted to achieve the selected desired burst wherein the burst pressure signifies the pressure necessary to burst tissue at the seal site, generate a target impedance trajectory based on at least one parameter of the tissue treatment algorithm, wherein the microprocessor is further configured to drive tissue impedance along the target impedance trajectory by adjusting the supply of energy to tissue to substantially match tissue impedance to a corresponding target impedance value; and an electrosurgical instrument including at least one active electrode adapted to apply electrosurgical energy to tissue. an energy source adapted to supply energy to tissue, the energy source including: a microprocessor configured to: execute a tissue treatment algorithm configured to control the supply of electrosurgical energy to tissue; process a configuration file including adjusting at least one parameter of the tissue treatment algorithm included in the configuration file, the at least one parameter being adjusted to effect a desired burst pressure selectable by a user such that the at least one parameter is automatically adjusted to achieve the selected desired burst wherein the burst pressure signifies the pressure necessary to burst tissue at the seal site, generate a target impedance trajectory based on at least one parameter of the tissue treatment algorithm, wherein the microprocessor is further configured to drive tissue impedance along the target impedance trajectory by adjusting the supply of energy to tissue to substantially match tissue impedance to a corresponding target impedance value; and an electrosurgical instrument including at least one active electrode adapted to apply electrosurgical energy to tissue. a microprocessor configured to: execute a tissue treatment algorithm configured to control the supply of electrosurgical energy to tissue; process a configuration file including adjusting at least one parameter of the tissue treatment algorithm included in the configuration file, the at least one parameter being adjusted to effect a desired burst pressure selectable by a user such that the at least one parameter is automatically adjusted to achieve the selected desired burst wherein the burst pressure signifies the pressure necessary to burst tissue at the seal site, generate a target impedance trajectory based on at least one parameter of the tissue treatment algorithm, wherein the microprocessor is further configured to drive tissue impedance along the target impedance trajectory by adjusting the supply of energy to tissue to substantially match tissue impedance to a corresponding target impedance value; and execute a tissue treatment algorithm configured to control the supply of electrosurgical energy to tissue; process a configuration file including adjusting at least one parameter of the tissue treatment algorithm included in the configuration file, the at least one parameter being adjusted to effect a desired burst pressure selectable by a user such that the at least one parameter is automatically adjusted to achieve the selected desired burst wherein the burst pressure signifies the pressure necessary to burst tissue at the seal site, generate a target impedance trajectory based on at least one parameter of the tissue treatment algorithm, wherein the microprocessor is further configured to drive tissue impedance along the target impedance trajectory by adjusting the supply of energy to tissue to substantially match tissue impedance to a corresponding target impedance value; and an electrosurgical instrument including at least one active electrode adapted to apply electrosurgical energy to tissue.